From 2fab1055580b4c5c00ef23db59b40a1b0b5a9acc Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Mon, 22 Apr 2013 14:43:27 +0200 Subject: erts: Add "bestfit within carrier" for aoff allocator (aoffcbf) --- erts/emulator/beam/erl_alloc.c | 5 ++ erts/emulator/beam/erl_alloc_util.c | 37 +-------- erts/emulator/beam/erl_alloc_util.h | 33 +++++++- erts/emulator/beam/erl_ao_firstfit_alloc.c | 92 +++++++++++++++++----- erts/emulator/beam/erl_ao_firstfit_alloc.h | 4 +- erts/emulator/beam/erl_bestfit_alloc.c | 2 +- .../test/alloc_SUITE_data/allocator_test.h | 4 +- erts/emulator/test/alloc_SUITE_data/coalesce.c | 2 +- erts/emulator/test/alloc_SUITE_data/rbtree.c | 68 ++++++++++++++-- 9 files changed, 181 insertions(+), 66 deletions(-) (limited to 'erts') diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c index 403776aade..cb69be33ad 100644 --- a/erts/emulator/beam/erl_alloc.c +++ b/erts/emulator/beam/erl_alloc.c @@ -1197,6 +1197,11 @@ handle_au_arg(struct au_init *auip, } else if (strcmp("aoff", alg) == 0) { auip->atype = AOFIRSTFIT; + auip->init.aoff.bf_within_carrier = 0; + } + else if (strcmp("aoffcbf", alg) == 0) { + auip->atype = AOFIRSTFIT; + auip->init.aoff.bf_within_carrier = 1; } else { bad_value(param, sub_param + 1, alg); diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index 53062979a6..c57ddc424e 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -76,16 +76,6 @@ static int initialized = 0; int erts_have_sbmbc_alloc; -#if HAVE_ERTS_MSEG - -#define MSEG_UNIT_SHIFT MSEG_ALIGN_BITS -#define MSEG_UNIT_SZ (1 << MSEG_UNIT_SHIFT) -#define MSEG_UNIT_MASK ((~(UWord)0) << MSEG_UNIT_SHIFT) - -#define MSEG_UNIT_FLOOR(X) ((X) & MSEG_UNIT_MASK) -#define MSEG_UNIT_CEILING(X) MSEG_UNIT_FLOOR((X) + ~MSEG_UNIT_MASK) - -#endif #define INV_SYS_ALLOC_CARRIER_MASK ((UWord) (sys_alloc_carrier_size - 1)) #define SYS_ALLOC_CARRIER_MASK (~INV_SYS_ALLOC_CARRIER_MASK) @@ -173,14 +163,6 @@ MBC after deallocating first block: #define SET_BLK_SZ_FTR(B, SZ) \ (((FreeBlkFtr_t *) (((char *) (B)) + (SZ)))[-1] = (SZ)) -#define THIS_FREE_BLK_HDR_FLG (((UWord) 1) << 0) -#define PREV_FREE_BLK_HDR_FLG (((UWord) 1) << 1) -#define LAST_BLK_HDR_FLG (((UWord) 1) << 2) - -/* Special flag combo for (allocated) SBC blocks -*/ -#define SBC_BLK_HDR_FLG (THIS_FREE_BLK_HDR_FLG | PREV_FREE_BLK_HDR_FLG | LAST_BLK_HDR_FLG) - #define SET_MBC_ABLK_SZ(B, SZ) \ (ASSERT(((SZ) & FLG_MASK) == 0), \ (B)->bhdr = (((B)->bhdr) & ~MBC_ABLK_SZ_MASK) | (SZ)) @@ -222,15 +204,6 @@ MBC after deallocating first block: ASSERT(((UWord)(F) & (~FLG_MASK|THIS_FREE_BLK_HDR_FLG|PREV_FREE_BLK_HDR_FLG)) == THIS_FREE_BLK_HDR_FLG), \ (B)->bhdr = ((Sz) | (F)), \ (B)->u.carrier = (C)) - -# define ABLK_TO_MBC(B) \ - (ASSERT(IS_MBC_BLK(B) && IS_ALLOCED_BLK(B)), \ - (Carrier_t*)((MSEG_UNIT_FLOOR((UWord)(B)) - \ - (((B)->bhdr >> MBC_ABLK_OFFSET_SHIFT) << MSEG_UNIT_SHIFT)))) - -# define FBLK_TO_MBC(B) \ - (ASSERT(IS_MBC_BLK(B) && IS_FREE_BLK(B)), \ - (B)->u.carrier) # define BLK_TO_MBC(B) (IS_FREE_BLK(B) ? FBLK_TO_MBC(B) : ABLK_TO_MBC(B)) @@ -273,8 +246,6 @@ MBC after deallocating first block: (B)->carrier = (C)) # define BLK_TO_MBC(B) ((B)->carrier) -# define ABLK_TO_MBC(B) BLK_TO_MBC(B) -# define FBLK_TO_MBC(B) BLK_TO_MBC(B) # define IS_MBC_FIRST_BLK(AP,B) \ ((char*)(B) == (char*)((B)->carrier) + MBC_HEADER_SIZE(AP)) @@ -300,8 +271,6 @@ MBC after deallocating first block: ((B)->bhdr & PREV_FREE_BLK_HDR_FLG) #define IS_PREV_BLK_ALLOCED(B) \ (!IS_PREV_BLK_FREE((B))) -#define IS_FREE_BLK(B) \ - (ASSERT(!IS_SBC_BLK(B)), (B)->bhdr & THIS_FREE_BLK_HDR_FLG) #define IS_ALLOCED_BLK(B) \ (!IS_FREE_BLK((B))) #define IS_LAST_BLK(B) \ @@ -318,11 +287,6 @@ MBC after deallocating first block: #define GET_BLK_HDR_FLGS(B) \ ((B)->bhdr & FLG_MASK) -#define IS_SBC_BLK(B) \ - (((B)->bhdr & FLG_MASK) == SBC_BLK_HDR_FLG) -#define IS_MBC_BLK(B) \ - (!IS_SBC_BLK((B))) - #define MBC_BLK_SZ(B) (IS_FREE_BLK(B) ? MBC_FBLK_SZ(B) : MBC_ABLK_SZ(B)) #define NXT_BLK(B) \ @@ -4440,6 +4404,7 @@ erts_alcu_test(UWord op, UWord a1, UWord a2) case 0x019: return (UWord) PREV_BLK((Block_t *) a1); case 0x01a: return (UWord) IS_MBC_FIRST_BLK((Allctr_t*)a1, (Block_t *) a2); case 0x01b: return (UWord) sizeof(Unit_t); + case 0x01c: return (unsigned long) BLK_TO_MBC((Block_t*) a1); default: ASSERT(0); return ~((UWord) 0); } } diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h index 4773598561..404ba66971 100644 --- a/erts/emulator/beam/erl_alloc_util.h +++ b/erts/emulator/beam/erl_alloc_util.h @@ -221,8 +221,15 @@ erts_aint32_t erts_alcu_fix_alloc_shrink(Allctr_t *, erts_aint32_t); #define MBC_FBLK_SZ_MASK UNIT_MASK #define CARRIER_SZ_MASK UNIT_MASK - #if HAVE_ERTS_MSEG + +# define MSEG_UNIT_SHIFT MSEG_ALIGN_BITS +# define MSEG_UNIT_SZ (1 << MSEG_UNIT_SHIFT) +# define MSEG_UNIT_MASK ((~(UWord)0) << MSEG_UNIT_SHIFT) + +# define MSEG_UNIT_FLOOR(X) ((X) & MSEG_UNIT_MASK) +# define MSEG_UNIT_CEILING(X) MSEG_UNIT_FLOOR((X) + ~MSEG_UNIT_MASK) + # ifdef ARCH_64 # define MBC_ABLK_OFFSET_BITS 24 # elif HAVE_SUPER_ALIGNED_MB_CARRIERS @@ -280,6 +287,30 @@ typedef struct { #endif } Block_t; +#define THIS_FREE_BLK_HDR_FLG (((UWord) 1) << 0) +#define PREV_FREE_BLK_HDR_FLG (((UWord) 1) << 1) +#define LAST_BLK_HDR_FLG (((UWord) 1) << 2) + +#define SBC_BLK_HDR_FLG /* Special flag combo for (allocated) SBC blocks */\ + (THIS_FREE_BLK_HDR_FLG | PREV_FREE_BLK_HDR_FLG | LAST_BLK_HDR_FLG) + +#define IS_SBC_BLK(B) (((B)->bhdr & FLG_MASK) == SBC_BLK_HDR_FLG) +#define IS_MBC_BLK(B) (!IS_SBC_BLK((B))) +#define IS_FREE_BLK(B) (ASSERT(IS_MBC_BLK(B)), \ + (B)->bhdr & THIS_FREE_BLK_HDR_FLG) + +#if MBC_ABLK_OFFSET_BITS +# define FBLK_TO_MBC(B) (ASSERT(IS_MBC_BLK(B) && IS_FREE_BLK(B)), \ + (B)->u.carrier) +# define ABLK_TO_MBC(B) \ + (ASSERT(IS_MBC_BLK(B) && !IS_FREE_BLK(B)), \ + (Carrier_t*)((MSEG_UNIT_FLOOR((UWord)(B)) - \ + (((B)->bhdr >> MBC_ABLK_OFFSET_SHIFT) << MSEG_UNIT_SHIFT)))) +#else +# define FBLK_TO_MBC(B) ((B)->carrier) +# define ABLK_TO_MBC(B) ((B)->carrier) +#endif + typedef UWord FreeBlkFtr_t; /* Footer of a free block */ typedef struct { diff --git a/erts/emulator/beam/erl_ao_firstfit_alloc.c b/erts/emulator/beam/erl_ao_firstfit_alloc.c index b916cb6198..e277006e58 100644 --- a/erts/emulator/beam/erl_ao_firstfit_alloc.c +++ b/erts/emulator/beam/erl_ao_firstfit_alloc.c @@ -28,11 +28,16 @@ * * This module is a callback-module for erl_alloc_util.c * - * Algorithm: The tree nodes are free-blocks ordered in address order. + * AOFF Algorithm: + * The tree nodes are free-blocks ordered in address order. * Every node also keeps the size of the largest block in its * sub-tree ('max_size'). By that we can start from root and keep * left (for low addresses) while dismissing entire sub-trees with * too small blocks. + * AOFFCBF: + * The only difference for "bestfit within carrier" is the tree + * sorting order. Blocks are first sorted wrt carrier address + * and then wrt size if they belong to the same carrier. * * Authors: Rickard Green/Sverker Eriksson */ @@ -94,7 +99,7 @@ struct AOFF_RBTree_t_ { #define AOFF_BLK_SZ(B) MBC_FBLK_SZ(&(B)->hdr) #ifdef HARD_DEBUG -static AOFF_RBTree_t * check_tree(AOFF_RBTree_t* root, Uint); +static AOFF_RBTree_t * check_tree(AOFFAllctr_t* alc, AOFF_RBTree_t* root, Uint); #endif @@ -132,6 +137,32 @@ static ERTS_INLINE void lower_max_size(AOFF_RBTree_t *node, else ASSERT(new_max == old_max); } +static ERTS_INLINE SWord cmp_blocks(AOFFAllctr_t* alc, + AOFF_RBTree_t* lhs, AOFF_RBTree_t* rhs) +{ + if (alc->bf_within_carrier + && FBLK_TO_MBC(&lhs->hdr) == FBLK_TO_MBC(&rhs->hdr)) { + SWord diff = (SWord)AOFF_BLK_SZ(lhs) - (SWord)AOFF_BLK_SZ(rhs); + if (diff) return diff; + } + return (char*)lhs - (char*)rhs; +} + +static ERTS_INLINE SWord cmp_cand_blk(AOFFAllctr_t* alc, + Block_t* cand_blk, AOFF_RBTree_t* rhs) +{ + if (alc->bf_within_carrier) { + if (IS_FREE_BLK(cand_blk)) + return cmp_blocks(alc, (AOFF_RBTree_t*)cand_blk, rhs); + + if (ABLK_TO_MBC(cand_blk) == FBLK_TO_MBC(&rhs->hdr)) { + SWord diff = (SWord)MBC_ABLK_SZ(cand_blk) - (SWord)MBC_FBLK_SZ(&rhs->hdr); + if (diff) return diff; + } + } + return (char*)cand_blk - (char*)rhs; +} + /* Prototypes of callback functions */ static Block_t* aoff_get_free_block(Allctr_t *, Uint, Block_t *, Uint, Uint32 flags); @@ -184,11 +215,13 @@ erts_aoffalc_start(AOFFAllctr_t *alc, sys_memcpy((void *) alc, (void *) &zero.allctr, sizeof(AOFFAllctr_t)); + alc->bf_within_carrier = aoffinit->bf_within_carrier; allctr->min_mbc_size = MIN_MBC_SZ; allctr->min_mbc_first_free_size = MIN_MBC_FIRST_FREE_SZ; allctr->min_block_size = sizeof(AOFF_RBTree_t); - allctr->vsn_str = ERTS_ALC_AOFF_ALLOC_VSN_STR; + allctr->vsn_str = aoffinit->bf_within_carrier ? + ERTS_ALC_AOFF_CBF_ALLOC_VSN_STR : ERTS_ALC_AOFF_ALLOC_VSN_STR; /* Callback functions */ @@ -416,7 +449,7 @@ aoff_unlink_free_block(Allctr_t *allctr, Block_t *del, Uint32 flags) null_x.parent = NULL; #ifdef HARD_DEBUG - check_tree(*root, 0); + check_tree(alc, *root, 0); #endif /* Remove node from tree... */ @@ -576,7 +609,7 @@ aoff_unlink_free_block(Allctr_t *allctr, Block_t *del, Uint32 flags) DESTROY_TREE_NODE(del); #ifdef HARD_DEBUG - check_tree(*root, 0); + check_tree(alc, *root, 0); #endif } @@ -590,7 +623,7 @@ aoff_link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) Uint blk_sz = AOFF_BLK_SZ(blk); #ifdef HARD_DEBUG - check_tree(*root, 0); + check_tree(alc, *root, 0); #endif blk->flags = 0; @@ -609,7 +642,7 @@ aoff_link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) if (x->max_sz < blk_sz) { x->max_sz = blk_sz; } - if (blk < x) { + if (cmp_blocks(alc, blk, x) < 0) { if (!x->left) { blk->parent = x; x->left = blk; @@ -637,7 +670,7 @@ aoff_link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) } #ifdef HARD_DEBUG - check_tree(*root, 0); + check_tree(alc, *root, 0); #endif } @@ -650,7 +683,7 @@ aoff_get_free_block(Allctr_t *allctr, Uint size, ? alc->sbmbc_root : alc->mbc_root); AOFF_RBTree_t *blk = NULL; #ifdef HARD_DEBUG - AOFF_RBTree_t* dbg_blk = check_tree(x, size); + AOFF_RBTree_t* dbg_blk = check_tree(alc, x, size); #endif ASSERT(!cand_blk || cand_size >= size); @@ -675,7 +708,7 @@ aoff_get_free_block(Allctr_t *allctr, Uint size, if (!blk) return NULL; - if (cand_blk && cand_blk < &blk->hdr) { + if (cand_blk && cmp_cand_blk(alc, cand_blk, blk) < 0) { return NULL; /* cand_blk was better */ } @@ -692,6 +725,7 @@ aoff_get_free_block(Allctr_t *allctr, Uint size, static struct { Eterm as; Eterm aoff; + Eterm aoffcbf; #ifdef DEBUG Eterm end_of_atoms; #endif @@ -720,6 +754,7 @@ init_atoms(void) #endif AM_INIT(as); AM_INIT(aoff); + AM_INIT(aoffcbf); #ifdef DEBUG for (atom = (Eterm *) &am; atom < &am.end_of_atoms; atom++) { @@ -749,6 +784,7 @@ info_options(Allctr_t *allctr, Uint **hpp, Uint *szp) { + AOFFAllctr_t* alc = (AOFFAllctr_t*) allctr; Eterm res = THE_NON_VALUE; if (print_to_p) { @@ -756,7 +792,7 @@ info_options(Allctr_t *allctr, print_to_arg, "%sas: %s\n", prefix, - "aoff"); + alc->bf_within_carrier ? "aoffcbf" : "aoff"); } if (hpp || szp) { @@ -766,7 +802,8 @@ info_options(Allctr_t *allctr, __FILE__, __LINE__);; res = NIL; - add_2tup(hpp, szp, &res, am.as, am.aoff); + add_2tup(hpp, szp, &res, am.as, + alc->bf_within_carrier ? am.aoffcbf : am.aoff); } return res; @@ -784,14 +821,14 @@ UWord erts_aoffalc_test(UWord op, UWord a1, UWord a2) { switch (op) { - case 0x500: return (UWord) 0; /* IS_AOBF */ case 0x501: return (UWord) ((AOFFAllctr_t *) a1)->mbc_root; case 0x502: return (UWord) ((AOFF_RBTree_t *) a1)->parent; case 0x503: return (UWord) ((AOFF_RBTree_t *) a1)->left; case 0x504: return (UWord) ((AOFF_RBTree_t *) a1)->right; case 0x506: return (UWord) IS_BLACK((AOFF_RBTree_t *) a1); - case 0x508: return (UWord) 1; /* IS_AOFF */ + case 0x508: return (UWord) 0; /* IS_BF_ALGO */ case 0x509: return (UWord) ((AOFF_RBTree_t *) a1)->max_sz; + case 0x50a: return (UWord) ((AOFFAllctr_t *) a1)->bf_within_carrier; default: ASSERT(0); return ~((UWord) 0); } } @@ -840,12 +877,14 @@ static void print_tree(AOFF_RBTree_t*); */ static AOFF_RBTree_t * -check_tree(AOFF_RBTree_t* root, Uint size) +check_tree(AOFFAllctr_t* alc, AOFF_RBTree_t* root, Uint size) { AOFF_RBTree_t *res = NULL; Sint blacks; Sint curr_blacks; AOFF_RBTree_t *x; + Carrier_t* crr; + Uint depth, max_depth, node_cnt; #ifdef PRINT_TREE print_tree(root); @@ -859,12 +898,16 @@ check_tree(AOFF_RBTree_t* root, Uint size) ASSERT(!x->parent); curr_blacks = 1; blacks = -1; + depth = 1; + max_depth = 0; + node_cnt = 0; while (x) { if (!IS_LEFT_VISITED(x)) { SET_LEFT_VISITED(x); if (x->left) { x = x->left; + ++depth; if (IS_BLACK(x)) curr_blacks++; continue; @@ -880,6 +923,7 @@ check_tree(AOFF_RBTree_t* root, Uint size) SET_RIGHT_VISITED(x); if (x->right) { x = x->right; + ++depth; if (IS_BLACK(x)) curr_blacks++; continue; @@ -891,6 +935,13 @@ check_tree(AOFF_RBTree_t* root, Uint size) } } + ++node_cnt; + if (depth > max_depth) + max_depth = depth; + + crr = FBLK_TO_MBC(&x->hdr); + ASSERT((char*)x > (char*)crr); + ASSERT(((char*)x + AOFF_BLK_SZ(x)) <= ((char*)crr + CARRIER_SZ(crr))); if (IS_RED(x)) { ASSERT(IS_BLACK(x->right)); @@ -901,13 +952,13 @@ check_tree(AOFF_RBTree_t* root, Uint size) if (x->left) { ASSERT(x->left->parent == x); - ASSERT(x->left < x); + ASSERT(cmp_blocks(alc, x->left, x) < 0); ASSERT(x->left->max_sz <= x->max_sz); } if (x->right) { ASSERT(x->right->parent == x); - ASSERT(x->right > x); + ASSERT(cmp_blocks(alc, x->right, x) > 0); ASSERT(x->right->max_sz <= x->max_sz); } ASSERT(x->max_sz >= AOFF_BLK_SZ(x)); @@ -916,7 +967,7 @@ check_tree(AOFF_RBTree_t* root, Uint size) || x->max_sz == (x->right ? x->right->max_sz : 0)); if (size && AOFF_BLK_SZ(x) >= size) { - if (!res || x < res) { + if (!res || cmp_blocks(alc, x, res) < 0) { res = x; } } @@ -926,10 +977,11 @@ check_tree(AOFF_RBTree_t* root, Uint size) if (IS_BLACK(x)) curr_blacks--; x = x->parent; - + --depth; } - + ASSERT(depth == 0 || (!root && depth==1)); ASSERT(curr_blacks == 0); + ASSERT((1 << (max_depth/2)) <= node_cnt); UNSET_LEFT_VISITED(root); UNSET_RIGHT_VISITED(root); diff --git a/erts/emulator/beam/erl_ao_firstfit_alloc.h b/erts/emulator/beam/erl_ao_firstfit_alloc.h index 21c36c6654..36995a20f0 100644 --- a/erts/emulator/beam/erl_ao_firstfit_alloc.h +++ b/erts/emulator/beam/erl_ao_firstfit_alloc.h @@ -24,11 +24,12 @@ #include "erl_alloc_util.h" #define ERTS_ALC_AOFF_ALLOC_VSN_STR "0.9" +#define ERTS_ALC_AOFF_CBF_ALLOC_VSN_STR "0.9" typedef struct AOFFAllctr_t_ AOFFAllctr_t; typedef struct { - int dummy; + int bf_within_carrier; } AOFFAllctrInit_t; #define ERTS_DEFAULT_AOFF_ALLCTR_INIT {0/*dummy*/} @@ -52,6 +53,7 @@ struct AOFFAllctr_t_ { struct AOFF_RBTree_t_* mbc_root; struct AOFF_RBTree_t_* sbmbc_root; + int bf_within_carrier; }; UWord erts_aoffalc_test(UWord, UWord, UWord); diff --git a/erts/emulator/beam/erl_bestfit_alloc.c b/erts/emulator/beam/erl_bestfit_alloc.c index ed843a51fb..e3fc8f4cb1 100644 --- a/erts/emulator/beam/erl_bestfit_alloc.c +++ b/erts/emulator/beam/erl_bestfit_alloc.c @@ -984,7 +984,7 @@ erts_bfalc_test(UWord op, UWord a1, UWord a2) case 0x205: return (UWord) ((RBTreeList_t *) a1)->next; case 0x206: return (UWord) IS_BLACK((RBTree_t *) a1); case 0x207: return (UWord) IS_TREE_NODE((RBTree_t *) a1); - case 0x208: return (UWord) 0; /* IS_AOFF */ + case 0x208: return (UWord) 1; /* IS_BF_ALGO */ default: ASSERT(0); return ~((UWord) 0); } } diff --git a/erts/emulator/test/alloc_SUITE_data/allocator_test.h b/erts/emulator/test/alloc_SUITE_data/allocator_test.h index c0396ddb61..ec5bb9dcd6 100644 --- a/erts/emulator/test/alloc_SUITE_data/allocator_test.h +++ b/erts/emulator/test/alloc_SUITE_data/allocator_test.h @@ -75,6 +75,7 @@ typedef void* erts_cond; #define PREV_BLK(B) ((Block_t *) ALC_TEST1(0x019, (B))) #define IS_MBC_FIRST_BLK(A,B) ((Ulong) ALC_TEST2(0x01a, (A), (B))) #define UNIT_SZ ((Ulong) ALC_TEST0(0x01b)) +#define BLK_TO_MBC(B) ((Carrier_t *) ALC_TEST1(0x01c, (B))) /* From erl_goodfit_alloc.c */ #define BKT_IX(A, S) ((Ulong) ALC_TEST2(0x100, (A), (S))) @@ -91,8 +92,9 @@ typedef void* erts_cond; #define RBT_NEXT(T) ((RBTL_t *) ALC_TEST1(RBT_OP(5), (T))) #define RBT_IS_BLACK(T) ((Ulong) ALC_TEST1(RBT_OP(6), (T))) #define RBT_IS_TREE(T) ((Ulong) ALC_TEST1(RBT_OP(7), (T))) -#define IS_AOFF(A) ((Ulong) ALC_TEST1(RBT_OP(8), (A))) +#define IS_BF_ALGO(A) ((Ulong) ALC_TEST1(RBT_OP(8), (A))) #define RBT_MAX_SZ(T) ((Ulong) ALC_TEST1(RBT_OP(9), (T))) +#define IS_CBF(A) ((Ulong) ALC_TEST1(RBT_OP(0xa), (A))) /* From erl_mseg.c */ #define HAVE_MSEG() ((int) ALC_TEST0(0x400)) diff --git a/erts/emulator/test/alloc_SUITE_data/coalesce.c b/erts/emulator/test/alloc_SUITE_data/coalesce.c index 981fa6d43e..1fb4d7791d 100644 --- a/erts/emulator/test/alloc_SUITE_data/coalesce.c +++ b/erts/emulator/test/alloc_SUITE_data/coalesce.c @@ -267,7 +267,7 @@ void testcase_run(TestCaseState_t *tcs) { char *argv_org[] = {"-tsmbcs511","-tmmbcs511", "-tsbct512", "-trmbcmt100", "-tas", NULL, NULL}; - char *alg[] = {"af", "gf", "bf", "aobf", "aoff", NULL}; + char *alg[] = {"af", "gf", "bf", "aobf", "aoff", "aoffcbf", NULL}; int i; for (i = 0; alg[i]; i++) { diff --git a/erts/emulator/test/alloc_SUITE_data/rbtree.c b/erts/emulator/test/alloc_SUITE_data/rbtree.c index 4e7f821baf..105c9c0eb4 100644 --- a/erts/emulator/test/alloc_SUITE_data/rbtree.c +++ b/erts/emulator/test/alloc_SUITE_data/rbtree.c @@ -85,7 +85,7 @@ print_tree(TestCaseState_t *tcs, RBT_t *root) static RBT_t * check_tree(TestCaseState_t *tcs, Allctr_t *alc, Ulong size) { - enum { BF, AOBF, AOFF }type; + enum { BF, AOBF, AOFF, AOFFCBF }type; int i, max_i; char stk[128]; RBT_t *root, *x, *y, *res; @@ -94,9 +94,14 @@ check_tree(TestCaseState_t *tcs, Allctr_t *alc, Ulong size) res = NULL; - if (IS_AOBF(alc)) type = AOBF; - else if (IS_AOFF(alc)) type = AOFF; - else type = BF; + if (IS_BF_ALGO(alc)) { + if (IS_AOBF(alc)) type = AOBF; + else type = BF; + } + else { /* AOFF_ALGO */ + if (IS_CBF(alc)) type = AOFFCBF; + else type = AOFF; + } root = RBT_ROOT(alc); @@ -188,6 +193,15 @@ check_tree(TestCaseState_t *tcs, Allctr_t *alc, Ulong size) ASSERT(tcs, y < x); ASSERT(tcs, RBT_MAX_SZ(y) <= RBT_MAX_SZ(x)); break; + case AOFFCBF: + { + void* x_crr = BLK_TO_MBC(x); + void* y_crr = BLK_TO_MBC(y); + ASSERT(tcs, (y < x && (x_crr != y_crr || x_sz == y_sz)) + || (y_sz < x_sz && x_crr == y_crr)); + ASSERT(tcs, RBT_MAX_SZ(y) <= RBT_MAX_SZ(x)); + break; + } } } @@ -207,6 +221,15 @@ check_tree(TestCaseState_t *tcs, Allctr_t *alc, Ulong size) ASSERT(tcs, y > x); ASSERT(tcs, RBT_MAX_SZ(y) <= RBT_MAX_SZ(x)); break; + case AOFFCBF: + { + void* x_crr = BLK_TO_MBC(x); + void* y_crr = BLK_TO_MBC(y); + ASSERT(tcs, (y > x && (x_crr != y_crr || x_sz == y_sz)) + || (y_sz > x_sz && x_crr == y_crr)); + ASSERT(tcs, RBT_MAX_SZ(y) <= RBT_MAX_SZ(x)); + break; + } } } @@ -239,7 +262,18 @@ check_tree(TestCaseState_t *tcs, Allctr_t *alc, Ulong size) res = x; } break; + case AOFFCBF: + if (BLK_TO_MBC(x) != BLK_TO_MBC(res) || x_sz == y_sz) { + if (x < res) { + res = x; + } + } + else if (x_sz < y_sz) { + res = x; + } + break; } + } } @@ -273,7 +307,7 @@ do_check(TestCaseState_t *tcs, Allctr_t *a, Ulong size) tmp = ALLOC(a, sz - ABLK_HDR_SZ); ASSERT(tcs, tmp); y = UMEM2BLK(tmp); - if (IS_AOBF(a)) { + if (!(IS_BF_ALGO(a) && !IS_AOBF(a))) { ASSERT(tcs, x == y); } else { @@ -369,6 +403,7 @@ testcase_run(TestCaseState_t *tcs) char *argv1[] = {"-tasbf", NULL}; char *argv2[] = {"-tasaobf", NULL}; char *argv3[] = {"-tasaoff", NULL}; + char *argv4[] = {"-tasaoffcbf", NULL}; Allctr_t *a; rbtree_test_data *td; @@ -390,6 +425,7 @@ testcase_run(TestCaseState_t *tcs) td->allocator = a = START_ALC("rbtree_bf_", 0, argv1); ASSERT(tcs, a); + ASSERT(tcs, IS_BF_ALGO(a)); ASSERT(tcs, !IS_AOBF(a)); test_it(tcs); @@ -407,6 +443,7 @@ testcase_run(TestCaseState_t *tcs) td->allocator = a = START_ALC("rbtree_aobf_", 0, argv2); ASSERT(tcs, a); + ASSERT(tcs, IS_BF_ALGO(a)); ASSERT(tcs, IS_AOBF(a)); test_it(tcs); @@ -424,6 +461,8 @@ testcase_run(TestCaseState_t *tcs) td->allocator = a = START_ALC("rbtree_aoff_", 0, argv3); ASSERT(tcs, a); + ASSERT(tcs, !IS_BF_ALGO(a)); + ASSERT(tcs, !IS_CBF(a)); test_it(tcs); @@ -431,4 +470,23 @@ testcase_run(TestCaseState_t *tcs) td->allocator = NULL; testcase_printf(tcs, "Address order first fit test succeeded!\n"); + + /* Address order first fit, best fit within carrier */ + + testcase_printf(tcs, "Starting test of aoffcbf...\n"); + + current_rbt_type_op_base = AO_FIRSTFIT_OP_BASE; + td->allocator = a = START_ALC("rbtree_aoffcbf_", 0, argv4); + + ASSERT(tcs, a); + ASSERT(tcs, !IS_BF_ALGO(a)); + ASSERT(tcs, IS_CBF(a)); + + test_it(tcs); + + STOP_ALC(a); + td->allocator = NULL; + + testcase_printf(tcs, "aoffcbf test succeeded!\n"); + } -- cgit v1.2.3 From a14c1590740bb7233400178fa069d71e280f5c8b Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Mon, 22 Apr 2013 15:10:58 +0200 Subject: erts: Make carrier header sizes customizable This is a modified partial revert of 2ab1d972f6fd37c17b05 --- erts/emulator/beam/erl_afit_alloc.c | 1 + erts/emulator/beam/erl_alloc_util.c | 7 ++++++- erts/emulator/beam/erl_alloc_util.h | 1 + erts/emulator/beam/erl_ao_firstfit_alloc.c | 1 + erts/emulator/beam/erl_bestfit_alloc.c | 1 + erts/emulator/beam/erl_goodfit_alloc.c | 1 + 6 files changed, 11 insertions(+), 1 deletion(-) (limited to 'erts') diff --git a/erts/emulator/beam/erl_afit_alloc.c b/erts/emulator/beam/erl_afit_alloc.c index b45201af42..d03d6a591c 100644 --- a/erts/emulator/beam/erl_afit_alloc.c +++ b/erts/emulator/beam/erl_afit_alloc.c @@ -86,6 +86,7 @@ erts_afalc_start(AFAllctr_t *afallctr, init->sbmbct = 0; /* Small mbc not supported by afit */ + allctr->mbc_header_size = sizeof(Carrier_t); allctr->min_mbc_size = MIN_MBC_SZ; allctr->min_mbc_first_free_size = MIN_MBC_FIRST_FREE_SZ; allctr->min_block_size = sizeof(AFFreeBlock_t); diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index c57ddc424e..bf7d561b00 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -304,7 +304,7 @@ MBC after deallocating first block: #define SBC_HEADER_SIZE (UNIT_CEILING(sizeof(Carrier_t) + ABLK_HDR_SZ) \ - ABLK_HDR_SZ) -#define MBC_HEADER_SIZE(AP) SBC_HEADER_SIZE +#define MBC_HEADER_SIZE(AP) ((AP)->mbc_header_size) #define MSEG_CARRIER_HDR_FLAG (((UWord) 1) << 0) @@ -4256,6 +4256,8 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init) if (!allctr->get_next_mbc_size) allctr->get_next_mbc_size = get_next_mbc_size; + if (allctr->mbc_header_size < sizeof(Carrier_t)) + goto error; #ifdef ERTS_SMP allctr->dd.use = 0; if (init->tpref) { @@ -4264,6 +4266,9 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init) allctr->dd.ix = init->ix; } #endif + allctr->mbc_header_size = (UNIT_CEILING(allctr->mbc_header_size + + ABLK_HDR_SZ) + - ABLK_HDR_SZ); if (allctr->main_carrier_size) { Block_t *blk; diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h index 404ba66971..af8f72ed7d 100644 --- a/erts/emulator/beam/erl_alloc_util.h +++ b/erts/emulator/beam/erl_alloc_util.h @@ -448,6 +448,7 @@ struct Allctr_t_ { #endif /* */ + Uint mbc_header_size; Uint min_mbc_size; Uint min_mbc_first_free_size; Uint min_block_size; diff --git a/erts/emulator/beam/erl_ao_firstfit_alloc.c b/erts/emulator/beam/erl_ao_firstfit_alloc.c index e277006e58..1570daf90e 100644 --- a/erts/emulator/beam/erl_ao_firstfit_alloc.c +++ b/erts/emulator/beam/erl_ao_firstfit_alloc.c @@ -216,6 +216,7 @@ erts_aoffalc_start(AOFFAllctr_t *alc, sys_memcpy((void *) alc, (void *) &zero.allctr, sizeof(AOFFAllctr_t)); alc->bf_within_carrier = aoffinit->bf_within_carrier; + allctr->mbc_header_size = sizeof(Carrier_t); allctr->min_mbc_size = MIN_MBC_SZ; allctr->min_mbc_first_free_size = MIN_MBC_FIRST_FREE_SZ; allctr->min_block_size = sizeof(AOFF_RBTree_t); diff --git a/erts/emulator/beam/erl_bestfit_alloc.c b/erts/emulator/beam/erl_bestfit_alloc.c index e3fc8f4cb1..42c7c9bbe2 100644 --- a/erts/emulator/beam/erl_bestfit_alloc.c +++ b/erts/emulator/beam/erl_bestfit_alloc.c @@ -179,6 +179,7 @@ erts_bfalc_start(BFAllctr_t *bfallctr, bfallctr->address_order = bfinit->ao; + allctr->mbc_header_size = sizeof(Carrier_t); allctr->min_mbc_size = MIN_MBC_SZ; allctr->min_mbc_first_free_size = MIN_MBC_FIRST_FREE_SZ; allctr->min_block_size = (bfinit->ao diff --git a/erts/emulator/beam/erl_goodfit_alloc.c b/erts/emulator/beam/erl_goodfit_alloc.c index 79d8b40f8c..fce443c101 100644 --- a/erts/emulator/beam/erl_goodfit_alloc.c +++ b/erts/emulator/beam/erl_goodfit_alloc.c @@ -205,6 +205,7 @@ erts_gfalc_start(GFAllctr_t *gfallctr, init->sbmbct = 0; /* Small mbc not yet supported by goodfit */ + allctr->mbc_header_size = sizeof(Carrier_t); allctr->min_mbc_size = MIN_MBC_SZ; allctr->min_mbc_first_free_size = MIN_MBC_FIRST_FREE_SZ; allctr->min_block_size = sizeof(GFFreeBlock_t); -- cgit v1.2.3 From c6a4999a5e6692f35cf384b854595db6302039b9 Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Mon, 29 Apr 2013 19:56:35 +0200 Subject: erts: Prepare aoff allocator for carrier migration by putting blocks from different carrier into separate search trees. Carriers are currently organized in a naive linked list by address order. --- erts/emulator/beam/erl_alloc_util.c | 6 - erts/emulator/beam/erl_alloc_util.h | 3 + erts/emulator/beam/erl_ao_firstfit_alloc.c | 148 ++++++++++++++++++--- erts/emulator/beam/erl_ao_firstfit_alloc.h | 4 +- .../test/alloc_SUITE_data/allocator_test.h | 2 +- erts/emulator/test/alloc_SUITE_data/rbtree.c | 8 +- 6 files changed, 137 insertions(+), 34 deletions(-) (limited to 'erts') diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index bf7d561b00..ce66727fae 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -205,8 +205,6 @@ MBC after deallocating first block: (B)->bhdr = ((Sz) | (F)), \ (B)->u.carrier = (C)) -# define BLK_TO_MBC(B) (IS_FREE_BLK(B) ? FBLK_TO_MBC(B) : ABLK_TO_MBC(B)) - # define IS_MBC_FIRST_ABLK(AP,B) \ ((((UWord)(B) & ~MSEG_UNIT_MASK) == MBC_HEADER_SIZE(AP)) \ && ((B)->bhdr & MBC_ABLK_OFFSET_MASK) == 0) @@ -245,8 +243,6 @@ MBC after deallocating first block: (B)->bhdr = ((Sz) | (F)), \ (B)->carrier = (C)) -# define BLK_TO_MBC(B) ((B)->carrier) - # define IS_MBC_FIRST_BLK(AP,B) \ ((char*)(B) == (char*)((B)->carrier) + MBC_HEADER_SIZE(AP)) # define IS_MBC_FIRST_ABLK(AP,B) IS_MBC_FIRST_BLK(AP,B) @@ -287,8 +283,6 @@ MBC after deallocating first block: #define GET_BLK_HDR_FLGS(B) \ ((B)->bhdr & FLG_MASK) -#define MBC_BLK_SZ(B) (IS_FREE_BLK(B) ? MBC_FBLK_SZ(B) : MBC_ABLK_SZ(B)) - #define NXT_BLK(B) \ (ASSERT(IS_MBC_BLK(B)), \ (Block_t *) (((char *) (B)) + MBC_BLK_SZ((B)))) diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h index af8f72ed7d..1183bf901d 100644 --- a/erts/emulator/beam/erl_alloc_util.h +++ b/erts/emulator/beam/erl_alloc_util.h @@ -306,10 +306,13 @@ typedef struct { (ASSERT(IS_MBC_BLK(B) && !IS_FREE_BLK(B)), \ (Carrier_t*)((MSEG_UNIT_FLOOR((UWord)(B)) - \ (((B)->bhdr >> MBC_ABLK_OFFSET_SHIFT) << MSEG_UNIT_SHIFT)))) +# define BLK_TO_MBC(B) (IS_FREE_BLK(B) ? FBLK_TO_MBC(B) : ABLK_TO_MBC(B)) #else # define FBLK_TO_MBC(B) ((B)->carrier) # define ABLK_TO_MBC(B) ((B)->carrier) +# define BLK_TO_MBC(B) ((B)->carrier) #endif +#define MBC_BLK_SZ(B) (IS_FREE_BLK(B) ? MBC_FBLK_SZ(B) : MBC_ABLK_SZ(B)) typedef UWord FreeBlkFtr_t; /* Footer of a free block */ diff --git a/erts/emulator/beam/erl_ao_firstfit_alloc.c b/erts/emulator/beam/erl_ao_firstfit_alloc.c index 1570daf90e..50cbfc5033 100644 --- a/erts/emulator/beam/erl_ao_firstfit_alloc.c +++ b/erts/emulator/beam/erl_ao_firstfit_alloc.c @@ -98,7 +98,17 @@ struct AOFF_RBTree_t_ { }; #define AOFF_BLK_SZ(B) MBC_FBLK_SZ(&(B)->hdr) +typedef struct AOFF_Carrier_t_ AOFF_Carrier_t; + +struct AOFF_Carrier_t_ { + Carrier_t crr; + AOFF_Carrier_t* next; + AOFF_Carrier_t** prevp; + AOFF_RBTree_t* root; +}; + #ifdef HARD_DEBUG +static void check_carriers(AOFFAllctr_t* alc, AOFF_Carrier_t *crr, Uint32 flags); static AOFF_RBTree_t * check_tree(AOFFAllctr_t* alc, AOFF_RBTree_t* root, Uint); #endif @@ -140,8 +150,8 @@ static ERTS_INLINE void lower_max_size(AOFF_RBTree_t *node, static ERTS_INLINE SWord cmp_blocks(AOFFAllctr_t* alc, AOFF_RBTree_t* lhs, AOFF_RBTree_t* rhs) { - if (alc->bf_within_carrier - && FBLK_TO_MBC(&lhs->hdr) == FBLK_TO_MBC(&rhs->hdr)) { + ASSERT(FBLK_TO_MBC(&lhs->hdr) == FBLK_TO_MBC(&rhs->hdr)); + if (alc->bf_within_carrier) { SWord diff = (SWord)AOFF_BLK_SZ(lhs) - (SWord)AOFF_BLK_SZ(rhs); if (diff) return diff; } @@ -152,11 +162,8 @@ static ERTS_INLINE SWord cmp_cand_blk(AOFFAllctr_t* alc, Block_t* cand_blk, AOFF_RBTree_t* rhs) { if (alc->bf_within_carrier) { - if (IS_FREE_BLK(cand_blk)) - return cmp_blocks(alc, (AOFF_RBTree_t*)cand_blk, rhs); - - if (ABLK_TO_MBC(cand_blk) == FBLK_TO_MBC(&rhs->hdr)) { - SWord diff = (SWord)MBC_ABLK_SZ(cand_blk) - (SWord)MBC_FBLK_SZ(&rhs->hdr); + if (BLK_TO_MBC(cand_blk) == FBLK_TO_MBC(&rhs->hdr)) { + SWord diff = (SWord)MBC_BLK_SZ(cand_blk) - (SWord)MBC_FBLK_SZ(&rhs->hdr); if (diff) return diff; } } @@ -168,6 +175,8 @@ static ERTS_INLINE SWord cmp_cand_blk(AOFFAllctr_t* alc, static Block_t* aoff_get_free_block(Allctr_t *, Uint, Block_t *, Uint, Uint32 flags); static void aoff_link_free_block(Allctr_t *, Block_t*, Uint32 flags); static void aoff_unlink_free_block(Allctr_t *allctr, Block_t *del, Uint32 flags); +static void aoff_creating_mbc(Allctr_t*, Carrier_t*, Uint32 flags); +static void aoff_destroying_mbc(Allctr_t*, Carrier_t*, Uint32 flags); static Eterm info_options(Allctr_t *, char *, int *, void *, Uint **, Uint *); static void init_atoms(void); @@ -216,7 +225,7 @@ erts_aoffalc_start(AOFFAllctr_t *alc, sys_memcpy((void *) alc, (void *) &zero.allctr, sizeof(AOFFAllctr_t)); alc->bf_within_carrier = aoffinit->bf_within_carrier; - allctr->mbc_header_size = sizeof(Carrier_t); + allctr->mbc_header_size = sizeof(AOFF_Carrier_t); allctr->min_mbc_size = MIN_MBC_SZ; allctr->min_mbc_first_free_size = MIN_MBC_FIRST_FREE_SZ; allctr->min_block_size = sizeof(AOFF_RBTree_t); @@ -233,8 +242,8 @@ erts_aoffalc_start(AOFFAllctr_t *alc, allctr->info_options = info_options; allctr->get_next_mbc_size = NULL; - allctr->creating_mbc = NULL; - allctr->destroying_mbc = NULL; + allctr->creating_mbc = aoff_creating_mbc; + allctr->destroying_mbc = aoff_destroying_mbc; allctr->init_atoms = init_atoms; #ifdef ERTS_ALLOC_UTIL_HARD_DEBUG @@ -439,9 +448,11 @@ tree_insert_fixup(AOFF_RBTree_t** root, AOFF_RBTree_t *blk) static void aoff_unlink_free_block(Allctr_t *allctr, Block_t *del, Uint32 flags) { +#ifdef HARD_DEBUG AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; - AOFF_RBTree_t **root = ((flags & ERTS_ALCU_FLG_SBMBC) - ? &alc->sbmbc_root : &alc->mbc_root); +#endif + AOFF_Carrier_t *crr = (AOFF_Carrier_t*) FBLK_TO_MBC(del); + AOFF_RBTree_t **root = &crr->root; Uint spliced_is_black; AOFF_RBTree_t *x, *y, *z = (AOFF_RBTree_t *) del; AOFF_RBTree_t null_x; /* null_x is used to get the fixup started when we @@ -450,6 +461,7 @@ aoff_unlink_free_block(Allctr_t *allctr, Block_t *del, Uint32 flags) null_x.parent = NULL; #ifdef HARD_DEBUG + check_carriers(alc, crr, flags); check_tree(alc, *root, 0); #endif @@ -619,14 +631,16 @@ aoff_link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) { AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; AOFF_RBTree_t *blk = (AOFF_RBTree_t *) block; - AOFF_RBTree_t **root = ((flags & ERTS_ALCU_FLG_SBMBC) - ? &alc->sbmbc_root : &alc->mbc_root); + AOFF_RBTree_t **root; + AOFF_Carrier_t *blk_crr = (AOFF_Carrier_t*) FBLK_TO_MBC(block); Uint blk_sz = AOFF_BLK_SZ(blk); #ifdef HARD_DEBUG - check_tree(alc, *root, 0); + check_carriers(alc, blk_crr, flags); + check_tree(alc, blk_crr->root, 0); #endif + root = &blk_crr->root; blk->flags = 0; blk->left = NULL; blk->right = NULL; @@ -659,7 +673,6 @@ aoff_link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) } x = x->right; } - } /* Insert block into size tree */ @@ -680,15 +693,32 @@ aoff_get_free_block(Allctr_t *allctr, Uint size, Block_t *cand_blk, Uint cand_size, Uint32 flags) { AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; - AOFF_RBTree_t *x = ((flags & ERTS_ALCU_FLG_SBMBC) - ? alc->sbmbc_root : alc->mbc_root); - AOFF_RBTree_t *blk = NULL; + AOFF_Carrier_t *crr = ((flags & ERTS_ALCU_FLG_SBMBC) + ? alc->sbmbc_first : alc->mbc_first); + AOFF_RBTree_t *x, *blk = NULL; #ifdef HARD_DEBUG - AOFF_RBTree_t* dbg_blk = check_tree(alc, x, size); + AOFF_RBTree_t* dbg_blk; #endif ASSERT(!cand_blk || cand_size >= size); + /* Get first-fit carrier + */ + for (;;) { + if (!crr) + return NULL; + if (crr->root && crr->root->max_sz >= size) + break; + crr = crr->next; + } + + /* Get block within carrier tree + */ + x = crr->root; +#ifdef HARD_DEBUG + dbg_blk = check_tree(alc, x, size); +#endif + while (x) { if (x->left && x->left->max_sz >= size) { x = x->left; @@ -718,6 +748,54 @@ aoff_get_free_block(Allctr_t *allctr, Uint size, return (Block_t *) blk; } +static void aoff_creating_mbc(Allctr_t *allctr, Carrier_t *carrier, Uint32 flags) +{ + AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; + AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier; + AOFF_Carrier_t **prevp = ((flags & ERTS_ALCU_FLG_SBMBC) + ? &alc->sbmbc_first : &alc->mbc_first); + AOFF_Carrier_t *p; + + + /* Link carrier in address order + */ + for (p = *prevp; p && crr > p; p = p->next) { + prevp = &p->next; + } + ASSERT(crr != p); + + crr->next = p; + crr->prevp = prevp; + *prevp = crr; + if (p) { + ASSERT(prevp == p->prevp); + p->prevp = &crr->next; + } + + /* aoff_link_free_block will add free block later */ + crr->root = NULL; +} + +static void aoff_destroying_mbc(Allctr_t *allctr, Carrier_t *carrier, Uint32 flags) +{ + AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; + AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier; + AOFF_Carrier_t **pp = ((flags & ERTS_ALCU_FLG_SBMBC) + ? &alc->sbmbc_first : &alc->mbc_first); + + /* Unlink carrier + */ + while (*pp != crr) { + ASSERT(*pp && (*pp)->prevp == pp); + pp = &(*pp)->next; + } + *pp = crr->next; + if (crr->next) { + ASSERT(crr->next->prevp == &crr->next); + crr->next->prevp = crr->prevp; + } +} + /* * info_options() @@ -822,7 +900,18 @@ UWord erts_aoffalc_test(UWord op, UWord a1, UWord a2) { switch (op) { - case 0x501: return (UWord) ((AOFFAllctr_t *) a1)->mbc_root; + case 0x501: { + AOFF_Carrier_t* crr = ((AOFFAllctr_t *) a1)->mbc_first; + Uint size = (Uint) a2; + for (;;) { + if (!crr) + return (UWord)NULL; + if (crr->root && crr->root->max_sz >= size) + break; + crr = crr->next; + } + return (UWord) crr->root; + } case 0x502: return (UWord) ((AOFF_RBTree_t *) a1)->parent; case 0x503: return (UWord) ((AOFF_RBTree_t *) a1)->left; case 0x504: return (UWord) ((AOFF_RBTree_t *) a1)->right; @@ -842,6 +931,23 @@ erts_aoffalc_test(UWord op, UWord a1, UWord a2) #ifdef HARD_DEBUG +static void check_carriers(AOFFAllctr_t* alc, AOFF_Carrier_t *crr, Uint32 flags) +{ + AOFF_Carrier_t *p = ((flags & ERTS_ALCU_FLG_SBMBC) + ? alc->sbmbc_first : alc->mbc_first); + int found_it = 0; + + for ( ; p; p = p->next) { + if (p == crr) { + ASSERT(!found_it); + found_it = 1; + } + ASSERT(!p->next || p->next > p); + } + ASSERT(found_it); +} + + #define IS_LEFT_VISITED(FB) ((FB)->flags & LEFT_VISITED_FLG) #define IS_RIGHT_VISITED(FB) ((FB)->flags & RIGHT_VISITED_FLG) diff --git a/erts/emulator/beam/erl_ao_firstfit_alloc.h b/erts/emulator/beam/erl_ao_firstfit_alloc.h index 36995a20f0..a8fa69ab79 100644 --- a/erts/emulator/beam/erl_ao_firstfit_alloc.h +++ b/erts/emulator/beam/erl_ao_firstfit_alloc.h @@ -51,8 +51,8 @@ Allctr_t *erts_aoffalc_start(AOFFAllctr_t *, AOFFAllctrInit_t*, AllctrInit_t *); struct AOFFAllctr_t_ { Allctr_t allctr; /* Has to be first! */ - struct AOFF_RBTree_t_* mbc_root; - struct AOFF_RBTree_t_* sbmbc_root; + struct AOFF_Carrier_t_* mbc_first; + struct AOFF_Carrier_t_* sbmbc_first; int bf_within_carrier; }; diff --git a/erts/emulator/test/alloc_SUITE_data/allocator_test.h b/erts/emulator/test/alloc_SUITE_data/allocator_test.h index ec5bb9dcd6..c08398d40f 100644 --- a/erts/emulator/test/alloc_SUITE_data/allocator_test.h +++ b/erts/emulator/test/alloc_SUITE_data/allocator_test.h @@ -85,7 +85,7 @@ typedef void* erts_cond; /* From erl_bestfit_alloc.c and erl_ao_firstfit_alloc.c */ #define IS_AOBF(A) ((Ulong) ALC_TEST1(RBT_OP(0), (A))) -#define RBT_ROOT(A) ((RBT_t *) ALC_TEST1(RBT_OP(1), (A))) +#define RBT_ROOT(A,SZ) ((RBT_t *) ALC_TEST2(RBT_OP(1), (A), (SZ))) #define RBT_PARENT(T) ((RBT_t *) ALC_TEST1(RBT_OP(2), (T))) #define RBT_LEFT(T) ((RBT_t *) ALC_TEST1(RBT_OP(3), (T))) #define RBT_RIGHT(T) ((RBT_t *) ALC_TEST1(RBT_OP(4), (T))) diff --git a/erts/emulator/test/alloc_SUITE_data/rbtree.c b/erts/emulator/test/alloc_SUITE_data/rbtree.c index 105c9c0eb4..bdada7ca33 100644 --- a/erts/emulator/test/alloc_SUITE_data/rbtree.c +++ b/erts/emulator/test/alloc_SUITE_data/rbtree.c @@ -103,7 +103,7 @@ check_tree(TestCaseState_t *tcs, Allctr_t *alc, Ulong size) else type = AOFF; } - root = RBT_ROOT(alc); + root = RBT_ROOT(alc, size); #ifdef PRINT_TREE print_tree(tcs, root); @@ -369,9 +369,9 @@ test_it(TestCaseState_t *tcs) do_check(tcs, a, 300); } - ASSERT(tcs, RBT_ROOT(a)); - ASSERT(tcs, !RBT_LEFT(RBT_ROOT(a))); - ASSERT(tcs, !RBT_RIGHT(RBT_ROOT(a))); + ASSERT(tcs, RBT_ROOT(a,0)); + ASSERT(tcs, !RBT_LEFT(RBT_ROOT(a,0))); + ASSERT(tcs, !RBT_RIGHT(RBT_ROOT(a,0))); } -- cgit v1.2.3 From e5bbae8ae46bb11ab1c4f1a5e4e671d7a888ad84 Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Fri, 17 May 2013 14:47:08 +0200 Subject: erts: Change naive list to rb-tree of carriers in AOFF allocator and add new callbacks add_mbc(), remove_mbc() and largest_fblk_in_mbc() for carrier migration. --- erts/emulator/beam/erl_afit_alloc.c | 3 + erts/emulator/beam/erl_alloc_util.h | 6 + erts/emulator/beam/erl_ao_firstfit_alloc.c | 339 ++++++++++++++++++----------- erts/emulator/beam/erl_ao_firstfit_alloc.h | 4 +- erts/emulator/beam/erl_bestfit_alloc.c | 3 + erts/emulator/beam/erl_goodfit_alloc.c | 4 +- 6 files changed, 224 insertions(+), 135 deletions(-) (limited to 'erts') diff --git a/erts/emulator/beam/erl_afit_alloc.c b/erts/emulator/beam/erl_afit_alloc.c index d03d6a591c..608a4dd26d 100644 --- a/erts/emulator/beam/erl_afit_alloc.c +++ b/erts/emulator/beam/erl_afit_alloc.c @@ -101,6 +101,9 @@ erts_afalc_start(AFAllctr_t *afallctr, allctr->get_next_mbc_size = NULL; allctr->creating_mbc = NULL; allctr->destroying_mbc = NULL; + allctr->add_mbc = NULL; + allctr->remove_mbc = NULL; + allctr->largest_fblk_in_mbc = NULL; allctr->init_atoms = init_atoms; #ifdef ERTS_ALLOC_UTIL_HARD_DEBUG diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h index 1183bf901d..739871957c 100644 --- a/erts/emulator/beam/erl_alloc_util.h +++ b/erts/emulator/beam/erl_alloc_util.h @@ -475,6 +475,12 @@ struct Allctr_t_ { Uint (*get_next_mbc_size) (Allctr_t *); void (*creating_mbc) (Allctr_t *, Carrier_t *, Uint32); void (*destroying_mbc) (Allctr_t *, Carrier_t *, Uint32); + + /* The three callbacks below are needed to support carrier migration */ + void (*add_mbc) (Allctr_t *, Carrier_t *, Uint32); + void (*remove_mbc) (Allctr_t *, Carrier_t *, Uint32); + UWord (*largest_fblk_in_mbc) (Allctr_t *, Carrier_t *); + void (*init_atoms) (void); #ifdef ERTS_ALLOC_UTIL_HARD_DEBUG diff --git a/erts/emulator/beam/erl_ao_firstfit_alloc.c b/erts/emulator/beam/erl_ao_firstfit_alloc.c index 50cbfc5033..dbf930509f 100644 --- a/erts/emulator/beam/erl_ao_firstfit_alloc.c +++ b/erts/emulator/beam/erl_ao_firstfit_alloc.c @@ -29,15 +29,15 @@ * This module is a callback-module for erl_alloc_util.c * * AOFF Algorithm: - * The tree nodes are free-blocks ordered in address order. + * The tree nodes are ordered in address order. * Every node also keeps the size of the largest block in its - * sub-tree ('max_size'). By that we can start from root and keep + * sub-tree ('max_sz'). By that we can start from root and keep * left (for low addresses) while dismissing entire sub-trees with * too small blocks. * AOFFCBF: * The only difference for "bestfit within carrier" is the tree - * sorting order. Blocks are first sorted wrt carrier address - * and then wrt size if they belong to the same carrier. + * sorting order. Blocks within the same carrier are sorted + * wrt size instead of address. * * Authors: Rickard Green/Sverker Eriksson */ @@ -90,11 +90,11 @@ typedef struct AOFF_RBTree_t_ AOFF_RBTree_t; struct AOFF_RBTree_t_ { Block_t hdr; - Uint flags; AOFF_RBTree_t *parent; AOFF_RBTree_t *left; AOFF_RBTree_t *right; - Uint max_sz; /* of all blocks in this sub-tree */ + Uint32 flags; + Uint32 max_sz; /* of all blocks in this sub-tree */ }; #define AOFF_BLK_SZ(B) MBC_FBLK_SZ(&(B)->hdr) @@ -102,19 +102,33 @@ typedef struct AOFF_Carrier_t_ AOFF_Carrier_t; struct AOFF_Carrier_t_ { Carrier_t crr; - AOFF_Carrier_t* next; - AOFF_Carrier_t** prevp; - AOFF_RBTree_t* root; + AOFF_RBTree_t rbt_node; /* My node in the carrier tree */ + AOFF_RBTree_t* root; /* Root of the block tree */ }; +#define RBT_NODE_TO_MBC(PTR) ((AOFF_Carrier_t*)((char*)(PTR) - offsetof(AOFF_Carrier_t, rbt_node))) + +/* + To support carrier migration we keep two kinds of rb-trees: + 1. One tree of carriers for each allocator instance. + 2. One tree of free blocks for each carrier. + Both trees use the same node structure AOFF_RBTree_t and implementation. + Carrier nodes thus contain a phony Block_t header 'rbt_node.hdr'. + The size value of such a phony block is the size of the largest free block in + that carrier, i.e same as 'max_sz' of the root node of its block tree. +*/ #ifdef HARD_DEBUG -static void check_carriers(AOFFAllctr_t* alc, AOFF_Carrier_t *crr, Uint32 flags); -static AOFF_RBTree_t * check_tree(AOFFAllctr_t* alc, AOFF_RBTree_t* root, Uint); +# define HARD_CHECK_IS_MEMBER(ROOT,NODE) rbt_assert_is_member(ROOT,NODE) +# define HARD_CHECK_TREE(CRR,BF,ROOT,SZ) check_tree(CRR, BF, ROOT, SZ) +static AOFF_RBTree_t * check_tree(Carrier_t* within_crr, int bestfit, AOFF_RBTree_t* root, Uint); +#else +# define HARD_CHECK_IS_MEMBER(ROOT,NODE) +# define HARD_CHECK_TREE(CRR,BF,ROOT,SZ) #endif -/* Calculate 'max_size' of tree node x by only looking at the direct children - * of x and x itself. +/* Calculate 'max_sz' of tree node x by only looking at 'max_sz' of the + * direct children of x and the size x itself. */ static ERTS_INLINE Uint node_max_size(AOFF_RBTree_t *x) { @@ -128,7 +142,7 @@ static ERTS_INLINE Uint node_max_size(AOFF_RBTree_t *x) return sz; } -/* Set new possibly lower 'max_size' of node and propagate change toward root +/* Set new possibly lower 'max_sz' of node and propagate change toward root */ static ERTS_INLINE void lower_max_size(AOFF_RBTree_t *node, AOFF_RBTree_t* stop_at) @@ -147,21 +161,21 @@ static ERTS_INLINE void lower_max_size(AOFF_RBTree_t *node, else ASSERT(new_max == old_max); } -static ERTS_INLINE SWord cmp_blocks(AOFFAllctr_t* alc, +static ERTS_INLINE SWord cmp_blocks(int bestfit, AOFF_RBTree_t* lhs, AOFF_RBTree_t* rhs) { - ASSERT(FBLK_TO_MBC(&lhs->hdr) == FBLK_TO_MBC(&rhs->hdr)); - if (alc->bf_within_carrier) { + ASSERT(!bestfit || FBLK_TO_MBC(&lhs->hdr) == FBLK_TO_MBC(&rhs->hdr)); + if (bestfit) { SWord diff = (SWord)AOFF_BLK_SZ(lhs) - (SWord)AOFF_BLK_SZ(rhs); if (diff) return diff; } return (char*)lhs - (char*)rhs; } -static ERTS_INLINE SWord cmp_cand_blk(AOFFAllctr_t* alc, +static ERTS_INLINE SWord cmp_cand_blk(int bestfit, Block_t* cand_blk, AOFF_RBTree_t* rhs) { - if (alc->bf_within_carrier) { + if (bestfit) { if (BLK_TO_MBC(cand_blk) == FBLK_TO_MBC(&rhs->hdr)) { SWord diff = (SWord)MBC_BLK_SZ(cand_blk) - (SWord)MBC_FBLK_SZ(&rhs->hdr); if (diff) return diff; @@ -176,7 +190,17 @@ static Block_t* aoff_get_free_block(Allctr_t *, Uint, Block_t *, Uint, Uint32 fl static void aoff_link_free_block(Allctr_t *, Block_t*, Uint32 flags); static void aoff_unlink_free_block(Allctr_t *allctr, Block_t *del, Uint32 flags); static void aoff_creating_mbc(Allctr_t*, Carrier_t*, Uint32 flags); -static void aoff_destroying_mbc(Allctr_t*, Carrier_t*, Uint32 flags); +static void aoff_add_mbc(Allctr_t*, Carrier_t*, Uint32 flags); +static void aoff_remove_mbc(Allctr_t*, Carrier_t*, Uint32 flags); +static UWord aoff_largest_fblk_in_mbc(Allctr_t*, Carrier_t*); + +/* Generic tree functions used by both carrier and block trees. */ +static void rbt_delete(AOFF_RBTree_t** root, AOFF_RBTree_t* del); +static void rbt_insert(int bestfit, AOFF_RBTree_t** root, AOFF_RBTree_t* blk); +static AOFF_RBTree_t* rbt_search(AOFF_RBTree_t* root, Uint size); +#ifdef HARD_DEBUG +static int rbt_assert_is_member(AOFF_RBTree_t* root, AOFF_RBTree_t* node); +#endif static Eterm info_options(Allctr_t *, char *, int *, void *, Uint **, Uint *); static void init_atoms(void); @@ -243,7 +267,10 @@ erts_aoffalc_start(AOFFAllctr_t *alc, allctr->get_next_mbc_size = NULL; allctr->creating_mbc = aoff_creating_mbc; - allctr->destroying_mbc = aoff_destroying_mbc; + allctr->destroying_mbc = aoff_remove_mbc; + allctr->add_mbc = aoff_add_mbc; + allctr->remove_mbc = aoff_remove_mbc; + allctr->largest_fblk_in_mbc = aoff_largest_fblk_in_mbc; allctr->init_atoms = init_atoms; #ifdef ERTS_ALLOC_UTIL_HARD_DEBUG @@ -449,21 +476,45 @@ static void aoff_unlink_free_block(Allctr_t *allctr, Block_t *del, Uint32 flags) { #ifdef HARD_DEBUG - AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; + AOFFAllctr_t* alc = (AOFFAllctr_t*)allctr; #endif AOFF_Carrier_t *crr = (AOFF_Carrier_t*) FBLK_TO_MBC(del); - AOFF_RBTree_t **root = &crr->root; + + ASSERT(crr->rbt_node.hdr.bhdr == crr->root->max_sz); + HARD_CHECK_IS_MEMBER(((flags & ERTS_ALCU_FLG_SBMBC) ? alc->sbmbc_root : alc->mbc_root), + &crr->rbt_node); + HARD_CHECK_TREE(&crr->crr, alc->bf_within_carrier, crr->root, 0); + + rbt_delete(&crr->root, (AOFF_RBTree_t*)del); + + HARD_CHECK_TREE(&crr->crr, alc->bf_within_carrier, crr->root, 0); + + /* Update the carrier tree with a potentially new (lower) max_sz + */ + if (crr->root) { + if (crr->rbt_node.hdr.bhdr == crr->root->max_sz) { + return; + } + ASSERT(crr->rbt_node.hdr.bhdr > crr->root->max_sz); + crr->rbt_node.hdr.bhdr = crr->root->max_sz; + } + else { + crr->rbt_node.hdr.bhdr = 0; + } + lower_max_size(&crr->rbt_node, NULL); +} + +static void +rbt_delete(AOFF_RBTree_t** root, AOFF_RBTree_t* del) +{ Uint spliced_is_black; - AOFF_RBTree_t *x, *y, *z = (AOFF_RBTree_t *) del; + AOFF_RBTree_t *x, *y, *z = del; AOFF_RBTree_t null_x; /* null_x is used to get the fixup started when we splice out a node without children. */ - null_x.parent = NULL; + HARD_CHECK_IS_MEMBER(*root, del); -#ifdef HARD_DEBUG - check_carriers(alc, crr, flags); - check_tree(alc, *root, 0); -#endif + null_x.parent = NULL; /* Remove node from tree... */ @@ -618,29 +669,47 @@ aoff_unlink_free_block(Allctr_t *allctr, Block_t *del, Uint32 flags) RBT_ASSERT(!null_x.right); } } - DESTROY_TREE_NODE(del); - -#ifdef HARD_DEBUG - check_tree(alc, *root, 0); -#endif } static void aoff_link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) { - AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; + AOFFAllctr_t* alc = (AOFFAllctr_t*) allctr; AOFF_RBTree_t *blk = (AOFF_RBTree_t *) block; - AOFF_RBTree_t **root; + AOFF_RBTree_t *crr_node; AOFF_Carrier_t *blk_crr = (AOFF_Carrier_t*) FBLK_TO_MBC(block); Uint blk_sz = AOFF_BLK_SZ(blk); -#ifdef HARD_DEBUG - check_carriers(alc, blk_crr, flags); - check_tree(alc, blk_crr->root, 0); -#endif + ASSERT(allctr == blk_crr->crr.allctr); + ASSERT(blk_crr->rbt_node.hdr.bhdr == (blk_crr->root ? blk_crr->root->max_sz : 0)); + + HARD_CHECK_IS_MEMBER(((flags & ERTS_ALCU_FLG_SBMBC) ? alc->sbmbc_root : alc->mbc_root), + &blk_crr->rbt_node); + HARD_CHECK_TREE(&blk_crr->crr, alc->bf_within_carrier, blk_crr->root, 0); + + rbt_insert(alc->bf_within_carrier, &blk_crr->root, blk); + + /* Update the carrier tree with a potential new (larger) max_sz + */ + crr_node = &blk_crr->rbt_node; + if (blk_sz > crr_node->hdr.bhdr) { + ASSERT(blk_sz == blk_crr->root->max_sz); + crr_node->hdr.bhdr = blk_sz; + while (blk_sz > crr_node->max_sz) { + crr_node->max_sz = blk_sz; + crr_node = crr_node->parent; + if (!crr_node) break; + } + } + HARD_CHECK_TREE(&blk_crr->crr, alc->bf_within_carrier, blk_crr->root, 0); +} + +static void +rbt_insert(int bestfit, AOFF_RBTree_t** root, AOFF_RBTree_t* blk) +{ + Uint blk_sz = AOFF_BLK_SZ(blk); - root = &blk_crr->root; blk->flags = 0; blk->left = NULL; blk->right = NULL; @@ -657,7 +726,7 @@ aoff_link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) if (x->max_sz < blk_sz) { x->max_sz = blk_sz; } - if (cmp_blocks(alc, blk, x) < 0) { + if (cmp_blocks(bestfit, blk, x) < 0) { if (!x->left) { blk->parent = x; x->left = blk; @@ -682,10 +751,28 @@ aoff_link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) if (IS_RED(blk->parent)) tree_insert_fixup(root, blk); } +} -#ifdef HARD_DEBUG - check_tree(alc, *root, 0); -#endif +static AOFF_RBTree_t* +rbt_search(AOFF_RBTree_t* root, Uint size) +{ + AOFF_RBTree_t* x = root; + + ASSERT(x); + for (;;) { + if (x->left && x->left->max_sz >= size) { + x = x->left; + } + else if (AOFF_BLK_SZ(x) >= size) { + return x; + } + else { + x = x->right; + if (!x) { + return NULL; + } + } + } } static Block_t * @@ -693,44 +780,31 @@ aoff_get_free_block(Allctr_t *allctr, Uint size, Block_t *cand_blk, Uint cand_size, Uint32 flags) { AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; - AOFF_Carrier_t *crr = ((flags & ERTS_ALCU_FLG_SBMBC) - ? alc->sbmbc_first : alc->mbc_first); - AOFF_RBTree_t *x, *blk = NULL; + AOFF_RBTree_t *crr_node = ((flags & ERTS_ALCU_FLG_SBMBC) + ? alc->sbmbc_root : alc->mbc_root); + AOFF_Carrier_t* crr; + AOFF_RBTree_t *blk = NULL; #ifdef HARD_DEBUG AOFF_RBTree_t* dbg_blk; #endif - + ASSERT(!cand_blk || cand_size >= size); /* Get first-fit carrier */ - for (;;) { - if (!crr) - return NULL; - if (crr->root && crr->root->max_sz >= size) - break; - crr = crr->next; + if (!crr_node || !(blk=rbt_search(crr_node, size))) { + return NULL; } + crr = RBT_NODE_TO_MBC(blk); /* Get block within carrier tree */ - x = crr->root; #ifdef HARD_DEBUG - dbg_blk = check_tree(alc, x, size); + dbg_blk = HARD_CHECK_TREE(&crr->crr, alc->bf_within_carrier, crr->root, size); #endif - while (x) { - if (x->left && x->left->max_sz >= size) { - x = x->left; - } - else if (AOFF_BLK_SZ(x) >= size) { - blk = x; - break; - } - else { - x = x->right; - } - } + blk = rbt_search(crr->root, size); + ASSERT(blk); #ifdef HARD_DEBUG ASSERT(blk == dbg_blk); @@ -739,7 +813,7 @@ aoff_get_free_block(Allctr_t *allctr, Uint size, if (!blk) return NULL; - if (cand_blk && cmp_cand_blk(alc, cand_blk, blk) < 0) { + if (cand_blk && cmp_cand_blk(alc->bf_within_carrier, cand_blk, blk) < 0) { return NULL; /* cand_blk was better */ } @@ -752,50 +826,61 @@ static void aoff_creating_mbc(Allctr_t *allctr, Carrier_t *carrier, Uint32 flags { AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier; - AOFF_Carrier_t **prevp = ((flags & ERTS_ALCU_FLG_SBMBC) - ? &alc->sbmbc_first : &alc->mbc_first); - AOFF_Carrier_t *p; + AOFF_RBTree_t **root = ((flags & ERTS_ALCU_FLG_SBMBC) + ? &alc->sbmbc_root : &alc->mbc_root); + HARD_CHECK_TREE(NULL, 0, *root, 0); - /* Link carrier in address order + /* Link carrier in address order tree */ - for (p = *prevp; p && crr > p; p = p->next) { - prevp = &p->next; - } - ASSERT(crr != p); - - crr->next = p; - crr->prevp = prevp; - *prevp = crr; - if (p) { - ASSERT(prevp == p->prevp); - p->prevp = &crr->next; - } + crr->rbt_node.hdr.bhdr = 0; + rbt_insert(0, root, &crr->rbt_node); /* aoff_link_free_block will add free block later */ crr->root = NULL; + + HARD_CHECK_TREE(NULL, 0, *root, 0); } -static void aoff_destroying_mbc(Allctr_t *allctr, Carrier_t *carrier, Uint32 flags) +static void aoff_add_mbc(Allctr_t *allctr, Carrier_t *carrier, Uint32 flags) { AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier; - AOFF_Carrier_t **pp = ((flags & ERTS_ALCU_FLG_SBMBC) - ? &alc->sbmbc_first : &alc->mbc_first); + AOFF_RBTree_t **root = ((flags & ERTS_ALCU_FLG_SBMBC) + ? &alc->sbmbc_root : &alc->mbc_root); + + HARD_CHECK_TREE(NULL, 0, *root, 0); - /* Unlink carrier + /* Link carrier in address order tree */ - while (*pp != crr) { - ASSERT(*pp && (*pp)->prevp == pp); - pp = &(*pp)->next; - } - *pp = crr->next; - if (crr->next) { - ASSERT(crr->next->prevp == &crr->next); - crr->next->prevp = crr->prevp; - } + rbt_insert(0, root, &crr->rbt_node); + + HARD_CHECK_TREE(NULL, 0, *root, 0); +} + +static void aoff_remove_mbc(Allctr_t *allctr, Carrier_t *carrier, Uint32 flags) +{ + AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; + AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier; + AOFF_RBTree_t **root = ((flags & ERTS_ALCU_FLG_SBMBC) + ? &alc->sbmbc_root : &alc->mbc_root); + + ASSERT(allctr == carrier->allctr); + HARD_CHECK_TREE(NULL, 0, *root, 0); + + rbt_delete(root, &crr->rbt_node); + + HARD_CHECK_TREE(NULL, 0, *root, 0); } +static UWord aoff_largest_fblk_in_mbc(Allctr_t* allctr, Carrier_t* carrier) +{ + AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier; + + ASSERT(allctr == carrier->allctr); + ASSERT(crr->rbt_node.hdr.bhdr == (crr->root ? crr->root->max_sz : 0)); + return crr->rbt_node.hdr.bhdr; +} /* * info_options() @@ -901,16 +986,10 @@ erts_aoffalc_test(UWord op, UWord a1, UWord a2) { switch (op) { case 0x501: { - AOFF_Carrier_t* crr = ((AOFFAllctr_t *) a1)->mbc_first; + AOFF_RBTree_t *node = ((AOFFAllctr_t *) a1)->mbc_root; Uint size = (Uint) a2; - for (;;) { - if (!crr) - return (UWord)NULL; - if (crr->root && crr->root->max_sz >= size) - break; - crr = crr->next; - } - return (UWord) crr->root; + node = rbt_search(node, size); + return (UWord) (node ? RBT_NODE_TO_MBC(node)->root : NULL); } case 0x502: return (UWord) ((AOFF_RBTree_t *) a1)->parent; case 0x503: return (UWord) ((AOFF_RBTree_t *) a1)->left; @@ -931,23 +1010,16 @@ erts_aoffalc_test(UWord op, UWord a1, UWord a2) #ifdef HARD_DEBUG -static void check_carriers(AOFFAllctr_t* alc, AOFF_Carrier_t *crr, Uint32 flags) -{ - AOFF_Carrier_t *p = ((flags & ERTS_ALCU_FLG_SBMBC) - ? alc->sbmbc_first : alc->mbc_first); - int found_it = 0; - - for ( ; p; p = p->next) { - if (p == crr) { - ASSERT(!found_it); - found_it = 1; - } - ASSERT(!p->next || p->next > p); - } - ASSERT(found_it); +static int rbt_assert_is_member(AOFF_RBTree_t* root, AOFF_RBTree_t* node) +{ + while (node != root) { + ASSERT(node->parent); + ASSERT(node->parent->left == node || node->parent->right == node); + node = node->parent; + } + return 1; } - #define IS_LEFT_VISITED(FB) ((FB)->flags & LEFT_VISITED_FLG) #define IS_RIGHT_VISITED(FB) ((FB)->flags & RIGHT_VISITED_FLG) @@ -984,7 +1056,7 @@ static void print_tree(AOFF_RBTree_t*); */ static AOFF_RBTree_t * -check_tree(AOFFAllctr_t* alc, AOFF_RBTree_t* root, Uint size) +check_tree(Carrier_t* within_crr, int bestfit, AOFF_RBTree_t* root, Uint size) { AOFF_RBTree_t *res = NULL; Sint blacks; @@ -1046,9 +1118,12 @@ check_tree(AOFFAllctr_t* alc, AOFF_RBTree_t* root, Uint size) if (depth > max_depth) max_depth = depth; - crr = FBLK_TO_MBC(&x->hdr); - ASSERT((char*)x > (char*)crr); - ASSERT(((char*)x + AOFF_BLK_SZ(x)) <= ((char*)crr + CARRIER_SZ(crr))); + if (within_crr) { + crr = FBLK_TO_MBC(&x->hdr); + ASSERT(crr == within_crr); + ASSERT((char*)x > (char*)crr); + ASSERT(((char*)x + AOFF_BLK_SZ(x)) <= ((char*)crr + CARRIER_SZ(crr))); + } if (IS_RED(x)) { ASSERT(IS_BLACK(x->right)); @@ -1059,13 +1134,13 @@ check_tree(AOFFAllctr_t* alc, AOFF_RBTree_t* root, Uint size) if (x->left) { ASSERT(x->left->parent == x); - ASSERT(cmp_blocks(alc, x->left, x) < 0); + ASSERT(cmp_blocks(bestfit, x->left, x) < 0); ASSERT(x->left->max_sz <= x->max_sz); } if (x->right) { ASSERT(x->right->parent == x); - ASSERT(cmp_blocks(alc, x->right, x) > 0); + ASSERT(cmp_blocks(bestfit, x->right, x) > 0); ASSERT(x->right->max_sz <= x->max_sz); } ASSERT(x->max_sz >= AOFF_BLK_SZ(x)); @@ -1074,7 +1149,7 @@ check_tree(AOFFAllctr_t* alc, AOFF_RBTree_t* root, Uint size) || x->max_sz == (x->right ? x->right->max_sz : 0)); if (size && AOFF_BLK_SZ(x) >= size) { - if (!res || cmp_blocks(alc, x, res) < 0) { + if (!res || cmp_blocks(bestfit, x, res) < 0) { res = x; } } @@ -1113,9 +1188,9 @@ print_tree_aux(AOFF_RBTree_t *x, int indent) for (i = 0; i < indent; i++) { putc(' ', stderr); } - fprintf(stderr, "%s: sz=%lu addr=0x%lx max_size=%lu\r\n", + fprintf(stderr, "%s: sz=%lu addr=0x%lx max_size=%u\r\n", IS_BLACK(x) ? "BLACK" : "RED", - AOFF_BLK_SZ(x), (Uint)x, x->max_sz); + AOFF_BLK_SZ(x), (Uint)x, (unsigned)x->max_sz); print_tree_aux(x->left, indent + INDENT_STEP); } } diff --git a/erts/emulator/beam/erl_ao_firstfit_alloc.h b/erts/emulator/beam/erl_ao_firstfit_alloc.h index a8fa69ab79..36995a20f0 100644 --- a/erts/emulator/beam/erl_ao_firstfit_alloc.h +++ b/erts/emulator/beam/erl_ao_firstfit_alloc.h @@ -51,8 +51,8 @@ Allctr_t *erts_aoffalc_start(AOFFAllctr_t *, AOFFAllctrInit_t*, AllctrInit_t *); struct AOFFAllctr_t_ { Allctr_t allctr; /* Has to be first! */ - struct AOFF_Carrier_t_* mbc_first; - struct AOFF_Carrier_t_* sbmbc_first; + struct AOFF_RBTree_t_* mbc_root; + struct AOFF_RBTree_t_* sbmbc_root; int bf_within_carrier; }; diff --git a/erts/emulator/beam/erl_bestfit_alloc.c b/erts/emulator/beam/erl_bestfit_alloc.c index 42c7c9bbe2..dff69faa4e 100644 --- a/erts/emulator/beam/erl_bestfit_alloc.c +++ b/erts/emulator/beam/erl_bestfit_alloc.c @@ -208,6 +208,9 @@ erts_bfalc_start(BFAllctr_t *bfallctr, allctr->get_next_mbc_size = NULL; allctr->creating_mbc = NULL; allctr->destroying_mbc = NULL; + allctr->add_mbc = NULL; + allctr->remove_mbc = NULL; + allctr->largest_fblk_in_mbc = NULL; allctr->init_atoms = init_atoms; #ifdef ERTS_ALLOC_UTIL_HARD_DEBUG diff --git a/erts/emulator/beam/erl_goodfit_alloc.c b/erts/emulator/beam/erl_goodfit_alloc.c index fce443c101..72620a362b 100644 --- a/erts/emulator/beam/erl_goodfit_alloc.c +++ b/erts/emulator/beam/erl_goodfit_alloc.c @@ -223,7 +223,9 @@ erts_gfalc_start(GFAllctr_t *gfallctr, allctr->get_next_mbc_size = NULL; allctr->creating_mbc = update_last_aux_mbc; allctr->destroying_mbc = update_last_aux_mbc; - + allctr->add_mbc = NULL; + allctr->remove_mbc = NULL; + allctr->largest_fblk_in_mbc = NULL; allctr->init_atoms = init_atoms; #ifdef ERTS_ALLOC_UTIL_HARD_DEBUG -- cgit v1.2.3 From 5803c8c83ea7b44127d3d4e80b0a4ea308f5f4e9 Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Tue, 21 May 2013 15:51:12 +0200 Subject: erts: Fix deallocation in removed carrier --- erts/emulator/beam/erl_ao_firstfit_alloc.c | 42 +++++++++++++++--------------- 1 file changed, 21 insertions(+), 21 deletions(-) (limited to 'erts') diff --git a/erts/emulator/beam/erl_ao_firstfit_alloc.c b/erts/emulator/beam/erl_ao_firstfit_alloc.c index dbf930509f..5d7e6f94a8 100644 --- a/erts/emulator/beam/erl_ao_firstfit_alloc.c +++ b/erts/emulator/beam/erl_ao_firstfit_alloc.c @@ -103,7 +103,7 @@ typedef struct AOFF_Carrier_t_ AOFF_Carrier_t; struct AOFF_Carrier_t_ { Carrier_t crr; AOFF_RBTree_t rbt_node; /* My node in the carrier tree */ - AOFF_RBTree_t* root; /* Root of the block tree */ + AOFF_RBTree_t* root; /* Root of my block tree */ }; #define RBT_NODE_TO_MBC(PTR) ((AOFF_Carrier_t*)((char*)(PTR) - offsetof(AOFF_Carrier_t, rbt_node))) @@ -164,6 +164,7 @@ static ERTS_INLINE void lower_max_size(AOFF_RBTree_t *node, static ERTS_INLINE SWord cmp_blocks(int bestfit, AOFF_RBTree_t* lhs, AOFF_RBTree_t* rhs) { + ASSERT(lhs != rhs); ASSERT(!bestfit || FBLK_TO_MBC(&lhs->hdr) == FBLK_TO_MBC(&rhs->hdr)); if (bestfit) { SWord diff = (SWord)AOFF_BLK_SZ(lhs) - (SWord)AOFF_BLK_SZ(rhs); @@ -190,6 +191,7 @@ static Block_t* aoff_get_free_block(Allctr_t *, Uint, Block_t *, Uint, Uint32 fl static void aoff_link_free_block(Allctr_t *, Block_t*, Uint32 flags); static void aoff_unlink_free_block(Allctr_t *allctr, Block_t *del, Uint32 flags); static void aoff_creating_mbc(Allctr_t*, Carrier_t*, Uint32 flags); +static void aoff_destroying_mbc(Allctr_t*, Carrier_t*, Uint32 flags); static void aoff_add_mbc(Allctr_t*, Carrier_t*, Uint32 flags); static void aoff_remove_mbc(Allctr_t*, Carrier_t*, Uint32 flags); static UWord aoff_largest_fblk_in_mbc(Allctr_t*, Carrier_t*); @@ -206,22 +208,6 @@ static Eterm info_options(Allctr_t *, char *, int *, void *, Uint **, Uint *); static void init_atoms(void); - -#ifdef DEBUG - -/* Destroy all tree fields */ -#define DESTROY_TREE_NODE(N) \ - sys_memset((void *) (((Block_t *) (N)) + 1), \ - 0xff, \ - (sizeof(AOFF_RBTree_t) - sizeof(Block_t))) - -#else - -#define DESTROY_TREE_NODE(N) - -#endif - - static int atoms_initialized = 0; void @@ -267,7 +253,7 @@ erts_aoffalc_start(AOFFAllctr_t *alc, allctr->get_next_mbc_size = NULL; allctr->creating_mbc = aoff_creating_mbc; - allctr->destroying_mbc = aoff_remove_mbc; + allctr->destroying_mbc = aoff_destroying_mbc; allctr->add_mbc = aoff_add_mbc; allctr->remove_mbc = aoff_remove_mbc; allctr->largest_fblk_in_mbc = aoff_largest_fblk_in_mbc; @@ -376,7 +362,6 @@ replace(AOFF_RBTree_t **root, AOFF_RBTree_t *x, AOFF_RBTree_t *y) y->max_sz = x->max_sz; lower_max_size(y, NULL); - DESTROY_TREE_NODE(x); } static void @@ -669,7 +654,6 @@ rbt_delete(AOFF_RBTree_t** root, AOFF_RBTree_t* del) RBT_ASSERT(!null_x.right); } } - DESTROY_TREE_NODE(del); } static void @@ -683,7 +667,6 @@ aoff_link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) ASSERT(allctr == blk_crr->crr.allctr); ASSERT(blk_crr->rbt_node.hdr.bhdr == (blk_crr->root ? blk_crr->root->max_sz : 0)); - HARD_CHECK_IS_MEMBER(((flags & ERTS_ALCU_FLG_SBMBC) ? alc->sbmbc_root : alc->mbc_root), &blk_crr->rbt_node); HARD_CHECK_TREE(&blk_crr->crr, alc->bf_within_carrier, blk_crr->root, 0); @@ -842,6 +825,19 @@ static void aoff_creating_mbc(Allctr_t *allctr, Carrier_t *carrier, Uint32 flags HARD_CHECK_TREE(NULL, 0, *root, 0); } +static void aoff_destroying_mbc(Allctr_t *allctr, Carrier_t *carrier, Uint32 flags) +{ + AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; + AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier; + AOFF_RBTree_t *root = ((flags & ERTS_ALCU_FLG_SBMBC) + ? alc->sbmbc_root : alc->mbc_root); + + if (crr->rbt_node.parent || &crr->rbt_node == root) { + aoff_remove_mbc(allctr, carrier, flags); + } + /*else already removed */ +} + static void aoff_add_mbc(Allctr_t *allctr, Carrier_t *carrier, Uint32 flags) { AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; @@ -869,6 +865,10 @@ static void aoff_remove_mbc(Allctr_t *allctr, Carrier_t *carrier, Uint32 flags) HARD_CHECK_TREE(NULL, 0, *root, 0); rbt_delete(root, &crr->rbt_node); + crr->rbt_node.parent = NULL; + crr->rbt_node.left = NULL; + crr->rbt_node.right = NULL; + crr->rbt_node.max_sz = crr->rbt_node.hdr.bhdr; HARD_CHECK_TREE(NULL, 0, *root, 0); } -- cgit v1.2.3 From 473612d16e75e8c01cbf7725205418700c389759 Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Tue, 21 May 2013 15:53:29 +0200 Subject: erts: Add test for add_mbc and remove_mbc callbacks --- erts/emulator/beam/erl_alloc_util.c | 3 + erts/emulator/beam/erl_ao_firstfit_alloc.c | 2 +- .../test/alloc_SUITE_data/allocator_test.h | 2 + erts/emulator/test/alloc_SUITE_data/rbtree.c | 83 ++++++++++++++++++++++ 4 files changed, 89 insertions(+), 1 deletion(-) (limited to 'erts') diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index ce66727fae..67cc4ae62a 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -4404,8 +4404,11 @@ erts_alcu_test(UWord op, UWord a1, UWord a2) case 0x01a: return (UWord) IS_MBC_FIRST_BLK((Allctr_t*)a1, (Block_t *) a2); case 0x01b: return (UWord) sizeof(Unit_t); case 0x01c: return (unsigned long) BLK_TO_MBC((Block_t*) a1); + case 0x01d: ((Allctr_t*) a1)->add_mbc((Allctr_t*)a1, (Carrier_t*)a2, 0); break; + case 0x01e: ((Allctr_t*) a1)->remove_mbc((Allctr_t*)a1, (Carrier_t*)a2, 0); break; default: ASSERT(0); return ~((UWord) 0); } + return 0; } /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\ diff --git a/erts/emulator/beam/erl_ao_firstfit_alloc.c b/erts/emulator/beam/erl_ao_firstfit_alloc.c index 5d7e6f94a8..98dd98bb14 100644 --- a/erts/emulator/beam/erl_ao_firstfit_alloc.c +++ b/erts/emulator/beam/erl_ao_firstfit_alloc.c @@ -988,7 +988,7 @@ erts_aoffalc_test(UWord op, UWord a1, UWord a2) case 0x501: { AOFF_RBTree_t *node = ((AOFFAllctr_t *) a1)->mbc_root; Uint size = (Uint) a2; - node = rbt_search(node, size); + node = node ? rbt_search(node, size) : NULL; return (UWord) (node ? RBT_NODE_TO_MBC(node)->root : NULL); } case 0x502: return (UWord) ((AOFF_RBTree_t *) a1)->parent; diff --git a/erts/emulator/test/alloc_SUITE_data/allocator_test.h b/erts/emulator/test/alloc_SUITE_data/allocator_test.h index c08398d40f..f1d6d59211 100644 --- a/erts/emulator/test/alloc_SUITE_data/allocator_test.h +++ b/erts/emulator/test/alloc_SUITE_data/allocator_test.h @@ -76,6 +76,8 @@ typedef void* erts_cond; #define IS_MBC_FIRST_BLK(A,B) ((Ulong) ALC_TEST2(0x01a, (A), (B))) #define UNIT_SZ ((Ulong) ALC_TEST0(0x01b)) #define BLK_TO_MBC(B) ((Carrier_t *) ALC_TEST1(0x01c, (B))) +#define ADD_MBC(A, C) ((void) ALC_TEST2(0x01d, (A), (C))) +#define REMOVE_MBC(A, C) ((void) ALC_TEST2(0x01e, (A), (C))) /* From erl_goodfit_alloc.c */ #define BKT_IX(A, S) ((Ulong) ALC_TEST2(0x100, (A), (S))) diff --git a/erts/emulator/test/alloc_SUITE_data/rbtree.c b/erts/emulator/test/alloc_SUITE_data/rbtree.c index bdada7ca33..cb4e387056 100644 --- a/erts/emulator/test/alloc_SUITE_data/rbtree.c +++ b/erts/emulator/test/alloc_SUITE_data/rbtree.c @@ -375,6 +375,87 @@ test_it(TestCaseState_t *tcs) } +static int is_single_ablk_in_mbc(Allctr_t* a, void* ptr, void* crr) +{ + Block_t* blk = UMEM2BLK(ptr); + if (crr == BLK_TO_MBC(blk)) { + Block_t* first = MBC_TO_FIRST_BLK(a, crr); + if (blk == first || (IS_FREE_BLK(first) && blk == NXT_BLK(first))) { + Block_t* nxt; + if (IS_LAST_BLK(blk)) { + return 1; + } + nxt = NXT_BLK(blk); + return IS_FREE_BLK(nxt) && IS_LAST_BLK(nxt); + } + } + return 0; +} + +static void +test_carrier_migration(TestCaseState_t *tcs) +{ + int i, j; + Allctr_t* a = ((rbtree_test_data *) tcs->extra)->allocator; + void **blk = ((rbtree_test_data *) tcs->extra)->blk; + void **fence = ((rbtree_test_data *) tcs->extra)->fence; + void *crr, *p, *free_crr; + Ulong min_blk_sz; + + min_blk_sz = MIN_BLK_SZ(a); + + for (i = 0; i < NO_BLOCKS; i++) { + blk[i] = ALLOC(a, min_blk_sz + i % 500); + fence[i] = ALLOC(a, 1); + ASSERT(tcs, blk[i] && fence[i]); + } + + for (j = 0; j < NO_BLOCKS; j += 997) { + crr = BLK_TO_MBC(UMEM2BLK(blk[j])); + REMOVE_MBC(a, crr); + + for (i = 0; i < NO_BLOCKS; i++) { + if (i % 3 == 0) { + if (is_single_ablk_in_mbc(a, blk[i], crr)) { + crr = NULL; /* about to destroy the removed mbc */ + } + FREE(a, blk[i]); + blk[i] = NULL; + } + if (i % (NO_BLOCKS/2) == 0) + do_check(tcs, a, 50); + } + + for (i = 0; i < NO_BLOCKS; i++) { + if (i % 3 == 0) { + ASSERT(tcs, !blk[i]); + blk[i] = ALLOC(a, min_blk_sz + i % 500); + ASSERT(tcs, BLK_TO_MBC(UMEM2BLK(blk[i])) != crr); + } + if (i % (NO_BLOCKS/2) == 0) + do_check(tcs, a, 50); + } + if (crr) { + ADD_MBC(a, crr); + } + } + + for (crr = FIRST_MBC(a); crr; crr = NEXT_C(crr)) { + REMOVE_MBC(a, crr); + } + + p = ALLOC(a, 1); + free_crr = BLK_TO_MBC(UMEM2BLK(p)); + FREE(a, p); + + for (crr = FIRST_MBC(a); crr; crr = NEXT_C(crr)) { + ASSERT(tcs, free_crr != crr); + } + + ASSERT(tcs, !RBT_ROOT(a,0)); +} + + char * testcase_name(void) { @@ -465,6 +546,7 @@ testcase_run(TestCaseState_t *tcs) ASSERT(tcs, !IS_CBF(a)); test_it(tcs); + test_carrier_migration(tcs); STOP_ALC(a); td->allocator = NULL; @@ -483,6 +565,7 @@ testcase_run(TestCaseState_t *tcs) ASSERT(tcs, IS_CBF(a)); test_it(tcs); + test_carrier_migration(tcs); STOP_ALC(a); td->allocator = NULL; -- cgit v1.2.3 From 59ff0ec666601e59e504e05d3333526338f9de9b Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Tue, 21 May 2013 20:05:06 +0200 Subject: erts: Remove SBMBC allocator --- erts/doc/src/erts_alloc.xml | 43 +--- erts/emulator/beam/erl_afit_alloc.c | 2 - erts/emulator/beam/erl_alloc.c | 100 +------- erts/emulator/beam/erl_alloc.h | 8 - erts/emulator/beam/erl_alloc.types | 7 - erts/emulator/beam/erl_alloc_util.c | 363 +++++------------------------ erts/emulator/beam/erl_alloc_util.h | 20 +- erts/emulator/beam/erl_ao_firstfit_alloc.c | 21 +- erts/emulator/beam/erl_ao_firstfit_alloc.h | 1 - erts/emulator/beam/erl_bestfit_alloc.c | 24 +- erts/emulator/beam/erl_bestfit_alloc.h | 1 - erts/emulator/beam/erl_goodfit_alloc.c | 2 - erts/emulator/beam/erl_instrument.c | 6 - erts/emulator/beam/erl_lock_check.c | 1 - erts/emulator/test/driver_SUITE.erl | 3 +- erts/emulator/test/nif_SUITE.erl | 3 +- erts/emulator/test/send_term_SUITE.erl | 4 - erts/etc/common/erlexec.c | 3 - erts/preloaded/ebin/erlang.beam | Bin 93520 -> 93444 bytes erts/preloaded/src/erlang.erl | 7 +- 20 files changed, 84 insertions(+), 535 deletions(-) (limited to 'erts') diff --git a/erts/doc/src/erts_alloc.xml b/erts/doc/src/erts_alloc.xml index c73cdfd290..a95b5d7cc4 100644 --- a/erts/doc/src/erts_alloc.xml +++ b/erts/doc/src/erts_alloc.xml @@ -75,10 +75,6 @@ segments are allocated, cached segments are used if possible instead of creating new segments. This in order to reduce the number of system calls made. - sbmbc_alloc - Allocator used by other allocators for allocation of carriers - where only small blocks are placed. Currently this allocator is - disabled by default.

sys_alloc is always enabled and cannot be disabled. mseg_alloc is always enabled if it is @@ -86,9 +82,7 @@ allocators can be enabled or disabled. By default all allocators are enabled. When an allocator is disabled, sys_alloc is used instead of - the disabled allocator. sbmbc_alloc is an exception. If - sbmbc_alloc is disabled, other allocators will not handle - small blocks in separate carriers.

+ the disabled allocator.

The main idea with the erts_alloc library is to separate memory blocks that are used differently into different memory areas, and by this achieving less memory fragmentation. By @@ -106,20 +100,15 @@ following does not apply to them.

An allocator manages multiple areas, called carriers, in which memory blocks are placed. A carrier is either placed in a - separate memory segment (allocated via mseg_alloc), in - the heap segment (allocated via sys_alloc), or inside - another carrier (in case it is a carrier created by - sbmbc_alloc). Multiblock + separate memory segment (allocated via mseg_alloc), or in + the heap segment (allocated via sys_alloc). Multiblock carriers are used for storage of several blocks. Singleblock carriers are used for storage of one block. Blocks that are larger than the value of the singleblock carrier threshold (sbct) parameter are placed in singleblock carriers. Blocks that are smaller than the value of the sbct parameter are placed in multiblock - carriers. Blocks that are smaller than the small block multiblock - carrier threshold (sbmbct) - will be placed in multiblock carriers only used for small blocks. - Normally an allocator creates a "main multiblock + carriers. Normally an allocator creates a "main multiblock carrier". Main multiblock carriers are never deallocated. The size of the main multiblock carrier is determined by the value of the mmbcs parameter.

@@ -140,9 +129,7 @@ sbct parameter should be larger than the value of the lmbcs parameter, the allocator may have to create multiblock carriers that are larger than the value of the - lmbcs parameter, though. The size of multiblock carriers - for small blocks is determined by the small block multiblock - carrier size (sbmbcs). + lmbcs parameter, though. Singleblock carriers allocated via mseg_alloc are sized to whole pages.

Sizes of carriers allocated via sys_alloc are @@ -219,11 +206,6 @@ but can only satisfy a limited amount of requests.

-

- Currently only allocators using the best fit and the address order - best fit strategies are able to use "small block multi block carriers". -

-
System Flags Effecting erts_alloc @@ -245,7 +227,6 @@ the currently present allocators:

B: binary_alloc - C: sbmbc_alloc D: std_alloc E: ets_alloc F: fix_alloc @@ -416,20 +397,6 @@ smaller than this threshold will be placed in multiblock carriers. On 32-bit Unix style OS this threshold can not be set higher than 8 megabytes. - sbmbcs ]]> - - Small block multiblock carrier size (in bytes). Memory blocks smaller - than the small block multiblock carrier threshold - (sbmbct) will be placed in - multiblock carriers used for small blocks only. This parameter - determines the size of such carriers. - - sbmbct ]]> - - Small block multiblock carrier threshold (in bytes). Memory blocks - smaller than this threshold will be placed in multiblock carriers - used for small blocks only. - smbcs ]]> Smallest (mseg_alloc) multiblock carrier size (in diff --git a/erts/emulator/beam/erl_afit_alloc.c b/erts/emulator/beam/erl_afit_alloc.c index 608a4dd26d..84aab68f7d 100644 --- a/erts/emulator/beam/erl_afit_alloc.c +++ b/erts/emulator/beam/erl_afit_alloc.c @@ -84,8 +84,6 @@ erts_afalc_start(AFAllctr_t *afallctr, sys_memcpy((void *) afallctr, (void *) &zero.allctr, sizeof(AFAllctr_t)); - init->sbmbct = 0; /* Small mbc not supported by afit */ - allctr->mbc_header_size = sizeof(Carrier_t); allctr->min_mbc_size = MIN_MBC_SZ; allctr->min_mbc_first_free_size = MIN_MBC_FIRST_FREE_SZ; diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c index cb69be33ad..d45cd48623 100644 --- a/erts/emulator/beam/erl_alloc.c +++ b/erts/emulator/beam/erl_alloc.c @@ -101,11 +101,9 @@ typedef union { char align_aoffa[ERTS_ALC_CACHE_LINE_ALIGN_SIZE(sizeof(AOFFAllctr_t))]; } ErtsAllocatorState_t; -static ErtsAllocatorState_t sbmbc_alloc_state; static ErtsAllocatorState_t std_alloc_state; static ErtsAllocatorState_t ll_alloc_state; #if HALFWORD_HEAP -static ErtsAllocatorState_t sbmbc_low_alloc_state; static ErtsAllocatorState_t std_low_alloc_state; static ErtsAllocatorState_t ll_low_alloc_state; #endif @@ -200,7 +198,6 @@ typedef struct { char *mtrace; char *nodename; } instr; - struct au_init sbmbc_alloc; struct au_init sl_alloc; struct au_init std_alloc; struct au_init ll_alloc; @@ -211,7 +208,6 @@ typedef struct { struct au_init driver_alloc; struct au_init fix_alloc; #if HALFWORD_HEAP - struct au_init sbmbc_low_alloc; struct au_init std_low_alloc; struct au_init ll_low_alloc; #endif @@ -225,34 +221,6 @@ do { \ sys_memcpy((void *) (IP), (void *) &aui__, sizeof(struct au_init)); \ } while (0) -static void -set_default_sbmbc_alloc_opts(struct au_init *ip) -{ - SET_DEFAULT_ALLOC_OPTS(ip); - ip->enable = 0; - ip->thr_spec = 0; - ip->atype = BESTFIT; - ip->init.bf.ao = 1; - ip->init.util.ramv = 0; - ip->init.util.mmsbc = 0; - ip->init.util.mmmbc = 500; - ip->init.util.sbct = ~((UWord) 0); - ip->init.util.name_prefix = "sbmbc_"; - ip->init.util.alloc_no = ERTS_ALC_A_SBMBC; -#ifndef SMALL_MEMORY - ip->init.util.mmbcs = 2*1024*1024; /* Main carrier size */ -#else - ip->init.util.mmbcs = 1*1024*1024; /* Main carrier size */ -#endif - ip->init.util.ts = ERTS_ALC_MTA_SBMBC; - ip->init.util.asbcst = 0; - ip->init.util.rsbcst = 0; - ip->init.util.rsbcmt = 0; - ip->init.util.rmbcmt = 0; - ip->init.util.sbmbct = 0; - ip->init.util.sbmbcs = 0; -} - static void set_default_sl_alloc_opts(struct au_init *ip) { @@ -319,8 +287,6 @@ set_default_ll_alloc_opts(struct au_init *ip) ip->init.util.rsbcst = 0; ip->init.util.rsbcmt = 0; ip->init.util.rmbcmt = 0; - ip->init.util.sbmbct = 0; - ip->init.util.sbmbcs = 0; } static void @@ -565,7 +531,6 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop) hdbg_init(); #endif - erts_have_sbmbc_alloc = 0; ncpu = eaiop->ncpu; if (ncpu < 1) ncpu = 1; @@ -575,7 +540,6 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop) erts_sys_alloc_init(); erts_init_utils_mem(); - set_default_sbmbc_alloc_opts(&init.sbmbc_alloc); set_default_sl_alloc_opts(&init.sl_alloc); set_default_std_alloc_opts(&init.std_alloc); set_default_ll_alloc_opts(&init.ll_alloc); @@ -591,7 +555,6 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop) handle_args(argc, argv, &init); #ifndef ERTS_SMP - init.sbmbc_alloc.thr_spec = 0; init.sl_alloc.thr_spec = 0; init.std_alloc.thr_spec = 0; init.ll_alloc.thr_spec = 0; @@ -604,7 +567,6 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop) if (init.erts_alloc_config) { /* Adjust flags that erts_alloc_config won't like */ - init.sbmbc_alloc.thr_spec = 0; init.temp_alloc.thr_spec = 0; init.sl_alloc.thr_spec = 0; init.std_alloc.thr_spec = 0; @@ -622,7 +584,6 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop) init.temp_alloc.thr_spec = erts_no_schedulers; /* Others must use thread preferred interface */ - adjust_tpref(&init.sbmbc_alloc, erts_no_schedulers); adjust_tpref(&init.sl_alloc, erts_no_schedulers); adjust_tpref(&init.std_alloc, erts_no_schedulers); adjust_tpref(&init.ll_alloc, erts_no_schedulers); @@ -641,7 +602,6 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop) * The following allocators cannot be run with afit strategy. * Make sure they don't... */ - refuse_af_strategy(&init.sbmbc_alloc); refuse_af_strategy(&init.sl_alloc); refuse_af_strategy(&init.std_alloc); refuse_af_strategy(&init.ll_alloc); @@ -685,11 +645,6 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop) #if HALFWORD_HEAP /* Init low memory variants by cloning */ - init.sbmbc_low_alloc = init.sbmbc_alloc; - init.sbmbc_low_alloc.init.util.name_prefix = "sbmbc_low_"; - init.sbmbc_low_alloc.init.util.alloc_no = ERTS_ALC_A_SBMBC_LOW; - init.sbmbc_low_alloc.init.util.low_mem = 1; - init.std_low_alloc = init.std_alloc; init.std_low_alloc.init.util.name_prefix = "std_low_"; init.std_low_alloc.init.util.alloc_no = ERTS_ALC_A_STANDARD_LOW; @@ -702,13 +657,11 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop) init.ll_low_alloc.init.util.force = 1; init.ll_low_alloc.init.util.low_mem = 1; - set_au_allocator(ERTS_ALC_A_SBMBC_LOW, &init.sbmbc_low_alloc, ncpu); set_au_allocator(ERTS_ALC_A_STANDARD_LOW, &init.std_low_alloc, ncpu); set_au_allocator(ERTS_ALC_A_LONG_LIVED_LOW, &init.ll_low_alloc, ncpu); #endif /* HALFWORD */ set_au_allocator(ERTS_ALC_A_TEMPORARY, &init.temp_alloc, ncpu); - set_au_allocator(ERTS_ALC_A_SBMBC, &init.sbmbc_alloc, ncpu); set_au_allocator(ERTS_ALC_A_SHORT_LIVED, &init.sl_alloc, ncpu); set_au_allocator(ERTS_ALC_A_STANDARD, &init.std_alloc, ncpu); set_au_allocator(ERTS_ALC_A_LONG_LIVED, &init.ll_alloc, ncpu); @@ -735,20 +688,6 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop) erts_mtrace_init(init.instr.mtrace, init.instr.nodename); - /* sbmbc_alloc() needs to be started first */ - start_au_allocator(ERTS_ALC_A_SBMBC, - &init.sbmbc_alloc, - &sbmbc_alloc_state); -#if HALFWORD_HEAP - start_au_allocator(ERTS_ALC_A_SBMBC_LOW, - &init.sbmbc_low_alloc, - &sbmbc_low_alloc_state); - erts_have_sbmbc_alloc = (init.sbmbc_alloc.enable - && init.sbmbc_low_alloc.enable); -#else - erts_have_sbmbc_alloc = init.sbmbc_alloc.enable; -#endif - start_au_allocator(ERTS_ALC_A_TEMPORARY, &init.temp_alloc, &temp_alloc_state); @@ -1138,6 +1077,7 @@ get_kb_value(char *param_end, char** argv, int* ip) return ((Uint) tmp)*1024; } +#if 0 static Uint get_byte_value(char *param_end, char** argv, int* ip) { @@ -1151,6 +1091,7 @@ get_byte_value(char *param_end, char** argv, int* ip) bad_value(param, param_end, value); return (Uint) tmp; } +#endif static Uint get_amount_value(char *param_end, char** argv, int* ip) @@ -1212,11 +1153,6 @@ handle_au_arg(struct au_init *auip, break; case 'e': auip->enable = get_bool_value(sub_param+1, argv, ip); -#if !HAVE_ERTS_SBMBC - if (auip->init.util.alloc_no == ERTS_ALC_A_SBMBC) { - auip->enable = 0; - } -#endif break; case 'l': if (has_prefix("lmbcs", sub_param)) { @@ -1276,18 +1212,6 @@ handle_au_arg(struct au_init *auip, if(has_prefix("sbct", sub_param)) { auip->init.util.sbct = get_kb_value(sub_param + 4, argv, ip); } - else if (has_prefix("sbmbcs", sub_param)) { -#if HAVE_ERTS_SBMBC - auip->init.util.sbmbcs = -#endif - get_byte_value(sub_param + 6, argv, ip); - } - else if (has_prefix("sbmbct", sub_param)) { -#if HAVE_ERTS_SBMBC - auip->init.util.sbmbct = -#endif - get_byte_value(sub_param + 6, argv, ip); - } else if (has_prefix("smbcs", sub_param)) { auip->default_.smbcs = 0; auip->init.util.smbcs = get_kb_value(sub_param + 5, argv, ip); @@ -1317,7 +1241,6 @@ static void handle_args(int *argc, char **argv, erts_alc_hndl_args_init_t *init) { struct au_init *aui[] = { - &init->sbmbc_alloc, &init->binary_alloc, &init->std_alloc, &init->ets_alloc, @@ -1346,9 +1269,6 @@ handle_args(int *argc, char **argv, erts_alc_hndl_args_init_t *init) case 'B': handle_au_arg(&init->binary_alloc, &argv[i][3], argv, &i); break; - case 'C': - handle_au_arg(&init->sbmbc_alloc, &argv[i][3], argv, &i); - break; case 'D': handle_au_arg(&init->std_alloc, &argv[i][3], argv, &i); break; @@ -1453,9 +1373,6 @@ handle_args(int *argc, char **argv, erts_alc_hndl_args_init_t *init) else if (strcmp("max", arg) == 0) { for (a = 0; a < aui_sz; a++) aui[a]->enable = 1; -#if !HAVE_ERTS_SBMBC - init->sbmbc_alloc.enable = 0; -#endif } else if (strcmp("config", arg) == 0) { init->erts_alloc_config = 1; @@ -2093,15 +2010,11 @@ erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg) return am_badarg; } - /* All alloc_util allocators except sbmbc_alloc *have* to be enabled */ + /* All alloc_util allocators *have* to be enabled */ for (ai = ERTS_ALC_A_MIN; ai <= ERTS_ALC_A_MAX; ai++) { switch (ai) { case ERTS_ALC_A_SYSTEM: - case ERTS_ALC_A_SBMBC: -#if HALFWORD_HEAP - case ERTS_ALC_A_SBMBC_LOW: -#endif break; default: if (!erts_allctrs_info[ai].enabled @@ -2141,12 +2054,6 @@ erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg) * Often not thread safe and usually never * contain any allocated memory. */ - case ERTS_ALC_A_SBMBC: - /* Included in other allocators */ -#if HALFWORD_HEAP - case ERTS_ALC_A_SBMBC_LOW: - /* Included in other allocators */ -#endif continue; case ERTS_ALC_A_EHEAP: save = &size.processes; @@ -3278,7 +3185,6 @@ UWord erts_alc_test(UWord op, UWord a1, UWord a2, UWord a3) init.atype = GOODFIT; init.init.util.name_prefix = (char *) a1; init.init.util.ts = a2 ? 1 : 0; - init.init.util.sbmbct = 0; if ((char **) a3) { char **argv = (char **) a3; diff --git a/erts/emulator/beam/erl_alloc.h b/erts/emulator/beam/erl_alloc.h index 9cafd8ddc8..8c80cbb4cc 100644 --- a/erts/emulator/beam/erl_alloc.h +++ b/erts/emulator/beam/erl_alloc.h @@ -100,14 +100,6 @@ UWord erts_alc_test(UWord, #define ERTS_ALC_MIN_LONG_LIVED_TIME (10*60*1000) -#if HALFWORD_HEAP -#define ERTS_IS_SBMBC_ALLOCATOR_NO__(NO) \ - ((NO) == ERTS_ALC_A_SBMBC || (NO) == ERTS_ALC_A_SBMBC_LOW) -#else -#define ERTS_IS_SBMBC_ALLOCATOR_NO__(NO) \ - ((NO) == ERTS_ALC_A_SBMBC) -#endif - typedef struct { int alloc_util; int enabled; diff --git a/erts/emulator/beam/erl_alloc.types b/erts/emulator/beam/erl_alloc.types index f913525726..095ad24387 100644 --- a/erts/emulator/beam/erl_alloc.types +++ b/erts/emulator/beam/erl_alloc.types @@ -76,11 +76,6 @@ allocator SYSTEM true sys_alloc -allocator SBMBC true sbmbc_alloc -+if halfword -allocator SBMBC_LOW true sbmbc_low_alloc -+endif - +if smp allocator TEMPORARY true temp_alloc @@ -146,7 +141,6 @@ class SYSTEM system_data # # -type SBMBC SBMBC SYSTEM small_block_mbc type PROC FIXED_SIZE PROCESSES proc type PORT DRIVER SYSTEM port type ATOM LONG_LIVED ATOM atom_entry @@ -351,7 +345,6 @@ type SSB SHORT_LIVED PROCESSES ssb +if halfword -type SBMBC_LOW SBMBC_LOW SYSTEM small_block_mbc_low type DDLL_PROCESS STANDARD_LOW SYSTEM ddll_processes type MONITOR_LH STANDARD_LOW PROCESSES monitor_lh type NLINK_LH STANDARD_LOW PROCESSES nlink_lh diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index 67cc4ae62a..67d973d07c 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -74,8 +74,6 @@ static int atoms_initialized = 0; static int initialized = 0; -int erts_have_sbmbc_alloc; - #define INV_SYS_ALLOC_CARRIER_MASK ((UWord) (sys_alloc_carrier_size - 1)) #define SYS_ALLOC_CARRIER_MASK (~INV_SYS_ALLOC_CARRIER_MASK) @@ -370,11 +368,7 @@ static void check_blk_carrier(Allctr_t *, Block_t *); ASSERT(((AP)->mbcs.curr.norm.sys_alloc.no \ && (AP)->mbcs.curr.norm.sys_alloc.size) \ || (!(AP)->mbcs.curr.norm.sys_alloc.no \ - && !(AP)->mbcs.curr.norm.sys_alloc.size)); \ - ASSERT(((AP)->sbmbcs.curr.small_block.no \ - && (AP)->sbmbcs.curr.small_block.size) \ - || (!(AP)->sbmbcs.curr.small_block.no \ - && !(AP)->sbmbcs.curr.small_block.size)) + && !(AP)->mbcs.curr.norm.sys_alloc.size)); #else #define DEBUG_CHECK_CARRIER_NO_SZ(AP) @@ -445,17 +439,6 @@ do { \ + (AP)->mbcs.curr.norm.sys_alloc.size) -#define STAT_SBMBC_ALLOC(AP, CSZ) \ -do { \ - (AP)->sbmbcs.curr.small_block.no++; \ - (AP)->sbmbcs.curr.small_block.size += (CSZ); \ - if ((AP)->sbmbcs.max.no < (AP)->sbmbcs.curr.small_block.no) \ - (AP)->sbmbcs.max.no = (AP)->sbmbcs.curr.small_block.no; \ - if ((AP)->sbmbcs.max.size < (AP)->sbmbcs.curr.small_block.size) \ - (AP)->sbmbcs.max.size = (AP)->sbmbcs.curr.small_block.size; \ - DEBUG_CHECK_CARRIER_NO_SZ((AP)); \ -} while (0) - #define STAT_MSEG_MBC_ALLOC(AP, CSZ) \ do { \ (AP)->mbcs.curr.norm.mseg.no++; \ @@ -472,15 +455,6 @@ do { \ DEBUG_CHECK_CARRIER_NO_SZ((AP)); \ } while (0) -#define STAT_SBMBC_FREE(AP, CSZ) \ -do { \ - ASSERT((AP)->sbmbcs.curr.small_block.no > 0); \ - (AP)->sbmbcs.curr.small_block.no--; \ - ASSERT((AP)->sbmbcs.curr.small_block.size >= (CSZ)); \ - (AP)->sbmbcs.curr.small_block.size -= (CSZ); \ - DEBUG_CHECK_CARRIER_NO_SZ((AP)); \ -} while (0) - #define STAT_MSEG_MBC_FREE(AP, CSZ) \ do { \ ASSERT((AP)->mbcs.curr.norm.mseg.no > 0); \ @@ -501,9 +475,7 @@ do { \ #define STAT_MBC_BLK_ALLOC(AP, BSZ, FLGS) \ do { \ - CarriersStats_t *cstats__ = (((FLGS) & ERTS_ALCU_FLG_SBMBC) \ - ? &(AP)->sbmbcs \ - : &(AP)->mbcs); \ + CarriersStats_t *cstats__ = &(AP)->mbcs; \ cstats__->blocks.curr.no++; \ if (cstats__->blocks.max.no < cstats__->blocks.curr.no) \ cstats__->blocks.max.no = cstats__->blocks.curr.no; \ @@ -514,9 +486,7 @@ do { \ #define STAT_MBC_BLK_FREE(AP, BSZ, FLGS) \ do { \ - CarriersStats_t *cstats__ = (((FLGS) & ERTS_ALCU_FLG_SBMBC) \ - ? &(AP)->sbmbcs \ - : &(AP)->mbcs); \ + CarriersStats_t *cstats__ = &(AP)->mbcs; \ ASSERT(cstats__->blocks.curr.no > 0); \ cstats__->blocks.curr.no--; \ ASSERT(cstats__->blocks.curr.size >= (BSZ)); \ @@ -739,8 +709,6 @@ unlink_carrier(CarrierList_t *cl, Carrier_t *crr) } } -static Block_t *create_sbmbc(Allctr_t *allctr, Uint umem_sz); -static void destroy_sbmbc(Allctr_t *allctr, Block_t *blk); static Block_t *create_carrier(Allctr_t *, Uint, UWord); static void destroy_carrier(Allctr_t *, Block_t *); @@ -1246,25 +1214,12 @@ mbc_alloc_block(Allctr_t *allctr, Uint size, Uint *blk_szp, Uint32 *alcu_flgsp) { Block_t *blk; Uint get_blk_sz; - Uint sbmbct; ASSERT(size); ASSERT(size < allctr->sbc_threshold); *blk_szp = get_blk_sz = UMEMSZ2BLKSZ(allctr, size); - sbmbct = allctr->sbmbc_threshold; - if (sbmbct) { - if (get_blk_sz < sbmbct) { - *alcu_flgsp |= ERTS_ALCU_FLG_SBMBC; - if (get_blk_sz + allctr->min_block_size > sbmbct) { - /* Since we use block size to determine if blocks are - located in sbmbc or not... */ - get_blk_sz += allctr->min_block_size; - } - } - } - #ifdef ERTS_SMP if (allctr->dd.use) ERTS_ALCU_HANDLE_DD_IN_OP(allctr, 1); @@ -1281,22 +1236,18 @@ mbc_alloc_block(Allctr_t *allctr, Uint size, Uint *blk_szp, Uint32 *alcu_flgsp) #endif if (!blk) { - if ((*alcu_flgsp) & ERTS_ALCU_FLG_SBMBC) - blk = create_sbmbc(allctr, get_blk_sz); - else { - blk = create_carrier(allctr, get_blk_sz, CFLG_MBC); + blk = create_carrier(allctr, get_blk_sz, CFLG_MBC); #if !HALFWORD_HEAP && !HAVE_SUPER_ALIGNED_MB_CARRIERS - if (!blk) { - /* Emergency! We couldn't create the carrier as we wanted. - Try to place it in a sys_alloced sbc. */ - blk = create_carrier(allctr, - size, - (CFLG_SBC - | CFLG_FORCE_SIZE - | CFLG_FORCE_SYS_ALLOC)); - } -#endif + if (!blk) { + /* Emergency! We couldn't create the carrier as we wanted. + Try to place it in a sys_alloced sbc. */ + blk = create_carrier(allctr, + size, + (CFLG_SBC + | CFLG_FORCE_SIZE + | CFLG_FORCE_SYS_ALLOC)); } +#endif } #ifdef ERTS_ALLOC_UTIL_HARD_DEBUG @@ -1442,8 +1393,6 @@ mbc_free(Allctr_t *allctr, void *p) blk = UMEM2BLK(p); blk_sz = MBC_ABLK_SZ(blk); - if (blk_sz < allctr->sbmbc_threshold) - alcu_flgs |= ERTS_ALCU_FLG_SBMBC; ASSERT(IS_MBC_BLK(blk)); ASSERT(blk_sz >= allctr->min_block_size); @@ -1508,10 +1457,7 @@ mbc_free(Allctr_t *allctr, void *p) if (is_first_blk && is_last_blk && allctr->main_carrier != FIRST_BLK_TO_MBC(allctr, blk)) { - if (alcu_flgs & ERTS_ALCU_FLG_SBMBC) - destroy_sbmbc(allctr, blk); - else - destroy_carrier(allctr, blk); + destroy_carrier(allctr, blk); } else { (*allctr->link_free_block)(allctr, blk, alcu_flgs); @@ -1553,12 +1499,6 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) return NULL; #else /* !MBC_REALLOC_ALWAYS_MOVES */ get_blk_sz = blk_sz = UMEMSZ2BLKSZ(allctr, size); - if ((alcu_flgs & ERTS_ALCU_FLG_SBMBC) - && (blk_sz + allctr->min_block_size > allctr->sbmbc_threshold)) { - /* Since we use block size to determine if blocks are - located in sbmbc or not... */ - get_blk_sz = blk_sz + allctr->min_block_size; - } ASSERT(IS_ALLOCED_BLK(blk)); ASSERT(IS_MBC_BLK(blk)); @@ -1931,81 +1871,6 @@ static void CHECK_1BLK_CARRIER(Allctr_t* A, int SBC, int MSEGED, Carrier_t* C, #define CHECK_1BLK_CARRIER(A, SBC, MSEGED, C, CSZ, B, BSZ) #endif -static Block_t * -create_sbmbc(Allctr_t *allctr, Uint umem_sz) -{ - Block_t *blk; - Uint blk_sz; - Uint crr_sz = allctr->sbmbc_size; - Carrier_t *crr; - -#if HALFWORD_HEAP - if (allctr->mseg_opt.low_mem) - crr = erts_alloc(ERTS_ALC_T_SBMBC_LOW, crr_sz); - else -#endif - crr = erts_alloc(ERTS_ALC_T_SBMBC, crr_sz); - - INC_CC(allctr->calls.sbmbc_alloc); - SET_CARRIER_HDR(crr, crr_sz, SCH_SYS_ALLOC|SCH_MBC, allctr); - - blk = MBC_TO_FIRST_BLK(allctr, crr); - - blk_sz = UNIT_FLOOR(crr_sz - MBC_HEADER_SIZE(allctr)); - - SET_MBC_FBLK_HDR(blk, blk_sz, SBH_THIS_FREE|SBH_LAST_BLK, crr); - - link_carrier(&allctr->sbmbc_list, crr); - - STAT_SBMBC_ALLOC(allctr, crr_sz); - CHECK_1BLK_CARRIER(allctr, 0, 0, crr, crr_sz, blk, blk_sz); - if (allctr->creating_mbc) - (*allctr->creating_mbc)(allctr, crr, ERTS_ALCU_FLG_SBMBC); - - DEBUG_SAVE_ALIGNMENT(crr); - return blk; -} - -static void -destroy_sbmbc(Allctr_t *allctr, Block_t *blk) -{ - Uint crr_sz; - Carrier_t *crr; - - ASSERT(IS_MBC_BLK(blk)); - ASSERT(IS_MBC_FIRST_FBLK(allctr, blk)); - - crr = FIRST_BLK_TO_MBC(allctr, blk); - crr_sz = CARRIER_SZ(crr); - -#ifdef DEBUG - if (!allctr->stopped) { - ASSERT(IS_LAST_BLK(blk)); - -#ifdef ERTS_ALLOC_UTIL_HARD_DEBUG - (*allctr->link_free_block)(allctr, blk, ERTS_ALCU_FLG_SBMBC); - HARD_CHECK_BLK_CARRIER(allctr, blk); - (*allctr->unlink_free_block)(allctr, blk, ERTS_ALCU_FLG_SBMBC); -#endif - } -#endif - - STAT_SBMBC_FREE(allctr, crr_sz); - - unlink_carrier(&allctr->sbmbc_list, crr); - if (allctr->destroying_mbc) - (*allctr->destroying_mbc)(allctr, crr, ERTS_ALCU_FLG_SBMBC); - - INC_CC(allctr->calls.sbmbc_free); - -#if HALFWORD_HEAP - if (allctr->mseg_opt.low_mem) - erts_free(ERTS_ALC_T_SBMBC_LOW, crr); - else -#endif - erts_free(ERTS_ALC_T_SBMBC, crr); -} - static Block_t * create_carrier(Allctr_t *allctr, Uint umem_sz, UWord flags) { @@ -2415,16 +2280,12 @@ static struct { Eterm lmbcs; Eterm smbcs; Eterm mbcgs; - Eterm sbmbcs; - Eterm sbmbct; #if HAVE_ERTS_MSEG Eterm mmc; #endif Eterm ycs; - /* Eterm sbmbcs; */ - Eterm fix_types; Eterm mbcs; @@ -2452,8 +2313,6 @@ static struct { Eterm mseg_dealloc; Eterm mseg_realloc; #endif - Eterm sbmbc_alloc; - Eterm sbmbc_free; #ifdef DEBUG Eterm end_of_atoms; #endif @@ -2509,16 +2368,12 @@ init_atoms(Allctr_t *allctr) AM_INIT(lmbcs); AM_INIT(smbcs); AM_INIT(mbcgs); - AM_INIT(sbmbcs); - AM_INIT(sbmbct); #if HAVE_ERTS_MSEG AM_INIT(mmc); #endif AM_INIT(ycs); - /*AM_INIT(sbmbcs);*/ - AM_INIT(fix_types); AM_INIT(mbcs); @@ -2546,8 +2401,6 @@ init_atoms(Allctr_t *allctr) AM_INIT(mseg_dealloc); AM_INIT(mseg_realloc); #endif - AM_INIT(sbmbc_free); - AM_INIT(sbmbc_alloc); #ifdef DEBUG for (atom = (Eterm *) &am; atom < &am.end_of_atoms; atom++) { @@ -2685,9 +2538,7 @@ sz_info_carriers(Allctr_t *allctr, Uint *szp) { Eterm res = THE_NON_VALUE; - Uint curr_size = (cs == &allctr->sbmbcs - ? cs->curr.small_block.size - : cs->curr.norm.mseg.size + cs->curr.norm.sys_alloc.size); + Uint curr_size = cs->curr.norm.mseg.size + cs->curr.norm.sys_alloc.size; if (print_to_p) { int to = *print_to_p; @@ -2736,16 +2587,9 @@ info_carriers(Allctr_t *allctr, { Eterm res = THE_NON_VALUE; Uint curr_no, curr_size; - int small_block = cs == &allctr->sbmbcs; - - if (small_block) { - curr_no = cs->curr.small_block.no; - curr_size = cs->curr.small_block.size; - } - else { - curr_no = cs->curr.norm.mseg.no + cs->curr.norm.sys_alloc.no; - curr_size = cs->curr.norm.mseg.size + cs->curr.norm.sys_alloc.size; - } + + curr_no = cs->curr.norm.mseg.no + cs->curr.norm.sys_alloc.no; + curr_size = cs->curr.norm.mseg.size + cs->curr.norm.sys_alloc.size; if (print_to_p) { int to = *print_to_p; @@ -2771,20 +2615,18 @@ info_carriers(Allctr_t *allctr, curr_no, cs->max.no, cs->max_ever.no); - if (!small_block) { #if HAVE_ERTS_MSEG - erts_print(to, - arg, - "%smseg carriers: %bpu\n", - prefix, - cs->curr.norm.mseg.no); + erts_print(to, + arg, + "%smseg carriers: %bpu\n", + prefix, + cs->curr.norm.mseg.no); #endif - erts_print(to, - arg, - "%ssys_alloc carriers: %bpu\n", - prefix, - cs->curr.norm.sys_alloc.no); - } + erts_print(to, + arg, + "%ssys_alloc carriers: %bpu\n", + prefix, + cs->curr.norm.sys_alloc.no); erts_print(to, arg, "%scarriers size: %beu %bpu %bpu\n", @@ -2792,49 +2634,43 @@ info_carriers(Allctr_t *allctr, curr_size, cs->max.size, cs->max_ever.size); - if (!small_block) { #if HAVE_ERTS_MSEG - erts_print(to, - arg, - "%smseg carriers size: %bpu\n", - prefix, - cs->curr.norm.mseg.size); + erts_print(to, + arg, + "%smseg carriers size: %bpu\n", + prefix, + cs->curr.norm.mseg.size); #endif - erts_print(to, - arg, - "%ssys_alloc carriers size: %bpu\n", - prefix, - cs->curr.norm.sys_alloc.size); - } + erts_print(to, + arg, + "%ssys_alloc carriers size: %bpu\n", + prefix, + cs->curr.norm.sys_alloc.size); } if (hpp || szp) { res = NIL; - if (!small_block) { - add_2tup(hpp, szp, &res, - am.sys_alloc_carriers_size, - bld_unstable_uint(hpp, szp, cs->curr.norm.sys_alloc.size)); + add_2tup(hpp, szp, &res, + am.sys_alloc_carriers_size, + bld_unstable_uint(hpp, szp, cs->curr.norm.sys_alloc.size)); #if HAVE_ERTS_MSEG - add_2tup(hpp, szp, &res, - am.mseg_alloc_carriers_size, - bld_unstable_uint(hpp, szp, cs->curr.norm.mseg.size)); + add_2tup(hpp, szp, &res, + am.mseg_alloc_carriers_size, + bld_unstable_uint(hpp, szp, cs->curr.norm.mseg.size)); #endif - } add_4tup(hpp, szp, &res, am.carriers_size, bld_unstable_uint(hpp, szp, curr_size), bld_unstable_uint(hpp, szp, cs->max.size), bld_unstable_uint(hpp, szp, cs->max_ever.size)); - if (!small_block) { - add_2tup(hpp, szp, &res, - am.sys_alloc_carriers, - bld_unstable_uint(hpp, szp, cs->curr.norm.sys_alloc.no)); + add_2tup(hpp, szp, &res, + am.sys_alloc_carriers, + bld_unstable_uint(hpp, szp, cs->curr.norm.sys_alloc.no)); #if HAVE_ERTS_MSEG - add_2tup(hpp, szp, &res, - am.mseg_alloc_carriers, - bld_unstable_uint(hpp, szp, cs->curr.norm.mseg.no)); + add_2tup(hpp, szp, &res, + am.mseg_alloc_carriers, + bld_unstable_uint(hpp, szp, cs->curr.norm.mseg.no)); #endif - } add_4tup(hpp, szp, &res, am.carriers, bld_unstable_uint(hpp, szp, curr_no), @@ -2912,9 +2748,6 @@ info_calls(Allctr_t *allctr, PRINT_CC_5(to, arg, prefix, "free", allctr->calls.this_free); PRINT_CC_5(to, arg, prefix, "realloc", allctr->calls.this_realloc); - PRINT_CC_4(to, arg, "sbmbc_alloc", allctr->calls.sbmbc_alloc); - PRINT_CC_4(to, arg, "sbmbc_free", allctr->calls.sbmbc_free); - #if HAVE_ERTS_MSEG PRINT_CC_4(to, arg, "mseg_alloc", allctr->calls.mseg_alloc); PRINT_CC_4(to, arg, "mseg_dealloc", allctr->calls.mseg_dealloc); @@ -2965,14 +2798,6 @@ info_calls(Allctr_t *allctr, bld_unstable_uint(hpp, szp, allctr->calls.mseg_alloc.giga_no), bld_unstable_uint(hpp, szp, allctr->calls.mseg_alloc.no)); #endif - add_3tup(hpp, szp, &res, - am.sbmbc_free, - bld_unstable_uint(hpp, szp, allctr->calls.sbmbc_free.giga_no), - bld_unstable_uint(hpp, szp, allctr->calls.sbmbc_free.no)); - add_3tup(hpp, szp, &res, - am.sbmbc_alloc, - bld_unstable_uint(hpp, szp, allctr->calls.sbmbc_alloc.giga_no), - bld_unstable_uint(hpp, szp, allctr->calls.sbmbc_alloc.no)); add_3tup(hpp, szp, &res, allctr->name.realloc, bld_unstable_uint(hpp, szp, allctr->calls.this_realloc.giga_no), @@ -3037,9 +2862,7 @@ info_options(Allctr_t *allctr, #endif "option lmbcs: %beu\n" "option smbcs: %beu\n" - "option mbcgs: %beu\n" - "option sbmbcs: %beu\n" - "option sbmbct: %beu\n", + "option mbcgs: %beu\n", topt, allctr->ramv ? "true" : "false", #if HALFWORD_HEAP @@ -3059,21 +2882,13 @@ info_options(Allctr_t *allctr, #endif allctr->largest_mbc_size, allctr->smallest_mbc_size, - allctr->mbc_growth_stages, - allctr->sbmbc_size, - allctr->sbmbc_threshold); + allctr->mbc_growth_stages); } res = (*allctr->info_options)(allctr, "option ", print_to_p, print_to_arg, hpp, szp); if (hpp || szp) { - add_2tup(hpp, szp, &res, - am.sbmbct, - bld_uint(hpp, szp, allctr->sbmbc_threshold)); - add_2tup(hpp, szp, &res, - am.sbmbcs, - bld_uint(hpp, szp, allctr->sbmbc_size)); add_2tup(hpp, szp, &res, am.mbcgs, bld_uint(hpp, szp, allctr->mbc_growth_stages)); @@ -3225,7 +3040,7 @@ erts_alcu_sz_info(Allctr_t *allctr, Uint **hpp, Uint *szp) { - Eterm res, sbmbcs, mbcs, sbcs, fix = THE_NON_VALUE; + Eterm res, mbcs, sbcs, fix = THE_NON_VALUE; res = THE_NON_VALUE; @@ -3254,14 +3069,11 @@ erts_alcu_sz_info(Allctr_t *allctr, = allctr->sbcs.curr.norm.mseg.no + allctr->sbcs.curr.norm.sys_alloc.no; allctr->sbcs.blocks.max.no = allctr->sbcs.max.no; - update_max_ever_values(&allctr->sbmbcs); update_max_ever_values(&allctr->mbcs); update_max_ever_values(&allctr->sbcs); if (allctr->fix) fix = sz_info_fix(allctr, print_to_p, print_to_arg, hpp, szp); - sbmbcs = sz_info_carriers(allctr, &allctr->sbmbcs, "sbmbcs ", print_to_p, - print_to_arg, hpp, szp); mbcs = sz_info_carriers(allctr, &allctr->mbcs, "mbcs ", print_to_p, print_to_arg, hpp, szp); sbcs = sz_info_carriers(allctr, &allctr->sbcs, "sbcs ", print_to_p, @@ -3271,13 +3083,11 @@ erts_alcu_sz_info(Allctr_t *allctr, res = NIL; add_2tup(hpp, szp, &res, am.sbcs, sbcs); add_2tup(hpp, szp, &res, am.mbcs, mbcs); - add_2tup(hpp, szp, &res, am.sbmbcs, sbmbcs); if (allctr->fix) add_2tup(hpp, szp, &res, am.fix_types, fix); } if (begin_max_period) { - reset_max_values(&allctr->sbmbcs); reset_max_values(&allctr->mbcs); reset_max_values(&allctr->sbcs); } @@ -3302,7 +3112,7 @@ erts_alcu_info(Allctr_t *allctr, Uint **hpp, Uint *szp) { - Eterm res, sett, sbmbcs, mbcs, sbcs, calls, fix = THE_NON_VALUE; + Eterm res, sett, mbcs, sbcs, calls, fix = THE_NON_VALUE; res = THE_NON_VALUE; @@ -3331,7 +3141,6 @@ erts_alcu_info(Allctr_t *allctr, = allctr->sbcs.curr.norm.mseg.no + allctr->sbcs.curr.norm.sys_alloc.no; allctr->sbcs.blocks.max.no = allctr->sbcs.max.no; - update_max_ever_values(&allctr->sbmbcs); update_max_ever_values(&allctr->mbcs); update_max_ever_values(&allctr->sbcs); @@ -3346,8 +3155,6 @@ erts_alcu_info(Allctr_t *allctr, sett = info_options(allctr, print_to_p, print_to_arg, hpp, szp); if (allctr->fix) fix = sz_info_fix(allctr, print_to_p, print_to_arg, hpp, szp); - sbmbcs = info_carriers(allctr, &allctr->sbmbcs, "sbmbcs ", print_to_p, - print_to_arg, hpp, szp); mbcs = info_carriers(allctr, &allctr->mbcs, "mbcs ", print_to_p, print_to_arg, hpp, szp); sbcs = info_carriers(allctr, &allctr->sbcs, "sbcs ", print_to_p, @@ -3360,7 +3167,6 @@ erts_alcu_info(Allctr_t *allctr, add_2tup(hpp, szp, &res, am.calls, calls); add_2tup(hpp, szp, &res, am.sbcs, sbcs); add_2tup(hpp, szp, &res, am.mbcs, mbcs); - add_2tup(hpp, szp, &res, am.sbmbcs, sbmbcs); if (allctr->fix) add_2tup(hpp, szp, &res, am.fix_types, fix); add_2tup(hpp, szp, &res, am.options, sett); @@ -3371,7 +3177,6 @@ erts_alcu_info(Allctr_t *allctr, } if (begin_max_period) { - reset_max_values(&allctr->sbmbcs); reset_max_values(&allctr->mbcs); reset_max_values(&allctr->sbcs); } @@ -3399,12 +3204,10 @@ erts_alcu_current_size(Allctr_t *allctr, AllctrSize_t *size, ErtsAlcUFixInfo_t * size->carriers = allctr->mbcs.curr.norm.mseg.size; size->carriers += allctr->mbcs.curr.norm.sys_alloc.size; - size->carriers += allctr->sbmbcs.curr.small_block.size; size->carriers += allctr->sbcs.curr.norm.mseg.size; size->carriers += allctr->sbcs.curr.norm.sys_alloc.size; size->blocks = allctr->mbcs.blocks.curr.size; - size->blocks += allctr->sbmbcs.blocks.curr.size; size->blocks += allctr->sbcs.blocks.curr.size; if (fi) { @@ -3762,29 +3565,6 @@ do_erts_alcu_realloc(ErtsAlcType_t type, blk = UMEM2BLK(p); - if (allctr->sbmbc_threshold > 0) { - Uint old_sz, new_sz, lim; - lim = allctr->sbmbc_threshold; - old_sz = BLK_SZ(blk); - new_sz = UMEMSZ2BLKSZ(allctr, size); - if ((old_sz < lim && lim <= new_sz) - || (new_sz < lim && lim <= old_sz)) { - /* *Need* to move it... */ - - INC_CC(allctr->calls.this_realloc); - res = do_erts_alcu_alloc(type, extra, size); - DEC_CC(allctr->calls.this_alloc); - - sys_memcpy(res, p, MIN(size, old_sz - ABLK_HDR_SZ)); - - do_erts_alcu_free(type, extra, p); - DEC_CC(allctr->calls.this_free); - return res; - } - if (old_sz < lim) - alcu_flgs |= ERTS_ALCU_FLG_SBMBC; - } - if (size < allctr->sbc_threshold) { if (IS_MBC_BLK(blk)) res = mbc_realloc(allctr, p, size, alcu_flgs); @@ -4190,27 +3970,6 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init) } #endif - - - allctr->sbmbc_threshold = init->sbmbct; - - if (!erts_have_sbmbc_alloc - || ERTS_IS_SBMBC_ALLOCATOR_NO__(allctr->alloc_no)) - allctr->sbmbc_threshold = 0; - - if (!allctr->sbmbc_threshold) - allctr->sbmbc_size = 0; - else { - Uint min_size; - allctr->sbmbc_size = init->sbmbcs; - min_size = allctr->sbmbc_threshold; - min_size += allctr->min_block_size; - min_size += MBC_HEADER_SIZE(allctr); - if (allctr->sbmbc_size < min_size) - allctr->sbmbc_size = min_size; - } - - #if HAVE_ERTS_MSEG if (allctr->mseg_opt.abs_shrink_th > ~((UWord) 0) / 100) allctr->mseg_opt.abs_shrink_th = ~((UWord) 0) / 100; @@ -4222,16 +3981,12 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init) #ifdef ERTS_ENABLE_LOCK_COUNT erts_mtx_init_x_opt(&allctr->mutex, - ERTS_IS_SBMBC_ALLOCATOR_NO__(allctr->alloc_no) - ? "sbmbc_alloc" - : "alcu_allocator", + "alcu_allocator", make_small(allctr->alloc_no), ERTS_LCNT_LT_ALLOC); #else erts_mtx_init_x(&allctr->mutex, - ERTS_IS_SBMBC_ALLOCATOR_NO__(allctr->alloc_no) - ? "sbmbc_alloc" - : "alcu_allocator", + "alcu_allocator", make_small(allctr->alloc_no)); #endif /*ERTS_ENABLE_LOCK_COUNT*/ @@ -4326,8 +4081,6 @@ erts_alcu_stop(Allctr_t *allctr) destroy_carrier(allctr, SBC2BLK(allctr, allctr->sbc_list.first)); while (allctr->mbc_list.first) destroy_carrier(allctr, MBC_TO_FIRST_BLK(allctr, allctr->mbc_list.first)); - while (allctr->sbmbc_list.first) - destroy_sbmbc(allctr, MBC_TO_FIRST_BLK(allctr, allctr->sbmbc_list.first)); #ifdef USE_THREADS if (allctr->thread_safe) @@ -4423,12 +4176,10 @@ erts_alcu_verify_unused(Allctr_t *allctr) no = allctr->sbcs.curr.norm.mseg.no; no += allctr->sbcs.curr.norm.sys_alloc.no; no += allctr->mbcs.blocks.curr.no; - no += allctr->sbmbcs.blocks.curr.no; if (no) { UWord sz = allctr->sbcs.blocks.curr.size; sz += allctr->mbcs.blocks.curr.size; - sz += allctr->sbmbcs.blocks.curr.size; erl_exit(ERTS_ABORT_EXIT, "%salloc() used when expected to be unused!\n" "Total amount of blocks allocated: %bpu\n" @@ -4562,7 +4313,7 @@ check_blk_carrier(Allctr_t *allctr, Block_t *iblk) cl = &allctr->mbc_list; } -#if 0 /* FIXIT sbmbc */ +#ifdef DEBUG if (cl->first == crr) { ASSERT(!crr->prev); } diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h index 739871957c..75f6de9936 100644 --- a/erts/emulator/beam/erl_alloc_util.h +++ b/erts/emulator/beam/erl_alloc_util.h @@ -55,8 +55,6 @@ typedef struct { UWord lmbcs; UWord smbcs; UWord mbcgs; - UWord sbmbct; - UWord sbmbcs; void *fix; size_t *fix_type_size; @@ -100,8 +98,6 @@ typedef struct { 10*1024*1024, /* (bytes) lmbcs: largest mbc size */\ 1024*1024, /* (bytes) smbcs: smallest mbc size */\ 10, /* (amount) mbcgs: mbc growth stages */\ - 256, /* (bytes) sbmbct: small block mbc threshold */\ - 8*1024, /* (bytes) sbmbcs: small block mbc size */ \ /* --- Data not options -------------------------------------------- */\ NULL, /* (ptr) fix */\ NULL /* (ptr) fix_type_size */\ @@ -134,8 +130,6 @@ typedef struct { 1024*1024, /* (bytes) lmbcs: largest mbc size */\ 128*1024, /* (bytes) smbcs: smallest mbc size */\ 10, /* (amount) mbcgs: mbc growth stages */\ - 256, /* (bytes) sbmbct: small block mbc threshold */\ - 8*1024, /* (bytes) sbmbcs: small block mbc size */ \ /* --- Data not options -------------------------------------------- */\ NULL, /* (ptr) fix */\ NULL /* (ptr) fix_type_size */\ @@ -181,7 +175,6 @@ erts_aint32_t erts_alcu_fix_alloc_shrink(Allctr_t *, erts_aint32_t); #define ERL_ALLOC_UTIL_IMPL__ #define ERTS_ALCU_FLG_FAIL_REALLOC_MOVE (((Uint32) 1) << 0) -#define ERTS_ALCU_FLG_SBMBC (((Uint32) 1) << 1) #ifdef USE_THREADS #define ERL_THREADS_EMU_INTERNAL__ @@ -245,10 +238,8 @@ erts_aint32_t erts_alcu_fix_alloc_shrink(Allctr_t *, erts_aint32_t); # define MBC_ABLK_OFFSET_SHIFT (sizeof(UWord)*8 - MBC_ABLK_OFFSET_BITS) # define MBC_ABLK_OFFSET_MASK (~((UWord)0) << MBC_ABLK_OFFSET_SHIFT) # define MBC_ABLK_SZ_MASK (~MBC_ABLK_OFFSET_MASK & ~FLG_MASK) -# define HAVE_ERTS_SBMBC 0 #else # define MBC_ABLK_SZ_MASK (~FLG_MASK) -# define HAVE_ERTS_SBMBC 1 #endif #define MBC_ABLK_SZ(B) (ASSERT_EXPR(!is_sbc_blk(B)), (B)->bhdr & MBC_ABLK_SZ_MASK) @@ -258,8 +249,6 @@ erts_aint32_t erts_alcu_fix_alloc_shrink(Allctr_t *, erts_aint32_t); #define CARRIER_SZ(C) \ ((C)->chdr & CARRIER_SZ_MASK) -extern int erts_have_sbmbc_alloc; - typedef union {char c[ERTS_ALLOC_ALIGN_BYTES]; long l; double d;} Unit_t; typedef struct Carrier_t_ Carrier_t; @@ -332,7 +321,6 @@ typedef struct { StatValues_t mseg; StatValues_t sys_alloc; } norm; - StatValues_t small_block; } curr; StatValues_t max; StatValues_t max_ever; @@ -443,8 +431,6 @@ struct Allctr_t_ { Uint largest_mbc_size; Uint smallest_mbc_size; Uint mbc_growth_stages; - Uint sbmbc_threshold; - Uint sbmbc_size; #if HAVE_ERTS_MSEG ErtsMsegOpt_t mseg_opt; @@ -457,7 +443,6 @@ struct Allctr_t_ { Uint min_block_size; /* Carriers */ - CarrierList_t sbmbc_list; CarrierList_t mbc_list; CarrierList_t sbc_list; @@ -512,8 +497,6 @@ struct Allctr_t_ { CallCounter_t this_alloc; CallCounter_t this_free; CallCounter_t this_realloc; - CallCounter_t sbmbc_alloc; - CallCounter_t sbmbc_free; CallCounter_t mseg_alloc; CallCounter_t mseg_dealloc; CallCounter_t mseg_realloc; @@ -524,8 +507,7 @@ struct Allctr_t_ { CarriersStats_t sbcs; CarriersStats_t mbcs; - CarriersStats_t sbmbcs; - + #ifdef DEBUG #ifdef USE_THREADS struct { diff --git a/erts/emulator/beam/erl_ao_firstfit_alloc.c b/erts/emulator/beam/erl_ao_firstfit_alloc.c index 98dd98bb14..dd4a2e3b5b 100644 --- a/erts/emulator/beam/erl_ao_firstfit_alloc.c +++ b/erts/emulator/beam/erl_ao_firstfit_alloc.c @@ -466,8 +466,7 @@ aoff_unlink_free_block(Allctr_t *allctr, Block_t *del, Uint32 flags) AOFF_Carrier_t *crr = (AOFF_Carrier_t*) FBLK_TO_MBC(del); ASSERT(crr->rbt_node.hdr.bhdr == crr->root->max_sz); - HARD_CHECK_IS_MEMBER(((flags & ERTS_ALCU_FLG_SBMBC) ? alc->sbmbc_root : alc->mbc_root), - &crr->rbt_node); + HARD_CHECK_IS_MEMBER(alc->mbc_root, &crr->rbt_node); HARD_CHECK_TREE(&crr->crr, alc->bf_within_carrier, crr->root, 0); rbt_delete(&crr->root, (AOFF_RBTree_t*)del); @@ -667,8 +666,7 @@ aoff_link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) ASSERT(allctr == blk_crr->crr.allctr); ASSERT(blk_crr->rbt_node.hdr.bhdr == (blk_crr->root ? blk_crr->root->max_sz : 0)); - HARD_CHECK_IS_MEMBER(((flags & ERTS_ALCU_FLG_SBMBC) ? alc->sbmbc_root : alc->mbc_root), - &blk_crr->rbt_node); + HARD_CHECK_IS_MEMBER(alc->mbc_root, &blk_crr->rbt_node); HARD_CHECK_TREE(&blk_crr->crr, alc->bf_within_carrier, blk_crr->root, 0); rbt_insert(alc->bf_within_carrier, &blk_crr->root, blk); @@ -763,8 +761,7 @@ aoff_get_free_block(Allctr_t *allctr, Uint size, Block_t *cand_blk, Uint cand_size, Uint32 flags) { AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; - AOFF_RBTree_t *crr_node = ((flags & ERTS_ALCU_FLG_SBMBC) - ? alc->sbmbc_root : alc->mbc_root); + AOFF_RBTree_t *crr_node = alc->mbc_root; AOFF_Carrier_t* crr; AOFF_RBTree_t *blk = NULL; #ifdef HARD_DEBUG @@ -809,8 +806,7 @@ static void aoff_creating_mbc(Allctr_t *allctr, Carrier_t *carrier, Uint32 flags { AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier; - AOFF_RBTree_t **root = ((flags & ERTS_ALCU_FLG_SBMBC) - ? &alc->sbmbc_root : &alc->mbc_root); + AOFF_RBTree_t **root = &alc->mbc_root; HARD_CHECK_TREE(NULL, 0, *root, 0); @@ -829,8 +825,7 @@ static void aoff_destroying_mbc(Allctr_t *allctr, Carrier_t *carrier, Uint32 fla { AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier; - AOFF_RBTree_t *root = ((flags & ERTS_ALCU_FLG_SBMBC) - ? alc->sbmbc_root : alc->mbc_root); + AOFF_RBTree_t *root = alc->mbc_root; if (crr->rbt_node.parent || &crr->rbt_node == root) { aoff_remove_mbc(allctr, carrier, flags); @@ -842,8 +837,7 @@ static void aoff_add_mbc(Allctr_t *allctr, Carrier_t *carrier, Uint32 flags) { AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier; - AOFF_RBTree_t **root = ((flags & ERTS_ALCU_FLG_SBMBC) - ? &alc->sbmbc_root : &alc->mbc_root); + AOFF_RBTree_t **root = &alc->mbc_root; HARD_CHECK_TREE(NULL, 0, *root, 0); @@ -858,8 +852,7 @@ static void aoff_remove_mbc(Allctr_t *allctr, Carrier_t *carrier, Uint32 flags) { AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier; - AOFF_RBTree_t **root = ((flags & ERTS_ALCU_FLG_SBMBC) - ? &alc->sbmbc_root : &alc->mbc_root); + AOFF_RBTree_t **root = &alc->mbc_root; ASSERT(allctr == carrier->allctr); HARD_CHECK_TREE(NULL, 0, *root, 0); diff --git a/erts/emulator/beam/erl_ao_firstfit_alloc.h b/erts/emulator/beam/erl_ao_firstfit_alloc.h index 36995a20f0..87427e8e62 100644 --- a/erts/emulator/beam/erl_ao_firstfit_alloc.h +++ b/erts/emulator/beam/erl_ao_firstfit_alloc.h @@ -52,7 +52,6 @@ struct AOFFAllctr_t_ { Allctr_t allctr; /* Has to be first! */ struct AOFF_RBTree_t_* mbc_root; - struct AOFF_RBTree_t_* sbmbc_root; int bf_within_carrier; }; diff --git a/erts/emulator/beam/erl_bestfit_alloc.c b/erts/emulator/beam/erl_bestfit_alloc.c index dff69faa4e..dda87f9e53 100644 --- a/erts/emulator/beam/erl_bestfit_alloc.c +++ b/erts/emulator/beam/erl_bestfit_alloc.c @@ -415,9 +415,7 @@ tree_delete(Allctr_t *allctr, Block_t *del, Uint32 flags) { BFAllctr_t *bfallctr = (BFAllctr_t *) allctr; Uint spliced_is_black; - RBTree_t **root = ((flags & ERTS_ALCU_FLG_SBMBC) - ? &bfallctr->sbmbc_root - : &bfallctr->mbc_root); + RBTree_t **root = &bfallctr->mbc_root; RBTree_t *x, *y, *z = (RBTree_t *) del; RBTree_t null_x; /* null_x is used to get the fixup started when we splice out a node without children. */ @@ -593,9 +591,7 @@ static void aobf_link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) { BFAllctr_t *bfallctr = (BFAllctr_t *) allctr; - RBTree_t **root = ((flags & ERTS_ALCU_FLG_SBMBC) - ? &bfallctr->sbmbc_root - : &bfallctr->mbc_root); + RBTree_t **root = &bfallctr->mbc_root; RBTree_t *blk = (RBTree_t *) block; Uint blk_sz = BF_BLK_SZ(blk); @@ -663,9 +659,7 @@ aobf_get_free_block(Allctr_t *allctr, Uint size, Uint32 flags) { BFAllctr_t *bfallctr = (BFAllctr_t *) allctr; - RBTree_t **root = ((flags & ERTS_ALCU_FLG_SBMBC) - ? &bfallctr->sbmbc_root - : &bfallctr->mbc_root); + RBTree_t **root = &bfallctr->mbc_root; RBTree_t *x = *root; RBTree_t *blk = NULL; Uint blk_sz; @@ -712,9 +706,7 @@ static void bf_link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) { BFAllctr_t *bfallctr = (BFAllctr_t *) allctr; - RBTree_t **root = ((flags & ERTS_ALCU_FLG_SBMBC) - ? &bfallctr->sbmbc_root - : &bfallctr->mbc_root); + RBTree_t **root = &bfallctr->mbc_root; RBTree_t *blk = (RBTree_t *) block; Uint blk_sz = BF_BLK_SZ(blk); @@ -786,9 +778,7 @@ static ERTS_INLINE void bf_unlink_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) { BFAllctr_t *bfallctr = (BFAllctr_t *) allctr; - RBTree_t **root = ((flags & ERTS_ALCU_FLG_SBMBC) - ? &bfallctr->sbmbc_root - : &bfallctr->mbc_root); + RBTree_t **root = &bfallctr->mbc_root; RBTree_t *x = (RBTree_t *) block; if (IS_LIST_ELEM(x)) { @@ -829,9 +819,7 @@ bf_get_free_block(Allctr_t *allctr, Uint size, Uint32 flags) { BFAllctr_t *bfallctr = (BFAllctr_t *) allctr; - RBTree_t **root = ((flags & ERTS_ALCU_FLG_SBMBC) - ? &bfallctr->sbmbc_root - : &bfallctr->mbc_root); + RBTree_t **root = &bfallctr->mbc_root; RBTree_t *x = *root; RBTree_t *blk = NULL; Uint blk_sz; diff --git a/erts/emulator/beam/erl_bestfit_alloc.h b/erts/emulator/beam/erl_bestfit_alloc.h index f2d2f07d7a..be8b2b871d 100644 --- a/erts/emulator/beam/erl_bestfit_alloc.h +++ b/erts/emulator/beam/erl_bestfit_alloc.h @@ -55,7 +55,6 @@ struct BFAllctr_t_ { Allctr_t allctr; /* Has to be first! */ RBTree_t * mbc_root; - RBTree_t * sbmbc_root; int address_order; }; diff --git a/erts/emulator/beam/erl_goodfit_alloc.c b/erts/emulator/beam/erl_goodfit_alloc.c index 72620a362b..bd728b8a90 100644 --- a/erts/emulator/beam/erl_goodfit_alloc.c +++ b/erts/emulator/beam/erl_goodfit_alloc.c @@ -203,8 +203,6 @@ erts_gfalc_start(GFAllctr_t *gfallctr, sys_memcpy((void *) gfallctr, (void *) &zero.allctr, sizeof(GFAllctr_t)); - init->sbmbct = 0; /* Small mbc not yet supported by goodfit */ - allctr->mbc_header_size = sizeof(Carrier_t); allctr->min_mbc_size = MIN_MBC_SZ; allctr->min_mbc_first_free_size = MIN_MBC_FIRST_FREE_SZ; diff --git a/erts/emulator/beam/erl_instrument.c b/erts/emulator/beam/erl_instrument.c index 1aea3f65bc..df7c443387 100644 --- a/erts/emulator/beam/erl_instrument.c +++ b/erts/emulator/beam/erl_instrument.c @@ -1236,8 +1236,6 @@ erts_instr_init(int stat, int map_stat) sys_memzero((void *) stats->n, sizeof(Stat_t)*(ERTS_ALC_N_MAX+1)); for (i = ERTS_ALC_A_MIN; i <= ERTS_ALC_A_MAX; i++) { - if (ERTS_IS_SBMBC_ALLOCATOR_NO__(i)) - continue; if (erts_allctrs_info[i].enabled) stats->ap[i] = &stats->a[i]; else @@ -1251,8 +1249,6 @@ erts_instr_init(int stat, int map_stat) erts_instr_memory_map = 1; erts_instr_stat = 1; for (i = ERTS_ALC_A_MIN; i <= ERTS_ALC_A_MAX; i++) { - if (ERTS_IS_SBMBC_ALLOCATOR_NO__(i)) - continue; erts_allctrs[i].alloc = map_stat_alloc; erts_allctrs[i].realloc = map_stat_realloc; erts_allctrs[i].free = map_stat_free; @@ -1265,8 +1261,6 @@ erts_instr_init(int stat, int map_stat) else { erts_instr_stat = 1; for (i = ERTS_ALC_A_MIN; i <= ERTS_ALC_A_MAX; i++) { - if (ERTS_IS_SBMBC_ALLOCATOR_NO__(i)) - continue; erts_allctrs[i].alloc = stat_alloc; erts_allctrs[i].realloc = stat_realloc; erts_allctrs[i].free = stat_free; diff --git a/erts/emulator/beam/erl_lock_check.c b/erts/emulator/beam/erl_lock_check.c index a1d270adba..bc59fe55d4 100644 --- a/erts/emulator/beam/erl_lock_check.c +++ b/erts/emulator/beam/erl_lock_check.c @@ -150,7 +150,6 @@ static erts_lc_lock_order_t erts_lock_order[] = { { "instr_x", NULL }, { "instr", NULL }, { "alcu_allocator", "index" }, - { "sbmbc_alloc", "index" }, { "mseg", NULL }, #if HALFWORD_HEAP { "pmmap", NULL }, diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl index dfba7d098f..104bdf8aec 100644 --- a/erts/emulator/test/driver_SUITE.erl +++ b/erts/emulator/test/driver_SUITE.erl @@ -2582,10 +2582,9 @@ driver_alloc_size() -> MemInfo -> CS = lists:foldl( fun ({instance, _, L}, Acc) -> - {value,{_,SBMBCS}} = lists:keysearch(sbmbcs, 1, L), {value,{_,MBCS}} = lists:keysearch(mbcs, 1, L), {value,{_,SBCS}} = lists:keysearch(sbcs, 1, L), - [SBMBCS,MBCS,SBCS | Acc] + [MBCS,SBCS | Acc] end, [], MemInfo), diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl index dcf58fa474..9a70e8646a 100644 --- a/erts/emulator/test/nif_SUITE.erl +++ b/erts/emulator/test/nif_SUITE.erl @@ -1368,10 +1368,9 @@ tmpmem() -> MemInfo -> MSBCS = lists:foldl( fun ({instance, _, L}, Acc) -> - {value,{_,SBMBCS}} = lists:keysearch(sbmbcs, 1, L), {value,{_,MBCS}} = lists:keysearch(mbcs, 1, L), {value,{_,SBCS}} = lists:keysearch(sbcs, 1, L), - [SBMBCS,MBCS,SBCS | Acc] + [MBCS,SBCS | Acc] end, [], MemInfo), diff --git a/erts/emulator/test/send_term_SUITE.erl b/erts/emulator/test/send_term_SUITE.erl index ba0ba804ca..6615873392 100644 --- a/erts/emulator/test/send_term_SUITE.erl +++ b/erts/emulator/test/send_term_SUITE.erl @@ -175,10 +175,6 @@ chk_temp_alloc() -> %% Verify that we havn't got anything allocated by temp_alloc lists:foreach( fun ({instance, _, TI}) -> - ?line {value, {sbmbcs, SBMBCInfo}} - = lists:keysearch(sbmbcs, 1, TI), - ?line {value, {blocks, 0, _, _}} - = lists:keysearch(blocks, 1, SBMBCInfo), ?line {value, {mbcs, MBCInfo}} = lists:keysearch(mbcs, 1, TI), ?line {value, {blocks, 0, _, _}} diff --git a/erts/etc/common/erlexec.c b/erts/etc/common/erlexec.c index 31d9b2e0ad..aaaeb0eaa8 100644 --- a/erts/etc/common/erlexec.c +++ b/erts/etc/common/erlexec.c @@ -64,7 +64,6 @@ static const char plusM_au_allocs[]= { 'u', /* all alloc_util allocators */ 'B', /* binary_alloc */ - 'C', /* sbmbc_alloc */ 'D', /* std_alloc */ 'E', /* ets_alloc */ 'F', /* fix_alloc */ @@ -95,8 +94,6 @@ static char *plusM_au_alloc_switches[] = { "rsbcst", "sbct", "smbcs", - "sbmbcs", - "sbmbct", NULL }; diff --git a/erts/preloaded/ebin/erlang.beam b/erts/preloaded/ebin/erlang.beam index 315f9ebd47..a792d667c8 100644 Binary files a/erts/preloaded/ebin/erlang.beam and b/erts/preloaded/ebin/erlang.beam differ diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl index 6929ca3fa5..3186ce6e4c 100644 --- a/erts/preloaded/src/erlang.erl +++ b/erts/preloaded/src/erlang.erl @@ -3114,8 +3114,8 @@ max(A, _) -> A. | 'atom' | 'atom_used' | 'binary' | 'code' | 'ets' | 'low' | 'maximum'. --define(CARRIER_ALLOCS, [mseg_alloc, sbmbc_alloc, sbmbc_low_alloc]). --define(LOW_ALLOCS, [sbmbc_low_alloc, ll_low_alloc, std_low_alloc]). +-define(CARRIER_ALLOCS, [mseg_alloc]). +-define(LOW_ALLOCS, [ll_low_alloc, std_low_alloc]). -define(ALL_NEEDED_ALLOCS, (erlang:system_info(alloc_util_allocators) -- ?CARRIER_ALLOCS)). @@ -3286,8 +3286,7 @@ get_blocks_size([], Acc) -> Acc. blocks_size([{Carriers, SizeList} | Rest], Acc) when Carriers == mbcs; - Carriers == sbcs; - Carriers == sbmbcs -> + Carriers == sbcs -> blocks_size(Rest, get_blocks_size(SizeList, Acc)); blocks_size([_ | Rest], Acc) -> blocks_size(Rest, Acc); -- cgit v1.2.3 From 5ce6aba2ede9e06bb1daa250019454ea42dca657 Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Wed, 22 May 2013 11:02:25 +0200 Subject: erts: Remove unnecessary flag arguments in allocators A cleanup after SBMBC was removed. --- erts/emulator/beam/erl_afit_alloc.c | 14 +++--- erts/emulator/beam/erl_alloc_util.c | 81 +++++++++++++----------------- erts/emulator/beam/erl_alloc_util.h | 14 +++--- erts/emulator/beam/erl_ao_firstfit_alloc.c | 34 ++++++------- erts/emulator/beam/erl_bestfit_alloc.c | 36 +++++++------ erts/emulator/beam/erl_goodfit_alloc.c | 20 ++++---- 6 files changed, 93 insertions(+), 106 deletions(-) (limited to 'erts') diff --git a/erts/emulator/beam/erl_afit_alloc.c b/erts/emulator/beam/erl_afit_alloc.c index 84aab68f7d..eca4e3b3bb 100644 --- a/erts/emulator/beam/erl_afit_alloc.c +++ b/erts/emulator/beam/erl_afit_alloc.c @@ -48,10 +48,9 @@ struct AFFreeBlock_t_ { #define MIN_MBC_FIRST_FREE_SZ (4*1024) /* Prototypes of callback functions */ -static Block_t * get_free_block (Allctr_t *, Uint, - Block_t *, Uint, Uint32); -static void link_free_block (Allctr_t *, Block_t *, Uint32); -static void unlink_free_block (Allctr_t *, Block_t *, Uint32); +static Block_t * get_free_block (Allctr_t *, Uint, Block_t *, Uint); +static void link_free_block (Allctr_t *, Block_t *); +static void unlink_free_block (Allctr_t *, Block_t *); static Eterm info_options (Allctr_t *, char *, int *, @@ -118,8 +117,7 @@ erts_afalc_start(AFAllctr_t *afallctr, } static Block_t * -get_free_block(Allctr_t *allctr, Uint size, Block_t *cand_blk, Uint cand_size, - Uint32 flags) +get_free_block(Allctr_t *allctr, Uint size, Block_t *cand_blk, Uint cand_size) { AFAllctr_t *afallctr = (AFAllctr_t *) allctr; @@ -137,7 +135,7 @@ get_free_block(Allctr_t *allctr, Uint size, Block_t *cand_blk, Uint cand_size, } static void -link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) +link_free_block(Allctr_t *allctr, Block_t *block) { AFFreeBlock_t *blk = (AFFreeBlock_t *) block; AFAllctr_t *afallctr = (AFAllctr_t *) allctr; @@ -158,7 +156,7 @@ link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) } static void -unlink_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) +unlink_free_block(Allctr_t *allctr, Block_t *block) { AFFreeBlock_t *blk = (AFFreeBlock_t *) block; AFAllctr_t *afallctr = (AFAllctr_t *) allctr; diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index 67d973d07c..996259f30a 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -473,7 +473,7 @@ do { \ DEBUG_CHECK_CARRIER_NO_SZ((AP)); \ } while (0) -#define STAT_MBC_BLK_ALLOC(AP, BSZ, FLGS) \ +#define STAT_MBC_BLK_ALLOC(AP, BSZ) \ do { \ CarriersStats_t *cstats__ = &(AP)->mbcs; \ cstats__->blocks.curr.no++; \ @@ -484,7 +484,7 @@ do { \ cstats__->blocks.max.size = cstats__->blocks.curr.size; \ } while (0) -#define STAT_MBC_BLK_FREE(AP, BSZ, FLGS) \ +#define STAT_MBC_BLK_FREE(AP, BSZ) \ do { \ CarriersStats_t *cstats__ = &(AP)->mbcs; \ ASSERT(cstats__->blocks.curr.no > 0); \ @@ -1210,7 +1210,7 @@ erts_alcu_check_delayed_dealloc(Allctr_t *allctr, * block in a sbc. */ static ERTS_INLINE void * -mbc_alloc_block(Allctr_t *allctr, Uint size, Uint *blk_szp, Uint32 *alcu_flgsp) +mbc_alloc_block(Allctr_t *allctr, Uint size, Uint *blk_szp) { Block_t *blk; Uint get_blk_sz; @@ -1225,13 +1225,12 @@ mbc_alloc_block(Allctr_t *allctr, Uint size, Uint *blk_szp, Uint32 *alcu_flgsp) ERTS_ALCU_HANDLE_DD_IN_OP(allctr, 1); #endif - blk = (*allctr->get_free_block)(allctr, get_blk_sz, NULL, 0, *alcu_flgsp); + blk = (*allctr->get_free_block)(allctr, get_blk_sz, NULL, 0); #ifdef ERTS_SMP if (!blk && allctr->dd.use) { if (ERTS_ALCU_HANDLE_DD_IN_OP(allctr, 1)) - blk = (*allctr->get_free_block)(allctr, get_blk_sz, NULL, 0, - *alcu_flgsp); + blk = (*allctr->get_free_block)(allctr, get_blk_sz, NULL, 0); } #endif @@ -1252,9 +1251,9 @@ mbc_alloc_block(Allctr_t *allctr, Uint size, Uint *blk_szp, Uint32 *alcu_flgsp) #ifdef ERTS_ALLOC_UTIL_HARD_DEBUG if (IS_MBC_BLK(blk)) { - (*allctr->link_free_block)(allctr, blk, *alcu_flgsp); + (*allctr->link_free_block)(allctr, blk); HARD_CHECK_BLK_CARRIER(allctr, blk); - (*allctr->unlink_free_block)(allctr, blk, *alcu_flgsp); + (*allctr->unlink_free_block)(allctr, blk); } #endif @@ -1268,8 +1267,7 @@ mbc_alloc_finalize(Allctr_t *allctr, UWord flags, Carrier_t *crr, Uint want_blk_sz, - int valid_blk_info, - Uint32 alcu_flgs) + int valid_blk_info) { Uint blk_sz; Uint nxt_blk_sz; @@ -1301,7 +1299,7 @@ mbc_alloc_finalize(Allctr_t *allctr, SET_PREV_BLK_FREE(allctr, nxt_nxt_blk); } } - (*allctr->link_free_block)(allctr, nxt_blk, alcu_flgs); + (*allctr->link_free_block)(allctr, nxt_blk); ASSERT(IS_NOT_LAST_BLK(blk)); ASSERT(IS_FREE_BLK(nxt_blk)); @@ -1342,7 +1340,7 @@ mbc_alloc_finalize(Allctr_t *allctr, ASSERT(ABLK_TO_MBC(blk) == crr); } - STAT_MBC_BLK_ALLOC(allctr, blk_sz, alcu_flgs); + STAT_MBC_BLK_ALLOC(allctr, blk_sz); ASSERT(IS_ALLOCED_BLK(blk)); ASSERT(blk_sz == MBC_BLK_SZ(blk)); @@ -1362,8 +1360,7 @@ mbc_alloc(Allctr_t *allctr, Uint size) { Block_t *blk; Uint blk_sz; - Uint32 alcu_flgs = 0; - blk = mbc_alloc_block(allctr, size, &blk_sz, &alcu_flgs); + blk = mbc_alloc_block(allctr, size, &blk_sz); if (!blk) return NULL; if (IS_MBC_BLK(blk)) @@ -1373,8 +1370,7 @@ mbc_alloc(Allctr_t *allctr, Uint size) GET_BLK_HDR_FLGS(blk), FBLK_TO_MBC(blk), blk_sz, - 1, - alcu_flgs); + 1); return BLK2UMEM(blk); } @@ -1383,7 +1379,6 @@ mbc_free(Allctr_t *allctr, void *p) { Uint is_first_blk; Uint is_last_blk; - Uint32 alcu_flgs = 0; Uint blk_sz; Block_t *blk; Block_t *nxt_blk; @@ -1399,7 +1394,7 @@ mbc_free(Allctr_t *allctr, void *p) HARD_CHECK_BLK_CARRIER(allctr, blk); - STAT_MBC_BLK_FREE(allctr, blk_sz, alcu_flgs); + STAT_MBC_BLK_FREE(allctr, blk_sz); is_first_blk = IS_MBC_FIRST_ABLK(allctr, blk); is_last_blk = IS_LAST_BLK(blk); @@ -1408,7 +1403,7 @@ mbc_free(Allctr_t *allctr, void *p) ASSERT(!is_first_blk); /* Coalesce with previous block... */ blk = PREV_BLK(blk); - (*allctr->unlink_free_block)(allctr, blk, alcu_flgs); + (*allctr->unlink_free_block)(allctr, blk); blk_sz += MBC_FBLK_SZ(blk); is_first_blk = IS_MBC_FIRST_FBLK(allctr, blk); @@ -1424,7 +1419,7 @@ mbc_free(Allctr_t *allctr, void *p) nxt_blk = BLK_AFTER(blk, blk_sz); if (IS_FREE_BLK(nxt_blk)) { /* Coalesce with next block... */ - (*allctr->unlink_free_block)(allctr, nxt_blk, alcu_flgs); + (*allctr->unlink_free_block)(allctr, nxt_blk); blk_sz += MBC_FBLK_SZ(nxt_blk); SET_MBC_FBLK_SZ(blk, blk_sz); @@ -1460,7 +1455,7 @@ mbc_free(Allctr_t *allctr, void *p) destroy_carrier(allctr, blk); } else { - (*allctr->link_free_block)(allctr, blk, alcu_flgs); + (*allctr->link_free_block)(allctr, blk); HARD_CHECK_BLK_CARRIER(allctr, blk); } } @@ -1546,8 +1541,7 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) new_blk = (*allctr->get_free_block)(allctr, get_blk_sz, cand_blk, - cand_blk_sz, - alcu_flgs); + cand_blk_sz); if (new_blk || cand_blk != blk) goto move_into_new_blk; } @@ -1569,8 +1563,8 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) nxt_blk = BLK_AFTER(blk, blk_sz); - STAT_MBC_BLK_FREE(allctr, old_blk_sz, alcu_flgs); - STAT_MBC_BLK_ALLOC(allctr, blk_sz, alcu_flgs); + STAT_MBC_BLK_FREE(allctr, old_blk_sz); + STAT_MBC_BLK_ALLOC(allctr, blk_sz); ASSERT(MBC_BLK_SZ(blk) >= allctr->min_block_size); @@ -1578,7 +1572,7 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) if (IS_FREE_BLK(nxt_nxt_blk)) { /* Coalesce with next free block... */ nxt_blk_sz += MBC_FBLK_SZ(nxt_nxt_blk); - (*allctr->unlink_free_block)(allctr, nxt_nxt_blk, alcu_flgs); + (*allctr->unlink_free_block)(allctr, nxt_nxt_blk); is_last_blk = GET_LAST_BLK_HDR_FLG(nxt_nxt_blk); } @@ -1593,7 +1587,7 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) SBH_THIS_FREE | (is_last_blk ? SBH_LAST_BLK : 0), crr); - (*allctr->link_free_block)(allctr, nxt_blk, alcu_flgs); + (*allctr->link_free_block)(allctr, nxt_blk); ASSERT(IS_ALLOCED_BLK(blk)); @@ -1629,7 +1623,7 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) HARD_CHECK_BLK_CARRIER(allctr, blk); - (*allctr->unlink_free_block)(allctr, nxt_blk, alcu_flgs); + (*allctr->unlink_free_block)(allctr, nxt_blk); nxt_blk_sz -= blk_sz - old_blk_sz; is_last_blk = IS_LAST_BLK(nxt_blk); @@ -1665,14 +1659,14 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) else SET_BLK_SZ_FTR(nxt_blk, nxt_blk_sz); - (*allctr->link_free_block)(allctr, nxt_blk, alcu_flgs); + (*allctr->link_free_block)(allctr, nxt_blk); ASSERT(IS_FREE_BLK(nxt_blk)); ASSERT(FBLK_TO_MBC(nxt_blk) == crr); } - STAT_MBC_BLK_FREE(allctr, old_blk_sz, alcu_flgs); - STAT_MBC_BLK_ALLOC(allctr, blk_sz, alcu_flgs); + STAT_MBC_BLK_FREE(allctr, old_blk_sz); + STAT_MBC_BLK_ALLOC(allctr, blk_sz); ASSERT(IS_ALLOCED_BLK(blk)); @@ -1745,8 +1739,7 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) new_blk = (*allctr->get_free_block)(allctr, get_blk_sz, cand_blk, - cand_blk_sz, - alcu_flgs); + cand_blk_sz); move_into_new_blk: /* * new_blk, and cand_blk have to be correctly set @@ -1760,8 +1753,7 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) GET_BLK_HDR_FLGS(new_blk), FBLK_TO_MBC(new_blk), blk_sz, - 1, - alcu_flgs); + 1); new_p = BLK2UMEM(new_blk); sys_memcpy(new_p, p, MIN(size, old_blk_sz - ABLK_HDR_SZ)); mbc_free(allctr, p); @@ -1784,7 +1776,7 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) HARD_CHECK_BLK_CARRIER(allctr, blk); - (*allctr->unlink_free_block)(allctr, new_blk, alcu_flgs); /* prev */ + (*allctr->unlink_free_block)(allctr, new_blk); /* prev */ if (is_last_blk) new_blk_flgs |= LAST_BLK_HDR_FLG; @@ -1793,7 +1785,7 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) if (IS_FREE_BLK(nxt_blk)) { new_blk_flgs |= GET_LAST_BLK_HDR_FLG(nxt_blk); new_blk_sz += MBC_FBLK_SZ(nxt_blk); - (*allctr->unlink_free_block)(allctr, nxt_blk, alcu_flgs); + (*allctr->unlink_free_block)(allctr, nxt_blk); } } @@ -1818,10 +1810,9 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) new_blk_flgs, crr, blk_sz, - 0, - alcu_flgs); + 0); - STAT_MBC_BLK_FREE(allctr, old_blk_sz, alcu_flgs); + STAT_MBC_BLK_FREE(allctr, old_blk_sz); return new_p; } @@ -2031,7 +2022,7 @@ create_carrier(Allctr_t *allctr, Uint umem_sz, UWord flags) CHECK_1BLK_CARRIER(allctr, 0, is_mseg, crr, crr_sz, blk, blk_sz); if (allctr->creating_mbc) - (*allctr->creating_mbc)(allctr, crr, 0); + (*allctr->creating_mbc)(allctr, crr); } @@ -2236,7 +2227,7 @@ destroy_carrier(Allctr_t *allctr, Block_t *blk) unlink_carrier(&allctr->mbc_list, crr); if (allctr->destroying_mbc) - (*allctr->destroying_mbc)(allctr, crr, 0); + (*allctr->destroying_mbc)(allctr, crr); } @@ -4033,7 +4024,7 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init) if (!blk) goto error; - (*allctr->link_free_block)(allctr, blk, 0); + (*allctr->link_free_block)(allctr, blk); HARD_CHECK_BLK_CARRIER(allctr, blk); @@ -4157,8 +4148,8 @@ erts_alcu_test(UWord op, UWord a1, UWord a2) case 0x01a: return (UWord) IS_MBC_FIRST_BLK((Allctr_t*)a1, (Block_t *) a2); case 0x01b: return (UWord) sizeof(Unit_t); case 0x01c: return (unsigned long) BLK_TO_MBC((Block_t*) a1); - case 0x01d: ((Allctr_t*) a1)->add_mbc((Allctr_t*)a1, (Carrier_t*)a2, 0); break; - case 0x01e: ((Allctr_t*) a1)->remove_mbc((Allctr_t*)a1, (Carrier_t*)a2, 0); break; + case 0x01d: ((Allctr_t*) a1)->add_mbc((Allctr_t*)a1, (Carrier_t*)a2); break; + case 0x01e: ((Allctr_t*) a1)->remove_mbc((Allctr_t*)a1, (Carrier_t*)a2); break; default: ASSERT(0); return ~((UWord) 0); } return 0; diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h index 75f6de9936..8a29ee601d 100644 --- a/erts/emulator/beam/erl_alloc_util.h +++ b/erts/emulator/beam/erl_alloc_util.h @@ -451,19 +451,19 @@ struct Allctr_t_ { /* Callback functions (first 4 are mandatory) */ Block_t * (*get_free_block) (Allctr_t *, Uint, - Block_t *, Uint, Uint32); - void (*link_free_block) (Allctr_t *, Block_t *, Uint32); - void (*unlink_free_block) (Allctr_t *, Block_t *, Uint32); + Block_t *, Uint); + void (*link_free_block) (Allctr_t *, Block_t *); + void (*unlink_free_block) (Allctr_t *, Block_t *); Eterm (*info_options) (Allctr_t *, char *, int *, void *, Uint **, Uint *); Uint (*get_next_mbc_size) (Allctr_t *); - void (*creating_mbc) (Allctr_t *, Carrier_t *, Uint32); - void (*destroying_mbc) (Allctr_t *, Carrier_t *, Uint32); + void (*creating_mbc) (Allctr_t *, Carrier_t *); + void (*destroying_mbc) (Allctr_t *, Carrier_t *); /* The three callbacks below are needed to support carrier migration */ - void (*add_mbc) (Allctr_t *, Carrier_t *, Uint32); - void (*remove_mbc) (Allctr_t *, Carrier_t *, Uint32); + void (*add_mbc) (Allctr_t *, Carrier_t *); + void (*remove_mbc) (Allctr_t *, Carrier_t *); UWord (*largest_fblk_in_mbc) (Allctr_t *, Carrier_t *); void (*init_atoms) (void); diff --git a/erts/emulator/beam/erl_ao_firstfit_alloc.c b/erts/emulator/beam/erl_ao_firstfit_alloc.c index dd4a2e3b5b..3bb0bf146e 100644 --- a/erts/emulator/beam/erl_ao_firstfit_alloc.c +++ b/erts/emulator/beam/erl_ao_firstfit_alloc.c @@ -187,13 +187,13 @@ static ERTS_INLINE SWord cmp_cand_blk(int bestfit, /* Prototypes of callback functions */ -static Block_t* aoff_get_free_block(Allctr_t *, Uint, Block_t *, Uint, Uint32 flags); -static void aoff_link_free_block(Allctr_t *, Block_t*, Uint32 flags); -static void aoff_unlink_free_block(Allctr_t *allctr, Block_t *del, Uint32 flags); -static void aoff_creating_mbc(Allctr_t*, Carrier_t*, Uint32 flags); -static void aoff_destroying_mbc(Allctr_t*, Carrier_t*, Uint32 flags); -static void aoff_add_mbc(Allctr_t*, Carrier_t*, Uint32 flags); -static void aoff_remove_mbc(Allctr_t*, Carrier_t*, Uint32 flags); +static Block_t* aoff_get_free_block(Allctr_t *, Uint, Block_t *, Uint); +static void aoff_link_free_block(Allctr_t *, Block_t*); +static void aoff_unlink_free_block(Allctr_t *allctr, Block_t *del); +static void aoff_creating_mbc(Allctr_t*, Carrier_t*); +static void aoff_destroying_mbc(Allctr_t*, Carrier_t*); +static void aoff_add_mbc(Allctr_t*, Carrier_t*); +static void aoff_remove_mbc(Allctr_t*, Carrier_t*); static UWord aoff_largest_fblk_in_mbc(Allctr_t*, Carrier_t*); /* Generic tree functions used by both carrier and block trees. */ @@ -458,7 +458,7 @@ tree_insert_fixup(AOFF_RBTree_t** root, AOFF_RBTree_t *blk) } static void -aoff_unlink_free_block(Allctr_t *allctr, Block_t *del, Uint32 flags) +aoff_unlink_free_block(Allctr_t *allctr, Block_t *del) { #ifdef HARD_DEBUG AOFFAllctr_t* alc = (AOFFAllctr_t*)allctr; @@ -656,7 +656,7 @@ rbt_delete(AOFF_RBTree_t** root, AOFF_RBTree_t* del) } static void -aoff_link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) +aoff_link_free_block(Allctr_t *allctr, Block_t *block) { AOFFAllctr_t* alc = (AOFFAllctr_t*) allctr; AOFF_RBTree_t *blk = (AOFF_RBTree_t *) block; @@ -758,7 +758,7 @@ rbt_search(AOFF_RBTree_t* root, Uint size) static Block_t * aoff_get_free_block(Allctr_t *allctr, Uint size, - Block_t *cand_blk, Uint cand_size, Uint32 flags) + Block_t *cand_blk, Uint cand_size) { AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; AOFF_RBTree_t *crr_node = alc->mbc_root; @@ -797,12 +797,12 @@ aoff_get_free_block(Allctr_t *allctr, Uint size, return NULL; /* cand_blk was better */ } - aoff_unlink_free_block(allctr, (Block_t *) blk, flags); + aoff_unlink_free_block(allctr, (Block_t *) blk); return (Block_t *) blk; } -static void aoff_creating_mbc(Allctr_t *allctr, Carrier_t *carrier, Uint32 flags) +static void aoff_creating_mbc(Allctr_t *allctr, Carrier_t *carrier) { AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier; @@ -821,25 +821,25 @@ static void aoff_creating_mbc(Allctr_t *allctr, Carrier_t *carrier, Uint32 flags HARD_CHECK_TREE(NULL, 0, *root, 0); } -static void aoff_destroying_mbc(Allctr_t *allctr, Carrier_t *carrier, Uint32 flags) +static void aoff_destroying_mbc(Allctr_t *allctr, Carrier_t *carrier) { AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier; AOFF_RBTree_t *root = alc->mbc_root; if (crr->rbt_node.parent || &crr->rbt_node == root) { - aoff_remove_mbc(allctr, carrier, flags); + aoff_remove_mbc(allctr, carrier); } /*else already removed */ } -static void aoff_add_mbc(Allctr_t *allctr, Carrier_t *carrier, Uint32 flags) +static void aoff_add_mbc(Allctr_t *allctr, Carrier_t *carrier) { AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier; AOFF_RBTree_t **root = &alc->mbc_root; - HARD_CHECK_TREE(NULL, 0, *root, 0); + HARD_CHECK_TREE(NULL, 0, *root, 0); /* Link carrier in address order tree */ @@ -848,7 +848,7 @@ static void aoff_add_mbc(Allctr_t *allctr, Carrier_t *carrier, Uint32 flags) HARD_CHECK_TREE(NULL, 0, *root, 0); } -static void aoff_remove_mbc(Allctr_t *allctr, Carrier_t *carrier, Uint32 flags) +static void aoff_remove_mbc(Allctr_t *allctr, Carrier_t *carrier) { AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr; AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier; diff --git a/erts/emulator/beam/erl_bestfit_alloc.c b/erts/emulator/beam/erl_bestfit_alloc.c index dda87f9e53..58e53c3d00 100644 --- a/erts/emulator/beam/erl_bestfit_alloc.c +++ b/erts/emulator/beam/erl_bestfit_alloc.c @@ -89,21 +89,21 @@ static RBTree_t * check_tree(RBTree_t, int, Uint); #endif -static void tree_delete(Allctr_t *allctr, Block_t *del, Uint32 flags); +static void tree_delete(Allctr_t *allctr, Block_t *del); /* Prototypes of callback functions */ /* "address order best fit" specific callback functions */ static Block_t * aobf_get_free_block (Allctr_t *, Uint, - Block_t *, Uint, Uint32); -static void aobf_link_free_block (Allctr_t *, Block_t *, Uint32); + Block_t *, Uint); +static void aobf_link_free_block (Allctr_t *, Block_t *); #define aobf_unlink_free_block tree_delete /* "best fit" specific callback functions */ static Block_t * bf_get_free_block (Allctr_t *, Uint, - Block_t *, Uint, Uint32); -static void bf_link_free_block (Allctr_t *, Block_t *, Uint32); -static ERTS_INLINE void bf_unlink_free_block (Allctr_t *, Block_t *, Uint32); + Block_t *, Uint); +static void bf_link_free_block (Allctr_t *, Block_t *); +static ERTS_INLINE void bf_unlink_free_block (Allctr_t *, Block_t *); static Eterm info_options (Allctr_t *, char *, int *, @@ -411,7 +411,7 @@ tree_insert_fixup(RBTree_t **root, RBTree_t *blk) * callback function in the address order case. */ static void -tree_delete(Allctr_t *allctr, Block_t *del, Uint32 flags) +tree_delete(Allctr_t *allctr, Block_t *del) { BFAllctr_t *bfallctr = (BFAllctr_t *) allctr; Uint spliced_is_black; @@ -588,7 +588,7 @@ tree_delete(Allctr_t *allctr, Block_t *del, Uint32 flags) \* */ static void -aobf_link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) +aobf_link_free_block(Allctr_t *allctr, Block_t *block) { BFAllctr_t *bfallctr = (BFAllctr_t *) allctr; RBTree_t **root = &bfallctr->mbc_root; @@ -647,16 +647,15 @@ aobf_link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) #if 0 /* tree_delete() is directly used instead */ static void -aobf_unlink_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) +aobf_unlink_free_block(Allctr_t *allctr, Block_t *block) { - tree_delete(allctr, block, flags); + tree_delete(allctr, block); } #endif static Block_t * aobf_get_free_block(Allctr_t *allctr, Uint size, - Block_t *cand_blk, Uint cand_size, - Uint32 flags) + Block_t *cand_blk, Uint cand_size) { BFAllctr_t *bfallctr = (BFAllctr_t *) allctr; RBTree_t **root = &bfallctr->mbc_root; @@ -692,7 +691,7 @@ aobf_get_free_block(Allctr_t *allctr, Uint size, return NULL; /* cand_blk was better */ } - aobf_unlink_free_block(allctr, (Block_t *) blk, flags); + aobf_unlink_free_block(allctr, (Block_t *) blk); return (Block_t *) blk; } @@ -703,7 +702,7 @@ aobf_get_free_block(Allctr_t *allctr, Uint size, \* */ static void -bf_link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) +bf_link_free_block(Allctr_t *allctr, Block_t *block) { BFAllctr_t *bfallctr = (BFAllctr_t *) allctr; RBTree_t **root = &bfallctr->mbc_root; @@ -775,7 +774,7 @@ bf_link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) } static ERTS_INLINE void -bf_unlink_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) +bf_unlink_free_block(Allctr_t *allctr, Block_t *block) { BFAllctr_t *bfallctr = (BFAllctr_t *) allctr; RBTree_t **root = &bfallctr->mbc_root; @@ -806,7 +805,7 @@ bf_unlink_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) } else { /* Remove from tree */ - tree_delete(allctr, block, flags); + tree_delete(allctr, block); } DESTROY_LIST_ELEM(x); @@ -815,8 +814,7 @@ bf_unlink_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) static Block_t * bf_get_free_block(Allctr_t *allctr, Uint size, - Block_t *cand_blk, Uint cand_size, - Uint32 flags) + Block_t *cand_blk, Uint cand_size) { BFAllctr_t *bfallctr = (BFAllctr_t *) allctr; RBTree_t **root = &bfallctr->mbc_root; @@ -859,7 +857,7 @@ bf_get_free_block(Allctr_t *allctr, Uint size, the tree node */ blk = LIST_NEXT(blk) ? LIST_NEXT(blk) : blk; - bf_unlink_free_block(allctr, (Block_t *) blk, flags); + bf_unlink_free_block(allctr, (Block_t *) blk); return (Block_t *) blk; } diff --git a/erts/emulator/beam/erl_goodfit_alloc.c b/erts/emulator/beam/erl_goodfit_alloc.c index bd728b8a90..e9d8249ee1 100644 --- a/erts/emulator/beam/erl_goodfit_alloc.c +++ b/erts/emulator/beam/erl_goodfit_alloc.c @@ -163,10 +163,10 @@ BKT_MIN_SZ(GFAllctr_t *gfallctr, int ix) /* Prototypes of callback functions */ static Block_t * get_free_block (Allctr_t *, Uint, - Block_t *, Uint, Uint32); -static void link_free_block (Allctr_t *, Block_t *, Uint32); -static void unlink_free_block (Allctr_t *, Block_t *, Uint32); -static void update_last_aux_mbc (Allctr_t *, Carrier_t *, Uint32); + Block_t *, Uint); +static void link_free_block (Allctr_t *, Block_t *); +static void unlink_free_block (Allctr_t *, Block_t *); +static void update_last_aux_mbc (Allctr_t *, Carrier_t *); static Eterm info_options (Allctr_t *, char *, int *, void *, Uint **, Uint *); static void init_atoms (void); @@ -385,7 +385,7 @@ search_bucket(Allctr_t *allctr, int ix, Uint size) static Block_t * get_free_block(Allctr_t *allctr, Uint size, - Block_t *cand_blk, Uint cand_size, Uint32 flags) + Block_t *cand_blk, Uint cand_size) { GFAllctr_t *gfallctr = (GFAllctr_t *) allctr; int unsafe_bi, min_bi; @@ -404,7 +404,7 @@ get_free_block(Allctr_t *allctr, Uint size, if (blk) { if (cand_blk && cand_size <= MBC_FBLK_SZ(blk)) return NULL; /* cand_blk was better */ - unlink_free_block(allctr, blk, flags); + unlink_free_block(allctr, blk); return blk; } if (min_bi < NO_OF_BKTS - 1) { @@ -424,14 +424,14 @@ get_free_block(Allctr_t *allctr, Uint size, ASSERT(blk); if (cand_blk && cand_size <= MBC_FBLK_SZ(blk)) return NULL; /* cand_blk was better */ - unlink_free_block(allctr, blk, flags); + unlink_free_block(allctr, blk); return blk; } static void -link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) +link_free_block(Allctr_t *allctr, Block_t *block) { GFAllctr_t *gfallctr = (GFAllctr_t *) allctr; GFFreeBlock_t *blk = (GFFreeBlock_t *) block; @@ -452,7 +452,7 @@ link_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) } static void -unlink_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) +unlink_free_block(Allctr_t *allctr, Block_t *block) { GFAllctr_t *gfallctr = (GFAllctr_t *) allctr; GFFreeBlock_t *blk = (GFFreeBlock_t *) block; @@ -473,7 +473,7 @@ unlink_free_block(Allctr_t *allctr, Block_t *block, Uint32 flags) } static void -update_last_aux_mbc(Allctr_t *allctr, Carrier_t *mbc, Uint32 flags) +update_last_aux_mbc(Allctr_t *allctr, Carrier_t *mbc) { GFAllctr_t *gfallctr = (GFAllctr_t *) allctr; -- cgit v1.2.3 From c86b42e40622f73bd75ca5599814648701444c6b Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Mon, 3 Jun 2013 14:02:16 +0200 Subject: erts: Rename allocator aoffcbf to aoffcaobf and add documentation in erts_alloc --- erts/doc/src/erts_alloc.xml | 12 +++++++++++- erts/emulator/beam/erl_alloc.c | 2 +- erts/emulator/test/alloc_SUITE_data/coalesce.c | 2 +- erts/emulator/test/alloc_SUITE_data/rbtree.c | 18 +++++++++--------- 4 files changed, 22 insertions(+), 12 deletions(-) (limited to 'erts') diff --git a/erts/doc/src/erts_alloc.xml b/erts/doc/src/erts_alloc.xml index a95b5d7cc4..f79241d692 100644 --- a/erts/doc/src/erts_alloc.xml +++ b/erts/doc/src/erts_alloc.xml @@ -170,6 +170,15 @@ used. The time complexity is proportional to log N, where N is the number of free blocks.

 + Address order first fit carrier address order best fit + +

Strategy: Find the carrier with the lowest address that + can satisfy the requested block size, then find a block within + that carrier using the "adress order best fit" strategy.

+

Implementation: Balanced binary search trees are + used. The time complexity is proportional to log N, where + N is the number of free blocks.

+ Good fit

Strategy: Try to find the best fit, but settle for the best fit @@ -300,10 +309,11 @@ subsystem identifier, only the specific allocator identified will be effected:

- as bf|aobf|aoff|gf|af]]> + as bf|aobf|aoff|aoffcaobf|gf|af]]> Allocation strategy. Valid strategies are bf (best fit), aobf (address order best fit), aoff (address order first fit), + aoffcaobf (address order first fit carrier address order best fit), gf (good fit), and af (a fit). See the description of allocation strategies in "the alloc_util framework" section. asbcst ]]> diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c index d45cd48623..4bb7bae870 100644 --- a/erts/emulator/beam/erl_alloc.c +++ b/erts/emulator/beam/erl_alloc.c @@ -1140,7 +1140,7 @@ handle_au_arg(struct au_init *auip, auip->atype = AOFIRSTFIT; auip->init.aoff.bf_within_carrier = 0; } - else if (strcmp("aoffcbf", alg) == 0) { + else if (strcmp("aoffcaobf", alg) == 0) { auip->atype = AOFIRSTFIT; auip->init.aoff.bf_within_carrier = 1; } diff --git a/erts/emulator/test/alloc_SUITE_data/coalesce.c b/erts/emulator/test/alloc_SUITE_data/coalesce.c index 1fb4d7791d..36710bf7b5 100644 --- a/erts/emulator/test/alloc_SUITE_data/coalesce.c +++ b/erts/emulator/test/alloc_SUITE_data/coalesce.c @@ -267,7 +267,7 @@ void testcase_run(TestCaseState_t *tcs) { char *argv_org[] = {"-tsmbcs511","-tmmbcs511", "-tsbct512", "-trmbcmt100", "-tas", NULL, NULL}; - char *alg[] = {"af", "gf", "bf", "aobf", "aoff", "aoffcbf", NULL}; + char *alg[] = {"af", "gf", "bf", "aobf", "aoff", "aoffcaobf", NULL}; int i; for (i = 0; alg[i]; i++) { diff --git a/erts/emulator/test/alloc_SUITE_data/rbtree.c b/erts/emulator/test/alloc_SUITE_data/rbtree.c index cb4e387056..ef7a9ef01e 100644 --- a/erts/emulator/test/alloc_SUITE_data/rbtree.c +++ b/erts/emulator/test/alloc_SUITE_data/rbtree.c @@ -85,7 +85,7 @@ print_tree(TestCaseState_t *tcs, RBT_t *root) static RBT_t * check_tree(TestCaseState_t *tcs, Allctr_t *alc, Ulong size) { - enum { BF, AOBF, AOFF, AOFFCBF }type; + enum { BF, AOBF, AOFF, AOFFCAOBF }type; int i, max_i; char stk[128]; RBT_t *root, *x, *y, *res; @@ -99,7 +99,7 @@ check_tree(TestCaseState_t *tcs, Allctr_t *alc, Ulong size) else type = BF; } else { /* AOFF_ALGO */ - if (IS_CBF(alc)) type = AOFFCBF; + if (IS_CBF(alc)) type = AOFFCAOBF; else type = AOFF; } @@ -193,7 +193,7 @@ check_tree(TestCaseState_t *tcs, Allctr_t *alc, Ulong size) ASSERT(tcs, y < x); ASSERT(tcs, RBT_MAX_SZ(y) <= RBT_MAX_SZ(x)); break; - case AOFFCBF: + case AOFFCAOBF: { void* x_crr = BLK_TO_MBC(x); void* y_crr = BLK_TO_MBC(y); @@ -221,7 +221,7 @@ check_tree(TestCaseState_t *tcs, Allctr_t *alc, Ulong size) ASSERT(tcs, y > x); ASSERT(tcs, RBT_MAX_SZ(y) <= RBT_MAX_SZ(x)); break; - case AOFFCBF: + case AOFFCAOBF: { void* x_crr = BLK_TO_MBC(x); void* y_crr = BLK_TO_MBC(y); @@ -262,7 +262,7 @@ check_tree(TestCaseState_t *tcs, Allctr_t *alc, Ulong size) res = x; } break; - case AOFFCBF: + case AOFFCAOBF: if (BLK_TO_MBC(x) != BLK_TO_MBC(res) || x_sz == y_sz) { if (x < res) { res = x; @@ -484,7 +484,7 @@ testcase_run(TestCaseState_t *tcs) char *argv1[] = {"-tasbf", NULL}; char *argv2[] = {"-tasaobf", NULL}; char *argv3[] = {"-tasaoff", NULL}; - char *argv4[] = {"-tasaoffcbf", NULL}; + char *argv4[] = {"-tasaoffcaobf", NULL}; Allctr_t *a; rbtree_test_data *td; @@ -555,10 +555,10 @@ testcase_run(TestCaseState_t *tcs) /* Address order first fit, best fit within carrier */ - testcase_printf(tcs, "Starting test of aoffcbf...\n"); + testcase_printf(tcs, "Starting test of aoffcaobf...\n"); current_rbt_type_op_base = AO_FIRSTFIT_OP_BASE; - td->allocator = a = START_ALC("rbtree_aoffcbf_", 0, argv4); + td->allocator = a = START_ALC("rbtree_aoffcaobf_", 0, argv4); ASSERT(tcs, a); ASSERT(tcs, !IS_BF_ALGO(a)); @@ -570,6 +570,6 @@ testcase_run(TestCaseState_t *tcs) STOP_ALC(a); td->allocator = NULL; - testcase_printf(tcs, "aoffcbf test succeeded!\n"); + testcase_printf(tcs, "aoffcaobf test succeeded!\n"); } -- cgit v1.2.3 From 5f44cc8e4d1e7ce6cd978653f45d86f2504413cc Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Mon, 3 Jun 2013 23:01:30 +0200 Subject: erts: Fix failing testcase alloc_SUITE:rbtree --- erts/emulator/test/alloc_SUITE_data/rbtree.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) (limited to 'erts') diff --git a/erts/emulator/test/alloc_SUITE_data/rbtree.c b/erts/emulator/test/alloc_SUITE_data/rbtree.c index ef7a9ef01e..702f075304 100644 --- a/erts/emulator/test/alloc_SUITE_data/rbtree.c +++ b/erts/emulator/test/alloc_SUITE_data/rbtree.c @@ -297,13 +297,16 @@ check_tree(TestCaseState_t *tcs, Allctr_t *alc, Ulong size) } static void -do_check(TestCaseState_t *tcs, Allctr_t *a, Ulong size) +do_check(TestCaseState_t *tcs, Allctr_t *a, Ulong size, int ignore_null) { Ulong sz = ((size + 7) / 8)*8; void *tmp; Block_t *x, *y; x = (Block_t *) check_tree(tcs, a, sz); + if (!x && ignore_null) + return; + tmp = ALLOC(a, sz - ABLK_HDR_SZ); ASSERT(tcs, tmp); y = UMEM2BLK(tmp); @@ -340,7 +343,7 @@ test_it(TestCaseState_t *tcs) blk[i] = NULL; } if (i % (NO_BLOCKS/2) == 0) - do_check(tcs, a, 50); + do_check(tcs, a, 50, 0); } for (i = 0; i < NO_BLOCKS; i++) { @@ -349,7 +352,7 @@ test_it(TestCaseState_t *tcs) blk[i] = NULL; } if (i % (NO_BLOCKS/2) == 0) - do_check(tcs, a, 200); + do_check(tcs, a, 200, 0); } for (i = 0; i < NO_BLOCKS; i++) { @@ -358,15 +361,15 @@ test_it(TestCaseState_t *tcs) blk[i] = NULL; } if (i % (NO_BLOCKS/2) == 0) - do_check(tcs, a, 100); + do_check(tcs, a, 100, 0); } - do_check(tcs, a, 250); + do_check(tcs, a, 250, 0); for (i = 0; i < NO_BLOCKS; i++) { FREE(a, fence[i]); if (i % (NO_BLOCKS/3) == 0) - do_check(tcs, a, 300); + do_check(tcs, a, 300, 0); } ASSERT(tcs, RBT_ROOT(a,0)); @@ -423,7 +426,7 @@ test_carrier_migration(TestCaseState_t *tcs) blk[i] = NULL; } if (i % (NO_BLOCKS/2) == 0) - do_check(tcs, a, 50); + do_check(tcs, a, 50, 1); } for (i = 0; i < NO_BLOCKS; i++) { @@ -433,7 +436,7 @@ test_carrier_migration(TestCaseState_t *tcs) ASSERT(tcs, BLK_TO_MBC(UMEM2BLK(blk[i])) != crr); } if (i % (NO_BLOCKS/2) == 0) - do_check(tcs, a, 50); + do_check(tcs, a, 50, 1); } if (crr) { ADD_MBC(a, crr); -- cgit v1.2.3 From 15bcffe9f317ddefde69fcc89d31a9309341b917 Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Wed, 22 May 2013 18:27:07 +0200 Subject: erts: Use Uint64 for call counts --- erts/emulator/beam/erl_alloc_util.c | 57 ++++++++++++++++--------------------- erts/emulator/beam/erl_alloc_util.h | 5 +--- 2 files changed, 26 insertions(+), 36 deletions(-) (limited to 'erts') diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index 996259f30a..a460030db0 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -98,13 +98,12 @@ static Uint max_mseg_carriers; #define ONE_GIGA (1000000000) -#define INC_CC(CC) ((CC).no == ONE_GIGA - 1 \ - ? ((CC).giga_no++, (CC).no = 0) \ - : (CC).no++) +#define ERTS_ALC_CC_GIGA_VAL(CC) ((CC) / ONE_GIGA) +#define ERTS_ALC_CC_VAL(CC) ((CC) % ONE_GIGA) -#define DEC_CC(CC) ((CC).no == 0 \ - ? ((CC).giga_no--, (CC).no = ONE_GIGA - 1) \ - : (CC).no--) +#define INC_CC(CC) ((CC)++) + +#define DEC_CC(CC) ((CC)--) /* Multi block carrier (MBC) memory layout in R16: @@ -2720,16 +2719,10 @@ info_calls(Allctr_t *allctr, if (print_to_p) { #define PRINT_CC_4(TO, TOA, NAME, CC) \ - if ((CC).giga_no == 0) \ - erts_print(TO, TOA, "%s calls: %b32u\n", NAME, CC.no); \ - else \ - erts_print(TO, TOA, "%s calls: %b32u%09lu\n", NAME, CC.giga_no, CC.no) + erts_print(TO, TOA, "%s calls: %b64u\n", NAME, CC) #define PRINT_CC_5(TO, TOA, PRFX, NAME, CC) \ - if ((CC).giga_no == 0) \ - erts_print(TO, TOA, "%s%s calls: %b32u\n",PRFX,NAME,CC.no); \ - else \ - erts_print(TO, TOA, "%s%s calls: %b32u%09lu\n",PRFX,NAME,CC.giga_no,CC.no) + erts_print(TO, TOA, "%s%s calls: %b64u\n",PRFX,NAME,CC) char *prefix = allctr->name_prefix; int to = *print_to_p; @@ -2765,42 +2758,42 @@ info_calls(Allctr_t *allctr, add_3tup(hpp, szp, &res, am.sys_realloc, - bld_unstable_uint(hpp, szp, allctr->calls.sys_realloc.giga_no), - bld_unstable_uint(hpp, szp, allctr->calls.sys_realloc.no)); + bld_unstable_uint(hpp, szp, ERTS_ALC_CC_GIGA_VAL(allctr->calls.sys_realloc)), + bld_unstable_uint(hpp, szp, ERTS_ALC_CC_VAL(allctr->calls.sys_realloc))); add_3tup(hpp, szp, &res, am.sys_free, - bld_unstable_uint(hpp, szp, allctr->calls.sys_free.giga_no), - bld_unstable_uint(hpp, szp, allctr->calls.sys_free.no)); + bld_unstable_uint(hpp, szp, ERTS_ALC_CC_GIGA_VAL(allctr->calls.sys_free)), + bld_unstable_uint(hpp, szp, ERTS_ALC_CC_VAL(allctr->calls.sys_free))); add_3tup(hpp, szp, &res, am.sys_alloc, - bld_unstable_uint(hpp, szp, allctr->calls.sys_alloc.giga_no), - bld_unstable_uint(hpp, szp, allctr->calls.sys_alloc.no)); + bld_unstable_uint(hpp, szp, ERTS_ALC_CC_GIGA_VAL(allctr->calls.sys_alloc)), + bld_unstable_uint(hpp, szp, ERTS_ALC_CC_VAL(allctr->calls.sys_alloc))); #if HAVE_ERTS_MSEG add_3tup(hpp, szp, &res, am.mseg_realloc, - bld_unstable_uint(hpp, szp, allctr->calls.mseg_realloc.giga_no), - bld_unstable_uint(hpp, szp, allctr->calls.mseg_realloc.no)); + bld_unstable_uint(hpp, szp, ERTS_ALC_CC_GIGA_VAL(allctr->calls.mseg_realloc)), + bld_unstable_uint(hpp, szp, ERTS_ALC_CC_VAL(allctr->calls.mseg_realloc))); add_3tup(hpp, szp, &res, am.mseg_dealloc, - bld_unstable_uint(hpp, szp, allctr->calls.mseg_dealloc.giga_no), - bld_unstable_uint(hpp, szp, allctr->calls.mseg_dealloc.no)); + bld_unstable_uint(hpp, szp, ERTS_ALC_CC_GIGA_VAL(allctr->calls.mseg_dealloc)), + bld_unstable_uint(hpp, szp, ERTS_ALC_CC_VAL(allctr->calls.mseg_dealloc))); add_3tup(hpp, szp, &res, am.mseg_alloc, - bld_unstable_uint(hpp, szp, allctr->calls.mseg_alloc.giga_no), - bld_unstable_uint(hpp, szp, allctr->calls.mseg_alloc.no)); + bld_unstable_uint(hpp, szp, ERTS_ALC_CC_GIGA_VAL(allctr->calls.mseg_alloc)), + bld_unstable_uint(hpp, szp, ERTS_ALC_CC_VAL(allctr->calls.mseg_alloc))); #endif add_3tup(hpp, szp, &res, allctr->name.realloc, - bld_unstable_uint(hpp, szp, allctr->calls.this_realloc.giga_no), - bld_unstable_uint(hpp, szp, allctr->calls.this_realloc.no)); + bld_unstable_uint(hpp, szp, ERTS_ALC_CC_GIGA_VAL(allctr->calls.this_realloc)), + bld_unstable_uint(hpp, szp, ERTS_ALC_CC_VAL(allctr->calls.this_realloc))); add_3tup(hpp, szp, &res, allctr->name.free, - bld_unstable_uint(hpp, szp, allctr->calls.this_free.giga_no), - bld_unstable_uint(hpp, szp, allctr->calls.this_free.no)); + bld_unstable_uint(hpp, szp, ERTS_ALC_CC_GIGA_VAL(allctr->calls.this_free)), + bld_unstable_uint(hpp, szp, ERTS_ALC_CC_VAL(allctr->calls.this_free))); add_3tup(hpp, szp, &res, allctr->name.alloc, - bld_unstable_uint(hpp, szp, allctr->calls.this_alloc.giga_no), - bld_unstable_uint(hpp, szp, allctr->calls.this_alloc.no)); + bld_unstable_uint(hpp, szp, ERTS_ALC_CC_GIGA_VAL(allctr->calls.this_alloc)), + bld_unstable_uint(hpp, szp, ERTS_ALC_CC_VAL(allctr->calls.this_alloc))); } return res; diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h index 8a29ee601d..772dd5024f 100644 --- a/erts/emulator/beam/erl_alloc_util.h +++ b/erts/emulator/beam/erl_alloc_util.h @@ -305,10 +305,7 @@ typedef struct { typedef UWord FreeBlkFtr_t; /* Footer of a free block */ -typedef struct { - UWord giga_no; - UWord no; -} CallCounter_t; +typedef Uint64 CallCounter_t; typedef struct { UWord no; -- cgit v1.2.3 From 658672ae7a4f6f3ce405beee3950a2db592dd75c Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Wed, 22 May 2013 22:49:01 +0200 Subject: erts: Fix type errors in info functions --- erts/emulator/beam/erl_alloc_util.c | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) (limited to 'erts') diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index a460030db0..f2f4d202bb 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -2438,19 +2438,22 @@ ensure_atoms_initialized(Allctr_t *allctr) * that would fit a small when size check is done may need to be built * as a big when the actual build is performed. Caller is required to * HRelease after build. + * + * Note, bld_unstable_uint() should have been called bld_unstable_uword() + * but we do not want to rename it... */ static ERTS_INLINE Eterm -bld_unstable_uint(Uint **hpp, Uint *szp, Uint ui) +bld_unstable_uint(Uint **hpp, Uint *szp, UWord ui) { Eterm res = THE_NON_VALUE; if (szp) - *szp += BIG_UINT_HEAP_SIZE; + *szp += BIG_UWORD_HEAP_SIZE(~((UWord) 0)); if (hpp) { if (IS_USMALL(0, ui)) res = make_small(ui); else { - res = uint_to_big(ui, *hpp); - *hpp += BIG_UINT_HEAP_SIZE; + res = uword_to_big(ui, *hpp); + *hpp += BIG_UWORD_HEAP_SIZE(ui); } } return res; @@ -2528,7 +2531,7 @@ sz_info_carriers(Allctr_t *allctr, Uint *szp) { Eterm res = THE_NON_VALUE; - Uint curr_size = cs->curr.norm.mseg.size + cs->curr.norm.sys_alloc.size; + UWord curr_size = cs->curr.norm.mseg.size + cs->curr.norm.sys_alloc.size; if (print_to_p) { int to = *print_to_p; @@ -2542,7 +2545,7 @@ sz_info_carriers(Allctr_t *allctr, cs->blocks.max_ever.size); erts_print(to, arg, - "%scarriers size: %beu %bpu %bpu\n", + "%scarriers size: %bpu %bpu %bpu\n", prefix, curr_size, cs->max.size, @@ -2576,7 +2579,7 @@ info_carriers(Allctr_t *allctr, Uint *szp) { Eterm res = THE_NON_VALUE; - Uint curr_no, curr_size; + UWord curr_no, curr_size; curr_no = cs->curr.norm.mseg.no + cs->curr.norm.sys_alloc.no; curr_size = cs->curr.norm.mseg.size + cs->curr.norm.sys_alloc.size; @@ -2600,7 +2603,7 @@ info_carriers(Allctr_t *allctr, cs->blocks.max_ever.size); erts_print(to, arg, - "%scarriers: %beu %bpu %bpu\n", + "%scarriers: %bpu %bpu %bpu\n", prefix, curr_no, cs->max.no, @@ -2619,7 +2622,7 @@ info_carriers(Allctr_t *allctr, cs->curr.norm.sys_alloc.no); erts_print(to, arg, - "%scarriers size: %beu %bpu %bpu\n", + "%scarriers size: %bpu %bpu %bpu\n", prefix, curr_size, cs->max.size, -- cgit v1.2.3 From 28cb303209de159936f7ae997f222fcc875bd855 Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Wed, 15 May 2013 17:27:16 +0200 Subject: erts: Implement carrier pool --- erts/emulator/beam/erl_alloc_util.c | 528 +++++++++++++++++++++++++++++++++++- erts/emulator/beam/erl_alloc_util.h | 37 ++- 2 files changed, 557 insertions(+), 8 deletions(-) (limited to 'erts') diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index f2f4d202bb..d549d58e7e 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -293,8 +293,46 @@ MBC after deallocating first block: /* Carriers ... */ -#define SBC_HEADER_SIZE (UNIT_CEILING(sizeof(Carrier_t) + ABLK_HDR_SZ) \ - - ABLK_HDR_SZ) +/* #define ERTS_ALC_CPOOL_DEBUG */ + +#if defined(DEBUG) && !defined(ERTS_ALC_CPOOL_DEBUG) +# define ERTS_ALC_CPOOL_DEBUG +#endif + +#ifndef ERTS_SMP +# undef ERTS_ALC_CPOOL_DEBUG +#endif + +#ifdef ERTS_ALC_CPOOL_DEBUG +# define ERTS_ALC_CPOOL_ASSERT(A) \ + ((void) ((A) \ + ? 1 \ + : (erts_alcu_assert_failed(#A, \ + (char *) __FILE__, \ + __LINE__, \ + (char *) __func__), \ + 0))) +#else +# define ERTS_ALC_CPOOL_ASSERT(A) ((void) 1) +#endif + +#define ERTS_ALC_IS_CPOOL_ENABLED(A) ((A)->cpool.util_limit) + +#define ERTS_CRR_ALCTR_FLG_IN_POOL (((erts_aint_t) 1) << 0) +#define ERTS_CRR_ALCTR_FLG_BUSY (((erts_aint_t) 1) << 1) + +#ifdef ERTS_SMP +#define SBC_HEADER_SIZE \ + (UNIT_CEILING(sizeof(Carrier_t) \ + - sizeof(ErtsAlcCPoolData_t) \ + + ABLK_HDR_SZ) \ + - ABLK_HDR_SZ) +#else +#define SBC_HEADER_SIZE \ + (UNIT_CEILING(sizeof(Carrier_t) \ + + ABLK_HDR_SZ) \ + - ABLK_HDR_SZ) +#endif #define MBC_HEADER_SIZE(AP) ((AP)->mbc_header_size) @@ -307,7 +345,8 @@ MBC after deallocating first block: #define SCH_SBC SBC_CARRIER_HDR_FLAG #define SET_CARRIER_HDR(C, Sz, F, AP) \ - (ASSERT(((Sz) & FLG_MASK) == 0), (C)->chdr = ((Sz) | (F)), (C)->allctr = (AP)) + (ASSERT(((Sz) & FLG_MASK) == 0), (C)->chdr = ((Sz) | (F)), \ + erts_smp_atomic_init_nob(&(C)->allctr, (erts_aint_t) (AP))) #define BLK_TO_SBC(B) \ ((Carrier_t *) (((char *) (B)) - SBC_HEADER_SIZE)) @@ -547,6 +586,35 @@ static Block_t *create_carrier(Allctr_t *, Uint, UWord); static void destroy_carrier(Allctr_t *, Block_t *); static void mbc_free(Allctr_t *allctr, void *p); +/* internal data... */ + +#if 0 + +static ERTS_INLINE void * +internal_alloc(UWord size) +{ + void *res = erts_sys_alloc(0, NULL, size); + if (!res) + erts_alloc_enomem(ERTS_ALC_T_UNDEF, size); + return res; +} + +static ERTS_INLINE void * +internal_realloc(void *ptr, UWord size) +{ + void *res = erts_sys_realloc(0, NULL, ptr, size); + if (!res) + erts_alloc_enomem(ERTS_ALC_T_UNDEF, size); + return res; +} + +static ERTS_INLINE void +internal_free(void *ptr) +{ + erts_sys_free(0, NULL, ptr); +} + +#endif /* mseg ... */ @@ -835,22 +903,28 @@ get_pref_allctr(void *extra) * the "PREV_FREE" flag bit. */ static ERTS_INLINE Allctr_t* -get_used_allctr(void *extra, void *p, UWord *sizep) +get_used_allctr(Allctr_t *pref_allctr, void *extra, void *p, UWord *sizep) { Block_t* blk = UMEM2BLK(p); Carrier_t* crr; + erts_aint_t iallctr; if (IS_SBC_BLK(blk)) { crr = BLK_TO_SBC(blk); if (sizep) *sizep = SBC_BLK_SZ(blk) - ABLK_HDR_SZ; + iallctr = erts_smp_atomic_read_dirty(&crr->allctr); } else { crr = ABLK_TO_MBC(blk); if (sizep) *sizep = MBC_ABLK_SZ(blk) - ABLK_HDR_SZ; + if (!ERTS_ALC_IS_CPOOL_ENABLED(pref_allctr)) + iallctr = erts_smp_atomic_read_dirty(&crr->allctr); + else + iallctr = erts_smp_atomic_read_ddrb(&crr->allctr); } - return crr->allctr; + return (Allctr_t *) (iallctr & ~FLG_MASK); } static void @@ -1819,6 +1893,413 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) #endif /* !MBC_REALLOC_ALWAYS_MOVES */ } +#ifdef ERTS_SMP + +#define ERTS_ALC_CPOOL_MAX_FETCH_INSPECT 10 + +#define ERTS_ALC_CPOOL_PTR_MOD_MRK (((erts_aint_t) 1) << 0) +#define ERTS_ALC_CPOOL_PTR_DEL_MRK (((erts_aint_t) 1) << 1) + +#define ERTS_ALC_CPOOL_PTR_MRKS \ + (ERTS_ALC_CPOOL_PTR_MOD_MRK | ERTS_ALC_CPOOL_PTR_DEL_MRK) + +/* + * When setting multiple mod markers we always + * set mod markers in pointer order and always + * on next pointers before prev pointers. + */ + +typedef union { + ErtsAlcCPoolData_t sentinel; + char align__[ERTS_ALC_CACHE_LINE_ALIGN_SIZE(sizeof(ErtsAlcCPoolData_t))]; +} ErtsAlcCrrPool_t; + +#if ERTS_ALC_A_INVALID != 0 +# error "Carrier pool implementation assumes ERTS_ALC_A_INVALID == 0" +#endif +#if ERTS_ALC_A_MIN <= ERTS_ALC_A_INVALID +# error "Carrier pool implementation assumes ERTS_ALC_A_MIN > ERTS_ALC_A_INVALID" +#endif + +static ErtsAlcCrrPool_t carrier_pool[ERTS_ALC_A_MAX+1] erts_align_attribute(ERTS_CACHE_LINE_SIZE); + +#define ERTS_ALC_CPOOL_MAX_BACKOFF (1 << 8) + +static int +backoff(int n) +{ + int i; + + for (i = 0; i < n; i++) + ERTS_SPIN_BODY; + + if (n >= ERTS_ALC_CPOOL_MAX_BACKOFF) + return ERTS_ALC_CPOOL_MAX_BACKOFF; + else + return n << 1; +} + +static int +cpool_dbg_is_in_pool(Allctr_t *allctr, Carrier_t *crr) +{ + ErtsAlcCPoolData_t *sentinel = &carrier_pool[allctr->alloc_no].sentinel; + ErtsAlcCPoolData_t *cpdp = sentinel; + Carrier_t *tmp_crr; + + while (1) { + cpdp = (ErtsAlcCPoolData_t *) (erts_atomic_read_ddrb(&cpdp->next) & ~FLG_MASK); + if (cpdp == sentinel) + return 0; + tmp_crr = (Carrier_t *) (((char *) cpdp) - offsetof(Carrier_t, cpool)); + if (tmp_crr == crr) + return 1; + } +} + +static int +cpool_is_empty(Allctr_t *allctr) +{ + ErtsAlcCPoolData_t *sentinel = &carrier_pool[allctr->alloc_no].sentinel; + return ((erts_atomic_read_rb(&sentinel->next) == (erts_aint_t) sentinel) + && (erts_atomic_read_rb(&sentinel->prev) == (erts_aint_t) sentinel)); +} + +static ERTS_INLINE ErtsAlcCPoolData_t * +cpool_aint2cpd(erts_aint_t aint) +{ + return (ErtsAlcCPoolData_t *) (aint & ~ERTS_ALC_CPOOL_PTR_MRKS); +} + +static ERTS_INLINE erts_aint_t +cpool_read(erts_atomic_t *aptr) +{ + return erts_atomic_read_acqb(aptr); +} + +static ERTS_INLINE void +cpool_init(erts_atomic_t *aptr, erts_aint_t val) +{ + erts_atomic_set_nob(aptr, val); +} + +static ERTS_INLINE void +cpool_set_mod_marked(erts_atomic_t *aptr, erts_aint_t new, erts_aint_t old) +{ +#ifdef ERTS_ALC_CPOOL_DEBUG + erts_aint_t act = erts_atomic_xchg_relb(aptr, new); + ERTS_ALC_CPOOL_ASSERT(act == (old | ERTS_ALC_CPOOL_PTR_MOD_MRK)); +#else + erts_atomic_set_relb(aptr, new); +#endif +} + + +static ERTS_INLINE erts_aint_t +cpool_try_mod_mark_exp(erts_atomic_t *aptr, erts_aint_t exp) +{ + ERTS_ALC_CPOOL_ASSERT((exp & ERTS_ALC_CPOOL_PTR_MOD_MRK) == 0); + return erts_atomic_cmpxchg_nob(aptr, exp | ERTS_ALC_CPOOL_PTR_MOD_MRK, exp); +} + +static ERTS_INLINE erts_aint_t +cpool_mod_mark_exp(erts_atomic_t *aptr, erts_aint_t exp) +{ + int b; + erts_aint_t act; + ERTS_ALC_CPOOL_ASSERT((exp & ERTS_ALC_CPOOL_PTR_MOD_MRK) == 0); + while (1) { + act = erts_atomic_cmpxchg_nob(aptr, + exp | ERTS_ALC_CPOOL_PTR_MOD_MRK, + exp); + if (act == exp) + return exp; + b = 1; + do { + if ((act & ~ERTS_ALC_CPOOL_PTR_MOD_MRK) != exp) + return act; + b = backoff(b); + act = erts_atomic_read_nob(aptr); + } while (act != exp); + } +} + +static ERTS_INLINE erts_aint_t +cpool_mod_mark(erts_atomic_t *aptr) +{ + int b; + erts_aint_t act, exp; + act = cpool_read(aptr); + while (1) { + b = 1; + while (act & ERTS_ALC_CPOOL_PTR_MOD_MRK) { + b = backoff(b); + act = erts_atomic_read_nob(aptr); + } + exp = act; + act = erts_atomic_cmpxchg_acqb(aptr, + exp | ERTS_ALC_CPOOL_PTR_MOD_MRK, + exp); + if (act == exp) + return exp; + } +} + +static void +cpool_insert(Allctr_t *allctr, Carrier_t *crr) +{ + ErtsAlcCPoolData_t *cpd1p, *cpd2p; + erts_aint_t val; + ErtsAlcCPoolData_t *sentinel = &carrier_pool[allctr->alloc_no].sentinel; + + ERTS_ALC_CPOOL_ASSERT(erts_smp_atomic_read_nob(&crr->allctr) + == (erts_aint_t) allctr); + + + erts_atomic_add_nob(&allctr->cpool.stat.blocks_size, + (erts_aint_t) crr->cpool.blocks_size); + erts_atomic_add_nob(&allctr->cpool.stat.no_blocks, + (erts_aint_t) crr->cpool.blocks); + erts_atomic_add_nob(&allctr->cpool.stat.carriers_size, + (erts_aint_t) CARRIER_SZ(crr)); + erts_atomic_inc_nob(&allctr->cpool.stat.no_carriers); + + erts_smp_atomic_set_nob(&crr->allctr, + ((erts_aint_t) allctr)|ERTS_CRR_ALCTR_FLG_IN_POOL); + + /* + * We search in 'next' direction and begin by passing + * one element before trying to insert. This in order to + * avoid contention with threads fetching elements. + */ + + val = cpool_read(&sentinel->next); + + /* Find a predecessor to be, and set mod marker on its next ptr */ + + while (1) { + cpd1p = cpool_aint2cpd(val); + if (cpd1p == sentinel) { + val = cpool_mod_mark(&cpd1p->next); + break; + } + val = cpool_read(&cpd1p->next); + if (!(val & ERTS_ALC_CPOOL_PTR_MRKS)) { + erts_aint_t tmp = cpool_try_mod_mark_exp(&cpd1p->next, val); + if (tmp == val) { + val = tmp; + break; + } + val = tmp; + } + } + + /* Set mod marker on prev ptr of the to be successor */ + + cpd2p = cpool_aint2cpd(val); + + cpool_init(&crr->cpool.next, (erts_aint_t) cpd2p); + cpool_init(&crr->cpool.prev, (erts_aint_t) cpd1p); + + val = (erts_aint_t) cpd1p; + + while (1) { + int b; + erts_aint_t tmp; + + tmp = cpool_mod_mark_exp(&cpd2p->prev, val); + if (tmp == val) + break; + b = 1; + do { + b = backoff(b); + tmp = cpool_read(&cpd2p->prev); + } while (tmp != val); + } + + /* Write pointers to this element in successor and predecessor */ + + cpool_set_mod_marked(&cpd1p->next, + (erts_aint_t) &crr->cpool, + (erts_aint_t) cpd2p); + cpool_set_mod_marked(&cpd2p->prev, + (erts_aint_t) &crr->cpool, + (erts_aint_t) cpd1p); +} + +static void +cpool_delete(Allctr_t *allctr, Allctr_t *prev_allctr, Carrier_t *crr) +{ + ErtsAlcCPoolData_t *cpd1p, *cpd2p; + erts_aint_t val; +#ifdef ERTS_ALC_CPOOL_DEBUG + ErtsAlcCPoolData_t *sentinel = &carrier_pool[allctr->alloc_no].sentinel; +#endif + + ERTS_ALC_CPOOL_ASSERT(sentinel != &crr->cpool); + + /* Set mod marker on next ptr of our predecessor */ + + val = (erts_aint_t) &crr->cpool; + while (1) { + erts_aint_t tmp; + cpd1p = cpool_aint2cpd(cpool_read(&crr->cpool.prev)); + tmp = cpool_mod_mark_exp(&cpd1p->next, val); + if (tmp == val) + break; + } + + /* Set mod marker on our next ptr */ + + val = cpool_mod_mark(&crr->cpool.next); + + /* Set mod marker on the prev ptr of our successor */ + + cpd2p = cpool_aint2cpd(val); + + val = (erts_aint_t) &crr->cpool; + + while (1) { + int b; + erts_aint_t tmp; + + tmp = cpool_mod_mark_exp(&cpd2p->prev, val); + if (tmp == val) + break; + b = 1; + do { + b = backoff(b); + tmp = cpool_read(&cpd2p->prev); + } while (tmp != val); + } + + /* Set mod marker on our prev ptr */ + + val = (erts_aint_t) cpd1p; + + while (1) { + int b; + erts_aint_t tmp; + + tmp = cpool_mod_mark_exp(&crr->cpool.prev, val); + if (tmp == val) + break; + b = 1; + do { + b = backoff(b); + tmp = cpool_read(&cpd2p->prev); + } while (tmp != val); + } + + /* Write pointers past this element in predecessor and successor */ + + cpool_set_mod_marked(&cpd1p->next, + (erts_aint_t) cpd2p, + (erts_aint_t) &crr->cpool); + cpool_set_mod_marked(&cpd2p->prev, + (erts_aint_t) cpd1p, + (erts_aint_t) &crr->cpool); + + /* Repleace mod markers with delete markers on this element */ + cpool_set_mod_marked(&crr->cpool.next, + ((erts_aint_t) cpd2p) | ERTS_ALC_CPOOL_PTR_DEL_MRK, + ((erts_aint_t) cpd2p) | ERTS_ALC_CPOOL_PTR_MOD_MRK); + cpool_set_mod_marked(&crr->cpool.prev, + ((erts_aint_t) cpd1p) | ERTS_ALC_CPOOL_PTR_DEL_MRK, + ((erts_aint_t) cpd1p) | ERTS_ALC_CPOOL_PTR_MOD_MRK); + + crr->cpool.thr_prgr = erts_thr_progress_later(NULL); + + erts_atomic_add_nob(&prev_allctr->cpool.stat.blocks_size, + -((erts_aint_t) -crr->cpool.blocks_size)); + erts_atomic_add_nob(&prev_allctr->cpool.stat.no_blocks, + -((erts_aint_t) crr->cpool.blocks)); + erts_atomic_add_nob(&prev_allctr->cpool.stat.carriers_size, + -((erts_aint_t) CARRIER_SZ(crr))); + erts_atomic_dec_wb(&prev_allctr->cpool.stat.no_carriers); + +} + +static Carrier_t * +cpool_fetch(Allctr_t *allctr, UWord size) +{ + int i; + Carrier_t *crr; + ErtsAlcCPoolData_t *cpdp; + ErtsAlcCPoolData_t *sentinel = &carrier_pool[allctr->alloc_no].sentinel; + + i = 0; + + /* First; check our own pending dealloc carrier list... */ + crr = allctr->cpool.dc_list.last; + while (crr && i < ERTS_ALC_CPOOL_MAX_FETCH_INSPECT) { + if (erts_atomic_read_nob(&crr->cpool.max_size) >= size) { + unlink_carrier(&allctr->cpool.dc_list, crr); + return crr; + } + crr = crr->prev; + i++; + } + + /* ... then the pool ... */ + + /* + * We search in 'prev' direction and begin by passing + * one element before trying to fetch. This in order to + * avoid contention with threads inserting elements. + */ + + cpdp = cpool_aint2cpd(cpool_read(&sentinel->prev)); + if (cpdp == sentinel) + return NULL; + + while (i < ERTS_ALC_CPOOL_MAX_FETCH_INSPECT) { + erts_aint_t exp; + cpdp = cpool_aint2cpd(cpool_read(&cpdp->prev)); + if (cpdp == sentinel) { + cpdp = cpool_aint2cpd(cpool_read(&cpdp->prev)); + if (cpdp == sentinel) + return NULL; + i = ERTS_ALC_CPOOL_MAX_FETCH_INSPECT; /* Last one to inspect */ + } + crr = (Carrier_t *) (((char *) cpdp) - offsetof(Carrier_t, cpool)); + exp = erts_smp_atomic_read_rb(&crr->allctr); + if (((exp & (ERTS_CRR_ALCTR_FLG_IN_POOL|ERTS_CRR_ALCTR_FLG_BUSY)) + == ERTS_CRR_ALCTR_FLG_IN_POOL) + && (erts_atomic_read_nob(&cpdp->max_size) >= size)) { + erts_aint_t act; + /* Try to fetch it... */ + act = erts_smp_atomic_cmpxchg_mb(&crr->allctr, + (erts_aint_t) allctr, + exp); + if (act == exp) { + cpool_delete(allctr, ((Allctr_t *) (act & ~FLG_MASK)), crr); + return crr; + } + } + i++; + } + return NULL; +} + +static ERTS_INLINE void +cpool_init_carrier_data(Allctr_t *allctr, Carrier_t *crr) +{ + UWord limit, csz; + erts_atomic_init_nob(&crr->cpool.next, ERTS_AINT_NULL); + erts_atomic_init_nob(&crr->cpool.prev, ERTS_AINT_NULL); + crr->cpool.thr_prgr = ERTS_THR_PRGR_INVALID; + erts_atomic_init_nob(&crr->cpool.max_size, 0); + csz = CARRIER_SZ(crr); + limit = csz*allctr->cpool.util_limit; + if (limit > csz) + limit /= 100; + else + limit = (csz/100)*allctr->cpool.util_limit; + crr->cpool.abandon_limit = limit; +} + +#endif /* ERTS_SMP */ + #ifdef DEBUG #if HAVE_ERTS_MSEG @@ -3487,7 +3968,7 @@ erts_alcu_free_thr_pref(ErtsAlcType_t type, void *extra, void *p) Allctr_t *pref_allctr, *used_allctr; pref_allctr = get_pref_allctr(extra); - used_allctr = get_used_allctr(extra, p, NULL); + used_allctr = get_used_allctr(pref_allctr, extra, p, NULL); if (pref_allctr != used_allctr) enqueue_dealloc_other_instance(type, used_allctr, @@ -3787,7 +4268,7 @@ realloc_thr_pref(ErtsAlcType_t type, void *extra, void *p, Uint size, return erts_alcu_alloc_thr_pref(type, extra, size); pref_allctr = get_pref_allctr(extra); - used_allctr = get_used_allctr(extra, p, &old_user_size); + used_allctr = get_used_allctr(pref_allctr, extra, p, &old_user_size); ASSERT(used_allctr && pref_allctr); @@ -3938,6 +4419,17 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init) if (sz > allctr->min_block_size) allctr->min_block_size = sz; } + + allctr->cpool.dc_list.first = NULL; + allctr->cpool.dc_list.last = NULL; + allctr->cpool.abandon_limit = 0; + allctr->cpool.insert_allowed_cc = 0; + erts_atomic_init_nob(&allctr->cpool.stat.blocks_size, 0); + erts_atomic_init_nob(&allctr->cpool.stat.no_blocks, 0); + erts_atomic_init_nob(&allctr->cpool.stat.carriers_size, 0); + erts_atomic_init_nob(&allctr->cpool.stat.no_carriers, 0); + allctr->cpool.check_limit_count = 0; + allctr->cpool.util_limit = 0; #endif allctr->sbc_threshold = init->sbct; @@ -4081,6 +4573,14 @@ erts_alcu_stop(Allctr_t *allctr) void erts_alcu_init(AlcUInit_t *init) { +#ifdef ERTS_SMP + int i; + for (i = 0; i <= ERTS_ALC_A_MAX; i++) { + ErtsAlcCPoolData_t *sentinel = &carrier_pool[i].sentinel; + erts_atomic_init_nob(&sentinel->next, (erts_aint_t) sentinel); + erts_atomic_init_nob(&sentinel->prev, (erts_aint_t) sentinel); + } +#endif ASSERT(SBC_BLK_SZ_MASK == MBC_FBLK_SZ_MASK); /* see BLK_SZ */ #if HAVE_ERTS_MSEG ASSERT(erts_mseg_unit_size() == MSEG_UNIT_SZ); @@ -4155,6 +4655,20 @@ erts_alcu_test(UWord op, UWord a1, UWord a2) * Debug functions * \* */ +void +erts_alcu_assert_failed(char* expr, char* file, int line, char *func) +{ + fflush(stdout); + fprintf(stderr, "%s:%d:%s(): Assertion failed: %s\n", + file, line, func, expr); + fflush(stderr); +#if defined(__WIN__) || defined(__WIN32__) + DebugBreak(); +#else + abort(); +#endif +} + void erts_alcu_verify_unused(Allctr_t *allctr) { diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h index 772dd5024f..14fe289f7f 100644 --- a/erts/emulator/beam/erl_alloc_util.h +++ b/erts/emulator/beam/erl_alloc_util.h @@ -251,12 +251,30 @@ erts_aint32_t erts_alcu_fix_alloc_shrink(Allctr_t *, erts_aint32_t); typedef union {char c[ERTS_ALLOC_ALIGN_BYTES]; long l; double d;} Unit_t; +#ifdef ERTS_SMP + +typedef struct { + erts_atomic_t next; + erts_atomic_t prev; + ErtsThrPrgrVal thr_prgr; + erts_atomic_t max_size; + UWord abandon_limit; + /* Statistics */ + UWord blocks; + UWord blocks_size; +} ErtsAlcCPoolData_t; + +#endif + typedef struct Carrier_t_ Carrier_t; struct Carrier_t_ { UWord chdr; Carrier_t *next; Carrier_t *prev; - Allctr_t *allctr; + erts_smp_atomic_t allctr; +#ifdef ERTS_SMP + ErtsAlcCPoolData_t cpool; /* Overwritten by block if sbc */ +#endif }; typedef struct { @@ -442,6 +460,21 @@ struct Allctr_t_ { /* Carriers */ CarrierList_t mbc_list; CarrierList_t sbc_list; +#ifdef ERTS_SMP + struct { + CarrierList_t dc_list; + UWord abandon_limit; + CallCounter_t insert_allowed_cc; + int check_limit_count; + int util_limit; + struct { + erts_atomic_t blocks_size; + erts_atomic_t no_blocks; + erts_atomic_t carriers_size; + erts_atomic_t no_carriers; + } stat; + } cpool; +#endif /* Main carrier (if there is one) */ Carrier_t * main_carrier; @@ -523,6 +556,8 @@ void erts_alcu_verify_unused_ts(Allctr_t *allctr); UWord erts_alcu_test(UWord, UWord, UWord); +void erts_alcu_assert_failed(char* expr, char* file, int line, char *func); + #ifdef DEBUG int is_sbc_blk(Block_t*); #endif -- cgit v1.2.3 From 6aa140d2e9c0a810e057a140a3fdc252acf658d1 Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Wed, 22 May 2013 21:00:39 +0200 Subject: erts: Implement test case for carrier pool --- erts/emulator/beam/erl_alloc.c | 5 + erts/emulator/beam/erl_alloc_util.c | 39 ++++- erts/emulator/test/alloc_SUITE.erl | 9 +- erts/emulator/test/alloc_SUITE_data/Makefile.src | 3 +- .../test/alloc_SUITE_data/allocator_test.h | 7 + erts/emulator/test/alloc_SUITE_data/cpool.c | 157 +++++++++++++++++++++ 6 files changed, 216 insertions(+), 4 deletions(-) create mode 100644 erts/emulator/test/alloc_SUITE_data/cpool.c (limited to 'erts') diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c index 4bb7bae870..e85d770daa 100644 --- a/erts/emulator/beam/erl_alloc.c +++ b/erts/emulator/beam/erl_alloc.c @@ -3311,6 +3311,11 @@ UWord erts_alc_test(UWord op, UWord a1, UWord a2, UWord a3) ERTS_ALC_TEST_ABORT; break; #endif /* #ifdef USE_THREADS */ +#ifdef ERTS_SMP + case 0xf13: return (UWord) 1; +#else + case 0xf13: return (UWord) 0; +#endif default: break; } diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index d549d58e7e..142fcab981 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -293,7 +293,7 @@ MBC after deallocating first block: /* Carriers ... */ -/* #define ERTS_ALC_CPOOL_DEBUG */ +#define ERTS_ALC_CPOOL_DEBUG #if defined(DEBUG) && !defined(ERTS_ALC_CPOOL_DEBUG) # define ERTS_ALC_CPOOL_DEBUG @@ -1921,6 +1921,13 @@ typedef union { # error "Carrier pool implementation assumes ERTS_ALC_A_MIN > ERTS_ALC_A_INVALID" #endif +/* + * The pool is only allowed to be manipulated by managed + * threads except in the alloc_SUITE:cpool case. In this + * test case carrier_pool[ERTS_ALC_A_INVALID] will be + * used. + */ + static ErtsAlcCrrPool_t carrier_pool[ERTS_ALC_A_MAX+1] erts_align_attribute(ERTS_CACHE_LINE_SIZE); #define ERTS_ALC_CPOOL_MAX_BACKOFF (1 << 8) @@ -2051,6 +2058,8 @@ cpool_insert(Allctr_t *allctr, Carrier_t *crr) erts_aint_t val; ErtsAlcCPoolData_t *sentinel = &carrier_pool[allctr->alloc_no].sentinel; + ERTS_ALC_CPOOL_ASSERT(allctr->alloc_no == ERTS_ALC_A_INVALID /* testcase */ + || erts_thr_progress_is_managed_thread()); ERTS_ALC_CPOOL_ASSERT(erts_smp_atomic_read_nob(&crr->allctr) == (erts_aint_t) allctr); @@ -2135,6 +2144,8 @@ cpool_delete(Allctr_t *allctr, Allctr_t *prev_allctr, Carrier_t *crr) ErtsAlcCPoolData_t *sentinel = &carrier_pool[allctr->alloc_no].sentinel; #endif + ERTS_ALC_CPOOL_ASSERT(allctr->alloc_no == ERTS_ALC_A_INVALID /* testcase */ + || erts_thr_progress_is_managed_thread()); ERTS_ALC_CPOOL_ASSERT(sentinel != &crr->cpool); /* Set mod marker on next ptr of our predecessor */ @@ -2227,6 +2238,9 @@ cpool_fetch(Allctr_t *allctr, UWord size) ErtsAlcCPoolData_t *cpdp; ErtsAlcCPoolData_t *sentinel = &carrier_pool[allctr->alloc_no].sentinel; + ERTS_ALC_CPOOL_ASSERT(allctr->alloc_no == ERTS_ALC_A_INVALID /* testcase */ + || erts_thr_progress_is_managed_thread()); + i = 0; /* First; check our own pending dealloc carrier list... */ @@ -4646,6 +4660,29 @@ erts_alcu_test(UWord op, UWord a1, UWord a2) case 0x01c: return (unsigned long) BLK_TO_MBC((Block_t*) a1); case 0x01d: ((Allctr_t*) a1)->add_mbc((Allctr_t*)a1, (Carrier_t*)a2); break; case 0x01e: ((Allctr_t*) a1)->remove_mbc((Allctr_t*)a1, (Carrier_t*)a2); break; +#ifdef ERTS_SMP + case 0x01f: return (UWord) sizeof(ErtsAlcCrrPool_t); + case 0x020: + SET_CARRIER_HDR((Carrier_t *) a2, 0, SCH_SYS_ALLOC|SCH_MBC, (Allctr_t *) a1); + cpool_init_carrier_data((Allctr_t *) a1, (Carrier_t *) a2); + return (UWord) a2; + case 0x021: + cpool_insert((Allctr_t *) a1, (Carrier_t *) a2); + return (UWord) a2; + case 0x022: + cpool_delete((Allctr_t *) a1, (Allctr_t *) a1, (Carrier_t *) a2); + return (UWord) a2; + case 0x023: return (UWord) cpool_is_empty((Allctr_t *) a1); + case 0x024: return (UWord) cpool_dbg_is_in_pool((Allctr_t *) a1, (Carrier_t *) a2); +#else + case 0x01f: return (UWord) 0; + case 0x020: return (UWord) 0; + case 0x021: return (UWord) 0; + case 0x022: return (UWord) 0; + case 0x023: return (UWord) 0; + case 0x024: return (UWord) 0; +#endif + default: ASSERT(0); return ~((UWord) 0); } return 0; diff --git a/erts/emulator/test/alloc_SUITE.erl b/erts/emulator/test/alloc_SUITE.erl index 22b5d93983..33abd45982 100644 --- a/erts/emulator/test/alloc_SUITE.erl +++ b/erts/emulator/test/alloc_SUITE.erl @@ -28,7 +28,8 @@ bucket_index/1, bucket_mask/1, rbtree/1, - mseg_clear_cache/1]). + mseg_clear_cache/1, + cpool/1]). -export([init_per_testcase/2, end_per_testcase/2]). @@ -40,7 +41,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> [basic, coalesce, threads, realloc_copy, bucket_index, - bucket_mask, rbtree, mseg_clear_cache]. + bucket_mask, rbtree, mseg_clear_cache, cpool]. groups() -> []. @@ -105,6 +106,10 @@ mseg_clear_cache(suite) -> []; mseg_clear_cache(doc) -> []; mseg_clear_cache(Cfg) -> ?line drv_case(Cfg). +cpool(suite) -> []; +cpool(doc) -> []; +cpool(Cfg) -> ?line drv_case(Cfg). + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% %% %% Internal functions %% diff --git a/erts/emulator/test/alloc_SUITE_data/Makefile.src b/erts/emulator/test/alloc_SUITE_data/Makefile.src index 035415d73e..1d4286e671 100644 --- a/erts/emulator/test/alloc_SUITE_data/Makefile.src +++ b/erts/emulator/test/alloc_SUITE_data/Makefile.src @@ -23,7 +23,8 @@ TEST_DRVS = basic@dll@ \ bucket_index@dll@ \ bucket_mask@dll@ \ rbtree@dll@ \ - mseg_clear_cache@dll@ + mseg_clear_cache@dll@ \ + cpool@dll@ CC = @CC@ LD = @LD@ diff --git a/erts/emulator/test/alloc_SUITE_data/allocator_test.h b/erts/emulator/test/alloc_SUITE_data/allocator_test.h index f1d6d59211..c37b074f93 100644 --- a/erts/emulator/test/alloc_SUITE_data/allocator_test.h +++ b/erts/emulator/test/alloc_SUITE_data/allocator_test.h @@ -78,6 +78,12 @@ typedef void* erts_cond; #define BLK_TO_MBC(B) ((Carrier_t *) ALC_TEST1(0x01c, (B))) #define ADD_MBC(A, C) ((void) ALC_TEST2(0x01d, (A), (C))) #define REMOVE_MBC(A, C) ((void) ALC_TEST2(0x01e, (A), (C))) +#define ZERO_CRR_SIZE ((Ulong) ALC_TEST0(0x01f)) +#define ZERO_CRR_INIT(A,B) ((Carrier_t *) ALC_TEST2(0x020, (A), (B))) +#define CPOOL_INSERT(A,B) ((Carrier_t *) ALC_TEST2(0x021, (A), (B))) +#define CPOOL_DELETE(A,B) ((Carrier_t *) ALC_TEST2(0x022, (A), (B))) +#define CPOOL_IS_EMPTY(A) ((int) ALC_TEST1(0x023, (A))) +#define CPOOL_IS_IN_POOL(A,B) ((int) ALC_TEST2(0x024, (A), (B))) /* From erl_goodfit_alloc.c */ #define BKT_IX(A, S) ((Ulong) ALC_TEST2(0x100, (A), (S))) @@ -133,5 +139,6 @@ typedef void* erts_cond; #define THR_CREATE(F, A) ((erts_thread) ALC_TEST2(0xf10, (F), (A))) #define THR_JOIN(T) ((void) ALC_TEST1(0xf11, (T))) #define THR_EXIT(R) ((void) ALC_TEST1(0xf12, (R))) +#define IS_SMP_ENABLED ((int) ALC_TEST0(0xf13)) #endif diff --git a/erts/emulator/test/alloc_SUITE_data/cpool.c b/erts/emulator/test/alloc_SUITE_data/cpool.c new file mode 100644 index 0000000000..276ed7be04 --- /dev/null +++ b/erts/emulator/test/alloc_SUITE_data/cpool.c @@ -0,0 +1,157 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2013. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ + + +#ifndef __WIN32__ +#include +#include +#include +#endif +#include +#include +#include +#include "testcase_driver.h" +#include "allocator_test.h" + +#define FATAL_ASSERT(A) \ + ((void) ((A) \ + ? 1 \ + : (fatal_assert_failed(#A, \ + (char *) __FILE__, \ + __LINE__), \ + 0))) + +static void +fatal_assert_failed(char* expr, char* file, int line) +{ + fflush(stdout); + fprintf(stderr, "%s:%d: Assertion failed: %s\n", + file, line, expr); + fflush(stderr); + abort(); +} + +#define TEST_NO_THREADS 10 +#define TEST_NO_CARRIERS_PER_THREAD 100000 +#define TEST_CARRIERS_OFFSET 5 + +static Allctr_t *alloc = NULL; + +static void stop_allocator(void) +{ + if (alloc) { + STOP_ALC(alloc); + alloc = NULL; + } +} + + +void *thread_func(void *arg); + +char * +testcase_name(void) +{ + return "cpool"; +} + +void +testcase_cleanup(TestCaseState_t *tcs) +{ + stop_allocator(); +} + +void * +thread_func(void *arg) +{ + Carrier_t *crr = (Carrier_t *) arg; + int i; + + for (i = 0; i < (TEST_NO_CARRIERS_PER_THREAD+TEST_CARRIERS_OFFSET); i++) { + int d; + if (i < TEST_NO_CARRIERS_PER_THREAD) { + CPOOL_INSERT(alloc, crr[i]); + if ((i & 0x7) == 0) + FATAL_ASSERT(CPOOL_IS_IN_POOL(alloc, crr[i])); + } + d = i-TEST_CARRIERS_OFFSET; + if (d >= 0) { + CPOOL_DELETE(alloc, crr[d]); + if ((d & 0x7) == 0) + FATAL_ASSERT(!CPOOL_IS_IN_POOL(alloc, crr[d])); + } + } + for (i = 0; i < TEST_NO_CARRIERS_PER_THREAD; i++) + FATAL_ASSERT(!CPOOL_IS_IN_POOL(alloc, crr[i])); + return NULL; +} + +static struct { + erts_thread tid; + Carrier_t *crr[TEST_NO_CARRIERS_PER_THREAD]; +} threads[TEST_NO_THREADS] = {{0}}; + +void +testcase_run(TestCaseState_t *tcs) +{ + int no_threads, t, c; + char *block, *p; + Ulong zcrr_sz; + + if (!IS_SMP_ENABLED) + testcase_skipped(tcs, "No SMP support"); + + alloc = START_ALC("Zero carrier allocator", 1, NULL); + + zcrr_sz = ZERO_CRR_SIZE; + + block = p = ALLOC(alloc, zcrr_sz*TEST_NO_THREADS*TEST_NO_CARRIERS_PER_THREAD); + + ASSERT(tcs, block != NULL); + + for (t = 0; t < TEST_NO_THREADS; t++) { + for (c = 0; c < TEST_NO_CARRIERS_PER_THREAD; c++) { + Carrier_t *crr = (Carrier_t *) p; + p += zcrr_sz; + ZERO_CRR_INIT(alloc, crr); + threads[t].crr[c] = crr; + } + } + + no_threads = 0; + for (t = 0; t < TEST_NO_THREADS; t++) { + threads[t].tid = THR_CREATE(thread_func, (void *) threads[t].crr); + if (threads[t].tid) { + testcase_printf(tcs, "Successfully created thread %d\n", t); + no_threads++; + } + else { + testcase_printf(tcs, "Failed to create thread %d\n", t); + break; + } + } + + for (t = 0; t < no_threads; t++) + THR_JOIN(threads[t].tid); + + FATAL_ASSERT(CPOOL_IS_EMPTY(alloc)); + + FREE(alloc, block); + + ASSERT(tcs, no_threads == TEST_NO_THREADS); +} -- cgit v1.2.3 From 32a73196379a8c3e6083104e2d235f35b5bcbbbf Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Fri, 17 May 2013 09:36:44 +0200 Subject: erts: Use carrier pool for migration of carriers --- erts/emulator/beam/atom.names | 1 + erts/emulator/beam/erl_alloc.c | 191 +++- erts/emulator/beam/erl_alloc.h | 2 +- erts/emulator/beam/erl_alloc_util.c | 1574 ++++++++++++++++++++++------ erts/emulator/beam/erl_alloc_util.h | 42 +- erts/emulator/beam/erl_ao_firstfit_alloc.c | 6 +- erts/emulator/beam/erl_bif_info.c | 15 +- erts/emulator/beam/erl_process.c | 11 + erts/emulator/beam/erl_process.h | 1 + erts/etc/common/erlexec.c | 1 + erts/preloaded/ebin/erlang.beam | Bin 93444 -> 93976 bytes erts/preloaded/src/erlang.erl | 25 +- 12 files changed, 1481 insertions(+), 388 deletions(-) (limited to 'erts') diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names index 9e12080732..7d86e486f1 100644 --- a/erts/emulator/beam/atom.names +++ b/erts/emulator/beam/atom.names @@ -323,6 +323,7 @@ atom maximum atom max_tables max_processes atom mbuf_size atom memory +atom memory_internal atom memory_types atom message atom message_binary diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c index e85d770daa..a547191d6d 100644 --- a/erts/emulator/beam/erl_alloc.c +++ b/erts/emulator/beam/erl_alloc.c @@ -71,6 +71,23 @@ #define AU_ALLOC_DEFAULT_ENABLE(X) (X) #endif +#define ERTS_ALC_DEFAULT_ENABLED_ACUL 60 +#define ERTS_ALC_DEFAULT_ENABLED_ACUL_EHEAP_ALLOC 45 +#define ERTS_ALC_DEFAULT_ENABLED_ACUL_LL_ALLOC 85 + +#define ERTS_ALC_DEFAULT_ACUL 0 +#define ERTS_ALC_DEFAULT_ACUL_EHEAP_ALLOC 0 +#define ERTS_ALC_DEFAULT_ACUL_LL_ALLOC 0 + +#ifndef ERTS_SMP +# undef ERTS_ALC_DEFAULT_ACUL +# define ERTS_ALC_DEFAULT_ACUL 0 +# undef ERTS_ALC_DEFAULT_ACUL_EHEAP_ALLOC +# define ERTS_ALC_DEFAULT_ACUL_EHEAP_ALLOC 0 +# undef ERTS_ALC_DEFAULT_ACUL_LL_ALLOC +# define ERTS_ALC_DEFAULT_ACUL_LL_ALLOC 0 +#endif + #ifdef DEBUG static Uint install_debug_functions(void); #if 0 @@ -118,6 +135,7 @@ static ErtsAllocatorState_t fix_alloc_state; typedef struct { erts_smp_atomic32_t refc; int only_sz; + int internal; Uint req_sched; Process *proc; Eterm ref; @@ -160,6 +178,7 @@ enum allctr_type { struct au_init { int enable; int thr_spec; + int carrier_migration_allowed; enum allctr_type atype; struct { AllctrInit_t util; @@ -213,7 +232,7 @@ typedef struct { #endif } erts_alc_hndl_args_init_t; -#define ERTS_AU_INIT__ {0, 0, GOODFIT, DEFAULT_ALLCTR_INIT, {1,1,1,1}} +#define ERTS_AU_INIT__ {0, 0, 1, GOODFIT, DEFAULT_ALLCTR_INIT, {1,1,1,1}} #define SET_DEFAULT_ALLOC_OPTS(IP) \ do { \ @@ -221,13 +240,26 @@ do { \ sys_memcpy((void *) (IP), (void *) &aui__, sizeof(struct au_init)); \ } while (0) +static ERTS_INLINE void +set_default_acul(struct au_init *ip, int acul) +{ + ip->thr_spec = 1; + ip->atype = AOFIRSTFIT; + ip->init.aoff.bf_within_carrier = 1; + ip->init.util.acul = acul; +} + static void set_default_sl_alloc_opts(struct au_init *ip) { SET_DEFAULT_ALLOC_OPTS(ip); ip->enable = AU_ALLOC_DEFAULT_ENABLE(1); +#if ERTS_ALC_DEFAULT_ACUL + set_default_acul(ip, ERTS_ALC_DEFAULT_ACUL); +#else ip->thr_spec = 1; ip->atype = GOODFIT; +#endif ip->init.util.name_prefix = "sl_"; ip->init.util.mmmbc = 5; ip->init.util.alloc_no = ERTS_ALC_A_SHORT_LIVED; @@ -250,8 +282,12 @@ set_default_std_alloc_opts(struct au_init *ip) { SET_DEFAULT_ALLOC_OPTS(ip); ip->enable = AU_ALLOC_DEFAULT_ENABLE(1); +#if ERTS_ALC_DEFAULT_ACUL + set_default_acul(ip, ERTS_ALC_DEFAULT_ACUL); +#else ip->thr_spec = 1; ip->atype = BESTFIT; +#endif ip->init.util.name_prefix = "std_"; ip->init.util.mmmbc = 5; ip->init.util.alloc_no = ERTS_ALC_A_STANDARD; @@ -268,9 +304,13 @@ set_default_ll_alloc_opts(struct au_init *ip) { SET_DEFAULT_ALLOC_OPTS(ip); ip->enable = AU_ALLOC_DEFAULT_ENABLE(1); +#if ERTS_ALC_DEFAULT_ACUL_LL_ALLOC + set_default_acul(ip, ERTS_ALC_DEFAULT_ACUL_LL_ALLOC); +#else ip->thr_spec = 0; ip->atype = BESTFIT; ip->init.bf.ao = 1; +#endif ip->init.util.ramv = 0; ip->init.util.mmsbc = 0; ip->init.util.mmmbc = 0; @@ -295,6 +335,7 @@ set_default_temp_alloc_opts(struct au_init *ip) SET_DEFAULT_ALLOC_OPTS(ip); ip->enable = AU_ALLOC_DEFAULT_ENABLE(1); ip->thr_spec = 1; + ip->carrier_migration_allowed = 0; ip->atype = AFIT; ip->init.util.name_prefix = "temp_"; ip->init.util.alloc_no = ERTS_ALC_A_TEMPORARY; @@ -317,8 +358,12 @@ set_default_eheap_alloc_opts(struct au_init *ip) { SET_DEFAULT_ALLOC_OPTS(ip); ip->enable = AU_ALLOC_DEFAULT_ENABLE(1); +#if ERTS_ALC_DEFAULT_ACUL_EHEAP_ALLOC + set_default_acul(ip, ERTS_ALC_DEFAULT_ACUL_EHEAP_ALLOC); +#else ip->thr_spec = 1; ip->atype = GOODFIT; +#endif ip->init.util.mmmbc = 100; ip->init.util.name_prefix = "eheap_"; ip->init.util.alloc_no = ERTS_ALC_A_EHEAP; @@ -340,8 +385,12 @@ set_default_binary_alloc_opts(struct au_init *ip) { SET_DEFAULT_ALLOC_OPTS(ip); ip->enable = AU_ALLOC_DEFAULT_ENABLE(1); +#if ERTS_ALC_DEFAULT_ACUL + set_default_acul(ip, ERTS_ALC_DEFAULT_ACUL); +#else ip->thr_spec = 1; ip->atype = BESTFIT; +#endif ip->init.util.mmmbc = 50; ip->init.util.name_prefix = "binary_"; ip->init.util.alloc_no = ERTS_ALC_A_BINARY; @@ -358,8 +407,12 @@ set_default_ets_alloc_opts(struct au_init *ip) { SET_DEFAULT_ALLOC_OPTS(ip); ip->enable = AU_ALLOC_DEFAULT_ENABLE(1); +#if ERTS_ALC_DEFAULT_ACUL + set_default_acul(ip, ERTS_ALC_DEFAULT_ACUL); +#else ip->thr_spec = 1; ip->atype = BESTFIT; +#endif ip->init.util.mmmbc = 100; ip->init.util.name_prefix = "ets_"; ip->init.util.alloc_no = ERTS_ALC_A_ETS; @@ -376,8 +429,12 @@ set_default_driver_alloc_opts(struct au_init *ip) { SET_DEFAULT_ALLOC_OPTS(ip); ip->enable = AU_ALLOC_DEFAULT_ENABLE(1); +#if ERTS_ALC_DEFAULT_ACUL + set_default_acul(ip, ERTS_ALC_DEFAULT_ACUL); +#else ip->thr_spec = 1; ip->atype = BESTFIT; +#endif ip->init.util.name_prefix = "driver_"; ip->init.util.alloc_no = ERTS_ALC_A_DRIVER; #ifndef SMALL_MEMORY @@ -394,8 +451,12 @@ set_default_fix_alloc_opts(struct au_init *ip, { SET_DEFAULT_ALLOC_OPTS(ip); ip->enable = AU_ALLOC_DEFAULT_ENABLE(1); +#if ERTS_ALC_DEFAULT_ACUL + set_default_acul(ip, ERTS_ALC_DEFAULT_ACUL); +#else ip->thr_spec = 1; ip->atype = BESTFIT; +#endif ip->init.bf.ao = 1; ip->init.util.name_prefix = "fix_"; ip->init.util.fix_type_size = fix_type_sizes; @@ -493,6 +554,39 @@ static void adjust_fix_alloc_sizes(UWord extra_block_size) } } +static ERTS_INLINE int +strategy_support_carrier_migration(struct au_init *auip) +{ + /* + * Currently only aoff and aoffcaobf support carrier + * migration, i.e, type AOFIRSTFIT. + */ + return auip->atype == AOFIRSTFIT; +} + +static ERTS_INLINE void +check_disable_carrier_migration(struct au_init *auip) +{ + if (!strategy_support_carrier_migration(auip) || !auip->thr_spec) + auip->init.util.acul = 0; +} + +static ERTS_INLINE void +ensure_carrier_migration_support(struct au_init *auip) +{ + auip->thr_spec = 1; /* Need thread preferred */ + + /* + * If strategy cannot handle carrier migration, + * default to a strategy that can... + */ + if (!strategy_support_carrier_migration(auip)) { + /* Default to aoffcaobf */ + auip->atype = AOFIRSTFIT; + auip->init.aoff.bf_within_carrier = 1; + } +} + void erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop) { @@ -578,6 +672,16 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop) init.fix_alloc.thr_spec = 0; } + check_disable_carrier_migration(&init.sl_alloc); + check_disable_carrier_migration(&init.std_alloc); + check_disable_carrier_migration(&init.ll_alloc); + check_disable_carrier_migration(&init.eheap_alloc); + check_disable_carrier_migration(&init.binary_alloc); + check_disable_carrier_migration(&init.ets_alloc); + check_disable_carrier_migration(&init.driver_alloc); + check_disable_carrier_migration(&init.fix_alloc); + + #ifdef ERTS_SMP /* Only temp_alloc can use thread specific interface */ if (init.temp_alloc.thr_spec) @@ -1107,17 +1211,59 @@ get_amount_value(char *param_end, char** argv, int* ip) return (Uint) tmp; } +static Uint +get_acul_value(struct au_init *auip, char *param_end, char** argv, int* ip) +{ + Sint tmp; + char *rest; + char *param = argv[*ip]+1; + char *value = get_value(param_end, argv, ip); + if (sys_strcmp(value, "de") == 0) { + switch (auip->init.util.alloc_no) { + case ERTS_ALC_A_LONG_LIVED: +#if HALFWORD_HEAP + case ERTS_ALC_A_LONG_LIVED_LOW: +#endif + return ERTS_ALC_DEFAULT_ENABLED_ACUL_LL_ALLOC; + case ERTS_ALC_A_EHEAP: + return ERTS_ALC_DEFAULT_ENABLED_ACUL_EHEAP_ALLOC; + default: + return ERTS_ALC_DEFAULT_ENABLED_ACUL; + } + } + errno = 0; + tmp = (Sint) ErtsStrToSint(value, &rest, 10); + if (errno != 0 || rest == value || tmp < 0 || 100 < tmp) + bad_value(param, param_end, value); + return (Uint) tmp; +} + static void handle_au_arg(struct au_init *auip, char* sub_param, char** argv, - int* ip) + int* ip, + int u_switch) { char *param = argv[*ip]+1; switch (sub_param[0]) { case 'a': - if(has_prefix("asbcst", sub_param)) { + if (has_prefix("acul", sub_param)) { + if (!auip->carrier_migration_allowed) { + if (!u_switch) + goto bad_switch; + else { + /* ignore */ + (void) get_acul_value(auip, sub_param + 4, argv, ip); + break; + } + } + ensure_carrier_migration_support(auip); + + auip->init.util.acul = get_acul_value(auip, sub_param + 4, argv, ip); + } + else if(has_prefix("asbcst", sub_param)) { auip->init.util.asbcst = get_kb_value(sub_param + 6, argv, ip); } else if(has_prefix("as", sub_param)) { @@ -1147,6 +1293,7 @@ handle_au_arg(struct au_init *auip, else { bad_value(param, sub_param + 1, alg); } + check_disable_carrier_migration(auip); } else goto bad_switch; @@ -1227,6 +1374,7 @@ handle_au_arg(struct au_init *auip, } else if (res == 0) { auip->thr_spec = 0; + check_disable_carrier_migration(auip); break; } goto bad_switch; @@ -1267,22 +1415,22 @@ handle_args(int *argc, char **argv, erts_alc_hndl_args_init_t *init) case 'M': switch (argv[i][2]) { case 'B': - handle_au_arg(&init->binary_alloc, &argv[i][3], argv, &i); + handle_au_arg(&init->binary_alloc, &argv[i][3], argv, &i, 0); break; case 'D': - handle_au_arg(&init->std_alloc, &argv[i][3], argv, &i); + handle_au_arg(&init->std_alloc, &argv[i][3], argv, &i, 0); break; case 'E': - handle_au_arg(&init->ets_alloc, &argv[i][3], argv, &i); + handle_au_arg(&init->ets_alloc, &argv[i][3], argv, &i, 0); break; case 'F': - handle_au_arg(&init->fix_alloc, &argv[i][3], argv, &i); + handle_au_arg(&init->fix_alloc, &argv[i][3], argv, &i, 0); break; case 'H': - handle_au_arg(&init->eheap_alloc, &argv[i][3], argv, &i); + handle_au_arg(&init->eheap_alloc, &argv[i][3], argv, &i, 0); break; case 'L': - handle_au_arg(&init->ll_alloc, &argv[i][3], argv, &i); + handle_au_arg(&init->ll_alloc, &argv[i][3], argv, &i, 0); break; case 'M': if (has_prefix("amcbf", argv[i]+3)) { @@ -1308,13 +1456,13 @@ handle_args(int *argc, char **argv, erts_alc_hndl_args_init_t *init) } break; case 'R': - handle_au_arg(&init->driver_alloc, &argv[i][3], argv, &i); + handle_au_arg(&init->driver_alloc, &argv[i][3], argv, &i, 0); break; case 'S': - handle_au_arg(&init->sl_alloc, &argv[i][3], argv, &i); + handle_au_arg(&init->sl_alloc, &argv[i][3], argv, &i, 0); break; case 'T': - handle_au_arg(&init->temp_alloc, &argv[i][3], argv, &i); + handle_au_arg(&init->temp_alloc, &argv[i][3], argv, &i, 0); break; case 'Y': { /* sys_alloc */ if (has_prefix("tt", param+2)) { @@ -1400,6 +1548,7 @@ handle_args(int *argc, char **argv, erts_alc_hndl_args_init_t *init) for (a = 0; a < aui_sz; a++) { aui[a]->thr_spec = 0; + check_disable_carrier_migration(aui[a]); aui[a]->init.util.ramv = 0; aui[a]->init.util.mmmbc = 10; aui[a]->init.util.lmbcs = 5*1024*1024; @@ -1464,7 +1613,7 @@ handle_args(int *argc, char **argv, erts_alc_hndl_args_init_t *init) argv[start + 1] = val; i = start; } - handle_au_arg(aui[a], &argv[i][3], argv, &i); + handle_au_arg(aui[a], &argv[i][3], argv, &i, 1); } } break; @@ -2497,7 +2646,7 @@ erts_allocator_info(int to, void *arg) as = erts_allctr_thr_spec[a].allctr[ai]; } /* Binary alloc has its own thread safety... */ - erts_alcu_info(as, 0, &to, arg, NULL, NULL); + erts_alcu_info(as, 0, 0, &to, arg, NULL, NULL); } else { switch (a) { @@ -2758,6 +2907,7 @@ reply_alloc_info(void *vair) ErlHeapFragment *bp = NULL; int i; Eterm (*info_func)(Allctr_t *, + int, int, int *, void *, @@ -2887,8 +3037,8 @@ reply_alloc_info(void *vair) allctr = erts_allctr_thr_spec[ai].allctr[0]; else allctr = erts_allctrs_info[ai].extra; - ainfo = info_func(allctr, hpp != NULL, NULL, - NULL, hpp, szp); + ainfo = info_func(allctr, air->internal, hpp != NULL, + NULL, NULL, hpp, szp); ainfo = erts_bld_tuple(hpp, szp, 3, alloc_atom, make_small(0), ainfo); } @@ -2923,7 +3073,7 @@ reply_alloc_info(void *vair) alloc_atom = erts_bld_atom(hpp, szp, (char *) ERTS_ALC_A2AD(ai)); allctr = erts_allctr_thr_spec[ai].allctr[sched_id]; - ainfo = info_func(allctr, hpp != NULL, NULL, + ainfo = info_func(allctr, air->internal, hpp != NULL, NULL, NULL, hpp, szp); ai_list = erts_bld_cons(hpp, szp, erts_bld_tuple( @@ -2979,7 +3129,8 @@ int erts_request_alloc_info(struct process *c_p, Eterm ref, Eterm allocs, - int only_sz) + int only_sz, + int internal) { ErtsAllocInfoReq *air = aireq_alloc(); Eterm req_ai[ERTS_ALC_A_MAX+1+2] = {0}; @@ -2991,6 +3142,8 @@ erts_request_alloc_info(struct process *c_p, air->only_sz = only_sz; + air->internal = internal; + air->proc = c_p; if (is_not_internal_ref(ref)) @@ -3191,7 +3344,7 @@ UWord erts_alc_test(UWord op, UWord a1, UWord a2, UWord a3) int i = 0; while (argv[i]) { if (argv[i][0] == '-' && argv[i][1] == 't') - handle_au_arg(&init, &argv[i][2], argv, &i); + handle_au_arg(&init, &argv[i][2], argv, &i, 0); else return (UWord) NULL; i++; diff --git a/erts/emulator/beam/erl_alloc.h b/erts/emulator/beam/erl_alloc.h index 8c80cbb4cc..d9fdfc6f58 100644 --- a/erts/emulator/beam/erl_alloc.h +++ b/erts/emulator/beam/erl_alloc.h @@ -65,7 +65,7 @@ Eterm erts_allocator_options(void *proc); struct process; int erts_request_alloc_info(struct process *c_p, Eterm ref, Eterm allocs, - int only_sz); + int only_sz, int internal); #define ERTS_ALLOC_INIT_DEF_OPTS_INITER {0} typedef struct { diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index 142fcab981..a52298c759 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -71,6 +71,13 @@ #define ALLOC_ZERO_EQ_NULL 0 +#ifndef ERTS_MSEG_FLG_2POW +# define ERTS_MSEG_FLG_2POW 0 +#endif +#ifndef ERTS_MSEG_FLG_NONE +# define ERTS_MSEG_FLG_NONE 0 +#endif + static int atoms_initialized = 0; static int initialized = 0; @@ -293,7 +300,7 @@ MBC after deallocating first block: /* Carriers ... */ -#define ERTS_ALC_CPOOL_DEBUG +/* #define ERTS_ALC_CPOOL_DEBUG */ #if defined(DEBUG) && !defined(ERTS_ALC_CPOOL_DEBUG) # define ERTS_ALC_CPOOL_DEBUG @@ -316,7 +323,56 @@ MBC after deallocating first block: # define ERTS_ALC_CPOOL_ASSERT(A) ((void) 1) #endif +#ifdef ERTS_SMP #define ERTS_ALC_IS_CPOOL_ENABLED(A) ((A)->cpool.util_limit) +#else +#define ERTS_ALC_IS_CPOOL_ENABLED(A) (0) +#endif + +#ifdef ERTS_SMP + +#define ERTS_ALC_CPOOL_MAX_DISABLE_ABANDON 1000 +#define ERTS_ALC_CPOOL_ALLOC_OP_INC 8 +#define ERTS_ALC_CPOOL_FREE_OP_DEC 10 + +#define ERTS_ALC_CPOOL_ALLOC_OP(A) \ +do { \ + if ((A)->cpool.disable_abandon < ERTS_ALC_CPOOL_MAX_DISABLE_ABANDON) { \ + (A)->cpool.disable_abandon += ERTS_ALC_CPOOL_ALLOC_OP_INC; \ + if ((A)->cpool.disable_abandon > ERTS_ALC_CPOOL_MAX_DISABLE_ABANDON) \ + (A)->cpool.disable_abandon = ERTS_ALC_CPOOL_MAX_DISABLE_ABANDON; \ + } \ +} while (0) + + +#if ERTS_ALC_CPOOL_ALLOC_OP_INC >= ERTS_ALC_CPOOL_FREE_OP_DEC +# error "Implementation assume ERTS_ALC_CPOOL_ALLOC_OP_INC < ERTS_ALC_CPOOL_FREE_OP_DEC" +#endif + +#define ERTS_ALC_CPOOL_REALLOC_OP(A) \ +do { \ + if ((A)->cpool.disable_abandon) { \ + (A)->cpool.disable_abandon -= (ERTS_ALC_CPOOL_FREE_OP_DEC \ + - ERTS_ALC_CPOOL_ALLOC_OP_INC); \ + if ((A)->cpool.disable_abandon < 0) \ + (A)->cpool.disable_abandon = 0; \ + } \ +} while (0) + +#define ERTS_ALC_CPOOL_FREE_OP(A) \ +do { \ + if ((A)->cpool.disable_abandon) { \ + (A)->cpool.disable_abandon -= ERTS_ALC_CPOOL_FREE_OP_DEC; \ + if ((A)->cpool.disable_abandon < 0) \ + (A)->cpool.disable_abandon = 0; \ + } \ +} while (0) + +#else +#define ERTS_ALC_CPOOL_ALLOC_OP(A) +#define ERTS_ALC_CPOOL_REALLOC_OP(A) +#define ERTS_ALC_CPOOL_FREE_OP(A) +#endif #define ERTS_CRR_ALCTR_FLG_IN_POOL (((erts_aint_t) 1) << 0) #define ERTS_CRR_ALCTR_FLG_BUSY (((erts_aint_t) 1) << 1) @@ -379,6 +435,7 @@ MBC after deallocating first block: #define CFLG_FORCE_SYS_ALLOC (1 << 3) #define CFLG_FORCE_SIZE (1 << 4) #define CFLG_MAIN_CARRIER (1 << 5) +#define CFLG_NO_CPOOL (1 << 6) #ifdef ERTS_ALLOC_UTIL_HARD_DEBUG static void check_blk_carrier(Allctr_t *, Block_t *); @@ -493,6 +550,21 @@ do { \ DEBUG_CHECK_CARRIER_NO_SZ((AP)); \ } while (0) +#define STAT_MBC_CPOOL_FETCH(AP, CRR) \ +do { \ + UWord csz__ = CARRIER_SZ((CRR)); \ + if (IS_MSEG_CARRIER((CRR))) \ + STAT_MSEG_MBC_ALLOC((AP), csz__); \ + else \ + STAT_SYS_ALLOC_MBC_ALLOC((AP), csz__); \ + (AP)->mbcs.blocks.curr.no += (CRR)->cpool.blocks; \ + if ((AP)->mbcs.blocks.max.no < (AP)->mbcs.blocks.curr.no) \ + (AP)->mbcs.blocks.max.no = (AP)->mbcs.blocks.curr.no; \ + (AP)->mbcs.blocks.curr.size += (CRR)->cpool.blocks_size; \ + if ((AP)->mbcs.blocks.max.size < (AP)->mbcs.blocks.curr.size) \ + (AP)->mbcs.blocks.max.size = (AP)->mbcs.blocks.curr.size; \ +} while (0) + #define STAT_MSEG_MBC_FREE(AP, CSZ) \ do { \ ASSERT((AP)->mbcs.curr.norm.mseg.no > 0); \ @@ -511,7 +583,32 @@ do { \ DEBUG_CHECK_CARRIER_NO_SZ((AP)); \ } while (0) -#define STAT_MBC_BLK_ALLOC(AP, BSZ) \ +#define STAT_MBC_CPOOL_INSERT(AP, CRR) \ +do { \ + UWord csz__ = CARRIER_SZ((CRR)); \ + if (IS_MSEG_CARRIER((CRR))) \ + STAT_MSEG_MBC_FREE((AP), csz__); \ + else \ + STAT_SYS_ALLOC_MBC_FREE((AP), csz__); \ + ERTS_ALC_CPOOL_ASSERT((AP)->mbcs.blocks.curr.no \ + >= (CRR)->cpool.blocks); \ + (AP)->mbcs.blocks.curr.no -= (CRR)->cpool.blocks; \ + ERTS_ALC_CPOOL_ASSERT((AP)->mbcs.blocks.curr.size \ + >= (CRR)->cpool.blocks_size); \ + (AP)->mbcs.blocks.curr.size -= (CRR)->cpool.blocks_size; \ +} while (0) + +#ifdef ERTS_SMP +#define STAT_MBC_BLK_ALLOC_CRR(CRR, BSZ) \ +do { \ + (CRR)->cpool.blocks++; \ + (CRR)->cpool.blocks_size += (BSZ); \ +} while (0) +#else +#define STAT_MBC_BLK_ALLOC_CRR(CRR, BSZ) ((void) (CRR)) /* Get rid of warning */ +#endif + +#define STAT_MBC_BLK_ALLOC(AP, CRR, BSZ, FLGS) \ do { \ CarriersStats_t *cstats__ = &(AP)->mbcs; \ cstats__->blocks.curr.no++; \ @@ -520,15 +617,54 @@ do { \ cstats__->blocks.curr.size += (BSZ); \ if (cstats__->blocks.max.size < cstats__->blocks.curr.size) \ cstats__->blocks.max.size = cstats__->blocks.curr.size; \ + STAT_MBC_BLK_ALLOC_CRR((CRR), (BSZ)); \ } while (0) -#define STAT_MBC_BLK_FREE(AP, BSZ) \ +static ERTS_INLINE int +stat_cpool_mbc_blk_free(Allctr_t *allctr, + Carrier_t *crr, + Carrier_t **busy_pcrr_pp, + UWord blksz) +{ +#ifdef ERTS_SMP + + ERTS_ALC_CPOOL_ASSERT(crr->cpool.blocks > 0); + crr->cpool.blocks--; + ERTS_ALC_CPOOL_ASSERT(crr->cpool.blocks_size >= blksz); + crr->cpool.blocks_size -= blksz; + + if (!busy_pcrr_pp || !*busy_pcrr_pp) + return 0; + + ERTS_ALC_CPOOL_ASSERT(crr == *busy_pcrr_pp); + +#ifdef ERTS_ALC_CPOOL_DEBUG + ERTS_ALC_CPOOL_ASSERT( + erts_atomic_dec_read_nob(&allctr->cpool.stat.no_blocks) >= 0); + ERTS_ALC_CPOOL_ASSERT( + erts_atomic_add_read_nob(&allctr->cpool.stat.blocks_size, + -((erts_aint_t) blksz)) >= 0); +#else + erts_atomic_dec_nob(&allctr->cpool.stat.no_blocks); + erts_atomic_add_nob(&allctr->cpool.stat.blocks_size, + -((erts_aint_t) blksz)); +#endif + + return 1; +#else + return 0; +#endif +} + +#define STAT_MBC_BLK_FREE(AP, CRR, BPCRRPP, BSZ, FLGS) \ do { \ - CarriersStats_t *cstats__ = &(AP)->mbcs; \ - ASSERT(cstats__->blocks.curr.no > 0); \ - cstats__->blocks.curr.no--; \ - ASSERT(cstats__->blocks.curr.size >= (BSZ)); \ - cstats__->blocks.curr.size -= (BSZ); \ + if (!stat_cpool_mbc_blk_free((AP), (CRR), (BPCRRPP), (BSZ))) { \ + CarriersStats_t *cstats__ = &(AP)->mbcs; \ + ASSERT(cstats__->blocks.curr.no > 0); \ + cstats__->blocks.curr.no--; \ + ASSERT(cstats__->blocks.curr.size >= (BSZ)); \ + cstats__->blocks.curr.size -= (BSZ); \ + } \ } while (0) /* Debug stuff... */ @@ -579,12 +715,12 @@ do { \ #define ERTS_ALCU_DBG_CHK_THR_ACCESS(A) #endif - static void make_name_atoms(Allctr_t *allctr); static Block_t *create_carrier(Allctr_t *, Uint, UWord); -static void destroy_carrier(Allctr_t *, Block_t *); -static void mbc_free(Allctr_t *allctr, void *p); +static void destroy_carrier(Allctr_t *, Block_t *, Carrier_t **); +static void mbc_free(Allctr_t *allctr, void *p, Carrier_t **busy_pcrr_pp); +static void dealloc_block(Allctr_t *, void *, int); /* internal data... */ @@ -776,8 +912,35 @@ unlink_carrier(CarrierList_t *cl, Carrier_t *crr) } } -static Block_t *create_carrier(Allctr_t *, Uint, UWord); -static void destroy_carrier(Allctr_t *, Block_t *); +#ifdef ERTS_SMP + +static ERTS_INLINE void +clear_busy_pool_carrier(Allctr_t *allctr, Carrier_t *crr) +{ + if (crr) { + erts_aint_t max_size; + erts_aint_t new_val; + + max_size = (erts_aint_t) allctr->largest_fblk_in_mbc(allctr, crr); + erts_atomic_set_nob(&crr->cpool.max_size, max_size); + + new_val = (((erts_aint_t) allctr)|ERTS_CRR_ALCTR_FLG_IN_POOL); + +#ifdef ERTS_ALC_CPOOL_DEBUG + { + erts_aint_t old_val = new_val|ERTS_CRR_ALCTR_FLG_BUSY; + + ERTS_ALC_CPOOL_ASSERT(old_val + == erts_smp_atomic_xchg_relb(&crr->allctr, + new_val)); + } +#else + erts_smp_atomic_set_relb(&crr->allctr, new_val); +#endif + } +} + +#endif #if 0 #define ERTS_DBG_CHK_FIX_LIST(A, FIX, IX, B) \ @@ -799,13 +962,154 @@ chk_fix_list(Allctr_t *allctr, ErtsAlcFixList_t *fix, int ix, int before) #define ERTS_DBG_CHK_FIX_LIST(A, FIX, IX, B) #endif -erts_aint32_t -erts_alcu_fix_alloc_shrink(Allctr_t *allctr, erts_aint32_t flgs) +static void *mbc_alloc(Allctr_t *allctr, Uint size); + +#ifdef ERTS_SMP +typedef struct { + ErtsAllctrDDBlock_t ddblock__; /* must be first */ + ErtsAlcType_t fix_type; +} ErtsAllctrFixDDBlock_t; +#endif + +static ERTS_INLINE void +dealloc_fix_block(Allctr_t *allctr, + ErtsAlcType_t type, + void *ptr, + int dec_cc_on_redirect) +{ +#ifdef ERTS_SMP + /* May be redirected... */ + ((ErtsAllctrFixDDBlock_t *) ptr)->fix_type = type; +#endif + dealloc_block(allctr, ptr, dec_cc_on_redirect); +} + +static ERTS_INLINE void +sched_fix_shrink(Allctr_t *allctr, int on) +{ + if (on && !allctr->fix_shrink_scheduled) { + allctr->fix_shrink_scheduled = 1; + erts_set_aux_work_timeout(allctr->ix, + (ERTS_SSI_AUX_WORK_FIX_ALLOC_LOWER_LIM + | ERTS_SSI_AUX_WORK_FIX_ALLOC_DEALLOC), + 1); + } + else if (!on && allctr->fix_shrink_scheduled) { + allctr->fix_shrink_scheduled = 0; + erts_set_aux_work_timeout(allctr->ix, + (ERTS_SSI_AUX_WORK_FIX_ALLOC_LOWER_LIM + | ERTS_SSI_AUX_WORK_FIX_ALLOC_DEALLOC), + 0); + } +} + +static ERTS_INLINE void +fix_cpool_check_shrink(Allctr_t *allctr, + ErtsAlcType_t type, + ErtsAlcFixList_t *fix, + Carrier_t **busy_pcrr_pp) +{ + if (fix->u.cpool.shrink_list > 0) { + if (fix->list_size == 0) + fix->u.cpool.shrink_list = 0; + else { + void *p; +#ifdef ERTS_SMP + if (busy_pcrr_pp) { + clear_busy_pool_carrier(allctr, *busy_pcrr_pp); + *busy_pcrr_pp = NULL; + } +#endif + fix->u.cpool.shrink_list--; + p = fix->list; + fix->list = *((void **) p); + fix->list_size--; + if (fix->u.cpool.min_list_size > fix->list_size) + fix->u.cpool.min_list_size = fix->list_size; + + fix->u.cpool.allocated--; + dealloc_fix_block(allctr, type, p, 0); + } + } +} + +static ERTS_INLINE void * +fix_cpool_alloc(Allctr_t *allctr, ErtsAlcType_t type, Uint size) +{ + void *res; + ErtsAlcFixList_t *fix; + + ASSERT(ERTS_ALC_N_MIN_A_FIXED_SIZE <= type + && type <= ERTS_ALC_N_MAX_A_FIXED_SIZE); + + fix = &allctr->fix[type - ERTS_ALC_N_MIN_A_FIXED_SIZE]; + + res = fix->list; + if (res) { + fix->list = *((void **) res); + fix->list_size--; + if (fix->u.cpool.min_list_size > fix->list_size) + fix->u.cpool.min_list_size = fix->list_size; + fix->u.cpool.used++; + fix_cpool_check_shrink(allctr, type, fix, NULL); + return res; + } + if (size < 2*sizeof(UWord)) + size += sizeof(UWord); + if (size >= allctr->sbc_threshold) { + Block_t *blk; + blk = create_carrier(allctr, size, CFLG_SBC); + res = blk ? BLK2UMEM(blk) : NULL; + } + else + res = mbc_alloc(allctr, size); + if (res) { + fix->u.cpool.used++; + fix->u.cpool.allocated++; + } + return res; +} + +static ERTS_INLINE void +fix_cpool_free(Allctr_t *allctr, + ErtsAlcType_t type, + void *p, + Carrier_t **busy_pcrr_pp) +{ + ErtsAlcFixList_t *fix; + + ASSERT(ERTS_ALC_N_MIN_A_FIXED_SIZE <= type + && type <= ERTS_ALC_N_MAX_A_FIXED_SIZE); + + fix = &allctr->fix[type - ERTS_ALC_N_MIN_A_FIXED_SIZE]; + + fix->u.cpool.used--; + + if ((!busy_pcrr_pp || !*busy_pcrr_pp) + && !fix->u.cpool.shrink_list + && fix->list_size < ERTS_ALCU_FIX_MAX_LIST_SZ) { + *((void **) p) = fix->list; + fix->list = p; + fix->list_size++; + sched_fix_shrink(allctr, 1); + } + else { + Block_t *blk = UMEM2BLK(p); + if (IS_SBC_BLK(blk)) + destroy_carrier(allctr, blk, NULL); + else + mbc_free(allctr, p, busy_pcrr_pp); + fix->u.cpool.allocated--; + fix_cpool_check_shrink(allctr, type, fix, busy_pcrr_pp); + } +} + +static ERTS_INLINE erts_aint32_t +fix_cpool_alloc_shrink(Allctr_t *allctr, erts_aint32_t flgs) { int all_empty = 1; erts_aint32_t res = 0; int ix, o; - ErtsAlcFixList_t *fix = allctr->fix; int flush = flgs == 0; #ifdef USE_THREADS @@ -814,56 +1118,204 @@ erts_alcu_fix_alloc_shrink(Allctr_t *allctr, erts_aint32_t flgs) #endif for (ix = 0; ix < ERTS_ALC_NO_FIXED_SIZES; ix++) { + ErtsAlcFixList_t *fix = &allctr->fix[ix]; + ErtsAlcType_t type; ERTS_DBG_CHK_FIX_LIST(allctr, fix, ix, 1); - if (flgs & ERTS_SSI_AUX_WORK_FIX_ALLOC_LOWER_LIM) { - fix[ix].limit = fix[ix].max_used; - if (fix[ix].limit < fix[ix].used) - fix[ix].limit = fix[ix].used; - fix[ix].max_used = fix[ix].used; - ASSERT(fix[ix].limit >= 0); - - } - if (flush) { - fix[ix].limit = 0; - fix[ix].max_used = fix[ix].used; - ASSERT(fix[ix].limit >= 0); + if (flush) + fix->u.cpool.shrink_list = fix->list_size; + else if (flgs & ERTS_SSI_AUX_WORK_FIX_ALLOC_LOWER_LIM) { + fix->u.cpool.shrink_list = fix->u.cpool.min_list_size; + fix->u.cpool.min_list_size = fix->list_size; } + type = (ErtsAlcType_t) (ix + ERTS_ALC_N_MIN_A_FIXED_SIZE); for (o = 0; o < ERTS_ALC_FIX_MAX_SHRINK_OPS || flush; o++) { - Block_t *blk; void *ptr; - if (!flush && fix[ix].limit >= fix[ix].allocated) + if (fix->u.cpool.shrink_list == 0) break; - if (fix[ix].list_size == 0) + if (fix->list_size == 0) { + fix->u.cpool.shrink_list = 0; break; - ptr = fix[ix].list; - fix[ix].list = *((void **) ptr); - fix[ix].list_size--; + } + ptr = fix->list; + fix->list = *((void **) ptr); + fix->list_size--; + fix->u.cpool.shrink_list--; + fix->u.cpool.allocated--; + dealloc_fix_block(allctr, type, ptr, 0); + } + if (fix->u.cpool.min_list_size > fix->list_size) + fix->u.cpool.min_list_size = fix->list_size; + if (fix->list_size != 0) { + if (fix->u.cpool.shrink_list > 0) + res |= ERTS_SSI_AUX_WORK_FIX_ALLOC_DEALLOC; + all_empty = 0; + } + } - blk = UMEM2BLK(ptr); + if (all_empty) + sched_fix_shrink(allctr, 0); +#ifdef USE_THREADS + if (allctr->thread_safe) + erts_mtx_unlock(&allctr->mutex); +#endif + + return res; +} + +static ERTS_INLINE void * +fix_nocpool_alloc(Allctr_t *allctr, ErtsAlcType_t type, Uint size) +{ + ErtsAlcFixList_t *fix; + void *res; + + ASSERT(ERTS_ALC_N_MIN_A_FIXED_SIZE <= type + && type <= ERTS_ALC_N_MAX_A_FIXED_SIZE); + + fix = &allctr->fix[type - ERTS_ALC_N_MIN_A_FIXED_SIZE]; + + ERTS_DBG_CHK_FIX_LIST(allctr, fix, ix, 1); + fix->u.nocpool.used++; + res = fix->list; + if (res) { + fix->list_size--; + fix->list = *((void **) res); + if (fix->list && fix->u.nocpool.allocated > fix->u.nocpool.limit) { + Block_t *blk; + void *p = fix->list; + fix->list = *((void **) p); + fix->list_size--; + blk = UMEM2BLK(p); if (IS_SBC_BLK(blk)) - destroy_carrier(allctr, blk); + destroy_carrier(allctr, blk, NULL); else - mbc_free(allctr, ptr); + mbc_free(allctr, p, NULL); + fix->u.nocpool.allocated--; + } + ERTS_DBG_CHK_FIX_LIST(allctr, fix, ix, 0); + return res; + } + if (size < 2*sizeof(UWord)) + size += sizeof(UWord); + if (fix->u.nocpool.limit < fix->u.nocpool.used) + fix->u.nocpool.limit = fix->u.nocpool.used; + if (fix->u.nocpool.max_used < fix->u.nocpool.used) + fix->u.nocpool.max_used = fix->u.nocpool.used; + fix->u.nocpool.allocated++; + + if (size >= allctr->sbc_threshold) { + Block_t *blk; + blk = create_carrier(allctr, size, CFLG_SBC); + res = blk ? BLK2UMEM(blk) : NULL; + } + else + res = mbc_alloc(allctr, size); + + if (!res) { + fix->u.nocpool.allocated--; + fix->u.nocpool.used--; + } + return res; +} + +static ERTS_INLINE void +fix_nocpool_free(Allctr_t *allctr, + ErtsAlcType_t type, + void *p) +{ + Block_t *blk; + ErtsAlcFixList_t *fix; + + ASSERT(ERTS_ALC_N_MIN_A_FIXED_SIZE <= type + && type <= ERTS_ALC_N_MAX_A_FIXED_SIZE); + + fix = &allctr->fix[type - ERTS_ALC_N_MIN_A_FIXED_SIZE]; + + ERTS_DBG_CHK_FIX_LIST(allctr, fix, ix, 1); + fix->u.nocpool.used--; + if (fix->u.nocpool.allocated < fix->u.nocpool.limit + && fix->list_size < ERTS_ALCU_FIX_MAX_LIST_SZ) { + *((void **) p) = fix->list; + fix->list = p; + fix->list_size++; + sched_fix_shrink(allctr, 1); + ERTS_DBG_CHK_FIX_LIST(allctr, fix, ix, 0); + return; + } + fix->u.nocpool.allocated--; + if (fix->list && fix->u.nocpool.allocated > fix->u.nocpool.limit) { + blk = UMEM2BLK(p); + if (IS_SBC_BLK(blk)) + destroy_carrier(allctr, blk, NULL); + else + mbc_free(allctr, p, NULL); + p = fix->list; + fix->list = *((void **) p); + fix->list_size--; + fix->u.nocpool.allocated--; + } + + blk = UMEM2BLK(p); + if (IS_SBC_BLK(blk)) + destroy_carrier(allctr, blk, NULL); + else + mbc_free(allctr, p, NULL); + ERTS_DBG_CHK_FIX_LIST(allctr, fix, ix, 0); +} + +static ERTS_INLINE erts_aint32_t +fix_nocpool_alloc_shrink(Allctr_t *allctr, erts_aint32_t flgs) +{ + int all_empty = 1; + erts_aint32_t res = 0; + int ix, o; + int flush = flgs == 0; + +#ifdef USE_THREADS + if (allctr->thread_safe) + erts_mtx_lock(&allctr->mutex); +#endif + + for (ix = 0; ix < ERTS_ALC_NO_FIXED_SIZES; ix++) { + ErtsAlcFixList_t *fix = &allctr->fix[ix]; + ERTS_DBG_CHK_FIX_LIST(allctr, fix, ix, 1); + if (flgs & ERTS_SSI_AUX_WORK_FIX_ALLOC_LOWER_LIM) { + fix->u.nocpool.limit = fix->u.nocpool.max_used; + if (fix->u.nocpool.limit < fix->u.nocpool.used) + fix->u.nocpool.limit = fix->u.nocpool.used; + fix->u.nocpool.max_used = fix->u.nocpool.used; + ASSERT(fix->u.nocpool.limit >= 0); - fix[ix].allocated--; } - if (fix[ix].list_size != 0) { - if (fix[ix].limit < fix[ix].allocated) + if (flush) { + fix->u.nocpool.limit = 0; + fix->u.nocpool.max_used = fix->u.nocpool.used; + ASSERT(fix->u.nocpool.limit >= 0); + } + for (o = 0; o < ERTS_ALC_FIX_MAX_SHRINK_OPS || flush; o++) { + void *ptr; + + if (!flush && fix->u.nocpool.limit >= fix->u.nocpool.allocated) + break; + if (fix->list_size == 0) + break; + ptr = fix->list; + fix->list = *((void **) ptr); + fix->list_size--; + dealloc_block(allctr, ptr, 0); + fix->u.nocpool.allocated--; + } + if (fix->list_size != 0) { + if (fix->u.nocpool.limit < fix->u.nocpool.allocated) res |= ERTS_SSI_AUX_WORK_FIX_ALLOC_DEALLOC; all_empty = 0; } ERTS_DBG_CHK_FIX_LIST(allctr, fix, ix, 0); } - if (all_empty && allctr->fix_shrink_scheduled) { - allctr->fix_shrink_scheduled = 0; - erts_set_aux_work_timeout(allctr->ix, - (ERTS_SSI_AUX_WORK_FIX_ALLOC_LOWER_LIM - | ERTS_SSI_AUX_WORK_FIX_ALLOC_DEALLOC), - 0); - } + if (all_empty) + sched_fix_shrink(allctr, 0); #ifdef USE_THREADS if (allctr->thread_safe) @@ -873,13 +1325,18 @@ erts_alcu_fix_alloc_shrink(Allctr_t *allctr, erts_aint32_t flgs) return res; } -#ifdef ERTS_SMP +erts_aint32_t +erts_alcu_fix_alloc_shrink(Allctr_t *allctr, erts_aint32_t flgs) +{ + if (ERTS_ALC_IS_CPOOL_ENABLED(allctr)) + return fix_cpool_alloc_shrink(allctr, flgs); + else + return fix_nocpool_alloc_shrink(allctr, flgs); +} -typedef struct { - ErtsAllctrDDBlock_t ddblock__; /* must be first */ - ErtsAlcType_t fix_type; -}ErtsAllctrFixDDBlock_t; +static void dealloc_carrier(Allctr_t *allctr, Carrier_t *crr, Uint mseg_flags); +#ifdef ERTS_SMP static ERTS_INLINE Allctr_t* get_pref_allctr(void *extra) @@ -895,6 +1352,9 @@ get_pref_allctr(void *extra) return tspec->allctr[pref_ix]; } +#define ERTS_ALC_TS_PREF_LOCK_IF_USED (1) +#define ERTS_ALC_TS_PREF_LOCK_NO (0) + /* SMP note: * get_used_allctr() must be safe WITHOUT locking the allocator while * concurrent threads may be updating adjacent blocks. @@ -903,11 +1363,15 @@ get_pref_allctr(void *extra) * the "PREV_FREE" flag bit. */ static ERTS_INLINE Allctr_t* -get_used_allctr(Allctr_t *pref_allctr, void *extra, void *p, UWord *sizep) +get_used_allctr(Allctr_t *pref_allctr, int pref_lock, void *p, UWord *sizep, + Carrier_t **busy_pcrr_pp) { Block_t* blk = UMEM2BLK(p); - Carrier_t* crr; + Carrier_t *crr; erts_aint_t iallctr; + Allctr_t *used_allctr; + + *busy_pcrr_pp = NULL; if (IS_SBC_BLK(blk)) { crr = BLK_TO_SBC(blk); @@ -917,14 +1381,67 @@ get_used_allctr(Allctr_t *pref_allctr, void *extra, void *p, UWord *sizep) } else { crr = ABLK_TO_MBC(blk); + if (sizep) *sizep = MBC_ABLK_SZ(blk) - ABLK_HDR_SZ; if (!ERTS_ALC_IS_CPOOL_ENABLED(pref_allctr)) iallctr = erts_smp_atomic_read_dirty(&crr->allctr); - else + else { + int locked_pref_allctr = 0; iallctr = erts_smp_atomic_read_ddrb(&crr->allctr); + + if (ERTS_ALC_TS_PREF_LOCK_IF_USED == pref_lock + && pref_allctr->thread_safe) { + used_allctr = (Allctr_t *) (iallctr & ~FLG_MASK); + if (pref_allctr == used_allctr) { + erts_mtx_lock(&pref_allctr->mutex); + locked_pref_allctr = 1; + } + } + + while ((iallctr & ((~FLG_MASK)|ERTS_CRR_ALCTR_FLG_IN_POOL)) + == (((erts_aint_t) pref_allctr)|ERTS_CRR_ALCTR_FLG_IN_POOL)) { + erts_aint_t act; + + ERTS_ALC_CPOOL_ASSERT(!(iallctr & ERTS_CRR_ALCTR_FLG_BUSY)); + act = erts_smp_atomic_cmpxchg_ddrb(&crr->allctr, + iallctr|ERTS_CRR_ALCTR_FLG_BUSY, + iallctr); + if (act == iallctr) { + *busy_pcrr_pp = crr; + break; + } + iallctr = act; + } + + used_allctr = (Allctr_t *) (iallctr & ~FLG_MASK); + + if (ERTS_ALC_TS_PREF_LOCK_IF_USED == pref_lock) { + if (locked_pref_allctr && used_allctr != pref_allctr) { + /* Was taken out of pool; now owned by someone else */ + erts_mtx_unlock(&pref_allctr->mutex); + } + } + + ERTS_ALC_CPOOL_ASSERT( + (((iallctr & ~FLG_MASK) == (erts_aint_t) pref_allctr) + ? (((iallctr & FLG_MASK) == ERTS_CRR_ALCTR_FLG_IN_POOL) + || ((iallctr & FLG_MASK) == 0)) + : 1)); + + return used_allctr; + } } - return (Allctr_t *) (iallctr & ~FLG_MASK); + + used_allctr = (Allctr_t *) (iallctr & ~FLG_MASK); + + if (ERTS_ALC_TS_PREF_LOCK_IF_USED == pref_lock + && used_allctr == pref_allctr + && pref_allctr->thread_safe) { + erts_mtx_lock(&pref_allctr->mutex); + } + + return used_allctr; } static void @@ -1019,7 +1536,7 @@ check_insert_marker(ErtsAllctrDDQueue_t *ddq, erts_aint_t ilast) } static ERTS_INLINE int -ddq_enqueue(ErtsAlcType_t type, ErtsAllctrDDQueue_t *ddq, void *ptr, int cinit) +ddq_enqueue(ErtsAllctrDDQueue_t *ddq, void *ptr, int cinit) { int last_elem; int um_refc_ix = 0; @@ -1120,6 +1637,59 @@ store_earliest_thr_prgr(ErtsThrPrgrVal *prev_val, ErtsAllctrDDQueue_t *ddq) } } +static void +check_pending_dealloc_carrier(Allctr_t *allctr, + int *need_thr_progress, + ErtsThrPrgrVal *thr_prgr_p, + int *need_more_work); + +static void +handle_delayed_fix_dealloc(Allctr_t *allctr, void *ptr) +{ + ErtsAlcType_t type; + + type = ((ErtsAllctrFixDDBlock_t *) ptr)->fix_type; + + ASSERT(ERTS_ALC_N_MIN_A_FIXED_SIZE <= type + && type <= ERTS_ALC_N_MAX_A_FIXED_SIZE); + + if (!ERTS_ALC_IS_CPOOL_ENABLED(allctr)) + fix_nocpool_free(allctr, type, ptr); + else { + Block_t *blk = UMEM2BLK(ptr); + Carrier_t *busy_pcrr_p; + Allctr_t *used_allctr; + + if (IS_SBC_BLK(blk)) { + busy_pcrr_p = NULL; + goto doit; + } + + used_allctr = get_used_allctr(allctr, ERTS_ALC_TS_PREF_LOCK_NO, ptr, + NULL, &busy_pcrr_p); + if (used_allctr == allctr) { + doit: + fix_cpool_free(allctr, type, ptr, &busy_pcrr_p); + clear_busy_pool_carrier(allctr, busy_pcrr_p); + } + else { + /* Carrier migrated; need to redirect block to new owner... */ + int cinit = used_allctr->dd.ix - allctr->dd.ix; + + ERTS_ALC_CPOOL_ASSERT(!busy_pcrr_p); + + DEC_CC(allctr->calls.this_free); + + ((ErtsAllctrFixDDBlock_t *) ptr)->fix_type = type; + if (ddq_enqueue(&used_allctr->dd.q, ptr, cinit)) + erts_alloc_notify_delayed_dealloc(used_allctr->ix); + } + } +} + +static void +schedule_dealloc_carrier(Allctr_t *allctr, Carrier_t *crr); + static ERTS_INLINE int handle_delayed_dealloc(Allctr_t *allctr, int allctr_locked, @@ -1151,7 +1721,6 @@ handle_delayed_dealloc(Allctr_t *allctr, while (1) { Block_t *blk; void *ptr; - int ix; if (use_limit && ++ops > ops_limit) { if (ddq->head.first != ddq->head.unref_end) { @@ -1180,52 +1749,29 @@ handle_delayed_dealloc(Allctr_t *allctr, res = 1; - INC_CC(allctr->calls.this_free); - - if (fix) { - ErtsAlcType_t type; - - type = ((ErtsAllctrFixDDBlock_t*) ptr)->fix_type; - ix = type - ERTS_ALC_N_MIN_A_FIXED_SIZE; - ERTS_DBG_CHK_FIX_LIST(allctr, fix, ix, 1); - fix[ix].used--; - if (fix[ix].allocated < fix[ix].limit - && fix[ix].list_size < ERTS_ALCU_FIX_MAX_LIST_SZ) { - *((void **) ptr) = fix[ix].list; - fix[ix].list = ptr; - fix[ix].list_size++; - if (!allctr->fix_shrink_scheduled) { - allctr->fix_shrink_scheduled = 1; - erts_set_aux_work_timeout( - allctr->ix, - (ERTS_SSI_AUX_WORK_FIX_ALLOC_LOWER_LIM - | ERTS_SSI_AUX_WORK_FIX_ALLOC_DEALLOC), - 1); - } - ERTS_DBG_CHK_FIX_LIST(allctr, fix, ix, 0); - continue; - } - fix[ix].allocated--; - if (fix[ix].list && fix[ix].allocated > fix[ix].limit) { - blk = UMEM2BLK(ptr); - if (IS_SBC_BLK(blk)) - destroy_carrier(allctr, blk); - else - mbc_free(allctr, ptr); - ptr = fix[ix].list; - fix[ix].list = *((void **) ptr); - fix[ix].list_size--; - fix[ix].allocated--; - } + blk = UMEM2BLK(ptr); + if (IS_FREE_LAST_MBC_BLK(blk)) { + /* + * A multiblock carrier that previously has been migrated away + * from us and now is back to be deallocated... + * + * Note that we cannot use FBLK_TO_MBC(blk) since it + * data has been overwritten by the queue. + */ + Carrier_t *crr = FIRST_BLK_TO_MBC(allctr, blk); + ERTS_ALC_CPOOL_ASSERT(ERTS_ALC_IS_CPOOL_ENABLED(allctr)); + ERTS_ALC_CPOOL_ASSERT(allctr == crr->cpool.orig_allctr); + schedule_dealloc_carrier(allctr, crr); } + else { - blk = UMEM2BLK(ptr); + INC_CC(allctr->calls.this_free); - if (IS_SBC_BLK(blk)) - destroy_carrier(allctr, blk); - else - mbc_free(allctr, ptr); - ERTS_DBG_CHK_FIX_LIST(allctr, fix, ix, 0); + if (fix) + handle_delayed_fix_dealloc(allctr, ptr); + else + dealloc_block(allctr, ptr, 1); + } } if (need_thr_progress && !(need_thr_prgr | need_mr_wrk)) { @@ -1235,27 +1781,79 @@ handle_delayed_dealloc(Allctr_t *allctr, store_earliest_thr_prgr(thr_prgr_p, ddq); } - if (allctr->thread_safe && !allctr_locked) - erts_mtx_unlock(&allctr->mutex); - return res; -} + if (ERTS_ALC_IS_CPOOL_ENABLED(allctr)) + check_pending_dealloc_carrier(allctr, + need_thr_progress, + thr_prgr_p, + need_more_work); + + if (allctr->thread_safe && !allctr_locked) + erts_mtx_unlock(&allctr->mutex); + return res; +} + +static ERTS_INLINE void +enqueue_dealloc_other_instance(ErtsAlcType_t type, + Allctr_t *allctr, + void *ptr, + int cinit) +{ + if (allctr->fix) + ((ErtsAllctrFixDDBlock_t*) ptr)->fix_type = type; + + if (ddq_enqueue(&allctr->dd.q, ptr, cinit)) + erts_alloc_notify_delayed_dealloc(allctr->ix); +} + +#endif + +#ifdef ERTS_SMP +static void +set_new_allctr_abandon_limit(Allctr_t *allctr); +static void +abandon_carrier(Allctr_t *allctr, Carrier_t *crr); + + +static ERTS_INLINE void +check_abandon_carrier(Allctr_t *allctr, Block_t *fblk, Carrier_t **busy_pcrr_pp) +{ + Carrier_t *crr; + + if (busy_pcrr_pp && *busy_pcrr_pp) + return; + + if (!ERTS_ALC_IS_CPOOL_ENABLED(allctr)) + return; + + allctr->cpool.check_limit_count--; + if (--allctr->cpool.check_limit_count <= 0) + set_new_allctr_abandon_limit(allctr); + + if (!erts_thr_progress_is_managed_thread()) + return; + + if (allctr->cpool.disable_abandon) + return; + + if (allctr->mbcs.blocks.curr.size > allctr->cpool.abandon_limit) + return; + + + crr = FBLK_TO_MBC(fblk); + + if (allctr->main_carrier == crr) + return; + + if (crr->cpool.blocks_size > crr->cpool.abandon_limit) + return; -static ERTS_INLINE void -enqueue_dealloc_other_instance(ErtsAlcType_t type, - Allctr_t *allctr, - void *ptr, - int cinit) -{ - if (allctr->fix) - ((ErtsAllctrFixDDBlock_t*) ptr)->fix_type = type; + if (crr->cpool.thr_prgr != ERTS_THR_PRGR_INVALID + && !erts_thr_progress_has_reached(crr->cpool.thr_prgr)) + return; - if (ddq_enqueue(type, &allctr->dd.q, ptr, cinit)) - erts_alloc_notify_delayed_dealloc(allctr->ix); + abandon_carrier(allctr, crr); } -#endif - -#ifdef ERTS_SMP void erts_alcu_check_delayed_dealloc(Allctr_t *allctr, int limit, @@ -1273,10 +1871,50 @@ erts_alcu_check_delayed_dealloc(Allctr_t *allctr, } #endif -#define ERTS_ALCU_HANDLE_DD_IN_OP(Allctr, Locked) \ - handle_delayed_dealloc((Allctr), (Locked), 1, \ +#define ERTS_ALCU_HANDLE_DD_IN_OP(Allctr, Locked) \ + handle_delayed_dealloc((Allctr), (Locked), 1, \ ERTS_ALCU_DD_OPS_LIM_LOW, NULL, NULL, NULL) +static void +dealloc_block(Allctr_t *allctr, void *ptr, int dec_cc_on_redirect) +{ + Block_t *blk = UMEM2BLK(ptr); + + ERTS_SMP_LC_ASSERT(!allctr->thread_safe + || erts_lc_mtx_is_locked(&allctr->mutex)); + + if (IS_SBC_BLK(blk)) + destroy_carrier(allctr, blk, NULL); +#ifndef ERTS_SMP + else + mbc_free(allctr, ptr, NULL); +#else + else if (!ERTS_ALC_IS_CPOOL_ENABLED(allctr)) + mbc_free(allctr, ptr, NULL); + else { + Carrier_t *busy_pcrr_p; + Allctr_t *used_allctr; + used_allctr = get_used_allctr(allctr, ERTS_ALC_TS_PREF_LOCK_NO, ptr, + NULL, &busy_pcrr_p); + if (used_allctr == allctr) { + mbc_free(allctr, ptr, &busy_pcrr_p); + clear_busy_pool_carrier(allctr, busy_pcrr_p); + } + else { + /* Carrier migrated; need to redirect block to new owner... */ + int cinit = used_allctr->dd.ix - allctr->dd.ix; + + ERTS_ALC_CPOOL_ASSERT(!busy_pcrr_p); + + if (dec_cc_on_redirect) + DEC_CC(allctr->calls.this_free); + if (ddq_enqueue(&used_allctr->dd.q, ptr, cinit)) + erts_alloc_notify_delayed_dealloc(used_allctr->ix); + } + } +#endif +} + /* Multi block carrier alloc/realloc/free ... */ /* NOTE! mbc_alloc() may in case of memory shortage place the requested @@ -1293,20 +1931,8 @@ mbc_alloc_block(Allctr_t *allctr, Uint size, Uint *blk_szp) *blk_szp = get_blk_sz = UMEMSZ2BLKSZ(allctr, size); -#ifdef ERTS_SMP - if (allctr->dd.use) - ERTS_ALCU_HANDLE_DD_IN_OP(allctr, 1); -#endif - blk = (*allctr->get_free_block)(allctr, get_blk_sz, NULL, 0); -#ifdef ERTS_SMP - if (!blk && allctr->dd.use) { - if (ERTS_ALCU_HANDLE_DD_IN_OP(allctr, 1)) - blk = (*allctr->get_free_block)(allctr, get_blk_sz, NULL, 0); - } -#endif - if (!blk) { blk = create_carrier(allctr, get_blk_sz, CFLG_MBC); #if !HALFWORD_HEAP && !HAVE_SUPER_ALIGNED_MB_CARRIERS @@ -1413,7 +2039,8 @@ mbc_alloc_finalize(Allctr_t *allctr, ASSERT(ABLK_TO_MBC(blk) == crr); } - STAT_MBC_BLK_ALLOC(allctr, blk_sz); + ERTS_ALC_CPOOL_ALLOC_OP(allctr); + STAT_MBC_BLK_ALLOC(allctr, crr, blk_sz, alcu_flgs); ASSERT(IS_ALLOCED_BLK(blk)); ASSERT(blk_sz == MBC_BLK_SZ(blk)); @@ -1448,14 +2075,14 @@ mbc_alloc(Allctr_t *allctr, Uint size) } static void -mbc_free(Allctr_t *allctr, void *p) +mbc_free(Allctr_t *allctr, void *p, Carrier_t **busy_pcrr_pp) { Uint is_first_blk; Uint is_last_blk; Uint blk_sz; Block_t *blk; Block_t *nxt_blk; - + Carrier_t *crr; ASSERT(p); @@ -1467,7 +2094,10 @@ mbc_free(Allctr_t *allctr, void *p) HARD_CHECK_BLK_CARRIER(allctr, blk); - STAT_MBC_BLK_FREE(allctr, blk_sz); + crr = ABLK_TO_MBC(blk); + + ERTS_ALC_CPOOL_FREE_OP(allctr); + STAT_MBC_BLK_FREE(allctr, crr, busy_pcrr_pp, blk_sz, alcu_flgs); is_first_blk = IS_MBC_FIRST_ABLK(allctr, blk); is_last_blk = IS_LAST_BLK(blk); @@ -1525,16 +2155,20 @@ mbc_free(Allctr_t *allctr, void *p) if (is_first_blk && is_last_blk && allctr->main_carrier != FIRST_BLK_TO_MBC(allctr, blk)) { - destroy_carrier(allctr, blk); + destroy_carrier(allctr, blk, busy_pcrr_pp); } else { (*allctr->link_free_block)(allctr, blk); HARD_CHECK_BLK_CARRIER(allctr, blk); +#ifdef ERTS_SMP + check_abandon_carrier(allctr, blk, busy_pcrr_pp); +#endif } } static void * -mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) +mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs, + Carrier_t **busy_pcrr_pp) { void *new_p; Uint old_blk_sz; @@ -1548,11 +2182,6 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) Uint is_last_blk; #endif /* #ifndef MBC_REALLOC_ALWAYS_MOVES */ -#ifdef ERTS_SMP - if (allctr->dd.use) - ERTS_ALCU_HANDLE_DD_IN_OP(allctr, 1); -#endif - ASSERT(p); ASSERT(size); ASSERT(size < allctr->sbc_threshold); @@ -1566,6 +2195,12 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) if (alcu_flgs & ERTS_ALCU_FLG_FAIL_REALLOC_MOVE) return NULL; #else /* !MBC_REALLOC_ALWAYS_MOVES */ + +#ifdef ERTS_SMP + if (busy_pcrr_pp && *busy_pcrr_pp) + goto realloc_move; /* Don't want to use carrier in pool */ +#endif + get_blk_sz = blk_sz = UMEMSZ2BLKSZ(allctr, size); ASSERT(IS_ALLOCED_BLK(blk)); @@ -1636,8 +2271,11 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) nxt_blk = BLK_AFTER(blk, blk_sz); - STAT_MBC_BLK_FREE(allctr, old_blk_sz); - STAT_MBC_BLK_ALLOC(allctr, blk_sz); + crr = ABLK_TO_MBC(blk); + + ERTS_ALC_CPOOL_REALLOC_OP(allctr); + STAT_MBC_BLK_FREE(allctr, crr, NULL, old_blk_sz, alcu_flgs); + STAT_MBC_BLK_ALLOC(allctr, crr, blk_sz, alcu_flgs); ASSERT(MBC_BLK_SZ(blk) >= allctr->min_block_size); @@ -1655,7 +2293,6 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) SET_BLK_SZ_FTR(nxt_blk, nxt_blk_sz); } - crr = ABLK_TO_MBC(blk); SET_MBC_FBLK_HDR(nxt_blk, nxt_blk_sz, SBH_THIS_FREE | (is_last_blk ? SBH_LAST_BLK : 0), crr); @@ -1683,6 +2320,10 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) HARD_CHECK_BLK_CARRIER(allctr, blk); +#ifdef ERTS_SMP + check_abandon_carrier(allctr, nxt_blk, NULL); +#endif + return p; } @@ -1692,6 +2333,7 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) nxt_blk = BLK_AFTER(blk, old_blk_sz); nxt_blk_sz = MBC_BLK_SZ(nxt_blk); if (IS_FREE_BLK(nxt_blk) && get_blk_sz <= old_blk_sz + nxt_blk_sz) { + Carrier_t* crr = ABLK_TO_MBC(blk); /* Grow into next block... */ HARD_CHECK_BLK_CARRIER(allctr, blk); @@ -1721,7 +2363,6 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) } } else { - Carrier_t* crr = ABLK_TO_MBC(blk); SET_MBC_ABLK_SZ(blk, blk_sz); nxt_blk = BLK_AFTER(blk, blk_sz); @@ -1738,9 +2379,9 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) ASSERT(FBLK_TO_MBC(nxt_blk) == crr); } - STAT_MBC_BLK_FREE(allctr, old_blk_sz); - STAT_MBC_BLK_ALLOC(allctr, blk_sz); - + ERTS_ALC_CPOOL_REALLOC_OP(allctr); + STAT_MBC_BLK_FREE(allctr, crr, NULL, old_blk_sz, alcu_flgs); + STAT_MBC_BLK_ALLOC(allctr, crr, blk_sz, alcu_flgs); ASSERT(IS_ALLOCED_BLK(blk)); ASSERT(blk_sz == MBC_BLK_SZ(blk)); @@ -1793,13 +2434,16 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) if (cand_blk_sz < get_blk_sz) { /* We wont fit in cand_blk get a new one */ +#ifdef ERTS_SMP + realloc_move: +#endif #endif /* !MBC_REALLOC_ALWAYS_MOVES */ new_p = mbc_alloc(allctr, size); if (!new_p) return NULL; sys_memcpy(new_p, p, MIN(size, old_blk_sz - ABLK_HDR_SZ)); - mbc_free(allctr, p); + mbc_free(allctr, p, busy_pcrr_pp); return new_p; @@ -1829,7 +2473,7 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) 1); new_p = BLK2UMEM(new_blk); sys_memcpy(new_p, p, MIN(size, old_blk_sz - ABLK_HDR_SZ)); - mbc_free(allctr, p); + mbc_free(allctr, p, NULL); return new_p; } else { @@ -1885,7 +2529,8 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) blk_sz, 0); - STAT_MBC_BLK_FREE(allctr, old_blk_sz); + ERTS_ALC_CPOOL_FREE_OP(allctr); + STAT_MBC_BLK_FREE(allctr, crr, NULL, old_blk_sz, alcu_flgs); return new_p; } @@ -1895,7 +2540,11 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs) #ifdef ERTS_SMP +#define ERTS_ALC_MAX_DEALLOC_CARRIER 10 #define ERTS_ALC_CPOOL_MAX_FETCH_INSPECT 10 +#define ERTS_ALC_CPOOL_CHECK_LIMIT_COUNT 100 +#define ERTS_ALC_CPOOL_MAX_NO_CARRIERS 5 +#define ERTS_ALC_CPOOL_INSERT_ALLOWED_OFFSET 100 #define ERTS_ALC_CPOOL_PTR_MOD_MRK (((erts_aint_t) 1) << 0) #define ERTS_ALC_CPOOL_PTR_DEL_MRK (((erts_aint_t) 1) << 1) @@ -2063,7 +2712,6 @@ cpool_insert(Allctr_t *allctr, Carrier_t *crr) ERTS_ALC_CPOOL_ASSERT(erts_smp_atomic_read_nob(&crr->allctr) == (erts_aint_t) allctr); - erts_atomic_add_nob(&allctr->cpool.stat.blocks_size, (erts_aint_t) crr->cpool.blocks_size); erts_atomic_add_nob(&allctr->cpool.stat.no_blocks, @@ -2221,7 +2869,7 @@ cpool_delete(Allctr_t *allctr, Allctr_t *prev_allctr, Carrier_t *crr) crr->cpool.thr_prgr = erts_thr_progress_later(NULL); erts_atomic_add_nob(&prev_allctr->cpool.stat.blocks_size, - -((erts_aint_t) -crr->cpool.blocks_size)); + -((erts_aint_t) crr->cpool.blocks_size)); erts_atomic_add_nob(&prev_allctr->cpool.stat.no_blocks, -((erts_aint_t) crr->cpool.blocks)); erts_atomic_add_nob(&prev_allctr->cpool.stat.carriers_size, @@ -2248,6 +2896,13 @@ cpool_fetch(Allctr_t *allctr, UWord size) while (crr && i < ERTS_ALC_CPOOL_MAX_FETCH_INSPECT) { if (erts_atomic_read_nob(&crr->cpool.max_size) >= size) { unlink_carrier(&allctr->cpool.dc_list, crr); +#ifdef ERTS_ALC_CPOOL_DEBUG + ERTS_ALC_CPOOL_ASSERT(erts_smp_atomic_xchg_nob(&crr->allctr, + ((erts_aint_t) allctr)) + == (((erts_aint_t) allctr) & ~FLG_MASK)); +#else + erts_smp_atomic_set_nob(&crr->allctr, ((erts_aint_t) allctr)); +#endif return crr; } crr = crr->prev; @@ -2295,21 +2950,172 @@ cpool_fetch(Allctr_t *allctr, UWord size) return NULL; } +static void +check_pending_dealloc_carrier(Allctr_t *allctr, + int *need_thr_progress, + ErtsThrPrgrVal *thr_prgr_p, + int *need_more_work) +{ + Carrier_t *crr = allctr->cpool.dc_list.first; + + if (crr) { + ErtsThrPrgrVal current = erts_thr_progress_current(); + int i = 0; + + do { + Carrier_t *dcrr; + + if (!erts_thr_progress_has_reached_this(current, crr->cpool.thr_prgr)) + break; + + dcrr = crr; + crr = crr->next; + dealloc_carrier(allctr, dcrr, ERTS_MSEG_FLG_2POW); + i++; + } while (crr && i < ERTS_ALC_MAX_DEALLOC_CARRIER); + + allctr->cpool.dc_list.first = crr; + if (!crr) + allctr->cpool.dc_list.last = NULL; + else { + crr->prev = NULL; + + if (need_more_work) { + ERTS_ALC_CPOOL_ASSERT(need_thr_progress && thr_prgr_p); + if (erts_thr_progress_has_reached_this(current, crr->cpool.thr_prgr)) + *need_more_work = 1; + else { + *need_thr_progress = 1; + if (*thr_prgr_p == ERTS_THR_PRGR_INVALID + || erts_thr_progress_cmp(crr->cpool.thr_prgr, + *thr_prgr_p) < 0) { + *thr_prgr_p = crr->cpool.thr_prgr; + } + } + } + } + } +} + +static void +schedule_dealloc_carrier(Allctr_t *allctr, Carrier_t *crr) +{ + Allctr_t *used_allctr; + int check_pending_dealloc; + erts_aint_t max_size; + + if (!ERTS_ALC_IS_CPOOL_ENABLED(allctr)) { + dealloc_carrier(allctr, crr, ERTS_MSEG_FLG_2POW); + return; + } + + used_allctr = crr->cpool.orig_allctr; + + if (allctr != used_allctr) { + Block_t *blk = MBC_TO_FIRST_BLK(allctr, crr); + int cinit = used_allctr->dd.ix - allctr->dd.ix; + + /* + * Receiver will recognize that this is a carrier to + * deallocate since the block is an mbc block that + * is free and last in carrier... + */ + ERTS_ALC_CPOOL_ASSERT(IS_FREE_LAST_MBC_BLK(blk)); + + ERTS_ALC_CPOOL_ASSERT(IS_MBC_FIRST_ABLK(allctr, blk)); + ERTS_ALC_CPOOL_ASSERT(crr == FBLK_TO_MBC(blk)); + ERTS_ALC_CPOOL_ASSERT(crr == FIRST_BLK_TO_MBC(used_allctr, blk)); + + if (ddq_enqueue(&used_allctr->dd.q, BLK2UMEM(blk), cinit)) + erts_alloc_notify_delayed_dealloc(used_allctr->ix); + return; + } + + if (crr->cpool.thr_prgr == ERTS_THR_PRGR_INVALID + || erts_thr_progress_has_reached(crr->cpool.thr_prgr)) { + dealloc_carrier(allctr, crr, ERTS_MSEG_FLG_2POW); + return; + } + + max_size = (erts_aint_t) allctr->largest_fblk_in_mbc(allctr, crr); + erts_atomic_set_nob(&crr->cpool.max_size, max_size); + + crr->next = NULL; + crr->prev = allctr->cpool.dc_list.last; + if (allctr->cpool.dc_list.last) { + check_pending_dealloc = 1; + allctr->cpool.dc_list.last->next = crr; + } + else { + check_pending_dealloc = 0; + allctr->cpool.dc_list.first = crr; + } + allctr->cpool.dc_list.last = crr; + if (check_pending_dealloc) + check_pending_dealloc_carrier(allctr, NULL, NULL, NULL); + erts_alloc_ensure_handle_delayed_dealloc_call(allctr->ix); +} + static ERTS_INLINE void cpool_init_carrier_data(Allctr_t *allctr, Carrier_t *crr) { - UWord limit, csz; erts_atomic_init_nob(&crr->cpool.next, ERTS_AINT_NULL); erts_atomic_init_nob(&crr->cpool.prev, ERTS_AINT_NULL); + crr->cpool.orig_allctr = allctr; crr->cpool.thr_prgr = ERTS_THR_PRGR_INVALID; erts_atomic_init_nob(&crr->cpool.max_size, 0); - csz = CARRIER_SZ(crr); + crr->cpool.blocks = 0; + crr->cpool.blocks_size = 0; + if (!ERTS_ALC_IS_CPOOL_ENABLED(allctr)) + crr->cpool.abandon_limit = 0; + else { + UWord csz = CARRIER_SZ(crr); + UWord limit = csz*allctr->cpool.util_limit; + if (limit > csz) + limit /= 100; + else + limit = (csz/100)*allctr->cpool.util_limit; + crr->cpool.abandon_limit = limit; + } +} + +static void +set_new_allctr_abandon_limit(Allctr_t *allctr) +{ + UWord limit; + UWord csz; + + allctr->cpool.check_limit_count = ERTS_ALC_CPOOL_CHECK_LIMIT_COUNT; + + csz = allctr->mbcs.curr.norm.mseg.size; + csz += allctr->mbcs.curr.norm.sys_alloc.size; + limit = csz*allctr->cpool.util_limit; if (limit > csz) limit /= 100; else limit = (csz/100)*allctr->cpool.util_limit; - crr->cpool.abandon_limit = limit; + + allctr->cpool.abandon_limit = limit; +} + +static void +abandon_carrier(Allctr_t *allctr, Carrier_t *crr) +{ + erts_aint_t max_size; + + STAT_MBC_CPOOL_INSERT(allctr, crr); + + unlink_carrier(&allctr->mbc_list, crr); + + allctr->remove_mbc(allctr, crr); + + max_size = (erts_aint_t) allctr->largest_fblk_in_mbc(allctr, crr); + erts_atomic_set_nob(&crr->cpool.max_size, max_size); + + cpool_insert(allctr, crr); + + set_new_allctr_abandon_limit(allctr); } #endif /* ERTS_SMP */ @@ -2385,6 +3191,24 @@ create_carrier(Allctr_t *allctr, Uint umem_sz, UWord flags) blk_sz = UMEMSZ2BLKSZ(allctr, umem_sz); +#ifdef ERTS_SMP + allctr->cpool.disable_abandon = ERTS_ALC_CPOOL_MAX_DISABLE_ABANDON; + + if ((flags & (CFLG_MBC|CFLG_NO_CPOOL)) == CFLG_MBC + && ERTS_ALC_IS_CPOOL_ENABLED(allctr) + && erts_thr_progress_is_managed_thread()) { + crr = cpool_fetch(allctr, blk_sz); + if (crr) { + STAT_MBC_CPOOL_FETCH(allctr, crr); + link_carrier(&allctr->mbc_list, crr); + (*allctr->add_mbc)(allctr, crr); + blk = (*allctr->get_free_block)(allctr, blk_sz, NULL, 0); + ASSERT(blk); + return blk; + } + } +#endif + #if HAVE_ERTS_MSEG if (flags & CFLG_FORCE_SYS_ALLOC) @@ -2512,6 +3336,10 @@ create_carrier(Allctr_t *allctr, Uint umem_sz, UWord flags) allctr->main_carrier = crr; } +#ifdef ERTS_SMP + cpool_init_carrier_data(allctr, crr); +#endif + link_carrier(&allctr->mbc_list, crr); CHECK_1BLK_CARRIER(allctr, 0, is_mseg, crr, crr_sz, blk, blk_sz); @@ -2660,14 +3488,21 @@ resize_carrier(Allctr_t *allctr, Block_t *old_blk, Uint umem_sz, UWord flags) } static void -destroy_carrier(Allctr_t *allctr, Block_t *blk) +dealloc_carrier(Allctr_t *allctr, Carrier_t *crr, Uint mseg_flags) { - Uint crr_sz; - Carrier_t *crr; #if HAVE_ERTS_MSEG - Uint is_mseg = 0; - Uint mseg_flags = ERTS_MSEG_FLG_NONE; + if (IS_MSEG_CARRIER(crr)) + alcu_mseg_dealloc(allctr, crr, CARRIER_SZ(crr), mseg_flags); + else #endif + alcu_sys_free(allctr, crr); +} + +static void +destroy_carrier(Allctr_t *allctr, Block_t *blk, Carrier_t **busy_pcrr_pp) +{ + Uint crr_sz; + Carrier_t *crr; if (IS_SBC_BLK(blk)) { Uint blk_sz = SBC_BLK_SZ(blk); @@ -2680,7 +3515,6 @@ destroy_carrier(Allctr_t *allctr, Block_t *blk) #if HAVE_ERTS_MSEG if (IS_MSEG_CARRIER(crr)) { - is_mseg++; ASSERT(crr_sz % MSEG_UNIT_SZ == 0); STAT_MSEG_SBC_FREE(allctr, crr_sz, blk_sz); } @@ -2690,6 +3524,7 @@ destroy_carrier(Allctr_t *allctr, Block_t *blk) unlink_carrier(&allctr->sbc_list, crr); + dealloc_carrier(allctr, crr, ERTS_MSEG_FLG_NONE); } else { ASSERT(IS_MBC_FIRST_FBLK(allctr, blk)); @@ -2708,30 +3543,36 @@ destroy_carrier(Allctr_t *allctr, Block_t *blk) } #endif -#if HAVE_ERTS_MSEG - if (IS_MSEG_CARRIER(crr)) { - is_mseg++; - ASSERT(crr_sz % MSEG_UNIT_SZ == 0); - STAT_MSEG_MBC_FREE(allctr, crr_sz); - mseg_flags = ERTS_MSEG_FLG_2POW; + if (allctr->destroying_mbc) + (*allctr->destroying_mbc)(allctr, crr); + +#ifdef ERTS_SMP + if (busy_pcrr_pp && *busy_pcrr_pp) { + ERTS_ALC_CPOOL_ASSERT(*busy_pcrr_pp == crr); + *busy_pcrr_pp = NULL; + cpool_delete(allctr, allctr, crr); } else #endif - STAT_SYS_ALLOC_MBC_FREE(allctr, crr_sz); + { + unlink_carrier(&allctr->mbc_list, crr); +#if HAVE_ERTS_MSEG + if (IS_MSEG_CARRIER(crr)) { + ASSERT(crr_sz % MSEG_UNIT_SZ == 0); + STAT_MSEG_MBC_FREE(allctr, crr_sz); + } + else +#endif + STAT_SYS_ALLOC_MBC_FREE(allctr, crr_sz); + } - unlink_carrier(&allctr->mbc_list, crr); - if (allctr->destroying_mbc) - (*allctr->destroying_mbc)(allctr, crr); +#ifdef ERTS_SMP + schedule_dealloc_carrier(allctr, crr); +#else + dealloc_carrier(allctr, crr, ERTS_MSEG_FLG_2POW); +#endif } - -#if HAVE_ERTS_MSEG - if (is_mseg) { - alcu_mseg_dealloc(allctr, crr, crr_sz, mseg_flags); - } - else -#endif - alcu_sys_free(allctr, crr); } @@ -2974,8 +3815,24 @@ add_4tup(Uint **hpp, Uint *szp, Eterm *lp, bld_cons(hpp, szp, bld_tuple(hpp, szp, 4, el1, el2, el3, el4), *lp); } +static ERTS_INLINE void +add_fix_types(Allctr_t *allctr, int internal, Uint **hpp, Uint *szp, + Eterm *lp, Eterm fix) +{ + if (allctr->fix) { + if (!ERTS_ALC_IS_CPOOL_ENABLED(allctr)) + add_2tup(hpp, szp, lp, am.fix_types, fix); + else if (internal) + add_3tup(hpp, szp, lp, + am.fix_types, + erts_bld_uword(hpp, szp, ~((UWord) 0)), + fix); + } +} + static Eterm sz_info_fix(Allctr_t *allctr, + int internal, int *print_to_p, void *print_to_arg, Uint **hpp, @@ -2983,36 +3840,67 @@ sz_info_fix(Allctr_t *allctr, { Eterm res; int ix; - ErtsAlcFixList_t *fix = allctr->fix; - ASSERT(fix); + ASSERT(allctr->fix); res = NIL; - for (ix = ERTS_ALC_NO_FIXED_SIZES-1; ix >= 0; ix--) { - ErtsAlcType_t n = ix + ERTS_ALC_N_MIN_A_FIXED_SIZE; - Uint alloced = (fix[ix].type_size * fix[ix].allocated); - Uint used = fix[ix].type_size*fix[ix].used; - - if (print_to_p) { - int to = *print_to_p; - void *arg = print_to_arg; - erts_print(to, - arg, - "fix type: %s %bpu %bpu\n", - (char *) ERTS_ALC_N2TD(n), - alloced, - used); - } + if (ERTS_ALC_IS_CPOOL_ENABLED(allctr)) { + + if (internal) { + for (ix = ERTS_ALC_NO_FIXED_SIZES-1; ix >= 0; ix--) { + ErtsAlcFixList_t *fix = &allctr->fix[ix]; + UWord alloced = fix->type_size * fix->u.cpool.allocated; + UWord used = fix->type_size * fix->u.cpool.used; + + if (print_to_p) { + int to = *print_to_p; + void *arg = print_to_arg; + erts_print(to, + arg, + "fix type internal: %s %bpu %bpu\n", + (char *) ERTS_ALC_N2TD(ERTS_ALC_N_MIN_A_FIXED_SIZE + + ix), + alloced, + used); + } - if (hpp || szp) { - add_3tup(hpp, szp, &res, - fix_type_atoms[ix], - bld_unstable_uint(hpp, szp, alloced), - bld_unstable_uint(hpp, szp, used)); + if (hpp || szp) { + add_3tup(hpp, szp, &res, + fix_type_atoms[ix], + bld_unstable_uint(hpp, szp, alloced), + bld_unstable_uint(hpp, szp, used)); + } + } } } + else { + + for (ix = ERTS_ALC_NO_FIXED_SIZES-1; ix >= 0; ix--) { + ErtsAlcFixList_t *fix = &allctr->fix[ix]; + UWord alloced = fix->type_size * fix->u.nocpool.allocated; + UWord used = fix->type_size*fix->u.nocpool.used; + + if (print_to_p) { + int to = *print_to_p; + void *arg = print_to_arg; + erts_print(to, + arg, + "fix type: %s %bpu %bpu\n", + (char *) ERTS_ALC_N2TD(ERTS_ALC_N_MIN_A_FIXED_SIZE + + ix), + alloced, + used); + } + if (hpp || szp) { + add_3tup(hpp, szp, &res, + fix_type_atoms[ix], + bld_unstable_uint(hpp, szp, alloced), + bld_unstable_uint(hpp, szp, used)); + } + } + } return res; } @@ -3516,6 +4404,7 @@ erts_alcu_info_options(Allctr_t *allctr, Eterm erts_alcu_sz_info(Allctr_t *allctr, + int internal, int begin_max_period, int *print_to_p, void *print_to_arg, @@ -3555,7 +4444,7 @@ erts_alcu_sz_info(Allctr_t *allctr, update_max_ever_values(&allctr->sbcs); if (allctr->fix) - fix = sz_info_fix(allctr, print_to_p, print_to_arg, hpp, szp); + fix = sz_info_fix(allctr, internal, print_to_p, print_to_arg, hpp, szp); mbcs = sz_info_carriers(allctr, &allctr->mbcs, "mbcs ", print_to_p, print_to_arg, hpp, szp); sbcs = sz_info_carriers(allctr, &allctr->sbcs, "sbcs ", print_to_p, @@ -3565,8 +4454,7 @@ erts_alcu_sz_info(Allctr_t *allctr, res = NIL; add_2tup(hpp, szp, &res, am.sbcs, sbcs); add_2tup(hpp, szp, &res, am.mbcs, mbcs); - if (allctr->fix) - add_2tup(hpp, szp, &res, am.fix_types, fix); + add_fix_types(allctr, internal, hpp, szp, &res, fix); } if (begin_max_period) { @@ -3588,6 +4476,7 @@ erts_alcu_sz_info(Allctr_t *allctr, Eterm erts_alcu_info(Allctr_t *allctr, + int internal, int begin_max_period, int *print_to_p, void *print_to_arg, @@ -3636,7 +4525,7 @@ erts_alcu_info(Allctr_t *allctr, sett = info_options(allctr, print_to_p, print_to_arg, hpp, szp); if (allctr->fix) - fix = sz_info_fix(allctr, print_to_p, print_to_arg, hpp, szp); + fix = sz_info_fix(allctr, internal, print_to_p, print_to_arg, hpp, szp); mbcs = info_carriers(allctr, &allctr->mbcs, "mbcs ", print_to_p, print_to_arg, hpp, szp); sbcs = info_carriers(allctr, &allctr->sbcs, "sbcs ", print_to_p, @@ -3649,8 +4538,7 @@ erts_alcu_info(Allctr_t *allctr, add_2tup(hpp, szp, &res, am.calls, calls); add_2tup(hpp, szp, &res, am.sbcs, sbcs); add_2tup(hpp, szp, &res, am.mbcs, mbcs); - if (allctr->fix) - add_2tup(hpp, szp, &res, am.fix_types, fix); + add_fix_types(allctr, internal, hpp, szp, &res, fix); add_2tup(hpp, szp, &res, am.options, sett); add_3tup(hpp, szp, &res, am.versions, @@ -3696,10 +4584,18 @@ erts_alcu_current_size(Allctr_t *allctr, AllctrSize_t *size, ErtsAlcUFixInfo_t * int ix; for (ix = 0; ix < fisz; ix++) { if (allctr->fix) { - fi[ix].allocated += (allctr->fix[ix].type_size - * allctr->fix[ix].allocated); - fi[ix].used += (allctr->fix[ix].type_size - * allctr->fix[ix].used); + if (ERTS_ALC_IS_CPOOL_ENABLED(allctr)) { + fi[ix].allocated += (allctr->fix[ix].type_size + * allctr->fix[ix].u.cpool.allocated); + fi[ix].used += (allctr->fix[ix].type_size + * allctr->fix[ix].u.cpool.used); + } + else { + fi[ix].allocated += (allctr->fix[ix].type_size + * allctr->fix[ix].u.nocpool.allocated); + fi[ix].used += (allctr->fix[ix].type_size + * allctr->fix[ix].u.nocpool.used); + } } } } @@ -3717,7 +4613,6 @@ do_erts_alcu_alloc(ErtsAlcType_t type, void *extra, Uint size) { Allctr_t *allctr = (Allctr_t *) extra; void *res; - ErtsAlcFixList_t *fix; ASSERT(initialized); @@ -3735,57 +4630,21 @@ do_erts_alcu_alloc(ErtsAlcType_t type, void *extra, Uint size) INC_CC(allctr->calls.this_alloc); - fix = allctr->fix; - if (fix) { - int ix = type - ERTS_ALC_N_MIN_A_FIXED_SIZE; - ASSERT((unsigned)ix < ERTS_ALC_NO_FIXED_SIZES); - ERTS_DBG_CHK_FIX_LIST(allctr, fix, ix, 1); - ASSERT(size <= fix[ix].type_size); - fix[ix].used++; - res = fix[ix].list; - if (res) { - fix[ix].list_size--; - fix[ix].list = *((void **) res); - if (fix[ix].list && fix[ix].allocated > fix[ix].limit) { - void *p = fix[ix].list; - Block_t *blk; - fix[ix].list = *((void **) p); - fix[ix].list_size--; - blk = UMEM2BLK(p); - if (IS_SBC_BLK(blk)) - destroy_carrier(allctr, blk); - else - mbc_free(allctr, p); - fix[ix].allocated--; - } - ERTS_DBG_CHK_FIX_LIST(allctr, fix, ix, 0); - return res; - } - size = fix[ix].type_size; - if (fix[ix].limit < fix[ix].used) - fix[ix].limit = fix[ix].used; - if (fix[ix].max_used < fix[ix].used) - fix[ix].max_used = fix[ix].used; - fix[ix].allocated++; + if (allctr->fix) { + if (ERTS_ALC_IS_CPOOL_ENABLED(allctr)) + return fix_cpool_alloc(allctr, type, size); + else + return fix_nocpool_alloc(allctr, type, size); } if (size >= allctr->sbc_threshold) { Block_t *blk; -#ifdef ERTS_SMP - if (allctr->dd.use) - ERTS_ALCU_HANDLE_DD_IN_OP(allctr, 1); -#endif blk = create_carrier(allctr, size, CFLG_SBC); res = blk ? BLK2UMEM(blk) : NULL; } else res = mbc_alloc(allctr, size); - if (!res && fix) { - int ix = type - ERTS_ALC_N_MIN_A_FIXED_SIZE; - fix[ix].allocated--; - fix[ix].used--; - } return res; } @@ -3854,9 +4713,22 @@ erts_alcu_alloc_thr_pref(ErtsAlcType_t type, void *extra, Uint size) if (pref_allctr->thread_safe) erts_mtx_lock(&pref_allctr->mutex); +#ifdef ERTS_SMP + ASSERT(pref_allctr->dd.use); + ERTS_ALCU_HANDLE_DD_IN_OP(pref_allctr, 1); +#endif + ERTS_ALCU_DBG_CHK_THR_ACCESS(pref_allctr); res = do_erts_alcu_alloc(type, pref_allctr, size); + +#ifdef ERTS_SMP + if (!res && ERTS_ALCU_HANDLE_DD_IN_OP(pref_allctr, 1)) { + /* Cleaned up a bit more; try one more time... */ + res = do_erts_alcu_alloc(type, pref_allctr, size); + } +#endif + if (pref_allctr->thread_safe) erts_mtx_unlock(&pref_allctr->mutex); @@ -3873,9 +4745,9 @@ erts_alcu_alloc_thr_pref(ErtsAlcType_t type, void *extra, Uint size) /* ------------------------------------------------------------------------- */ static ERTS_INLINE void -do_erts_alcu_free(ErtsAlcType_t type, void *extra, void *p) +do_erts_alcu_free(ErtsAlcType_t type, void *extra, void *p, + Carrier_t **busy_pcrr_pp) { - int ix; Allctr_t *allctr = (Allctr_t *) extra; ASSERT(initialized); @@ -3887,57 +4759,28 @@ do_erts_alcu_free(ErtsAlcType_t type, void *extra, void *p) ERTS_ALCU_DBG_CHK_THR_ACCESS(allctr); if (p) { - ErtsAlcFixList_t *fix = allctr->fix; - Block_t *blk; INC_CC(allctr->calls.this_free); - if (fix) { - ix = type - ERTS_ALC_N_MIN_A_FIXED_SIZE; - ERTS_DBG_CHK_FIX_LIST(allctr, fix, ix, 1); - fix[ix].used--; - if (fix[ix].allocated < fix[ix].limit - && fix[ix].list_size < ERTS_ALCU_FIX_MAX_LIST_SZ) { - *((void **) p) = fix[ix].list; - fix[ix].list = p; - fix[ix].list_size++; - if (!allctr->fix_shrink_scheduled) { - allctr->fix_shrink_scheduled = 1; - erts_set_aux_work_timeout( - allctr->ix, - (ERTS_SSI_AUX_WORK_FIX_ALLOC_LOWER_LIM - | ERTS_SSI_AUX_WORK_FIX_ALLOC_DEALLOC), - 1); - } - ERTS_DBG_CHK_FIX_LIST(allctr, fix, ix, 0); - return; - } - fix[ix].allocated--; - if (fix[ix].list && fix[ix].allocated > fix[ix].limit) { - blk = UMEM2BLK(p); - if (IS_SBC_BLK(blk)) - destroy_carrier(allctr, blk); - else - mbc_free(allctr, p); - p = fix[ix].list; - fix[ix].list = *((void **) p); - fix[ix].list_size--; - fix[ix].allocated--; - } + if (allctr->fix) { + if (ERTS_ALC_IS_CPOOL_ENABLED(allctr)) + fix_cpool_free(allctr, type, p, busy_pcrr_pp); + else + fix_nocpool_free(allctr, type, p); + } + else { + Block_t *blk = UMEM2BLK(p); + if (IS_SBC_BLK(blk)) + destroy_carrier(allctr, blk, NULL); + else + mbc_free(allctr, p, busy_pcrr_pp); } - - blk = UMEM2BLK(p); - if (IS_SBC_BLK(blk)) - destroy_carrier(allctr, blk); - else - mbc_free(allctr, p); - ERTS_DBG_CHK_FIX_LIST(allctr, fix, ix, 0); } } void erts_alcu_free(ErtsAlcType_t type, void *extra, void *p) { - do_erts_alcu_free(type, extra, p); + do_erts_alcu_free(type, extra, p, NULL); } #ifdef USE_THREADS @@ -3947,7 +4790,7 @@ erts_alcu_free_ts(ErtsAlcType_t type, void *extra, void *p) { Allctr_t *allctr = (Allctr_t *) extra; erts_mtx_lock(&allctr->mutex); - do_erts_alcu_free(type, extra, p); + do_erts_alcu_free(type, extra, p, NULL); erts_mtx_unlock(&allctr->mutex); } @@ -3969,7 +4812,7 @@ erts_alcu_free_thr_spec(ErtsAlcType_t type, void *extra, void *p) if (allctr->thread_safe) erts_mtx_lock(&allctr->mutex); - do_erts_alcu_free(type, allctr, p); + do_erts_alcu_free(type, allctr, p, NULL); if (allctr->thread_safe) erts_mtx_unlock(&allctr->mutex); @@ -3979,10 +4822,12 @@ void erts_alcu_free_thr_pref(ErtsAlcType_t type, void *extra, void *p) { if (p) { + Carrier_t *busy_pcrr_p; Allctr_t *pref_allctr, *used_allctr; pref_allctr = get_pref_allctr(extra); - used_allctr = get_used_allctr(pref_allctr, extra, p, NULL); + used_allctr = get_used_allctr(pref_allctr, ERTS_ALC_TS_PREF_LOCK_IF_USED, + p, NULL, &busy_pcrr_p); if (pref_allctr != used_allctr) enqueue_dealloc_other_instance(type, used_allctr, @@ -3990,12 +4835,11 @@ erts_alcu_free_thr_pref(ErtsAlcType_t type, void *extra, void *p) (used_allctr->dd.ix - pref_allctr->dd.ix)); else { - if (used_allctr->thread_safe) - erts_mtx_lock(&used_allctr->mutex); ERTS_ALCU_DBG_CHK_THR_ACCESS(used_allctr); - do_erts_alcu_free(type, used_allctr, p); - if (used_allctr->thread_safe) - erts_mtx_unlock(&used_allctr->mutex); + do_erts_alcu_free(type, used_allctr, p, &busy_pcrr_p); + clear_busy_pool_carrier(used_allctr, busy_pcrr_p); + if (pref_allctr->thread_safe) + erts_mtx_unlock(&pref_allctr->mutex); } } } @@ -4011,7 +4855,8 @@ do_erts_alcu_realloc(ErtsAlcType_t type, void *extra, void *p, Uint size, - Uint32 alcu_flgs) + Uint32 alcu_flgs, + Carrier_t **busy_pcrr_pp) { Allctr_t *allctr = (Allctr_t *) extra; Block_t *blk; @@ -4036,7 +4881,7 @@ do_erts_alcu_realloc(ErtsAlcType_t type, #if ALLOC_ZERO_EQ_NULL if (!size) { ASSERT(p); - do_erts_alcu_free(type, extra, p); + do_erts_alcu_free(type, extra, p, busy_pcrr_pp); INC_CC(allctr->calls.this_realloc); DEC_CC(allctr->calls.this_free); return NULL; @@ -4049,7 +4894,7 @@ do_erts_alcu_realloc(ErtsAlcType_t type, if (size < allctr->sbc_threshold) { if (IS_MBC_BLK(blk)) - res = mbc_realloc(allctr, p, size, alcu_flgs); + res = mbc_realloc(allctr, p, size, alcu_flgs, busy_pcrr_pp); else { Uint used_sz = SBC_HEADER_SIZE + ABLK_HDR_SZ + size; Uint crr_sz; @@ -4088,16 +4933,12 @@ do_erts_alcu_realloc(ErtsAlcType_t type, sys_memcpy((void*) res, (void*) p, MIN(SBC_BLK_SZ(blk) - ABLK_HDR_SZ, size)); - destroy_carrier(allctr, blk); + destroy_carrier(allctr, blk, NULL); } } } else { Block_t *new_blk; -#ifdef ERTS_SMP - if (allctr->dd.use) - ERTS_ALCU_HANDLE_DD_IN_OP(allctr, 1); -#endif if(IS_SBC_BLK(blk)) { do_carrier_resize: #if HALFWORD_HEAP @@ -4116,7 +4957,7 @@ do_erts_alcu_realloc(ErtsAlcType_t type, sys_memcpy((void *) res, (void *) p, MIN(MBC_ABLK_SZ(blk) - ABLK_HDR_SZ, size)); - mbc_free(allctr, p); + mbc_free(allctr, p, busy_pcrr_pp); } else res = NULL; @@ -4130,7 +4971,7 @@ void * erts_alcu_realloc(ErtsAlcType_t type, void *extra, void *p, Uint size) { void *res; - res = do_erts_alcu_realloc(type, extra, p, size, 0); + res = do_erts_alcu_realloc(type, extra, p, size, 0, NULL); DEBUG_CHECK_ALIGNMENT(res); return res; } @@ -4151,7 +4992,7 @@ erts_alcu_realloc_mv(ErtsAlcType_t type, void *extra, void *p, Uint size) if (cpy_size > size) cpy_size = size; sys_memcpy(res, p, cpy_size); - do_erts_alcu_free(type, extra, p); + do_erts_alcu_free(type, extra, p, NULL); } DEBUG_CHECK_ALIGNMENT(res); return res; @@ -4166,7 +5007,7 @@ erts_alcu_realloc_ts(ErtsAlcType_t type, void *extra, void *ptr, Uint size) Allctr_t *allctr = (Allctr_t *) extra; void *res; erts_mtx_lock(&allctr->mutex); - res = do_erts_alcu_realloc(type, extra, ptr, size, 0); + res = do_erts_alcu_realloc(type, extra, ptr, size, 0, NULL); erts_mtx_unlock(&allctr->mutex); DEBUG_CHECK_ALIGNMENT(res); return res; @@ -4190,7 +5031,7 @@ erts_alcu_realloc_mv_ts(ErtsAlcType_t type, void *extra, void *p, Uint size) if (cpy_size > size) cpy_size = size; sys_memcpy(res, p, cpy_size); - do_erts_alcu_free(type, extra, p); + do_erts_alcu_free(type, extra, p, NULL); } erts_mtx_unlock(&allctr->mutex); DEBUG_CHECK_ALIGNMENT(res); @@ -4217,7 +5058,7 @@ erts_alcu_realloc_thr_spec(ErtsAlcType_t type, void *extra, if (allctr->thread_safe) erts_mtx_lock(&allctr->mutex); - res = do_erts_alcu_realloc(type, allctr, ptr, size, 0); + res = do_erts_alcu_realloc(type, allctr, ptr, size, 0, NULL); if (allctr->thread_safe) erts_mtx_unlock(&allctr->mutex); @@ -4260,7 +5101,7 @@ erts_alcu_realloc_mv_thr_spec(ErtsAlcType_t type, void *extra, if (cpy_size > size) cpy_size = size; sys_memcpy(res, ptr, cpy_size); - do_erts_alcu_free(type, allctr, ptr); + do_erts_alcu_free(type, allctr, ptr, NULL); if (allctr->thread_safe) erts_mtx_unlock(&allctr->mutex); } @@ -4277,40 +5118,64 @@ realloc_thr_pref(ErtsAlcType_t type, void *extra, void *p, Uint size, void *res; Allctr_t *pref_allctr, *used_allctr; UWord old_user_size; + Carrier_t *busy_pcrr_p; +#ifdef ERTS_SMP + int retried; +#endif if (!p) return erts_alcu_alloc_thr_pref(type, extra, size); pref_allctr = get_pref_allctr(extra); - used_allctr = get_used_allctr(pref_allctr, extra, p, &old_user_size); + + if (pref_allctr->thread_safe) + erts_mtx_lock(&pref_allctr->mutex); + +#ifdef ERTS_SMP + ASSERT(pref_allctr->dd.use); + ERTS_ALCU_HANDLE_DD_IN_OP(pref_allctr, 1); + retried = 0; +restart: +#endif + + used_allctr = get_used_allctr(pref_allctr, ERTS_ALC_TS_PREF_LOCK_NO, + p, &old_user_size, &busy_pcrr_p); ASSERT(used_allctr && pref_allctr); if (!force_move && used_allctr == pref_allctr) { - if (used_allctr->thread_safe) - erts_mtx_lock(&used_allctr->mutex); ERTS_ALCU_DBG_CHK_THR_ACCESS(used_allctr); res = do_erts_alcu_realloc(type, used_allctr, p, size, - 0); - if (used_allctr->thread_safe) - erts_mtx_unlock(&used_allctr->mutex); + 0, + &busy_pcrr_p); + clear_busy_pool_carrier(used_allctr, busy_pcrr_p); +#ifdef ERTS_SMP + if (!res && !retried && ERTS_ALCU_HANDLE_DD_IN_OP(pref_allctr, 1)) { + /* Cleaned up a bit more; try one more time... */ + retried = 1; + goto restart; + } +#endif + if (pref_allctr->thread_safe) + erts_mtx_unlock(&pref_allctr->mutex); } else { - if (pref_allctr->thread_safe) - erts_mtx_lock(&pref_allctr->mutex); res = do_erts_alcu_alloc(type, pref_allctr, size); - if (pref_allctr->thread_safe && used_allctr != pref_allctr) { - erts_mtx_unlock(&pref_allctr->mutex); - } - if (res) { - DEBUG_CHECK_ALIGNMENT(res); + if (!res) + goto unlock_ts_return; + else { - sys_memcpy(res, p, MIN(size,old_user_size)); + DEBUG_CHECK_ALIGNMENT(res); if (used_allctr != pref_allctr) { + if (pref_allctr->thread_safe) + erts_mtx_unlock(&pref_allctr->mutex); + + sys_memcpy(res, p, MIN(size, old_user_size)); + enqueue_dealloc_other_instance(type, used_allctr, p, @@ -4318,8 +5183,14 @@ realloc_thr_pref(ErtsAlcType_t type, void *extra, void *p, Uint size, - pref_allctr->dd.ix)); } else { - do_erts_alcu_free(type, used_allctr, p); + + sys_memcpy(res, p, MIN(size, old_user_size)); + + do_erts_alcu_free(type, used_allctr, p, &busy_pcrr_p); ASSERT(pref_allctr == used_allctr); + clear_busy_pool_carrier(used_allctr, busy_pcrr_p); + + unlock_ts_return: if (pref_allctr->thread_safe) erts_mtx_unlock(&pref_allctr->mutex); } @@ -4437,13 +5308,13 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init) allctr->cpool.dc_list.first = NULL; allctr->cpool.dc_list.last = NULL; allctr->cpool.abandon_limit = 0; - allctr->cpool.insert_allowed_cc = 0; + allctr->cpool.disable_abandon = 0; erts_atomic_init_nob(&allctr->cpool.stat.blocks_size, 0); erts_atomic_init_nob(&allctr->cpool.stat.no_blocks, 0); erts_atomic_init_nob(&allctr->cpool.stat.carriers_size, 0); erts_atomic_init_nob(&allctr->cpool.stat.no_carriers, 0); - allctr->cpool.check_limit_count = 0; - allctr->cpool.util_limit = 0; + allctr->cpool.check_limit_count = ERTS_ALC_CPOOL_CHECK_LIMIT_COUNT; + allctr->cpool.util_limit = init->acul; #endif allctr->sbc_threshold = init->sbct; @@ -4519,6 +5390,7 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init) allctr->main_carrier_size, CFLG_MBC | CFLG_FORCE_SIZE + | CFLG_NO_CPOOL #if !HALFWORD_HEAP && !HAVE_SUPER_ALIGNED_MB_CARRIERS | CFLG_FORCE_SYS_ALLOC #endif @@ -4537,16 +5409,24 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init) allctr->fix = init->fix; allctr->fix_shrink_scheduled = 0; for (i = 0; i < ERTS_ALC_NO_FIXED_SIZES; i++) { - allctr->fix[i].max_used = 0; - allctr->fix[i].limit = 0; allctr->fix[i].type_size = init->fix_type_size[i]; allctr->fix[i].list_size = 0; allctr->fix[i].list = NULL; - allctr->fix[i].allocated = 0; - allctr->fix[i].used = 0; #ifdef ERTS_SMP ASSERT(allctr->fix[i].type_size >= sizeof(ErtsAllctrFixDDBlock_t)); #endif + if (ERTS_ALC_IS_CPOOL_ENABLED(allctr)) { + allctr->fix[i].u.cpool.min_list_size = 0; + allctr->fix[i].u.cpool.shrink_list = 0; + allctr->fix[i].u.cpool.allocated = 0; + allctr->fix[i].u.cpool.used = 0; + } + else { + allctr->fix[i].u.nocpool.max_used = 0; + allctr->fix[i].u.nocpool.limit = 0; + allctr->fix[i].u.nocpool.allocated = 0; + allctr->fix[i].u.nocpool.used = 0; + } } } @@ -4571,9 +5451,9 @@ erts_alcu_stop(Allctr_t *allctr) allctr->stopped = 1; while (allctr->sbc_list.first) - destroy_carrier(allctr, SBC2BLK(allctr, allctr->sbc_list.first)); + destroy_carrier(allctr, SBC2BLK(allctr, allctr->sbc_list.first), NULL); while (allctr->mbc_list.first) - destroy_carrier(allctr, MBC_TO_FIRST_BLK(allctr, allctr->mbc_list.first)); + destroy_carrier(allctr, MBC_TO_FIRST_BLK(allctr, allctr->mbc_list.first), NULL); #ifdef USE_THREADS if (allctr->thread_safe) diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h index 14fe289f7f..5e52b9b733 100644 --- a/erts/emulator/beam/erl_alloc_util.h +++ b/erts/emulator/beam/erl_alloc_util.h @@ -55,6 +55,7 @@ typedef struct { UWord lmbcs; UWord smbcs; UWord mbcgs; + int acul; void *fix; size_t *fix_type_size; @@ -98,6 +99,7 @@ typedef struct { 10*1024*1024, /* (bytes) lmbcs: largest mbc size */\ 1024*1024, /* (bytes) smbcs: smallest mbc size */\ 10, /* (amount) mbcgs: mbc growth stages */\ + 0, /* (%) acul: abandon carrier utilization limit */\ /* --- Data not options -------------------------------------------- */\ NULL, /* (ptr) fix */\ NULL /* (ptr) fix_type_size */\ @@ -130,6 +132,7 @@ typedef struct { 1024*1024, /* (bytes) lmbcs: largest mbc size */\ 128*1024, /* (bytes) smbcs: smallest mbc size */\ 10, /* (amount) mbcgs: mbc growth stages */\ + 0, /* (%) acul: abandon carrier utilization limit */\ /* --- Data not options -------------------------------------------- */\ NULL, /* (ptr) fix */\ NULL /* (ptr) fix_type_size */\ @@ -159,8 +162,8 @@ void erts_alcu_free_thr_pref(ErtsAlcType_t, void *, void *); #endif Eterm erts_alcu_au_info_options(int *, void *, Uint **, Uint *); Eterm erts_alcu_info_options(Allctr_t *, int *, void *, Uint **, Uint *); -Eterm erts_alcu_sz_info(Allctr_t *, int, int *, void *, Uint **, Uint *); -Eterm erts_alcu_info(Allctr_t *, int, int *, void *, Uint **, Uint *); +Eterm erts_alcu_sz_info(Allctr_t *, int, int, int *, void *, Uint **, Uint *); +Eterm erts_alcu_info(Allctr_t *, int, int, int *, void *, Uint **, Uint *); void erts_alcu_init(AlcUInit_t *); void erts_alcu_current_size(Allctr_t *, AllctrSize_t *, ErtsAlcUFixInfo_t *, int); @@ -256,10 +259,10 @@ typedef union {char c[ERTS_ALLOC_ALIGN_BYTES]; long l; double d;} Unit_t; typedef struct { erts_atomic_t next; erts_atomic_t prev; + Allctr_t *orig_allctr; ErtsThrPrgrVal thr_prgr; erts_atomic_t max_size; UWord abandon_limit; - /* Statistics */ UWord blocks; UWord blocks_size; } ErtsAlcCPoolData_t; @@ -277,6 +280,9 @@ struct Carrier_t_ { #endif }; +#define ERTS_ALC_CARRIER_TO_ALLCTR(C) \ + ((Allctr_t *) (erts_smp_atomic_read_nob(&(C)->allctr) & ~FLG_MASK)) + typedef struct { Carrier_t *first; Carrier_t *last; @@ -301,6 +307,16 @@ typedef struct { #define SBC_BLK_HDR_FLG /* Special flag combo for (allocated) SBC blocks */\ (THIS_FREE_BLK_HDR_FLG | PREV_FREE_BLK_HDR_FLG | LAST_BLK_HDR_FLG) +/* + * FREE_LAST_MBC_BLK_HDR_FLGS is a special flag combo used for + * distinguishing empty mbc's from allocated blocks in + * handle_delayed_dealloc(). + */ +#define FREE_LAST_MBC_BLK_HDR_FLGS (THIS_FREE_BLK_HDR_FLG | LAST_BLK_HDR_FLG) + +#define IS_FREE_LAST_MBC_BLK(B) \ + (((B)->bhdr & FLG_MASK) == FREE_LAST_MBC_BLK_HDR_FLGS) + #define IS_SBC_BLK(B) (((B)->bhdr & FLG_MASK) == SBC_BLK_HDR_FLG) #define IS_MBC_BLK(B) (!IS_SBC_BLK((B))) #define IS_FREE_BLK(B) (ASSERT(IS_MBC_BLK(B)), \ @@ -395,10 +411,20 @@ typedef struct { size_t type_size; SWord list_size; void *list; - SWord max_used; - SWord limit; - SWord allocated; - SWord used; + union { + struct { + SWord max_used; + SWord limit; + SWord allocated; + SWord used; + } nocpool; + struct { + int min_list_size; + int shrink_list; + UWord allocated; + UWord used; + } cpool; + } u; } ErtsAlcFixList_t; struct Allctr_t_ { @@ -464,7 +490,7 @@ struct Allctr_t_ { struct { CarrierList_t dc_list; UWord abandon_limit; - CallCounter_t insert_allowed_cc; + int disable_abandon; int check_limit_count; int util_limit; struct { diff --git a/erts/emulator/beam/erl_ao_firstfit_alloc.c b/erts/emulator/beam/erl_ao_firstfit_alloc.c index 3bb0bf146e..953569f437 100644 --- a/erts/emulator/beam/erl_ao_firstfit_alloc.c +++ b/erts/emulator/beam/erl_ao_firstfit_alloc.c @@ -664,7 +664,7 @@ aoff_link_free_block(Allctr_t *allctr, Block_t *block) AOFF_Carrier_t *blk_crr = (AOFF_Carrier_t*) FBLK_TO_MBC(block); Uint blk_sz = AOFF_BLK_SZ(blk); - ASSERT(allctr == blk_crr->crr.allctr); + ASSERT(allctr == ERTS_ALC_CARRIER_TO_ALLCTR(&blk_crr->crr)); ASSERT(blk_crr->rbt_node.hdr.bhdr == (blk_crr->root ? blk_crr->root->max_sz : 0)); HARD_CHECK_IS_MEMBER(alc->mbc_root, &blk_crr->rbt_node); HARD_CHECK_TREE(&blk_crr->crr, alc->bf_within_carrier, blk_crr->root, 0); @@ -854,7 +854,7 @@ static void aoff_remove_mbc(Allctr_t *allctr, Carrier_t *carrier) AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier; AOFF_RBTree_t **root = &alc->mbc_root; - ASSERT(allctr == carrier->allctr); + ASSERT(allctr == ERTS_ALC_CARRIER_TO_ALLCTR(carrier)); HARD_CHECK_TREE(NULL, 0, *root, 0); rbt_delete(root, &crr->rbt_node); @@ -870,7 +870,7 @@ static UWord aoff_largest_fblk_in_mbc(Allctr_t* allctr, Carrier_t* carrier) { AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier; - ASSERT(allctr == carrier->allctr); + ASSERT(allctr == ERTS_ALC_CARRIER_TO_ALLCTR(carrier)); ASSERT(crr->rbt_node.hdr.bhdr == (crr->root ? crr->root->max_sz : 0)); return crr->rbt_node.hdr.bhdr; } diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index 1744afbae1..74a37f374d 100755 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -1671,13 +1671,22 @@ info_1_tuple(Process* BIF_P, /* Pointer to current process. */ sel = *tp++; - if (sel == am_allocator_sizes) { + if (sel == am_memory_internal) { + switch (arity) { + case 3: + if (erts_request_alloc_info(BIF_P, tp[0], tp[1], 1, 1)) + return am_true; + default: + goto badarg; + } + } + else if (sel == am_allocator_sizes) { switch (arity) { case 2: ERTS_BIF_PREP_TRAP1(ret, alloc_sizes_trap, BIF_P, *tp); return ret; case 3: - if (erts_request_alloc_info(BIF_P, tp[0], tp[1], 1)) + if (erts_request_alloc_info(BIF_P, tp[0], tp[1], 1, 0)) return am_true; default: goto badarg; @@ -1736,7 +1745,7 @@ info_1_tuple(Process* BIF_P, /* Pointer to current process. */ ERTS_BIF_PREP_TRAP1(ret, alloc_info_trap, BIF_P, *tp); return ret; case 3: - if (erts_request_alloc_info(BIF_P, tp[0], tp[1], 0)) + if (erts_request_alloc_info(BIF_P, tp[0], tp[1], 0, 0)) return am_true; default: goto badarg; diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index 81799ddbb1..88eb224f84 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -1327,6 +1327,17 @@ erts_alloc_notify_delayed_dealloc(int ix) ERTS_SSI_AUX_WORK_DD); } +void +erts_alloc_ensure_handle_delayed_dealloc_call(int ix) +{ +#ifdef DEBUG + ErtsSchedulerData *esdp = erts_get_scheduler_data(); + ASSERT(!esdp || ix == (int) esdp->no); +#endif + set_aux_work_flags_wakeup_nob(ERTS_SCHED_SLEEP_INFO_IX(ix-1), + ERTS_SSI_AUX_WORK_DD); +} + static ERTS_INLINE erts_aint32_t handle_delayed_dealloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting) { diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index 7dd8116857..865ac6c43f 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -1340,6 +1340,7 @@ int erts_is_multi_scheduling_blocked(void); Eterm erts_multi_scheduling_blockers(Process *); void erts_start_schedulers(void); void erts_alloc_notify_delayed_dealloc(int); +void erts_alloc_ensure_handle_delayed_dealloc_call(int); void erts_smp_notify_check_children_needed(void); #endif #if ERTS_USE_ASYNC_READY_Q diff --git a/erts/etc/common/erlexec.c b/erts/etc/common/erlexec.c index aaaeb0eaa8..01134dd718 100644 --- a/erts/etc/common/erlexec.c +++ b/erts/etc/common/erlexec.c @@ -79,6 +79,7 @@ static const char plusM_au_allocs[]= { static char *plusM_au_alloc_switches[] = { "as", "asbcst", + "acul", "e", "t", "lmbcs", diff --git a/erts/preloaded/ebin/erlang.beam b/erts/preloaded/ebin/erlang.beam index a792d667c8..cfbe777633 100644 Binary files a/erts/preloaded/ebin/erlang.beam and b/erts/preloaded/ebin/erlang.beam differ diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl index 3186ce6e4c..27dfeac4d6 100644 --- a/erts/preloaded/src/erlang.erl +++ b/erts/preloaded/src/erlang.erl @@ -3305,6 +3305,9 @@ get_fix_proc([], Acc) -> fix_proc([{fix_types, SizeList} | _Rest], Acc) -> get_fix_proc(SizeList, Acc); +fix_proc([{fix_types, Mask, SizeList} | _Rest], Acc) -> + {A, U} = get_fix_proc(SizeList, Acc), + {Mask, A, U}; fix_proc([_ | Rest], Acc) -> fix_proc(Rest, Acc); fix_proc([], Acc) -> @@ -3356,13 +3359,21 @@ au_mem_data(#memory{total = Tot, processes_used = ProcU, system = Sys} = Mem, [{fix_alloc, _, Data} | Rest]) -> - {A, U} = fix_proc(Data, {0, 0}), Sz = blocks_size(Data, 0), - au_mem_data(Mem#memory{total = Tot+Sz, - processes = Proc+A, - processes_used = ProcU+U, - system = Sys+Sz-A}, - Rest); + case fix_proc(Data, {0, 0}) of + {A, U} -> + au_mem_data(Mem#memory{total = Tot+Sz, + processes = Proc+A, + processes_used = ProcU+U, + system = Sys+Sz-A}, + Rest); + {Mask, A, U} -> + au_mem_data(Mem#memory{total = Tot+Sz, + processes = Mask band (Proc+A), + processes_used = Mask band (ProcU+U), + system = Mask band (Sys+Sz-A)}, + Rest) + end; au_mem_data(#memory{total = Tot, system = Sys, low = Low} = Mem, @@ -3380,7 +3391,7 @@ au_mem_data(EMD, []) -> au_mem_data(Allocs) -> Ref = erlang:make_ref(), - erlang:system_info({allocator_sizes, Ref, Allocs}), + erlang:system_info({memory_internal, Ref, Allocs}), receive_emd(Ref). receive_emd(_Ref, EMD, 0) -> -- cgit v1.2.3 From 0a7f84365504a86ee622accdef080ad1b6f9ab45 Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Mon, 3 Jun 2013 14:19:20 +0200 Subject: erts: Carrier pool information in allocator information That is, include information about carrier pool in result returned from erlang:system_info({allocator,allocator_sizes, _}). --- erts/emulator/beam/erl_alloc_util.c | 162 ++++++++++++++++++++++++++++- erts/emulator/beam/erl_ao_firstfit_alloc.c | 8 +- erts/preloaded/ebin/erlang.beam | Bin 93976 -> 94140 bytes erts/preloaded/src/erlang.erl | 5 + 4 files changed, 170 insertions(+), 5 deletions(-) (limited to 'erts') diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index a52298c759..b19e603a5f 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -2545,6 +2545,7 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs, #define ERTS_ALC_CPOOL_CHECK_LIMIT_COUNT 100 #define ERTS_ALC_CPOOL_MAX_NO_CARRIERS 5 #define ERTS_ALC_CPOOL_INSERT_ALLOWED_OFFSET 100 +#define ERTS_ALC_CPOOL_MAX_FAILED_STAT_READS 3 #define ERTS_ALC_CPOOL_PTR_MOD_MRK (((erts_aint_t) 1) << 0) #define ERTS_ALC_CPOOL_PTR_DEL_MRK (((erts_aint_t) 1) << 1) @@ -3118,6 +3119,52 @@ abandon_carrier(Allctr_t *allctr, Carrier_t *crr) set_new_allctr_abandon_limit(allctr); } +static void +cpool_read_stat(Allctr_t *allctr, UWord *nocp, UWord *cszp, UWord *nobp, UWord *bszp) +{ + int i; + UWord noc = 0, csz = 0, nob = 0, bsz = 0; + + /* + * We try to get consistent values, but after + * ERTS_ALC_CPOOL_MAX_FAILED_STAT_READS failed + * tries we give up and present what we got... + */ + for (i = 0; i <= ERTS_ALC_CPOOL_MAX_FAILED_STAT_READS; i++) { + UWord tnoc, tcsz, tnob, tbsz; + + tnoc = (UWord) (nocp + ? erts_atomic_read_nob(&allctr->cpool.stat.no_carriers) + : 0); + tcsz = (UWord) (cszp + ? erts_atomic_read_nob(&allctr->cpool.stat.carriers_size) + : 0); + tnob = (UWord) (nobp + ? erts_atomic_read_nob(&allctr->cpool.stat.no_blocks) + : 0); + tbsz = (UWord) (bszp + ? erts_atomic_read_nob(&allctr->cpool.stat.blocks_size) + : 0); + if (tnoc == noc && tcsz == csz && tnob == nob && tbsz == bsz) + break; + noc = tnoc; + csz = tcsz; + nob = tnob; + bsz = tbsz; + ERTS_THR_READ_MEMORY_BARRIER; + } + + if (nocp) + *nocp = noc; + if (cszp) + *cszp = csz; + if (nobp) + *nobp = nob; + if (bszp) + *bszp = bsz; +} + + #endif /* ERTS_SMP */ #ifdef DEBUG @@ -3606,6 +3653,7 @@ static struct { Eterm lmbcs; Eterm smbcs; Eterm mbcgs; + Eterm acul; #if HAVE_ERTS_MSEG Eterm mmc; @@ -3615,6 +3663,9 @@ static struct { Eterm fix_types; Eterm mbcs; +#ifdef ERTS_SMP + Eterm mbcs_pool; +#endif Eterm sbcs; Eterm sys_alloc_carriers_size; @@ -3694,6 +3745,7 @@ init_atoms(Allctr_t *allctr) AM_INIT(lmbcs); AM_INIT(smbcs); AM_INIT(mbcgs); + AM_INIT(acul); #if HAVE_ERTS_MSEG AM_INIT(mmc); @@ -3703,6 +3755,9 @@ init_atoms(Allctr_t *allctr) AM_INIT(fix_types); AM_INIT(mbcs); +#ifdef ERTS_SMP + AM_INIT(mbcs_pool); +#endif AM_INIT(sbcs); AM_INIT(sys_alloc_carriers_size); @@ -3952,6 +4007,62 @@ sz_info_carriers(Allctr_t *allctr, return res; } +#ifdef ERTS_SMP + +static Eterm +info_cpool(Allctr_t *allctr, + int sz_only, + char *prefix, + int *print_to_p, + void *print_to_arg, + Uint **hpp, + Uint *szp) +{ + Eterm res = THE_NON_VALUE; + UWord noc, csz, nob, bsz; + + noc = csz = nob = bsz = ~0; + if (print_to_p || hpp) { + if (sz_only) + cpool_read_stat(allctr, NULL, &csz, NULL, &bsz); + else + cpool_read_stat(allctr, &noc, &csz, &nob, &bsz); + } + + if (print_to_p) { + int to = *print_to_p; + void *arg = print_to_arg; + if (!sz_only) + erts_print(to, arg, "%sblocks: %bpu\n", prefix, nob); + erts_print(to, arg, "%sblocks size: %bpu\n", prefix, bsz); + if (!sz_only) + erts_print(to, arg, "%scarriers: %bpu\n", prefix, noc); + erts_print(to, arg, "%scarriers size: %bpu\n", prefix, csz); + } + + if (hpp || szp) { + res = NIL; + add_2tup(hpp, szp, &res, + am.carriers_size, + bld_unstable_uint(hpp, szp, csz)); + if (!sz_only) + add_2tup(hpp, szp, &res, + am.carriers, + bld_unstable_uint(hpp, szp, noc)); + add_2tup(hpp, szp, &res, + am.blocks_size, + bld_unstable_uint(hpp, szp, bsz)); + if (!sz_only) + add_2tup(hpp, szp, &res, + am.blocks, + bld_unstable_uint(hpp, szp, nob)); + } + + return res; +} + +#endif /* ERTS_SMP */ + static Eterm info_carriers(Allctr_t *allctr, CarriersStats_t *cs, @@ -4193,6 +4304,7 @@ info_options(Allctr_t *allctr, Uint *szp) { Eterm res = THE_NON_VALUE; + int acul; if (!allctr) { if (print_to_p) @@ -4204,6 +4316,12 @@ info_options(Allctr_t *allctr, return res; } +#ifdef ERTS_SMP + acul = allctr->cpool.util_limit; +#else + acul = 0; +#endif + if (print_to_p) { char topt[21]; /* Enough for any 64-bit integer */ if (allctr->t) @@ -4233,6 +4351,7 @@ info_options(Allctr_t *allctr, "option lmbcs: %beu\n" "option smbcs: %beu\n" "option mbcgs: %beu\n", + "option acul: %d\n", topt, allctr->ramv ? "true" : "false", #if HALFWORD_HEAP @@ -4252,13 +4371,17 @@ info_options(Allctr_t *allctr, #endif allctr->largest_mbc_size, allctr->smallest_mbc_size, - allctr->mbc_growth_stages); + allctr->mbc_growth_stages, + acul); } res = (*allctr->info_options)(allctr, "option ", print_to_p, print_to_arg, hpp, szp); if (hpp || szp) { + add_2tup(hpp, szp, &res, + am.acul, + bld_uint(hpp, szp, (UWord) acul)); add_2tup(hpp, szp, &res, am.mbcgs, bld_uint(hpp, szp, allctr->mbc_growth_stages)); @@ -4412,6 +4535,9 @@ erts_alcu_sz_info(Allctr_t *allctr, Uint *szp) { Eterm res, mbcs, sbcs, fix = THE_NON_VALUE; +#ifdef ERTS_SMP + Eterm mbcs_pool; +#endif res = THE_NON_VALUE; @@ -4447,12 +4573,23 @@ erts_alcu_sz_info(Allctr_t *allctr, fix = sz_info_fix(allctr, internal, print_to_p, print_to_arg, hpp, szp); mbcs = sz_info_carriers(allctr, &allctr->mbcs, "mbcs ", print_to_p, print_to_arg, hpp, szp); +#ifdef ERTS_SMP + if (ERTS_ALC_IS_CPOOL_ENABLED(allctr)) + mbcs_pool = info_cpool(allctr, 1, "mbcs_pool ", print_to_p, + print_to_arg, hpp, szp); + else + mbcs_pool = THE_NON_VALUE; /* shut up annoying warning... */ +#endif sbcs = sz_info_carriers(allctr, &allctr->sbcs, "sbcs ", print_to_p, print_to_arg, hpp, szp); if (hpp || szp) { res = NIL; add_2tup(hpp, szp, &res, am.sbcs, sbcs); +#ifdef ERTS_SMP + if (ERTS_ALC_IS_CPOOL_ENABLED(allctr)) + add_2tup(hpp, szp, &res, am.mbcs_pool, mbcs_pool); +#endif add_2tup(hpp, szp, &res, am.mbcs, mbcs); add_fix_types(allctr, internal, hpp, szp, &res, fix); } @@ -4484,6 +4621,9 @@ erts_alcu_info(Allctr_t *allctr, Uint *szp) { Eterm res, sett, mbcs, sbcs, calls, fix = THE_NON_VALUE; +#ifdef ERTS_SMP + Eterm mbcs_pool; +#endif res = THE_NON_VALUE; @@ -4528,6 +4668,13 @@ erts_alcu_info(Allctr_t *allctr, fix = sz_info_fix(allctr, internal, print_to_p, print_to_arg, hpp, szp); mbcs = info_carriers(allctr, &allctr->mbcs, "mbcs ", print_to_p, print_to_arg, hpp, szp); +#ifdef ERTS_SMP + if (ERTS_ALC_IS_CPOOL_ENABLED(allctr)) + mbcs_pool = info_cpool(allctr, 0, "mbcs_pool ", print_to_p, + print_to_arg, hpp, szp); + else + mbcs_pool = THE_NON_VALUE; /* shut up annoying warning... */ +#endif sbcs = info_carriers(allctr, &allctr->sbcs, "sbcs ", print_to_p, print_to_arg, hpp, szp); calls = info_calls(allctr, print_to_p, print_to_arg, hpp, szp); @@ -4537,6 +4684,10 @@ erts_alcu_info(Allctr_t *allctr, add_2tup(hpp, szp, &res, am.calls, calls); add_2tup(hpp, szp, &res, am.sbcs, sbcs); +#ifdef ERTS_SMP + if (ERTS_ALC_IS_CPOOL_ENABLED(allctr)) + add_2tup(hpp, szp, &res, am.mbcs_pool, mbcs_pool); +#endif add_2tup(hpp, szp, &res, am.mbcs, mbcs); add_fix_types(allctr, internal, hpp, szp, &res, fix); add_2tup(hpp, szp, &res, am.options, sett); @@ -4580,6 +4731,15 @@ erts_alcu_current_size(Allctr_t *allctr, AllctrSize_t *size, ErtsAlcUFixInfo_t * size->blocks = allctr->mbcs.blocks.curr.size; size->blocks += allctr->sbcs.blocks.curr.size; +#ifdef ERTS_SMP + if (ERTS_ALC_IS_CPOOL_ENABLED(allctr)) { + UWord csz, bsz; + cpool_read_stat(allctr, NULL, &csz, NULL, &bsz); + size->blocks += bsz; + size->carriers += csz; + } +#endif + if (fi) { int ix; for (ix = 0; ix < fisz; ix++) { diff --git a/erts/emulator/beam/erl_ao_firstfit_alloc.c b/erts/emulator/beam/erl_ao_firstfit_alloc.c index 953569f437..f73ac2eb6e 100644 --- a/erts/emulator/beam/erl_ao_firstfit_alloc.c +++ b/erts/emulator/beam/erl_ao_firstfit_alloc.c @@ -882,7 +882,7 @@ static UWord aoff_largest_fblk_in_mbc(Allctr_t* allctr, Carrier_t* carrier) static struct { Eterm as; Eterm aoff; - Eterm aoffcbf; + Eterm aoffcaobf; #ifdef DEBUG Eterm end_of_atoms; #endif @@ -911,7 +911,7 @@ init_atoms(void) #endif AM_INIT(as); AM_INIT(aoff); - AM_INIT(aoffcbf); + AM_INIT(aoffcaobf); #ifdef DEBUG for (atom = (Eterm *) &am; atom < &am.end_of_atoms; atom++) { @@ -949,7 +949,7 @@ info_options(Allctr_t *allctr, print_to_arg, "%sas: %s\n", prefix, - alc->bf_within_carrier ? "aoffcbf" : "aoff"); + alc->bf_within_carrier ? "aoffcaobf" : "aoff"); } if (hpp || szp) { @@ -960,7 +960,7 @@ info_options(Allctr_t *allctr, res = NIL; add_2tup(hpp, szp, &res, am.as, - alc->bf_within_carrier ? am.aoffcbf : am.aoff); + alc->bf_within_carrier ? am.aoffcaobf : am.aoff); } return res; diff --git a/erts/preloaded/ebin/erlang.beam b/erts/preloaded/ebin/erlang.beam index cfbe777633..947fbe7c24 100644 Binary files a/erts/preloaded/ebin/erlang.beam and b/erts/preloaded/ebin/erlang.beam differ diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl index 27dfeac4d6..a8a4425b63 100644 --- a/erts/preloaded/src/erlang.erl +++ b/erts/preloaded/src/erlang.erl @@ -3282,10 +3282,15 @@ get_blocks_size([{blocks_size, Sz, _, _} | Rest], Acc) -> get_blocks_size(Rest, Acc+Sz); get_blocks_size([{_, _, _, _} | Rest], Acc) -> get_blocks_size(Rest, Acc); +get_blocks_size([{blocks_size, Sz} | Rest], Acc) -> + get_blocks_size(Rest, Acc+Sz); +get_blocks_size([{_, _} | Rest], Acc) -> + get_blocks_size(Rest, Acc); get_blocks_size([], Acc) -> Acc. blocks_size([{Carriers, SizeList} | Rest], Acc) when Carriers == mbcs; + Carriers == mbcs_pool; Carriers == sbcs -> blocks_size(Rest, get_blocks_size(SizeList, Acc)); blocks_size([_ | Rest], Acc) -> -- cgit v1.2.3 From f91c381afa2ebed6e37b49b4cc3f81bb9ca9e3eb Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Tue, 28 May 2013 11:32:50 +0200 Subject: erts: Document the +Macul command line argument --- erts/doc/src/erts_alloc.xml | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) (limited to 'erts') diff --git a/erts/doc/src/erts_alloc.xml b/erts/doc/src/erts_alloc.xml index f79241d692..2ffb55c6ab 100644 --- a/erts/doc/src/erts_alloc.xml +++ b/erts/doc/src/erts_alloc.xml @@ -309,6 +309,37 @@ subsystem identifier, only the specific allocator identified will be effected:

+ acul |de]]> + + Abandon carrier utilization limit. A valid + ]]> is an integer in the range + [0, 100] representing utilization in percent. When a + utilization value larger than zero is used, allocator instances + are allowed to abandon multiblock carriers. Currently the default + is zero. If de (default enabled) is passed instead of a + ]]>, a recomended non zero utilization + value will be used. The actual value chosen depend on allocator + type and may be changed between ERTS versions. Carriers will be + abandoned when memory utilization in the allocator instance falls + below the utilization value used. Once a carrier has been abandoned, + no new allocations will be made in it. When an allocator instance + gets an increased multiblock carrier need, it will first try to + fetch an abandoned carrier from an allocator instances of the same + allocator type. If no abandoned carrier could be fetched, it will + create a new empty carrier. When an abandoned carrier has been + fetched it will function as an ordinary carrier. This feature has + special requirements on the + allocation strategy used. Currently + only the aoff and the aoffcaobf strategies support + abandoned carriers. This feature also requires + multiple thread specific instances + to be enabled. When enabling this feature, multiple thread specific + instances will be enabled if not already enabled, and the + aoffcaobf strategy will be enabled if current strategy does not + support abandoned carriers. This feature can be enabled on all + allocators based on the alloc_util framework with the + exception of temp_alloc (which would be pointless). + as bf|aobf|aoff|aoffcaobf|gf|af]]> Allocation strategy. Valid strategies are bf (best fit), -- cgit v1.2.3