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