diff options
Diffstat (limited to 'erts')
-rw-r--r-- | erts/aclocal.m4 | 15 | ||||
-rw-r--r-- | erts/emulator/beam/copy.c | 4 | ||||
-rw-r--r-- | erts/emulator/beam/erl_binary.h | 18 | ||||
-rw-r--r-- | erts/emulator/beam/erl_bits.h | 17 | ||||
-rw-r--r-- | erts/emulator/beam/erl_gc.c | 81 | ||||
-rw-r--r-- | erts/emulator/beam/erl_gc.h | 95 | ||||
-rw-r--r-- | erts/emulator/hipe/hipe_gc.c | 16 |
7 files changed, 157 insertions, 89 deletions
diff --git a/erts/aclocal.m4 b/erts/aclocal.m4 index 5ea4c2ccf3..80bf236188 100644 --- a/erts/aclocal.m4 +++ b/erts/aclocal.m4 @@ -1524,6 +1524,13 @@ ETHR_LIB_NAME= ethr_modified_default_stack_size= +AC_ARG_WITH(threadnames, +AS_HELP_STRING([--with-threadnames], [use pthread_setname to set the thread names (default)]) +AS_HELP_STRING([--without-threadnames], + [do not set any thread names]), +[], +[with_threadnames=yes]) + dnl Name of lib where ethread implementation is located ethr_lib_name=ethread @@ -1914,12 +1921,12 @@ case "$THR_LIB_NAME" in [pthread_setname_np("name");], pthread_setname=darwin) AC_MSG_RESULT([$pthread_setname]) - case $pthread_setname in - linux) AC_DEFINE(ETHR_HAVE_PTHREAD_SETNAME_NP_2, 1, + case $with_threadnames-$pthread_setname in + yes-linux) AC_DEFINE(ETHR_HAVE_PTHREAD_SETNAME_NP_2, 1, [Define if you have linux style pthread_setname_np]);; - bsd) AC_DEFINE(ETHR_HAVE_PTHREAD_SET_NAME_NP_2, 1, + yes-bsd) AC_DEFINE(ETHR_HAVE_PTHREAD_SET_NAME_NP_2, 1, [Define if you have bsd style pthread_set_name_np]);; - darwin) AC_DEFINE(ETHR_HAVE_PTHREAD_SETNAME_NP_1, 1, + yes-darwin) AC_DEFINE(ETHR_HAVE_PTHREAD_SETNAME_NP_1, 1, [Define if you have darwin style pthread_setname_np]);; *) ;; esac diff --git a/erts/emulator/beam/copy.c b/erts/emulator/beam/copy.c index 85db23393c..e567eabc82 100644 --- a/erts/emulator/beam/copy.c +++ b/erts/emulator/beam/copy.c @@ -1990,7 +1990,7 @@ move_one_frag(Eterm** hpp, ErlHeapFragment* frag, ErlOffHeap* off_heap, int lite if (is_header(val)) { struct erl_off_heap_header* hdr = (struct erl_off_heap_header*)hp; ASSERT(ptr + header_arity(val) < end); - MOVE_BOXED(ptr, val, hp, &dummy_ref); + move_boxed(&ptr, val, &hp, &dummy_ref); switch (val & _HEADER_SUBTAG_MASK) { case REF_SUBTAG: if (is_ordinary_ref_thing(hdr)) @@ -2007,7 +2007,7 @@ move_one_frag(Eterm** hpp, ErlHeapFragment* frag, ErlOffHeap* off_heap, int lite } else { /* must be a cons cell */ ASSERT(ptr+1 < end); - MOVE_CONS(ptr, val, hp, &dummy_ref); + move_cons(&ptr, val, &hp, &dummy_ref); ptr += 2; } } diff --git a/erts/emulator/beam/erl_binary.h b/erts/emulator/beam/erl_binary.h index 946d3cfe03..6ff71ec6d1 100644 --- a/erts/emulator/beam/erl_binary.h +++ b/erts/emulator/beam/erl_binary.h @@ -156,6 +156,7 @@ typedef union { #include "erl_threads.h" #include "bif.h" #include "erl_bif_unique.h" +#include "erl_bits.h" /* * Maximum number of bytes to place in a heap binary. @@ -163,23 +164,6 @@ typedef union { #define ERL_ONHEAP_BIN_LIMIT 64 -/* - * This structure represents a SUB_BINARY. - * - * Note: The last field (orig) is not counted in arityval in the header. - * This simplifies garbage collection. - */ - -typedef struct erl_sub_bin { - Eterm thing_word; /* Subtag SUB_BINARY_SUBTAG. */ - Uint size; /* Binary size in bytes. */ - Uint offs; /* Offset into original binary. */ - byte bitsize; - byte bitoffs; - byte is_writable; /* The underlying binary is writable */ - Eterm orig; /* Original binary (REFC or HEAP binary). */ -} ErlSubBin; - #define ERL_SUB_BIN_SIZE (sizeof(ErlSubBin)/sizeof(Eterm)) #define HEADER_SUB_BIN _make_header(ERL_SUB_BIN_SIZE-2,_TAG_HEADER_SUB_BIN) diff --git a/erts/emulator/beam/erl_bits.h b/erts/emulator/beam/erl_bits.h index 4bd5b24157..1b4546722f 100644 --- a/erts/emulator/beam/erl_bits.h +++ b/erts/emulator/beam/erl_bits.h @@ -22,6 +22,23 @@ #define __ERL_BITS_H__ /* + * This structure represents a SUB_BINARY. + * + * Note: The last field (orig) is not counted in arityval in the header. + * This simplifies garbage collection. + */ + +typedef struct erl_sub_bin { + Eterm thing_word; /* Subtag SUB_BINARY_SUBTAG. */ + Uint size; /* Binary size in bytes. */ + Uint offs; /* Offset into original binary. */ + byte bitsize; + byte bitoffs; + byte is_writable; /* The underlying binary is writable */ + Eterm orig; /* Original binary (REFC or HEAP binary). */ +} ErlSubBin; + +/* * This structure represents a binary to be matched. */ diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index 8cc7fc0142..50805d9cd9 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -1173,7 +1173,7 @@ erts_garbage_collect_literals(Process* p, Eterm* literals, ASSERT(is_boxed(val)); *g_ptr++ = val; } else if (ErtsInArea(ptr, area, area_size)) { - MOVE_BOXED(ptr,val,old_htop,g_ptr++); + move_boxed(&ptr,val,&old_htop,g_ptr++); } else { g_ptr++; } @@ -1184,7 +1184,7 @@ erts_garbage_collect_literals(Process* p, Eterm* literals, if (IS_MOVED_CONS(val)) { /* Moved */ *g_ptr++ = ptr[1]; } else if (ErtsInArea(ptr, area, area_size)) { - MOVE_CONS(ptr,val,old_htop,g_ptr++); + move_cons(&ptr,val,&old_htop,g_ptr++); } else { g_ptr++; } @@ -1479,9 +1479,9 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end, ASSERT(is_boxed(val)); *g_ptr++ = val; } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_BOXED(ptr,val,old_htop,g_ptr++); + move_boxed(&ptr,val,&old_htop,g_ptr++); } else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) { - MOVE_BOXED(ptr,val,n_htop,g_ptr++); + move_boxed(&ptr,val,&n_htop,g_ptr++); } else { g_ptr++; } @@ -1494,9 +1494,9 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end, if (IS_MOVED_CONS(val)) { /* Moved */ *g_ptr++ = ptr[1]; } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_CONS(ptr,val,old_htop,g_ptr++); + move_cons(&ptr,val,&old_htop,g_ptr++); } else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) { - MOVE_CONS(ptr,val,n_htop,g_ptr++); + move_cons(&ptr,val,&n_htop,g_ptr++); } else { g_ptr++; } @@ -1538,9 +1538,9 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end, ASSERT(is_boxed(val)); *n_hp++ = val; } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_BOXED(ptr,val,old_htop,n_hp++); + move_boxed(&ptr,val,&old_htop,n_hp++); } else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) { - MOVE_BOXED(ptr,val,n_htop,n_hp++); + move_boxed(&ptr,val,&n_htop,n_hp++); } else { n_hp++; } @@ -1552,9 +1552,9 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end, if (IS_MOVED_CONS(val)) { *n_hp++ = ptr[1]; } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_CONS(ptr,val,old_htop,n_hp++); + move_cons(&ptr,val,&old_htop,n_hp++); } else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) { - MOVE_CONS(ptr,val,n_htop,n_hp++); + move_cons(&ptr,val,&n_htop,n_hp++); } else { n_hp++; } @@ -1574,10 +1574,10 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end, *origptr = val; mb->base = binary_bytes(val); } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_BOXED(ptr,val,old_htop,origptr); + move_boxed(&ptr,val,&old_htop,origptr); mb->base = binary_bytes(mb->orig); } else if (ErtsInYoungGen(*origptr, ptr, oh, oh_size)) { - MOVE_BOXED(ptr,val,n_htop,origptr); + move_boxed(&ptr,val,&n_htop,origptr); mb->base = binary_bytes(mb->orig); } } @@ -1792,7 +1792,7 @@ full_sweep_heaps(Process *p, Eterm* ptr; Eterm val; Eterm gval = *g_ptr; - + switch (primary_tag(gval)) { case TAG_PRIMARY_BOXED: { @@ -1802,7 +1802,7 @@ full_sweep_heaps(Process *p, ASSERT(is_boxed(val)); *g_ptr++ = val; } else if (!erts_is_literal(gval, ptr)) { - MOVE_BOXED(ptr,val,n_htop,g_ptr++); + move_boxed(&ptr,val,&n_htop,g_ptr++); } else { g_ptr++; } @@ -1815,7 +1815,7 @@ full_sweep_heaps(Process *p, if (IS_MOVED_CONS(val)) { *g_ptr++ = ptr[1]; } else if (!erts_is_literal(gval, ptr)) { - MOVE_CONS(ptr,val,n_htop,g_ptr++); + move_cons(&ptr,val,&n_htop,g_ptr++); } else { g_ptr++; } @@ -2104,7 +2104,7 @@ sweep(Eterm *n_hp, Eterm *n_htop, ASSERT(is_boxed(val)); *n_hp++ = val; } else if (ERTS_IS_IN_SWEEP_AREA(gval, ptr)) { - MOVE_BOXED(ptr,val,n_htop,n_hp++); + move_boxed(&ptr,val,&n_htop,n_hp++); } else { n_hp++; } @@ -2116,7 +2116,7 @@ sweep(Eterm *n_hp, Eterm *n_htop, if (IS_MOVED_CONS(val)) { *n_hp++ = ptr[1]; } else if (ERTS_IS_IN_SWEEP_AREA(gval, ptr)) { - MOVE_CONS(ptr,val,n_htop,n_hp++); + move_cons(&ptr,val,&n_htop,n_hp++); } else { n_hp++; } @@ -2129,7 +2129,7 @@ sweep(Eterm *n_hp, Eterm *n_htop, if (header_is_bin_matchstate(gval)) { ErlBinMatchState *ms = (ErlBinMatchState*) n_hp; ErlBinMatchBuffer *mb = &(ms->mb); - Eterm* origptr; + Eterm* origptr; origptr = &(mb->orig); ptr = boxed_val(*origptr); val = *ptr; @@ -2137,7 +2137,7 @@ sweep(Eterm *n_hp, Eterm *n_htop, *origptr = val; mb->base = binary_bytes(*origptr); } else if (ERTS_IS_IN_SWEEP_AREA(*origptr, ptr)) { - MOVE_BOXED(ptr,val,n_htop,origptr); + move_boxed(&ptr,val,&n_htop,origptr); mb->base = binary_bytes(*origptr); } } @@ -2200,7 +2200,7 @@ sweep_literals_to_old_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop, ASSERT(is_boxed(val)); *heap_ptr++ = val; } else if (ErtsInArea(ptr, src, src_size)) { - MOVE_BOXED(ptr,val,htop,heap_ptr++); + move_boxed(&ptr,val,&htop,heap_ptr++); } else { heap_ptr++; } @@ -2212,7 +2212,7 @@ sweep_literals_to_old_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop, if (IS_MOVED_CONS(val)) { *heap_ptr++ = ptr[1]; } else if (ErtsInArea(ptr, src, src_size)) { - MOVE_CONS(ptr,val,htop,heap_ptr++); + move_cons(&ptr,val,&htop,heap_ptr++); } else { heap_ptr++; } @@ -2233,7 +2233,7 @@ sweep_literals_to_old_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop, *origptr = val; mb->base = binary_bytes(*origptr); } else if (ErtsInArea(ptr, src, src_size)) { - MOVE_BOXED(ptr,val,htop,origptr); + move_boxed(&ptr,val,&htop,origptr); mb->base = binary_bytes(*origptr); } } @@ -2266,11 +2266,11 @@ move_one_area(Eterm* n_htop, char* src, Uint src_size) ASSERT(val != ERTS_HOLE_MARKER); if (is_header(val)) { ASSERT(ptr + header_arity(val) < end); - MOVE_BOXED(ptr, val, n_htop, &dummy_ref); + move_boxed(&ptr, val, &n_htop, &dummy_ref); } else { /* must be a cons cell */ ASSERT(ptr+1 < end); - MOVE_CONS(ptr, val, n_htop, &dummy_ref); + move_cons(&ptr, val, &n_htop, &dummy_ref); ptr += 2; } } @@ -3256,6 +3256,39 @@ reply_gc_info(void *vgcirp) gcireq_free(vgcirp); } +void erts_sub_binary_to_heap_binary(Eterm **pp, Eterm **hpp, Eterm *orig) { + Eterm *ptr = *pp; + Eterm *htop = *hpp; + Eterm gval; + ErlSubBin *sb = (ErlSubBin *)ptr; + ErlHeapBin *hb = (ErlHeapBin *)htop; + Eterm *real_bin; + byte *bs; + + real_bin = binary_val(follow_moved(sb->orig, (Eterm)0)); + + if (*real_bin == HEADER_PROC_BIN) { + bs = ((ProcBin *) real_bin)->bytes + sb->offs; + } else { + bs = (byte *)(&(((ErlHeapBin *) real_bin)->data)) + sb->offs; + } + + hb->thing_word = header_heap_bin(sb->size); + hb->size = sb->size; + sys_memcpy((byte *)hb->data, bs, sb->size); + + gval = make_boxed(htop); + *orig = gval; + *ptr = gval; + + ptr += ERL_SUB_BIN_SIZE; + htop += heap_bin_size(sb->size); + + *hpp = htop; + *pp = ptr; +} + + Eterm erts_gc_info_request(Process *c_p) { diff --git a/erts/emulator/beam/erl_gc.h b/erts/emulator/beam/erl_gc.h index 1cce426d21..414aff1e06 100644 --- a/erts/emulator/beam/erl_gc.h +++ b/erts/emulator/beam/erl_gc.h @@ -28,44 +28,71 @@ #define ERTS_POTENTIALLY_LONG_GC_HSIZE (128*1024) /* Words */ #include "erl_map.h" +#include "erl_fun.h" +#include "erl_bits.h" #define IS_MOVED_BOXED(x) (!is_header((x))) #define IS_MOVED_CONS(x) (is_non_value((x))) +void erts_sub_binary_to_heap_binary(Eterm **pp, Eterm **hpp, Eterm *orig); -#define MOVE_CONS(PTR,CAR,HTOP,ORIG) \ -do { \ - Eterm gval; \ - \ - HTOP[0] = CAR; /* copy car */ \ - HTOP[1] = PTR[1]; /* copy cdr */ \ - gval = make_list(HTOP); /* new location */ \ - *ORIG = gval; /* redirect original reference */ \ - PTR[0] = THE_NON_VALUE; /* store forwarding indicator */ \ - PTR[1] = gval; /* store forwarding address */ \ - HTOP += 2; /* update tospace htop */ \ -} while(0) - -#define MOVE_BOXED(PTR,HDR,HTOP,ORIG) \ -do { \ - Eterm gval; \ - Sint nelts; \ - \ - ASSERT(is_header(HDR)); \ - nelts = header_arity(HDR); \ - switch ((HDR) & _HEADER_SUBTAG_MASK) { \ - case SUB_BINARY_SUBTAG: nelts++; break; \ - case MAP_SUBTAG: \ - if (is_flatmap_header(HDR)) nelts+=flatmap_get_size(PTR) + 1; \ - else nelts += hashmap_bitcount(MAP_HEADER_VAL(HDR)); \ - break; \ - case FUN_SUBTAG: nelts+=((ErlFunThing*)(PTR))->num_free+1; break; \ - } \ - gval = make_boxed(HTOP); \ - *ORIG = gval; \ - *HTOP++ = HDR; \ - *PTR++ = gval; \ - while (nelts--) *HTOP++ = *PTR++; \ -} while(0) +ERTS_GLB_INLINE void move_cons(Eterm **pp, Eterm car, Eterm **hpp, Eterm *orig); +#if ERTS_GLB_INLINE_INCL_FUNC_DEF +ERTS_GLB_INLINE void move_cons(Eterm **pp, Eterm car, Eterm **hpp, Eterm *orig) +{ + Eterm *ptr = *pp; + Eterm *htop = *hpp; + Eterm gval; + + htop[0] = car; /* copy car */ + htop[1] = ptr[1]; /* copy cdr */ + gval = make_list(htop); /* new location */ + *orig = gval; /* redirect original reference */ + ptr[0] = THE_NON_VALUE; /* store forwarding indicator */ + ptr[1] = gval; /* store forwarding address */ + *hpp += 2; /* update tospace htop */ +} +#endif + +ERTS_GLB_INLINE void move_boxed(Eterm **pp, Eterm hdr, Eterm **hpp, Eterm *orig); +#if ERTS_GLB_INLINE_INCL_FUNC_DEF +ERTS_GLB_INLINE void move_boxed(Eterm **pp, Eterm hdr, Eterm **hpp, Eterm *orig) +{ + Eterm gval; + Sint nelts; + Eterm *ptr = *pp; + Eterm *htop = *hpp; + + ASSERT(is_header(hdr)); + nelts = header_arity(hdr); + switch ((hdr) & _HEADER_SUBTAG_MASK) { + case SUB_BINARY_SUBTAG: + { + ErlSubBin *sb = (ErlSubBin *)ptr; + /* convert sub-binary to heap-binary if applicable */ + if (sb->bitsize == 0 && sb->bitoffs == 0 && + sb->is_writable == 0 && sb->size <= sizeof(Eterm) * 3) { + erts_sub_binary_to_heap_binary(pp, hpp, orig); + return; + } + } + nelts++; + break; + case MAP_SUBTAG: + if (is_flatmap_header(hdr)) nelts+=flatmap_get_size(ptr) + 1; + else nelts += hashmap_bitcount(MAP_HEADER_VAL(hdr)); + break; + case FUN_SUBTAG: nelts+=((ErlFunThing*)(ptr))->num_free+1; break; + } + gval = make_boxed(htop); + *orig = gval; + *htop++ = hdr; + *ptr++ = gval; + while (nelts--) *htop++ = *ptr++; + + *hpp = htop; + *pp = ptr; +} +#endif #define ErtsInYoungGen(TPtr, Ptr, OldHeap, OldHeapSz) \ (!erts_is_literal((TPtr), (Ptr)) \ diff --git a/erts/emulator/hipe/hipe_gc.c b/erts/emulator/hipe/hipe_gc.c index cf0435adc9..2311beb34a 100644 --- a/erts/emulator/hipe/hipe_gc.c +++ b/erts/emulator/hipe/hipe_gc.c @@ -91,7 +91,7 @@ Eterm *fullsweep_nstack(Process *p, Eterm *n_htop) ASSERT(is_boxed(val)); *nsp_i = val; } else if (!erts_is_literal(gval, ptr)) { - MOVE_BOXED(ptr, val, n_htop, nsp_i); + move_boxed(&ptr, val, &n_htop, nsp_i); } } else if (is_list(gval)) { Eterm *ptr = list_val(gval); @@ -100,7 +100,7 @@ Eterm *fullsweep_nstack(Process *p, Eterm *n_htop) *nsp_i = ptr[1]; } else if (!erts_is_literal(gval, ptr)) { ASSERT(erts_dbg_within_proc(ptr, p, NULL)); - MOVE_CONS(ptr, val, n_htop, nsp_i); + move_cons(&ptr, val, &n_htop, nsp_i); } } } @@ -206,10 +206,10 @@ void gensweep_nstack(Process *p, Eterm **ptr_old_htop, Eterm **ptr_n_htop) ASSERT(is_boxed(val)); *nsp_i = val; } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_BOXED(ptr, val, old_htop, nsp_i); + move_boxed(&ptr, val, &old_htop, nsp_i); } else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) { ASSERT(erts_dbg_within_proc(ptr, p, NULL)); - MOVE_BOXED(ptr, val, n_htop, nsp_i); + move_boxed(&ptr, val, &n_htop, nsp_i); } } else if (is_list(gval)) { Eterm *ptr = list_val(gval); @@ -217,10 +217,10 @@ void gensweep_nstack(Process *p, Eterm **ptr_old_htop, Eterm **ptr_n_htop) if (IS_MOVED_CONS(val)) { *nsp_i = ptr[1]; } else if (ErtsInArea(ptr, mature, mature_size)) { - MOVE_CONS(ptr, val, old_htop, nsp_i); + move_cons(&ptr, val, &old_htop, nsp_i); } else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) { ASSERT(erts_dbg_within_proc(ptr, p, NULL)); - MOVE_CONS(ptr, val, n_htop, nsp_i); + move_cons(&ptr, val, &n_htop, nsp_i); } } } @@ -278,7 +278,7 @@ Eterm *sweep_literals_nstack(Process *p, Eterm *old_htop, char *area, ASSERT(is_boxed(val)); *nsp_i = val; } else if (ErtsInArea(ptr, area, area_size)) { - MOVE_BOXED(ptr, val, old_htop, nsp_i); + move_boxed(&ptr, val, &old_htop, nsp_i); } } else if (is_list(gval)) { Eterm *ptr = list_val(gval); @@ -286,7 +286,7 @@ Eterm *sweep_literals_nstack(Process *p, Eterm *old_htop, char *area, if (IS_MOVED_CONS(val)) { *nsp_i = ptr[1]; } else if (ErtsInArea(ptr, area, area_size)) { - MOVE_CONS(ptr, val, old_htop, nsp_i); + move_cons(&ptr, val, &old_htop, nsp_i); } } } |