diff options
Diffstat (limited to 'erts')
| -rw-r--r-- | erts/emulator/beam/erl_gc.c | 620 | ||||
| -rw-r--r-- | erts/emulator/beam/sys.h | 37 |
2 files changed, 334 insertions, 323 deletions
diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index e316ab95ab..2d7b7cafa4 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -42,11 +42,76 @@ #include "dtrace-wrapper.h" #include "erl_bif_unique.h" +#define ERTS_CONTINUOUS_NEW_HEAP + #define ERTS_INACT_WR_PB_LEAVE_MUCH_LIMIT 1 #define ERTS_INACT_WR_PB_LEAVE_MUCH_PERCENTAGE 20 #define ERTS_INACT_WR_PB_LEAVE_LIMIT 10 #define ERTS_INACT_WR_PB_LEAVE_PERCENTAGE 10 +#if defined(DEBUG) || 0 +#define ERTS_GC_DEBUG +#else +#undef ERTS_GC_DEBUG +#endif +#ifdef ERTS_GC_DEBUG +# define ERTS_GC_ASSERT ASSERT +#else +# define ERTS_GC_ASSERT(B) ((void) 1) +#endif + +#ifdef ERTS_CONTINUOUS_NEW_HEAP +#define ERTS_IS_NEW_HEAP_PTR__(TPtr, Ptr, NhPtr, NhSz, OhPtr, OhSz) \ + ErtsInArea((Ptr), (NhPtr), (NhSz)) +#define ERTS_IS_LITERAL_PTR__(TPtr, Ptr, NhPtr, NhSz, OhPtr, OhSz) \ + (!ErtsInArea((Ptr), (NhPtr), (NhSz)) \ + && !ErtsInArea((Ptr), (OhPtr), (OhSz))) + +#ifdef ERTS_GC_DEBUG +#define ERTS_IS_NEW_HEAP_PTR(TPtr, Ptr, NhPtr, NhSz, OhPtr, OhSz) \ + (ERTS_IS_NEW_HEAP_PTR__((TPtr), (Ptr), (NhPtr), (NhSz), (OhPtr), (OhSz)) \ + ? (ERTS_GC_ASSERT(!erts_is_literal((TPtr), (Ptr)) \ + && !ErtsInArea((Ptr), (OhPtr), (OhSz))), 1) \ + : (ERTS_GC_ASSERT(erts_is_literal((TPtr), (Ptr)) \ + || ErtsInArea((Ptr), (OhPtr), (OhSz))), 0)) +#define ERTS_IS_LITERAL_PTR(TPtr, Ptr, NhPtr, NhSz, OhPtr, OhSz) \ + (ERTS_IS_LITERAL_PTR__((TPtr), (Ptr), (NhPtr), (NhSz), (OhPtr), (OhSz)) \ + ? (ERTS_GC_ASSERT(erts_is_literal((TPtr), (Ptr))), 1) \ + : (ERTS_GC_ASSERT(!erts_is_literal((TPtr), (Ptr))), 0)) +#endif + +#else + +#define ERTS_IS_NEW_HEAP_PTR__(TPtr, Ptr, NhPtr, NhSz, OhPtr, OhSz) \ + (!erts_is_literal((TPtr), (Ptr)) && !ErtsInArea((Ptr), (OhPtr), (OhSz))) +#define ERTS_IS_LITERAL_PTR__(TPtr, Ptr, NhPtr, NhSz, OhPtr, OhSz) \ + (erts_is_literal((TPtr), (Ptr))) + +#ifdef ERTS_GC_DEBUG +#define ERTS_IS_NEW_HEAP_PTR(TPtr, Ptr, NhPtr, NhSz, OhPtr, OhSz) \ + (ERTS_IS_NEW_HEAP_PTR__((TPtr), (Ptr), (NhPtr), (NhSz), (OhPtr), (OhSz)) \ + ? (ERTS_GC_ASSERT(ErtsInArea((Ptr), (NhPtr), (NhSz))), 1) \ + : (ERTS_GC_ASSERT(!ErtsInArea((Ptr), (NhPtr), (NhSz))), 0)) +#define ERTS_IS_LITERAL_PTR(TPtr, Ptr, NhPtr, NhSz, OhPtr, OhSz) \ + (ERTS_IS_LITERAL_PTR__((TPtr), (Ptr), (NhPtr), (NhSz), (OhPtr), (OhSz)) \ + ? (ERTS_GC_ASSERT(!ErtsInArea((Ptr), (NhPtr), (NhSz)) \ + && !ErtsInArea((Ptr), (OhPtr), (OhSz))), 1) \ + : (ERTS_GC_ASSERT(ErtsInArea((Ptr), (NhPtr), (NhSz)) \ + || ErtsInArea((Ptr), (OhPtr), (OhSz))), 0)) +#endif + +#endif + +#ifndef ERTS_IS_NEW_HEAP_PTR +#define ERTS_IS_NEW_HEAP_PTR(TPtr, Ptr, NhPtr, NhSz, OhPtr, OhSz) \ + ERTS_IS_NEW_HEAP_PTR__((TPtr), (Ptr), (NhPtr), (NhSz), (OhPtr), (OhSz)) +#endif + +#ifndef ERTS_IS_LITERAL_PTR +#define ERTS_IS_LITERAL_PTR(TPtr, Ptr, NhPtr, NhSz, OhPtr, OhSz) \ + ERTS_IS_LITERAL_PTR__((TPtr), (Ptr), (NhPtr), (NhSz), (OhPtr), (OhSz)) +#endif + /* * Returns number of elements in an array. */ @@ -100,13 +165,27 @@ static Uint setup_rootset(Process*, Eterm*, int, Rootset*); static void cleanup_rootset(Rootset *rootset); static Uint combined_message_size(Process* p); static void remove_message_buffers(Process* p); +static Eterm *full_sweep_heaps(Process *p, + int hibernate, + Eterm *n_heap, Eterm* n_htop, + char *h, Uint h_size, + char *oh, Uint oh_size, + Eterm *objv, int nobj); static int major_collection(Process* p, int need, Eterm* objv, int nobj, Uint *recl); static int minor_collection(Process* p, int need, Eterm* objv, int nobj, Uint *recl); static void do_minor(Process *p, Uint new_sz, Eterm* objv, int nobj); -static Eterm* sweep_rootset(Rootset *rootset, Eterm* htop, char* src, Uint src_size); -static Eterm* sweep_one_area(Eterm* n_hp, Eterm* n_htop, char* src, Uint src_size); -static Eterm* sweep_one_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop, - char* src, Uint src_size); +static Eterm *sweep_new_heap(Eterm *n_hp, Eterm *n_htop, + char* new_heap, Uint new_heap_size, + char* old_heap, Uint old_heap_size); +static Eterm *sweep_heaps(Eterm *n_hp, Eterm *n_htop, + char* new_heap, Uint new_heap_size, + char* old_heap, Uint old_heap_size); +static Eterm* sweep_literal_area(Eterm* n_hp, Eterm* n_htop, + char* new_heap, Uint new_heap_size, + char* old_heap, Uint old_heap_size, + char* src, Uint src_size); +static Eterm* sweep_literals_to_old_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop, + char* src, Uint src_size); static Eterm* collect_heap_frags(Process* p, Eterm* heap, Eterm* htop, Eterm* objv, int nobj); static void adjust_after_fullsweep(Process *p, int need, Eterm *objv, int nobj); @@ -514,9 +593,6 @@ erts_garbage_collect_hibernate(Process* p) Uint heap_size; Eterm* heap; Eterm* htop; - Rootset rootset; - char* src; - Uint src_size; Uint actual_size; char* area; Uint area_size; @@ -544,41 +620,16 @@ erts_garbage_collect_hibernate(Process* p) sizeof(Eterm)*heap_size); htop = heap; - (void) setup_rootset(p, p->arg_reg, p->arity, &rootset); -#if HIPE - hipe_empty_nstack(p); -#endif - - src = (char *) p->heap; - src_size = (char *) p->htop - src; - htop = sweep_rootset(&rootset, htop, src, src_size); - htop = sweep_one_area(heap, htop, src, src_size); - - if (p->old_heap) { - src = (char *) p->old_heap; - src_size = (char *) p->old_htop - src; - htop = sweep_rootset(&rootset, htop, src, src_size); - htop = sweep_one_area(heap, htop, src, src_size); - } - - cleanup_rootset(&rootset); - - if (MSO(p).first) { - sweep_off_heap(p, 1); - } - - /* - * Update all pointers. - */ - ERTS_HEAP_FREE(ERTS_ALC_T_HEAP, - (void*)HEAP_START(p), - HEAP_SIZE(p) * sizeof(Eterm)); - if (p->old_heap) { - ERTS_HEAP_FREE(ERTS_ALC_T_OLD_HEAP, - (void*)p->old_heap, - (p->old_hend - p->old_heap) * sizeof(Eterm)); - p->old_heap = p->old_htop = p->old_hend = 0; - } + htop = full_sweep_heaps(p, + 1, + heap, + htop, + (char *) p->heap, + (char *) p->htop - (char *) p->heap, + (char *) p->old_heap, + (char *) p->old_htop - (char *) p->old_heap, + p->arg_reg, + p->arity); p->heap = heap; p->high_water = htop; @@ -724,7 +775,7 @@ erts_garbage_collect_literals(Process* p, Eterm* literals, if (IS_MOVED_BOXED(val)) { ASSERT(is_boxed(val)); *g_ptr++ = val; - } else if (in_area(ptr, area, area_size)) { + } else if (ErtsInArea(ptr, area, area_size)) { MOVE_BOXED(ptr,val,old_htop,g_ptr++); } else { g_ptr++; @@ -735,7 +786,7 @@ erts_garbage_collect_literals(Process* p, Eterm* literals, val = *ptr; if (IS_MOVED_CONS(val)) { /* Moved */ *g_ptr++ = ptr[1]; - } else if (in_area(ptr, area, area_size)) { + } else if (ErtsInArea(ptr, area, area_size)) { MOVE_CONS(ptr,val,old_htop,g_ptr++); } else { g_ptr++; @@ -755,8 +806,11 @@ erts_garbage_collect_literals(Process* p, Eterm* literals, * Now we'll have to go through all heaps updating all other references. */ - old_htop = sweep_one_heap(p->heap, p->htop, old_htop, area, area_size); - old_htop = sweep_one_area(p->old_heap, old_htop, area, area_size); + old_htop = sweep_literals_to_old_heap(p->heap, p->htop, old_htop, area, area_size); + old_htop = sweep_literal_area(p->old_heap, old_htop, + (char *) p->heap, sizeof(Eterm)*p->heap_sz, + (char *) p->old_heap, sizeof(Eterm)*old_heap_size, + area, area_size); ASSERT(p->old_htop <= old_htop && old_htop <= p->old_hend); p->old_htop = old_htop; @@ -1034,15 +1088,13 @@ do_minor(Process *p, Uint new_sz, Eterm* objv, int nobj) if (IS_MOVED_BOXED(val)) { ASSERT(is_boxed(val)); *g_ptr++ = val; - } else if (in_area(ptr, heap, mature_size)) { + } else if (ErtsInArea(ptr, heap, mature_size)) { MOVE_BOXED(ptr,val,old_htop,g_ptr++); - } else if (in_area(ptr, heap, heap_size)) { - ASSERT(!erts_is_literal(gval, ptr) - && !in_area(ptr, oh, oh_size)); + } else if (ERTS_IS_NEW_HEAP_PTR(gval, ptr, + heap, heap_size, + oh, oh_size)) { MOVE_BOXED(ptr,val,n_htop,g_ptr++); } else { - ASSERT(erts_is_literal(gval, ptr) - || in_area(ptr, oh, oh_size)); g_ptr++; } break; @@ -1053,15 +1105,13 @@ do_minor(Process *p, Uint new_sz, Eterm* objv, int nobj) val = *ptr; if (IS_MOVED_CONS(val)) { /* Moved */ *g_ptr++ = ptr[1]; - } else if (in_area(ptr, heap, mature_size)) { + } else if (ErtsInArea(ptr, heap, mature_size)) { MOVE_CONS(ptr,val,old_htop,g_ptr++); - } else if (in_area(ptr, heap, heap_size)) { - ASSERT(!erts_is_literal(gval, ptr) - && !in_area(ptr, oh, oh_size)); + } else if (ERTS_IS_NEW_HEAP_PTR(gval, ptr, + heap, heap_size, + oh, oh_size)) { MOVE_CONS(ptr,val,n_htop,g_ptr++); } else { - ASSERT(erts_is_literal(gval, ptr) - || in_area(ptr, oh, oh_size)); g_ptr++; } break; @@ -1084,7 +1134,8 @@ do_minor(Process *p, Uint new_sz, Eterm* objv, int nobj) */ if (mature_size == 0) { - n_htop = sweep_one_area(n_heap, n_htop, heap, heap_size); + n_htop = sweep_new_heap(n_heap, n_htop, heap, heap_size, + oh, oh_size); } else { Eterm* n_hp = n_heap; Eterm* ptr; @@ -1101,15 +1152,13 @@ do_minor(Process *p, Uint new_sz, Eterm* objv, int nobj) if (IS_MOVED_BOXED(val)) { ASSERT(is_boxed(val)); *n_hp++ = val; - } else if (in_area(ptr, heap, mature_size)) { + } else if (ErtsInArea(ptr, heap, mature_size)) { MOVE_BOXED(ptr,val,old_htop,n_hp++); - } else if (in_area(ptr, heap, heap_size)) { - ASSERT(!erts_is_literal(gval, ptr) - && !in_area(ptr, oh, oh_size)); + } else if (ERTS_IS_NEW_HEAP_PTR(gval, ptr, + heap, heap_size, + oh, oh_size)) { MOVE_BOXED(ptr,val,n_htop,n_hp++); } else { - ASSERT(erts_is_literal(gval, ptr) - || in_area(ptr, oh, oh_size)); n_hp++; } break; @@ -1119,15 +1168,13 @@ do_minor(Process *p, Uint new_sz, Eterm* objv, int nobj) val = *ptr; if (IS_MOVED_CONS(val)) { *n_hp++ = ptr[1]; - } else if (in_area(ptr, heap, mature_size)) { + } else if (ErtsInArea(ptr, heap, mature_size)) { MOVE_CONS(ptr,val,old_htop,n_hp++); - } else if (in_area(ptr, heap, heap_size)) { - ASSERT(!erts_is_literal(gval, ptr) - && !in_area(ptr, oh, oh_size)); + } else if (ERTS_IS_NEW_HEAP_PTR(gval, ptr, + heap, heap_size, + oh, oh_size)) { MOVE_CONS(ptr,val,n_htop,n_hp++); } else { - ASSERT(erts_is_literal(gval, ptr) - || in_area(ptr, oh, oh_size)); n_hp++; } break; @@ -1145,19 +1192,15 @@ do_minor(Process *p, Uint new_sz, Eterm* objv, int nobj) if (IS_MOVED_BOXED(val)) { *origptr = val; mb->base = binary_bytes(val); - } else if (in_area(ptr, heap, mature_size)) { + } else if (ErtsInArea(ptr, heap, mature_size)) { MOVE_BOXED(ptr,val,old_htop,origptr); mb->base = binary_bytes(mb->orig); - } else if (in_area(ptr, heap, heap_size)) { - ASSERT(!erts_is_literal(*origptr, origptr) - && !in_area(ptr, oh, oh_size)); + } else if (ERTS_IS_NEW_HEAP_PTR(*origptr, ptr, + heap, heap_size, + oh, oh_size)) { MOVE_BOXED(ptr,val,n_htop,origptr); mb->base = binary_bytes(mb->orig); } - else { - ASSERT(erts_is_literal(*origptr, origptr) - || in_area(ptr, oh, oh_size)); - } } n_hp += (thing_arityval(gval)+1); } @@ -1176,7 +1219,9 @@ do_minor(Process *p, Uint new_sz, Eterm* objv, int nobj) */ if (OLD_HTOP(p) < old_htop) { - old_htop = sweep_one_area(OLD_HTOP(p), old_htop, heap, heap_size); + old_htop = sweep_new_heap(OLD_HTOP(p), old_htop, + heap, heap_size, + oh, oh_size); } OLD_HTOP(p) = old_htop; HIGH_WATER(p) = n_htop; @@ -1229,8 +1274,6 @@ do_minor(Process *p, Uint new_sz, Eterm* objv, int nobj) static int major_collection(Process* p, int need, Eterm* objv, int nobj, Uint *recl) { - Rootset rootset; - Roots* roots; const Uint size_before = ((HEAP_TOP(p) - HEAP_START(p)) + (OLD_HTOP(p) - OLD_HEAP(p)) + MBUF_SIZE(p)); @@ -1240,8 +1283,7 @@ major_collection(Process* p, int need, Eterm* objv, int nobj, Uint *recl) Uint src_size = (char *) HEAP_TOP(p) - src; char* oh = (char *) OLD_HEAP(p); Uint oh_size = (char *) OLD_HTOP(p) - oh; - Uint n; - Uint new_sz; + Uint new_sz, stk_sz; /* * Do a fullsweep GC. First figure out the size of the heap @@ -1272,13 +1314,93 @@ major_collection(Process* p, int need, Eterm* objv, int nobj, Uint *recl) n_htop = collect_heap_frags(p, n_heap, n_htop, objv, nobj); } + n_htop = full_sweep_heaps(p, 0, n_heap, n_htop, src, src_size, + oh, oh_size, objv, nobj); + + /* Move the stack to the end of the heap */ + stk_sz = HEAP_END(p) - p->stop; + sys_memcpy(n_heap + new_sz - stk_sz, p->stop, stk_sz * sizeof(Eterm)); + p->stop = n_heap + new_sz - stk_sz; + +#ifdef USE_VM_PROBES + if (HEAP_SIZE(p) != new_sz && DTRACE_ENABLED(process_heap_grow)) { + DTRACE_CHARBUF(pidbuf, DTRACE_TERM_BUF_SIZE); + + dtrace_proc_str(p, pidbuf); + DTRACE3(process_heap_grow, pidbuf, HEAP_SIZE(p), new_sz); + } +#endif + + ERTS_HEAP_FREE(ERTS_ALC_T_HEAP, + (void *) HEAP_START(p), + (HEAP_END(p) - HEAP_START(p)) * sizeof(Eterm)); + HEAP_START(p) = n_heap; + HEAP_TOP(p) = n_htop; + HEAP_SIZE(p) = new_sz; + HEAP_END(p) = n_heap + new_sz; + GEN_GCS(p) = 0; + + HIGH_WATER(p) = HEAP_TOP(p); + + ErtsGcQuickSanityCheck(p); + + *recl += size_before - (HEAP_TOP(p) - HEAP_START(p)); + + { + ErlMessage *msgp; + + /* + * Copy newly received message onto the end of the new heap. + */ + for (msgp = p->msg.first; msgp; msgp = msgp->next) { + if (msgp->data.attached) { + ErtsHeapFactory factory; + erts_factory_proc_prealloc_init(&factory, p, + erts_msg_attached_data_size(msgp)); + erts_move_msg_attached_data_to_heap(&factory, msgp); + erts_factory_close(&factory); + ErtsGcQuickSanityCheck(p); + } + } + } + + adjust_after_fullsweep(p, need, objv, nobj); + +#ifdef HARDDEBUG + disallow_heap_frag_ref_in_heap(p); +#endif + remove_message_buffers(p); + + ErtsGcQuickSanityCheck(p); + return 1; /* We are done. */ +} + +static Eterm * +full_sweep_heaps(Process *p, + int hibernate, + Eterm *n_heap, Eterm* n_htop, + char *h, Uint h_size, + char *oh, Uint oh_size, + Eterm *objv, int nobj) +{ + Rootset rootset; + Roots *roots; + Uint n; + /* * Copy all top-level terms directly referenced by the rootset to * the new new_heap. */ n = setup_rootset(p, objv, nobj, &rootset); - n_htop = fullsweep_nstack(p, n_htop); + +#ifdef HIPE + if (hibernate) + hipe_empty_nstack(p); + else + n_htop = fullsweep_nstack(p, n_htop); +#endif + roots = rootset.roots; while (n--) { Eterm* g_ptr = roots->v; @@ -1298,11 +1420,11 @@ major_collection(Process* p, int need, Eterm* objv, int nobj, Uint *recl) if (IS_MOVED_BOXED(val)) { ASSERT(is_boxed(val)); *g_ptr++ = val; - } else if (in_area(ptr, src, src_size) || in_area(ptr, oh, oh_size)) { - ASSERT(!erts_is_literal(gval, ptr)); + } else if (!ERTS_IS_LITERAL_PTR(gval, ptr, + h, h_size, + oh, oh_size)) { MOVE_BOXED(ptr,val,n_htop,g_ptr++); } else { - ASSERT(erts_is_literal(gval, ptr)); g_ptr++; } continue; @@ -1313,11 +1435,11 @@ major_collection(Process* p, int need, Eterm* objv, int nobj, Uint *recl) val = *ptr; if (IS_MOVED_CONS(val)) { *g_ptr++ = ptr[1]; - } else if (in_area(ptr, src, src_size) || in_area(ptr, oh, oh_size)) { - ASSERT(!erts_is_literal(gval, ptr)); + } else if (!ERTS_IS_LITERAL_PTR(gval, ptr, + h, h_size, + oh, oh_size)) { MOVE_CONS(ptr,val,n_htop,g_ptr++); } else { - ASSERT(erts_is_literal(gval, ptr)); g_ptr++; } continue; @@ -1340,82 +1462,7 @@ major_collection(Process* p, int need, Eterm* objv, int nobj, Uint *recl) * until all is copied. */ - if (oh_size == 0) { - n_htop = sweep_one_area(n_heap, n_htop, src, src_size); - } else { - Eterm* n_hp = n_heap; - - while (n_hp != n_htop) { - Eterm* ptr; - Eterm val; - Eterm gval = *n_hp; - - switch (primary_tag(gval)) { - case TAG_PRIMARY_BOXED: { - ptr = boxed_val(gval); - val = *ptr; - if (IS_MOVED_BOXED(val)) { - ASSERT(is_boxed(val)); - *n_hp++ = val; - } else if (in_area(ptr, src, src_size) || in_area(ptr, oh, oh_size)) { - ASSERT(!erts_is_literal(gval, ptr)); - MOVE_BOXED(ptr,val,n_htop,n_hp++); - } else { - ASSERT(erts_is_literal(gval, ptr)); - n_hp++; - } - break; - } - case TAG_PRIMARY_LIST: { - ptr = list_val(gval); - val = *ptr; - if (IS_MOVED_CONS(val)) { - *n_hp++ = ptr[1]; - } else if (in_area(ptr, src, src_size) || in_area(ptr, oh, oh_size)) { - ASSERT(!erts_is_literal(gval, ptr)); - MOVE_CONS(ptr,val,n_htop,n_hp++); - } else { - ASSERT(erts_is_literal(gval, ptr)); - n_hp++; - } - break; - } - case TAG_PRIMARY_HEADER: { - if (!header_is_thing(gval)) - n_hp++; - else { - if (header_is_bin_matchstate(gval)) { - ErlBinMatchState *ms = (ErlBinMatchState*) n_hp; - ErlBinMatchBuffer *mb = &(ms->mb); - Eterm* origptr; - origptr = &(mb->orig); - ptr = boxed_val(*origptr); - val = *ptr; - if (IS_MOVED_BOXED(val)) { - *origptr = val; - mb->base = binary_bytes(*origptr); - } else if (in_area(ptr, src, src_size) || -- in_area(ptr, oh, oh_size)) { - ASSERT(!erts_is_literal(*origptr, origptr)); - MOVE_BOXED(ptr,val,n_htop,origptr); - mb->base = binary_bytes(*origptr); - ptr = boxed_val(*origptr); - val = *ptr; - } - else { - ASSERT(erts_is_literal(*origptr, origptr)); - } - } - n_hp += (thing_arityval(gval)+1); - } - break; - } - default: - n_hp++; - break; - } - } - } + n_htop = sweep_heaps(n_heap, n_htop, h, h_size, oh, oh_size); if (MSO(p).first) { sweep_off_heap(p, 1); @@ -1428,62 +1475,7 @@ major_collection(Process* p, int need, Eterm* objv, int nobj, Uint *recl) OLD_HEAP(p) = OLD_HTOP(p) = OLD_HEND(p) = NULL; } - /* Move the stack to the end of the heap */ - n = HEAP_END(p) - p->stop; - sys_memcpy(n_heap + new_sz - n, p->stop, n * sizeof(Eterm)); - p->stop = n_heap + new_sz - n; - -#ifdef USE_VM_PROBES - if (HEAP_SIZE(p) != new_sz && DTRACE_ENABLED(process_heap_grow)) { - DTRACE_CHARBUF(pidbuf, DTRACE_TERM_BUF_SIZE); - - dtrace_proc_str(p, pidbuf); - DTRACE3(process_heap_grow, pidbuf, HEAP_SIZE(p), new_sz); - } -#endif - - ERTS_HEAP_FREE(ERTS_ALC_T_HEAP, - (void *) HEAP_START(p), - (HEAP_END(p) - HEAP_START(p)) * sizeof(Eterm)); - HEAP_START(p) = n_heap; - HEAP_TOP(p) = n_htop; - HEAP_SIZE(p) = new_sz; - HEAP_END(p) = n_heap + new_sz; - GEN_GCS(p) = 0; - - HIGH_WATER(p) = HEAP_TOP(p); - - ErtsGcQuickSanityCheck(p); - - *recl += size_before - (HEAP_TOP(p) - HEAP_START(p)); - - { - ErlMessage *msgp; - - /* - * Copy newly received message onto the end of the new heap. - */ - for (msgp = p->msg.first; msgp; msgp = msgp->next) { - if (msgp->data.attached) { - ErtsHeapFactory factory; - erts_factory_proc_prealloc_init(&factory, p, - erts_msg_attached_data_size(msgp)); - erts_move_msg_attached_data_to_heap(&factory, msgp); - erts_factory_close(&factory); - ErtsGcQuickSanityCheck(p); - } - } - } - - adjust_after_fullsweep(p, need, objv, nobj); - -#ifdef HARDDEBUG - disallow_heap_frag_ref_in_heap(p); -#endif - remove_message_buffers(p); - - ErtsGcQuickSanityCheck(p); - return 1; /* We are done. */ + return n_htop; } static void @@ -1585,7 +1577,7 @@ disallow_heap_frag_ref(Process* p, Eterm* n_htop, Eterm* objv, int nobj) objv++; } else { for (qb = mbuf; qb != NULL; qb = qb->next) { - if (in_area(ptr, qb->mem, qb->alloc_size*sizeof(Eterm))) { + if (ErtsInArea(ptr, qb->mem, qb->alloc_size*sizeof(Eterm))) { abort(); } } @@ -1601,7 +1593,7 @@ disallow_heap_frag_ref(Process* p, Eterm* n_htop, Eterm* objv, int nobj) objv++; } else { for (qb = mbuf; qb != NULL; qb = qb->next) { - if (in_area(ptr, qb->mem, qb->alloc_size*sizeof(Eterm))) { + if (ErtsInArea(ptr, qb->mem, qb->alloc_size*sizeof(Eterm))) { abort(); } } @@ -1644,9 +1636,9 @@ disallow_heap_frag_ref_in_heap(Process* p) switch (primary_tag(val)) { case TAG_PRIMARY_BOXED: ptr = _unchecked_boxed_val(val); - if (!in_area(ptr, heap, heap_size)) { + if (!ErtsInArea(ptr, heap, heap_size)) { for (qb = MBUF(p); qb != NULL; qb = qb->next) { - if (in_area(ptr, qb->mem, qb->alloc_size*sizeof(Eterm))) { + if (ErtsInArea(ptr, qb->mem, qb->alloc_size*sizeof(Eterm))) { abort(); } } @@ -1654,9 +1646,9 @@ disallow_heap_frag_ref_in_heap(Process* p) break; case TAG_PRIMARY_LIST: ptr = _unchecked_list_val(val); - if (!in_area(ptr, heap, heap_size)) { + if (!ErtsInArea(ptr, heap, heap_size)) { for (qb = MBUF(p); qb != NULL; qb = qb->next) { - if (in_area(ptr, qb->mem, qb->alloc_size*sizeof(Eterm))) { + if (ErtsInArea(ptr, qb->mem, qb->alloc_size*sizeof(Eterm))) { abort(); } } @@ -1699,12 +1691,12 @@ disallow_heap_frag_ref_in_old_heap(Process* p) switch (primary_tag(val)) { case TAG_PRIMARY_BOXED: ptr = (Eterm *) val; - if (!in_area(ptr, old_heap, old_heap_size)) { - if (in_area(ptr, new_heap, new_heap_size)) { + if (!ErtsInArea(ptr, old_heap, old_heap_size)) { + if (ErtsInArea(ptr, new_heap, new_heap_size)) { abort(); } for (qb = MBUF(p); qb != NULL; qb = qb->next) { - if (in_area(ptr, qb->mem, qb->alloc_size*sizeof(Eterm))) { + if (ErtsInArea(ptr, qb->mem, qb->alloc_size*sizeof(Eterm))) { abort(); } } @@ -1712,12 +1704,12 @@ disallow_heap_frag_ref_in_old_heap(Process* p) break; case TAG_PRIMARY_LIST: ptr = (Eterm *) val; - if (!in_area(ptr, old_heap, old_heap_size)) { - if (in_area(ptr, new_heap, new_heap_size)) { + if (!ErtsInArea(ptr, old_heap, old_heap_size)) { + if (ErtsInArea(ptr, new_heap, new_heap_size)) { abort(); } for (qb = MBUF(p); qb != NULL; qb = qb->next) { - if (in_area(ptr, qb->mem, qb->alloc_size*sizeof(Eterm))) { + if (ErtsInArea(ptr, qb->mem, qb->alloc_size*sizeof(Eterm))) { abort(); } } @@ -1726,7 +1718,7 @@ disallow_heap_frag_ref_in_old_heap(Process* p) case TAG_PRIMARY_HEADER: if (header_is_thing(val)) { hp += _unchecked_thing_arityval(val); - if (!in_area(hp, old_heap, old_heap_size+1)) { + if (!ErtsInArea(hp, old_heap, old_heap_size+1)) { abort(); } } @@ -1736,66 +1728,35 @@ disallow_heap_frag_ref_in_old_heap(Process* p) } #endif -static Eterm* -sweep_rootset(Rootset* rootset, Eterm* htop, char* src, Uint src_size) +typedef enum { + ErtsSweepNewHeap, + ErtsSweepHeaps, + ErtsSweepLiteralArea +} ErtsSweepType; + +static ERTS_FORCE_INLINE Eterm * +sweep(Eterm *n_hp, Eterm *n_htop, + ErtsSweepType type, + char *h, Uint hsz, + char *oh, Uint ohsz, + char *src, Uint src_size) { - Roots* roots = rootset->roots; - Uint n = rootset->num_roots; Eterm* ptr; - Eterm gval; Eterm val; + Eterm gval; - while (n--) { - Eterm* g_ptr = roots->v; - Uint g_sz = roots->sz; - - roots++; - while (g_sz--) { - gval = *g_ptr; - - switch (primary_tag(gval)) { - case TAG_PRIMARY_BOXED: { - ptr = boxed_val(gval); - val = *ptr; - if (IS_MOVED_BOXED(val)) { - ASSERT(is_boxed(val)); - *g_ptr++ = val; - } else if (in_area(ptr, src, src_size)) { - MOVE_BOXED(ptr,val,htop,g_ptr++); - } else { - g_ptr++; - } - break; - } - case TAG_PRIMARY_LIST: { - ptr = list_val(gval); - val = *ptr; - if (IS_MOVED_CONS(val)) { - *g_ptr++ = ptr[1]; - } else if (in_area(ptr, src, src_size)) { - MOVE_CONS(ptr,val,htop,g_ptr++); - } else { - g_ptr++; - } - break; - } - - default: - g_ptr++; - break; - } - } - } - return htop; -} - +#undef ERTS_IS_IN_SWEEP_AREA -static Eterm* -sweep_one_area(Eterm* n_hp, Eterm* n_htop, char* src, Uint src_size) -{ - Eterm* ptr; - Eterm val; - Eterm gval; +#define ERTS_IS_IN_SWEEP_AREA(TPtr, Ptr) \ + (type == ErtsSweepHeaps \ + ? !ERTS_IS_LITERAL_PTR((TPtr), (Ptr), h, hsz, oh, ohsz) \ + : (type == ErtsSweepNewHeap \ + ? ERTS_IS_NEW_HEAP_PTR((TPtr), (Ptr), h, hsz, oh, ohsz) \ + : (ErtsInArea((Ptr), src, src_size) \ + ? (ERTS_GC_ASSERT(erts_is_literal((TPtr), (Ptr)) \ + && !ErtsInArea((Ptr), h, hsz) \ + && !ErtsInArea((Ptr), oh, ohsz)), 1) \ + : 0))) while (n_hp != n_htop) { ASSERT(n_hp < n_htop); @@ -1807,7 +1768,7 @@ sweep_one_area(Eterm* n_hp, Eterm* n_htop, char* src, Uint src_size) if (IS_MOVED_BOXED(val)) { ASSERT(is_boxed(val)); *n_hp++ = val; - } else if (in_area(ptr, src, src_size)) { + } else if (ERTS_IS_IN_SWEEP_AREA(gval, ptr)) { MOVE_BOXED(ptr,val,n_htop,n_hp++); } else { n_hp++; @@ -1819,7 +1780,7 @@ sweep_one_area(Eterm* n_hp, Eterm* n_htop, char* src, Uint src_size) val = *ptr; if (IS_MOVED_CONS(val)) { *n_hp++ = ptr[1]; - } else if (in_area(ptr, src, src_size)) { + } else if (ERTS_IS_IN_SWEEP_AREA(gval, ptr)) { MOVE_CONS(ptr,val,n_htop,n_hp++); } else { n_hp++; @@ -1840,7 +1801,7 @@ sweep_one_area(Eterm* n_hp, Eterm* n_htop, char* src, Uint src_size) if (IS_MOVED_BOXED(val)) { *origptr = val; mb->base = binary_bytes(*origptr); - } else if (in_area(ptr, src, src_size)) { + } else if (ERTS_IS_IN_SWEEP_AREA(*origptr, ptr)) { MOVE_BOXED(ptr,val,n_htop,origptr); mb->base = binary_bytes(*origptr); } @@ -1855,10 +1816,49 @@ sweep_one_area(Eterm* n_hp, Eterm* n_htop, char* src, Uint src_size) } } return n_htop; +#undef ERTS_IS_IN_SWEEP_AREA +} + +static Eterm * +sweep_new_heap(Eterm *n_hp, Eterm *n_htop, + char* new_heap, Uint new_heap_size, + char* old_heap, Uint old_heap_size) +{ + return sweep(n_hp, n_htop, + ErtsSweepNewHeap, + new_heap, new_heap_size, + old_heap, old_heap_size, + NULL, 0); +} + +static Eterm * +sweep_heaps(Eterm *n_hp, Eterm *n_htop, + char* new_heap, Uint new_heap_size, + char* old_heap, Uint old_heap_size) +{ + return sweep(n_hp, n_htop, + ErtsSweepHeaps, + new_heap, new_heap_size, + old_heap, old_heap_size, + NULL, 0); +} + +static Eterm * +sweep_literal_area(Eterm *n_hp, Eterm *n_htop, + char* new_heap, Uint new_heap_size, + char* old_heap, Uint old_heap_size, + char* src, Uint src_size) +{ + return sweep(n_hp, n_htop, + ErtsSweepLiteralArea, + new_heap, new_heap_size, + old_heap, old_heap_size, + src, src_size); } static Eterm* -sweep_one_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop, char* src, Uint src_size) +sweep_literals_to_old_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop, + char* src, Uint src_size) { while (heap_ptr < heap_end) { Eterm* ptr; @@ -1872,7 +1872,7 @@ sweep_one_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop, char* src, Uint sr if (IS_MOVED_BOXED(val)) { ASSERT(is_boxed(val)); *heap_ptr++ = val; - } else if (in_area(ptr, src, src_size)) { + } else if (ErtsInArea(ptr, src, src_size)) { MOVE_BOXED(ptr,val,htop,heap_ptr++); } else { heap_ptr++; @@ -1884,7 +1884,7 @@ sweep_one_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop, char* src, Uint sr val = *ptr; if (IS_MOVED_CONS(val)) { *heap_ptr++ = ptr[1]; - } else if (in_area(ptr, src, src_size)) { + } else if (ErtsInArea(ptr, src, src_size)) { MOVE_CONS(ptr,val,htop,heap_ptr++); } else { heap_ptr++; @@ -1905,7 +1905,7 @@ sweep_one_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop, char* src, Uint sr if (IS_MOVED_BOXED(val)) { *origptr = val; mb->base = binary_bytes(*origptr); - } else if (in_area(ptr, src, src_size)) { + } else if (ErtsInArea(ptr, src, src_size)) { MOVE_BOXED(ptr,val,htop,origptr); mb->base = binary_bytes(*origptr); } @@ -2340,11 +2340,11 @@ sweep_off_heap(Process *p, int fullsweep) */ while (ptr) { if (IS_MOVED_BOXED(ptr->thing_word)) { - ASSERT(!in_area(ptr, oheap, oheap_sz)); + ASSERT(!ErtsInArea(ptr, oheap, oheap_sz)); *prev = ptr = (struct erl_off_heap_header*) boxed_val(ptr->thing_word); ASSERT(!IS_MOVED_BOXED(ptr->thing_word)); if (ptr->thing_word == HEADER_PROC_BIN) { - int to_new_heap = !in_area(ptr, oheap, oheap_sz); + int to_new_heap = !ErtsInArea(ptr, oheap, oheap_sz); ASSERT(to_new_heap == !seen_mature || (!to_new_heap && (seen_mature=1))); if (to_new_heap) { bin_vheap += ptr->size / sizeof(Eterm); @@ -2358,7 +2358,7 @@ sweep_off_heap(Process *p, int fullsweep) ptr = ptr->next; } } - else if (!in_area(ptr, oheap, oheap_sz)) { + else if (!ErtsInArea(ptr, oheap, oheap_sz)) { /* garbage */ switch (thing_subtag(ptr->thing_word)) { case REFC_BINARY_SUBTAG: @@ -2390,7 +2390,7 @@ sweep_off_heap(Process *p, int fullsweep) * generational collection - keep objects in list. */ while (ptr) { - ASSERT(in_area(ptr, oheap, oheap_sz)); + ASSERT(ErtsInArea(ptr, oheap, oheap_sz)); ASSERT(!IS_MOVED_BOXED(ptr->thing_word)); if (ptr->thing_word == HEADER_PROC_BIN) { BIN_OLD_VHEAP(p) += ptr->size / sizeof(Eterm); /* for binary gc (words)*/ @@ -2480,7 +2480,7 @@ offset_heap(Eterm* hp, Uint sz, Sint offs, char* area, Uint area_size) switch (primary_tag(val)) { case TAG_PRIMARY_LIST: case TAG_PRIMARY_BOXED: - if (in_area(ptr_val(val), area, area_size)) { + if (ErtsInArea(ptr_val(val), area, area_size)) { *hp = offset_ptr(val, offs); } hp++; @@ -2502,7 +2502,7 @@ offset_heap(Eterm* hp, Uint sz, Sint offs, char* area, Uint area_size) { struct erl_off_heap_header* oh = (struct erl_off_heap_header*) hp; - if (in_area(oh->next, area, area_size)) { + if (ErtsInArea(oh->next, area, area_size)) { Eterm** uptr = (Eterm **) (void *) &oh->next; *uptr += offs; /* Patch the mso chain */ } @@ -2512,7 +2512,7 @@ offset_heap(Eterm* hp, Uint sz, Sint offs, char* area, Uint area_size) { ErlBinMatchState *ms = (ErlBinMatchState*) hp; ErlBinMatchBuffer *mb = &(ms->mb); - if (in_area(ptr_val(mb->orig), area, area_size)) { + if (ErtsInArea(ptr_val(mb->orig), area, area_size)) { mb->orig = offset_ptr(mb->orig, offs); mb->base = binary_bytes(mb->orig); } @@ -2542,7 +2542,7 @@ offset_heap_ptr(Eterm* hp, Uint sz, Sint offs, char* area, Uint area_size) switch (primary_tag(val)) { case TAG_PRIMARY_LIST: case TAG_PRIMARY_BOXED: - if (in_area(ptr_val(val), area, area_size)) { + if (ErtsInArea(ptr_val(val), area, area_size)) { *hp = offset_ptr(val, offs); } hp++; @@ -2557,7 +2557,7 @@ offset_heap_ptr(Eterm* hp, Uint sz, Sint offs, char* area, Uint area_size) static void offset_off_heap(Process* p, Sint offs, char* area, Uint area_size) { - if (MSO(p).first && in_area((Eterm *)MSO(p).first, area, area_size)) { + if (MSO(p).first && ErtsInArea((Eterm *)MSO(p).first, area, area_size)) { Eterm** uptr = (Eterm**) (void *) &MSO(p).first; *uptr += offs; } @@ -2577,19 +2577,19 @@ offset_mqueue(Process *p, Sint offs, char* area, Uint area_size) switch (primary_tag(mesg)) { case TAG_PRIMARY_LIST: case TAG_PRIMARY_BOXED: - if (in_area(ptr_val(mesg), area, area_size)) { + if (ErtsInArea(ptr_val(mesg), area, area_size)) { ERL_MESSAGE_TERM(mp) = offset_ptr(mesg, offs); } break; } } mesg = ERL_MESSAGE_TOKEN(mp); - if (is_boxed(mesg) && in_area(ptr_val(mesg), area, area_size)) { + if (is_boxed(mesg) && ErtsInArea(ptr_val(mesg), area, area_size)) { ERL_MESSAGE_TOKEN(mp) = offset_ptr(mesg, offs); } #ifdef USE_VM_PROBES mesg = ERL_MESSAGE_DT_UTAG(mp); - if (is_boxed(mesg) && in_area(ptr_val(mesg), area, area_size)) { + if (is_boxed(mesg) && ErtsInArea(ptr_val(mesg), area, area_size)) { ERL_MESSAGE_DT_UTAG(mp) = offset_ptr(mesg, offs); } #endif diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h index d63e81cb5e..5db7ee6d7c 100644 --- a/erts/emulator/beam/sys.h +++ b/erts/emulator/beam/sys.h @@ -21,6 +21,19 @@ #ifndef __SYS_H__ #define __SYS_H__ +#if !defined(__GNUC__) +# define ERTS_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) 0 +#elif !defined(__GNUC_MINOR__) +# define ERTS_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) \ + ((__GNUC__ << 24) >= (((MAJ) << 24) | ((MIN) << 12) | (PL))) +#elif !defined(__GNUC_PATCHLEVEL__) +# define ERTS_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) \ + (((__GNUC__ << 24) | (__GNUC_MINOR__ << 12)) >= (((MAJ) << 24) | ((MIN) << 12) | (PL))) +#else +# define ERTS_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) \ + (((__GNUC__ << 24) | (__GNUC_MINOR__ << 12) | __GNUC_PATCHLEVEL__) >= (((MAJ) << 24) | ((MIN) << 12) | (PL))) +#endif + #ifdef ERTS_INLINE # ifndef ERTS_CAN_INLINE # define ERTS_CAN_INLINE 1 @@ -38,6 +51,17 @@ # endif #endif +#ifndef ERTS_FORCE_INLINE +# if ERTS_AT_LEAST_GCC_VSN__(3,1,1) +# define ERTS_FORCE_INLINE __inline__ __attribute__((__always_inline__)) +# elif defined(__WIN32__) +# define ERTS_FORCE_INLINE __forceinline +# endif +# ifndef ERTS_FORCE_INLINE +# define ERTS_FORCE_INLINE ERTS_INLINE +# endif +#endif + #if defined(DEBUG) || defined(ERTS_ENABLE_LOCK_CHECK) # undef ERTS_CAN_INLINE # define ERTS_CAN_INLINE 0 @@ -112,19 +136,6 @@ typedef int ErtsSysFdType; typedef ERTS_SYS_FD_TYPE ErtsSysFdType; #endif -#if !defined(__GNUC__) -# define ERTS_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) 0 -#elif !defined(__GNUC_MINOR__) -# define ERTS_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) \ - ((__GNUC__ << 24) >= (((MAJ) << 24) | ((MIN) << 12) | (PL))) -#elif !defined(__GNUC_PATCHLEVEL__) -# define ERTS_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) \ - (((__GNUC__ << 24) | (__GNUC_MINOR__ << 12)) >= (((MAJ) << 24) | ((MIN) << 12) | (PL))) -#else -# define ERTS_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) \ - (((__GNUC__ << 24) | (__GNUC_MINOR__ << 12) | __GNUC_PATCHLEVEL__) >= (((MAJ) << 24) | ((MIN) << 12) | (PL))) -#endif - #if ERTS_AT_LEAST_GCC_VSN__(2, 96, 0) # define ERTS_LIKELY(BOOL) __builtin_expect((BOOL), !0) # define ERTS_UNLIKELY(BOOL) __builtin_expect((BOOL), 0) |