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-rw-r--r--erts/emulator/beam/erl_alloc_util.c528
-rw-r--r--erts/emulator/beam/erl_alloc_util.h37
2 files changed, 557 insertions, 8 deletions
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);
@@ -4156,6 +4656,20 @@ erts_alcu_test(UWord op, UWord a1, UWord a2)
\* */
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)
{
UWord no;
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
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 23:07:36 +0000