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authorJohn Högberg <[email protected]>2017-06-22 13:22:13 +0200
committerJohn Högberg <[email protected]>2017-07-06 12:29:42 +0200
commitf3fa8288287072195baa791ee11d5480d3cd45ff (patch)
tree7099c828834a43fde1c3fde0a6c151bdf9042807
parente9bb277cc5cc8326c3c90ed82954f2ee14c1844b (diff)
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Allow toggling lock counting at runtime
The implementation is still hidden behind ERTS_ENABLE_LOCK_COUNT, and all categories are still enabled by default, but the actual counting can be toggled at will. OTP-13170
-rw-r--r--erts/emulator/beam/atom.c3
-rw-r--r--erts/emulator/beam/beam_bif_load.c7
-rw-r--r--erts/emulator/beam/beam_bp.c3
-rw-r--r--erts/emulator/beam/bif.c6
-rw-r--r--erts/emulator/beam/code_ix.c3
-rw-r--r--erts/emulator/beam/dist.c3
-rw-r--r--erts/emulator/beam/erl_alloc.c3
-rw-r--r--erts/emulator/beam/erl_alloc.h9
-rw-r--r--erts/emulator/beam/erl_alloc.types2
-rw-r--r--erts/emulator/beam/erl_alloc_util.c57
-rw-r--r--erts/emulator/beam/erl_alloc_util.h5
-rw-r--r--erts/emulator/beam/erl_async.c6
-rw-r--r--erts/emulator/beam/erl_bif_info.c181
-rw-r--r--erts/emulator/beam/erl_bif_unique.c6
-rw-r--r--erts/emulator/beam/erl_cpu_topology.c3
-rw-r--r--erts/emulator/beam/erl_db.c63
-rw-r--r--erts/emulator/beam/erl_db.h5
-rw-r--r--erts/emulator/beam/erl_db_hash.c24
-rw-r--r--erts/emulator/beam/erl_db_hash.h4
-rw-r--r--erts/emulator/beam/erl_drv_thread.c23
-rw-r--r--erts/emulator/beam/erl_fun.c3
-rw-r--r--erts/emulator/beam/erl_gc.c3
-rw-r--r--erts/emulator/beam/erl_init.c11
-rw-r--r--erts/emulator/beam/erl_instrument.c6
-rw-r--r--erts/emulator/beam/erl_lock_check.c5
-rw-r--r--erts/emulator/beam/erl_lock_count.c259
-rw-r--r--erts/emulator/beam/erl_lock_count.h287
-rw-r--r--erts/emulator/beam/erl_msacc.c6
-rw-r--r--erts/emulator/beam/erl_mtrace.c6
-rw-r--r--erts/emulator/beam/erl_nif.c3
-rw-r--r--erts/emulator/beam/erl_node_tables.c44
-rw-r--r--erts/emulator/beam/erl_node_tables.h4
-rw-r--r--erts/emulator/beam/erl_port_task.h8
-rw-r--r--erts/emulator/beam/erl_process.c33
-rw-r--r--erts/emulator/beam/erl_process_lock.c107
-rw-r--r--erts/emulator/beam/erl_process_lock.h3
-rw-r--r--erts/emulator/beam/erl_ptab.c3
-rw-r--r--erts/emulator/beam/erl_smp.h133
-rw-r--r--erts/emulator/beam/erl_threads.h348
-rw-r--r--erts/emulator/beam/erl_time_sup.c11
-rw-r--r--erts/emulator/beam/erl_trace.c10
-rw-r--r--erts/emulator/beam/export.c3
-rw-r--r--erts/emulator/beam/global.h3
-rw-r--r--erts/emulator/beam/io.c152
-rw-r--r--erts/emulator/beam/module.c3
-rw-r--r--erts/emulator/beam/register.c3
-rw-r--r--erts/emulator/beam/safe_hash.c23
-rw-r--r--erts/emulator/beam/safe_hash.h7
-rw-r--r--erts/emulator/drivers/common/efile_drv.c3
-rw-r--r--erts/emulator/hipe/hipe_bif0.c3
-rw-r--r--erts/emulator/sys/common/erl_check_io.c36
-rw-r--r--erts/emulator/sys/common/erl_check_io.h9
-rw-r--r--erts/emulator/sys/common/erl_mmap.c9
-rw-r--r--erts/emulator/sys/common/erl_mseg.c6
-rw-r--r--erts/emulator/sys/common/erl_poll.c38
-rw-r--r--erts/emulator/sys/common/erl_poll.h4
-rw-r--r--erts/emulator/sys/unix/sys.c3
-rw-r--r--erts/emulator/sys/unix/sys_time.c4
-rw-r--r--erts/emulator/sys/win32/erl_poll.c10
-rw-r--r--erts/emulator/sys/win32/sys_env.c3
-rw-r--r--erts/emulator/sys/win32/sys_time.c4
-rw-r--r--erts/etc/common/Makefile.in3
62 files changed, 1139 insertions, 899 deletions
diff --git a/erts/emulator/beam/atom.c b/erts/emulator/beam/atom.c
index 2055c29190..c2d78aaccb 100644
--- a/erts/emulator/beam/atom.c
+++ b/erts/emulator/beam/atom.c
@@ -442,7 +442,8 @@ init_atom_table(void)
erts_smp_atomic_init_nob(&atom_put_ops, 0);
#endif
- erts_smp_rwmtx_init_opt(&atom_table_lock, &rwmtx_opt, "atom_tab");
+ erts_smp_rwmtx_init_opt(&atom_table_lock, &rwmtx_opt, "atom_tab", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
f.hash = (H_FUN) atom_hash;
f.cmp = (HCMP_FUN) atom_cmp;
diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c
index 5aceae8ffe..ffa33d6303 100644
--- a/erts/emulator/beam/beam_bif_load.c
+++ b/erts/emulator/beam/beam_bif_load.c
@@ -97,7 +97,8 @@ init_purge_state(void)
{
purge_state.module = THE_NON_VALUE;
- erts_smp_mtx_init(&purge_state.mtx, "purge_state");
+ erts_smp_mtx_init(&purge_state.mtx, "purge_state", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
purge_state.pending_purge_lambda =
erts_export_put(am_erts_code_purger, am_pending_purge_lambda, 3);
@@ -118,7 +119,9 @@ init_purge_state(void)
void
erts_beam_bif_load_init(void)
{
- erts_smp_mtx_init(&release_literal_areas.mtx, "release_literal_areas");
+ erts_smp_mtx_init(&release_literal_areas.mtx, "release_literal_areas", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
+
release_literal_areas.first = NULL;
release_literal_areas.last = NULL;
erts_smp_atomic_init_nob(&erts_copy_literal_area__,
diff --git a/erts/emulator/beam/beam_bp.c b/erts/emulator/beam/beam_bp.c
index b9453c1d9a..950639f7ae 100644
--- a/erts/emulator/beam/beam_bp.c
+++ b/erts/emulator/beam/beam_bp.c
@@ -165,7 +165,8 @@ erts_bp_init(void) {
erts_smp_atomic32_init_nob(&erts_active_bp_index, 0);
erts_smp_atomic32_init_nob(&erts_staging_bp_index, 1);
#ifdef ERTS_DIRTY_SCHEDULERS
- erts_smp_mtx_init(&erts_dirty_bp_ix_mtx, "dirty_break_point_index");
+ erts_smp_mtx_init(&erts_dirty_bp_ix_mtx, "dirty_break_point_index", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_DEBUG);
#endif
}
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c
index 7134d2da56..b9384b28a1 100644
--- a/erts/emulator/beam/bif.c
+++ b/erts/emulator/beam/bif.c
@@ -62,9 +62,6 @@ static erts_smp_atomic32_t msacc;
static Export *await_sched_wall_time_mod_trap;
static erts_smp_atomic32_t sched_wall_time;
-static erts_smp_mtx_t ports_snapshot_mtx;
-erts_smp_atomic_t erts_dead_ports_ptr; /* To store dying ports during snapshot */
-
#define DECL_AM(S) Eterm AM_ ## S = am_atom_put(#S, sizeof(#S) - 1)
/*
@@ -5140,9 +5137,6 @@ void erts_init_trap_export(Export* ep, Eterm m, Eterm f, Uint a,
void erts_init_bif(void)
{
- erts_smp_mtx_init(&ports_snapshot_mtx, "ports_snapshot");
- erts_smp_atomic_init_nob(&erts_dead_ports_ptr, (erts_aint_t) NULL);
-
/*
* bif_return_trap/2 is a hidden BIF that bifs that need to
* yield the calling process traps to.
diff --git a/erts/emulator/beam/code_ix.c b/erts/emulator/beam/code_ix.c
index ec6267711b..8a3d1b20b4 100644
--- a/erts/emulator/beam/code_ix.c
+++ b/erts/emulator/beam/code_ix.c
@@ -57,7 +57,8 @@ void erts_code_ix_init(void)
*/
erts_smp_atomic32_init_nob(&the_active_code_index, 0);
erts_smp_atomic32_init_nob(&the_staging_code_index, 0);
- erts_smp_mtx_init(&code_write_permission_mtx, "code_write_permission");
+ erts_smp_mtx_init(&code_write_permission_mtx, "code_write_permission", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
#ifdef ERTS_ENABLE_LOCK_CHECK
erts_tsd_key_create(&has_code_write_permission,
"erts_has_code_write_permission");
diff --git a/erts/emulator/beam/dist.c b/erts/emulator/beam/dist.c
index 982f1066df..09fdb897f5 100644
--- a/erts/emulator/beam/dist.c
+++ b/erts/emulator/beam/dist.c
@@ -3223,7 +3223,8 @@ static ErtsNodesMonitor *nodes_monitors_end;
static void
init_nodes_monitors(void)
{
- erts_smp_mtx_init(&nodes_monitors_mtx, "nodes_monitors");
+ erts_smp_mtx_init(&nodes_monitors_mtx, "nodes_monitors", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_DISTRIBUTION);
nodes_monitors = NULL;
nodes_monitors_end = NULL;
}
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c
index 169e1e423d..c7ab444c96 100644
--- a/erts/emulator/beam/erl_alloc.c
+++ b/erts/emulator/beam/erl_alloc.c
@@ -3819,7 +3819,8 @@ hdbg_init(void)
hdbg_mblks[ERL_ALC_HDBG_MAX_MBLK-1].next = NULL;
free_hdbg_mblks = &hdbg_mblks[0];
used_hdbg_mblks = NULL;
- erts_mtx_init(&hdbg_mblk_mtx, "erts_alloc_hard_debug");
+ erts_mtx_init(&hdbg_mblk_mtx, "erts_alloc_hard_debug", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_ALLOCATOR);
}
static void *check_memory_fence(void *ptr,
diff --git a/erts/emulator/beam/erl_alloc.h b/erts/emulator/beam/erl_alloc.h
index 758d529f87..d743c62a02 100644
--- a/erts/emulator/beam/erl_alloc.h
+++ b/erts/emulator/beam/erl_alloc.h
@@ -344,7 +344,8 @@ ERTS_QUICK_ALLOC_IMPL(NAME, TYPE, PASZ, ALCT, \
#define ERTS_SMP_QUALLOC_IMPL(NAME, TYPE, PASZ, ALCT) \
static erts_smp_spinlock_t NAME##_lck; \
ERTS_QUICK_ALLOC_IMPL(NAME, TYPE, PASZ, ALCT, \
- erts_smp_spinlock_init(&NAME##_lck, #NAME "_alloc_lock"),\
+ erts_smp_spinlock_init(&NAME##_lck, #NAME "_alloc_lock", NIL, \
+ ERTS_LOCK_FLAGS_CATEGORY_ALLOCATOR),\
erts_smp_spin_lock(&NAME##_lck), \
erts_smp_spin_unlock(&NAME##_lck))
@@ -358,7 +359,8 @@ ERTS_SMP_QUALLOC_IMPL(NAME, TYPE, PASZ, ALCT)
#define ERTS_TS_QUALLOC_IMPL(NAME, TYPE, PASZ, ALCT) \
static erts_mtx_t NAME##_lck; \
ERTS_QUICK_ALLOC_IMPL(NAME, TYPE, PASZ, ALCT, \
- erts_mtx_init(NAME##_lck, #NAME "_alloc_lock"), \
+ erts_mtx_init(NAME##_lck, #NAME "_alloc_lock", NIL, \
+ ERTS_LOCK_FLAGS_CATEGORY_ALLOCATOR),\
erts_mtx_lock(&NAME##_lck), \
erts_mtx_unlock(&NAME##_lck))
@@ -371,7 +373,8 @@ ERTS_PRE_ALLOC_IMPL(NAME, TYPE, PASZ, (void) 0, (void) 0, (void) 0)
#define ERTS_TS_PALLOC_IMPL(NAME, TYPE, PASZ) \
static erts_spinlock_t NAME##_lck; \
ERTS_PRE_ALLOC_IMPL(NAME, TYPE, PASZ, \
- erts_spinlock_init(&NAME##_lck, #NAME "_alloc_lock"),\
+ erts_spinlock_init(&NAME##_lck, #NAME "_alloc_lock", NIL, \
+ ERTS_LOCK_FLAGS_CATEGORY_ALLOCATOR),\
erts_spin_lock(&NAME##_lck), \
erts_spin_unlock(&NAME##_lck))
diff --git a/erts/emulator/beam/erl_alloc.types b/erts/emulator/beam/erl_alloc.types
index c155630765..50a1d97dd5 100644
--- a/erts/emulator/beam/erl_alloc.types
+++ b/erts/emulator/beam/erl_alloc.types
@@ -371,7 +371,7 @@ type SSB SHORT_LIVED PROCESSES ssb
+if lcnt
type LCNT_CARRIER STANDARD SYSTEM lcnt_lock_info_carrier
-type LCNT_VECTOR SHORT_LIVED SYSTEM lcnt_lock_info_vector
+type LCNT_VECTOR SHORT_LIVED SYSTEM lcnt_sample_vector
+endif
diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c
index 4889fac923..c246143b3f 100644
--- a/erts/emulator/beam/erl_alloc_util.c
+++ b/erts/emulator/beam/erl_alloc_util.c
@@ -6135,16 +6135,8 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init)
if (init->ts) {
allctr->thread_safe = 1;
-#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_mtx_init_x_opt(&allctr->mutex,
- "alcu_allocator",
- make_small(allctr->alloc_no),
- ERTS_LCNT_LT_ALLOC);
-#else
- erts_mtx_init_x(&allctr->mutex,
- "alcu_allocator",
- make_small(allctr->alloc_no));
-#endif /*ERTS_ENABLE_LOCK_COUNT*/
+ erts_mtx_init(&allctr->mutex, "alcu_allocator", make_small(allctr->alloc_no),
+ ERTS_LOCK_FLAGS_CATEGORY_ALLOCATOR);
#ifdef DEBUG
allctr->debug.saved_tid = 0;
@@ -6324,7 +6316,8 @@ erts_alcu_init(AlcUInit_t *init)
carrier_alignment = sizeof(Unit_t);
#endif
- erts_mtx_init(&init_atoms_mtx, "alcu_init_atoms");
+ erts_mtx_init(&init_atoms_mtx, "alcu_init_atoms", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_ALLOCATOR);
atoms_initialized = 0;
initialized = 1;
@@ -6592,3 +6585,45 @@ check_blk_carrier(Allctr_t *allctr, Block_t *iblk)
#endif /* ERTS_ALLOC_UTIL_HARD_DEBUG */
+#ifdef ERTS_ENABLE_LOCK_COUNT
+
+static void lcnt_enable_allocator_lock_count(Allctr_t *allocator, int enable) {
+ if(!allocator->thread_safe) {
+ return;
+ }
+
+ if(enable) {
+ erts_lcnt_install_new_lock_info(&allocator->mutex.lcnt,
+ "alcu_allocator", make_small(allocator->alloc_no),
+ ERTS_LOCK_TYPE_MUTEX | ERTS_LOCK_FLAGS_CATEGORY_ALLOCATOR);
+ } else {
+ erts_lcnt_uninstall(&allocator->mutex.lcnt);
+ }
+}
+
+static void lcnt_update_thread_spec_locks(ErtsAllocatorThrSpec_t *tspec, int enable) {
+ if(tspec->enabled) {
+ int i;
+
+ for(i = 0; i < tspec->size; i++) {
+ lcnt_enable_allocator_lock_count(tspec->allctr[i], enable);
+ }
+ }
+}
+
+void erts_lcnt_update_allocator_locks(int enable) {
+ int i;
+
+ for(i = ERTS_ALC_A_MIN; i < ERTS_ALC_A_MAX; i++) {
+ ErtsAllocatorInfo_t *ai = &erts_allctrs_info[i];
+
+ if(ai->enabled && ai->alloc_util) {
+ if(ai->thr_spec) {
+ lcnt_update_thread_spec_locks((ErtsAllocatorThrSpec_t*)ai->extra, enable);
+ } else {
+ lcnt_enable_allocator_lock_count((Allctr_t*)ai->extra, enable);
+ }
+ }
+ }
+}
+#endif /* ERTS_ENABLE_LOCK_COUNT */
diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h
index f570703f25..431ce430be 100644
--- a/erts/emulator/beam/erl_alloc_util.h
+++ b/erts/emulator/beam/erl_alloc_util.h
@@ -227,6 +227,10 @@ void* erts_alcu_literal_32_sys_realloc(Allctr_t*, void *ptr, Uint *size_p, Uint
void erts_alcu_literal_32_sys_dealloc(Allctr_t*, void *ptr, Uint size, int superalign);
#endif
+#ifdef ERTS_ENABLE_LOCK_COUNT
+void erts_lcnt_update_allocator_locks(int enable);
+#endif
+
#endif /* !ERL_ALLOC_UTIL__ */
#if defined(GET_ERL_ALLOC_UTIL_IMPL) && !defined(ERL_ALLOC_UTIL_IMPL__)
@@ -680,7 +684,6 @@ void erts_alcu_assert_failed(char* expr, char* file, int line, char *func);
int is_sbc_blk(Block_t*);
#endif
-
#endif /* #if defined(GET_ERL_ALLOC_UTIL_IMPL)
&& !defined(ERL_ALLOC_UTIL_IMPL__) */
diff --git a/erts/emulator/beam/erl_async.c b/erts/emulator/beam/erl_async.c
index 84254af0c2..9a93034fcb 100644
--- a/erts/emulator/beam/erl_async.c
+++ b/erts/emulator/beam/erl_async.c
@@ -194,7 +194,8 @@ erts_init_async(void)
ptr += ERTS_ALC_CACHE_LINE_ALIGN_SIZE(sizeof(ErtsAsyncData));
async->init.data.no_initialized = 0;
- erts_mtx_init(&async->init.data.mtx, "async_init_mtx");
+ erts_mtx_init(&async->init.data.mtx, "async_init_mtx", NIL,
+ ERTS_LOCK_FLAGS_CATEGORY_SCHEDULER);
erts_cnd_init(&async->init.data.cnd);
erts_atomic_init_nob(&async->init.data.id, 0);
@@ -213,7 +214,8 @@ erts_init_async(void)
for (i = 1; i <= erts_no_schedulers; i++) {
ErtsAsyncReadyQ *arq = async_ready_q(i);
#if ERTS_USE_ASYNC_READY_ENQ_MTX
- erts_mtx_init(&arq->x.data.enq_mtx, "async_enq_mtx");
+ erts_mtx_init(&arq->x.data.enq_mtx, "async_enq_mtx", make_small(i),
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_SCHEDULER);
#endif
erts_thr_q_finalize_dequeue_state_init(&arq->fin_deq);
qinit.arg = (void *) (SWord) i;
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index 8f7de32f12..02e34014e3 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -4431,44 +4431,56 @@ BIF_RETTYPE erts_debug_set_internal_state_2(BIF_ALIST_2)
#ifdef ERTS_ENABLE_LOCK_COUNT
-typedef struct lcnt_lock_info_vector_ {
- erts_lcnt_lock_info_t **elements;
+typedef struct {
+ /* info->location_count may increase between size calculation and term
+ * building, so we cap it at the value sampled in lcnt_build_result_vector.
+ *
+ * Shrinking is safe though. */
+ int max_location_count;
+ erts_lcnt_lock_info_t *info;
+} lcnt_sample_t;
+
+typedef struct lcnt_sample_vector_ {
+ lcnt_sample_t *elements;
size_t size;
-} lcnt_lock_info_vector_t;
+} lcnt_sample_vector_t;
-static lcnt_lock_info_vector_t lcnt_build_lock_info_vector(erts_lcnt_lock_info_list_t *list) {
+static lcnt_sample_vector_t lcnt_build_sample_vector(erts_lcnt_lock_info_list_t *list) {
erts_lcnt_lock_info_t *iterator;
- lcnt_lock_info_vector_t result;
+ lcnt_sample_vector_t result;
size_t allocated_entries;
allocated_entries = 64;
result.size = 0;
result.elements = erts_alloc(ERTS_ALC_T_LCNT_VECTOR,
- allocated_entries * sizeof(erts_lcnt_lock_info_t*));
+ allocated_entries * sizeof(lcnt_sample_t));
iterator = NULL;
while(erts_lcnt_iterate_list(list, &iterator)) {
erts_lcnt_retain_lock_info(iterator);
- result.elements[result.size++] = iterator;
+ result.elements[result.size].max_location_count = iterator->location_count;
+ result.elements[result.size].info = iterator;
+
+ result.size++;
if(result.size >= allocated_entries) {
allocated_entries *= 2;
result.elements = erts_realloc(ERTS_ALC_T_LCNT_VECTOR, result.elements,
- allocated_entries * sizeof(erts_lcnt_lock_info_t*));
+ allocated_entries * sizeof(lcnt_sample_t));
}
}
return result;
}
-static void lcnt_destroy_lock_info_vector(lcnt_lock_info_vector_t *vector) {
+static void lcnt_destroy_sample_vector(lcnt_sample_vector_t *vector) {
size_t i;
for(i = 0; i < vector->size; i++) {
- erts_lcnt_release_lock_info(vector->elements[i]);
+ erts_lcnt_release_lock_info(vector->elements[i].info);
}
erts_free(ERTS_ALC_T_LCNT_VECTOR, vector->elements);
@@ -4508,9 +4520,9 @@ static Eterm lcnt_build_lock_stats_term(Eterm **hpp, Uint *szp, erts_lcnt_lock_s
Eterm thist, vhist[ERTS_LCNT_HISTOGRAM_SLOT_SIZE];
/* term:
- * [{{file, line}, {tries, colls, {seconds, nanoseconds, n_blocks}},
- * { .. histogram .. }]
- */
+ * [{{file, line},
+ {tries, colls, {seconds, nanoseconds, n_blocks}},
+ * { .. histogram .. }] */
file = stats->file ? stats->file : "undefined";
@@ -4543,13 +4555,7 @@ static Eterm lcnt_build_lock_stats_term(Eterm **hpp, Uint *szp, erts_lcnt_lock_s
static Eterm lcnt_pretty_print_lock_id(erts_lcnt_lock_info_t *info) {
Eterm id = info->id;
- if(info->flag & ERTS_LCNT_LT_ALLOC) {
- /* Use allocator type names as id's for allocator locks. This blatantly
- * assumes that all locks in this category are identified by their
- * allocator number. */
- const char *ltype = (const char*)ERTS_ALC_A2AD(signed_val(info->id));
- id = erts_atom_put((byte*)ltype, strlen(ltype), ERTS_ATOM_ENC_LATIN1, 1);
- } else if(info->flag & ERTS_LCNT_LT_PROCLOCK) {
+ if((info->flags & ERTS_LOCK_FLAGS_MASK_TYPE) == ERTS_LOCK_TYPE_PROCLOCK) {
/* Use registered names as id's for process locks if available. Thread
* progress is delayed since we may be running on a dirty scheduler. */
ErtsThrPrgrDelayHandle delay_handle;
@@ -4563,27 +4569,30 @@ static Eterm lcnt_pretty_print_lock_id(erts_lcnt_lock_info_t *info) {
}
erts_thr_progress_unmanaged_continue(delay_handle);
+ } else if(info->flags & ERTS_LOCK_FLAGS_CATEGORY_ALLOCATOR) {
+ if(is_small(id) && !sys_strcmp(info->name, "alcu_allocator")) {
+ const char *name = (const char*)ERTS_ALC_A2AD(signed_val(id));
+ id = erts_atom_put((byte*)name, strlen(name), ERTS_ATOM_ENC_LATIN1, 1);
+ }
}
return id;
}
-static Eterm lcnt_build_lock_term(Eterm **hpp, Uint *szp, erts_lcnt_lock_info_t *info, Eterm res) {
+static Eterm lcnt_build_lock_term(Eterm **hpp, Uint *szp, lcnt_sample_t *sample, Eterm res) {
+ erts_lcnt_lock_info_t *info = sample->info;
+
Eterm name, type, id, stats = NIL, t;
- const char *ltype;
+ const char *lock_desc;
int i;
-
- /* term:
- * [{name, id, type, stats()}]
- */
+
+ /* term: [{name, id, type, stats()}] */
ASSERT(info->name);
- ltype = erts_lcnt_lock_type(info->flag);
-
- ASSERT(ltype);
-
- type = erts_atom_put((byte*)ltype, strlen(ltype), ERTS_ATOM_ENC_LATIN1, 1);
+ lock_desc = erts_lock_flags_get_type_name(info->flags);
+
+ type = erts_atom_put((byte*)lock_desc, strlen(lock_desc), ERTS_ATOM_ENC_LATIN1, 1);
name = erts_atom_put((byte*)info->name, strlen(info->name), ERTS_ATOM_ENC_LATIN1, 1);
/* Only attempt to resolve ids when actually emitting the term. This ought
@@ -4594,8 +4603,7 @@ static Eterm lcnt_build_lock_term(Eterm **hpp, Uint *szp, erts_lcnt_lock_info_t
id = NIL;
}
- /* info->location_count is ignored since it can be changed at any time. */
- for(i = 0; i < ERTS_LCNT_MAX_LOCK_LOCATIONS; i++) {
+ for(i = 0; i < MIN(info->location_count, sample->max_location_count); i++) {
stats = lcnt_build_lock_stats_term(hpp, szp, &(info->location_stats[i]), stats);
}
@@ -4606,18 +4614,15 @@ static Eterm lcnt_build_lock_term(Eterm **hpp, Uint *szp, erts_lcnt_lock_info_t
}
static Eterm lcnt_build_result_term(Eterm **hpp, Uint *szp, erts_lcnt_time_t *duration,
- lcnt_lock_info_vector_t *current_locks,
- lcnt_lock_info_vector_t *deleted_locks, Eterm res) {
- Eterm dts, dtns, tdt, adur, tdur, aloc, lloc = NIL, tloc;
+ lcnt_sample_vector_t *current_locks,
+ lcnt_sample_vector_t *deleted_locks, Eterm res) {
+ const char *str_duration = "duration";
+ const char *str_locks = "locks";
+ Eterm dts, dtns, tdt, adur, tdur, aloc, lloc = NIL, tloc;
size_t i;
- char *str_duration = "duration";
- char *str_locks = "locks";
-
- /* term:
- * [{'duration', {seconds, nanoseconds}}, {'locks', locks()}]
- */
+ /* term: [{'duration', {seconds, nanoseconds}}, {'locks', locks()}] */
/* duration tuple */
dts = bld_unstable_uint64(hpp, szp, duration->s);
@@ -4628,15 +4633,14 @@ static Eterm lcnt_build_result_term(Eterm **hpp, Uint *szp, erts_lcnt_time_t *du
tdur = erts_bld_tuple(hpp, szp, 2, adur, tdt);
/* lock tuple */
-
aloc = erts_atom_put((byte *)str_locks, strlen(str_locks), ERTS_ATOM_ENC_LATIN1, 1);
for(i = 0; i < current_locks->size; i++) {
- lloc = lcnt_build_lock_term(hpp, szp, current_locks->elements[i], lloc);
+ lloc = lcnt_build_lock_term(hpp, szp, &current_locks->elements[i], lloc);
}
for(i = 0; i < deleted_locks->size; i++) {
- lloc = lcnt_build_lock_term(hpp, szp, deleted_locks->elements[i], lloc);
+ lloc = lcnt_build_lock_term(hpp, szp, &deleted_locks->elements[i], lloc);
}
tloc = erts_bld_tuple(hpp, szp, 2, aloc, lloc);
@@ -4647,6 +4651,26 @@ static Eterm lcnt_build_result_term(Eterm **hpp, Uint *szp, erts_lcnt_time_t *du
return res;
}
+static erts_lock_flags_t lcnt_atom_to_lock_category(Eterm atom) {
+ if(ERTS_IS_ATOM_STR("generic", atom)) {
+ return ERTS_LOCK_FLAGS_CATEGORY_GENERIC;
+ } else if(ERTS_IS_ATOM_STR("allocator", atom)) {
+ return ERTS_LOCK_FLAGS_CATEGORY_ALLOCATOR;
+ } else if(ERTS_IS_ATOM_STR("scheduler", atom)) {
+ return ERTS_LOCK_FLAGS_CATEGORY_SCHEDULER;
+ } else if(ERTS_IS_ATOM_STR("process", atom)) {
+ return ERTS_LOCK_FLAGS_CATEGORY_PROCESS;
+ } else if(ERTS_IS_ATOM_STR("db", atom)) {
+ return ERTS_LOCK_FLAGS_CATEGORY_DB;
+ } else if(ERTS_IS_ATOM_STR("io", atom)) {
+ return ERTS_LOCK_FLAGS_CATEGORY_IO;
+ } else if(ERTS_IS_ATOM_STR("debug", atom)) {
+ return ERTS_LOCK_FLAGS_CATEGORY_DEBUG;
+ }
+
+ return 0;
+}
+
#endif
BIF_RETTYPE erts_debug_lock_counters_1(BIF_ALIST_1)
@@ -4662,7 +4686,7 @@ BIF_RETTYPE erts_debug_lock_counters_1(BIF_ALIST_1)
if (BIF_ARG_1 == am_enabled) {
BIF_RET(am_true);
} else if (BIF_ARG_1 == am_info) {
- lcnt_lock_info_vector_t current_locks, deleted_locks;
+ lcnt_sample_vector_t current_locks, deleted_locks;
erts_lcnt_data_t data;
Eterm *term_heap_start, *term_heap_end;
@@ -4671,8 +4695,8 @@ BIF_RETTYPE erts_debug_lock_counters_1(BIF_ALIST_1)
data = erts_lcnt_get_data();
- current_locks = lcnt_build_lock_info_vector(data.current_locks);
- deleted_locks = lcnt_build_lock_info_vector(data.deleted_locks);
+ current_locks = lcnt_build_sample_vector(data.current_locks);
+ deleted_locks = lcnt_build_sample_vector(data.deleted_locks);
lcnt_build_result_term(NULL, &term_heap_size, &data.duration,
&current_locks, &deleted_locks, NIL);
@@ -4685,8 +4709,8 @@ BIF_RETTYPE erts_debug_lock_counters_1(BIF_ALIST_1)
HRelease(BIF_P, term_heap_start + term_heap_size, term_heap_end);
- lcnt_destroy_lock_info_vector(&current_locks);
- lcnt_destroy_lock_info_vector(&deleted_locks);
+ lcnt_destroy_sample_vector(&current_locks);
+ lcnt_destroy_sample_vector(&deleted_locks);
BIF_RET(result);
} else if (BIF_ARG_1 == am_clear) {
@@ -4696,46 +4720,39 @@ BIF_RETTYPE erts_debug_lock_counters_1(BIF_ALIST_1)
} else if (is_tuple(BIF_ARG_1)) {
Eterm* ptr = tuple_val(BIF_ARG_1);
- if ((arityval(ptr[0]) == 2) && (ptr[2] == am_false || ptr[2] == am_true)) {
- Eterm res;
-
- int lock_opt = 0, enable = (ptr[2] == am_true) ? 1 : 0;
- if (ERTS_IS_ATOM_STR("copy_save", ptr[1])) {
- lock_opt = ERTS_LCNT_OPT_COPYSAVE;
- } else if (ERTS_IS_ATOM_STR("process_locks", ptr[1])) {
- lock_opt = ERTS_LCNT_OPT_PROCLOCK;
- } else if (ERTS_IS_ATOM_STR("port_locks", ptr[1])) {
- lock_opt = ERTS_LCNT_OPT_PORTLOCK;
- } else if (ERTS_IS_ATOM_STR("location", ptr[1])) {
- lock_opt = ERTS_LCNT_OPT_LOCATION;
- } else {
+ if(arityval(ptr[0]) != 2) {
+ BIF_ERROR(BIF_P, BADARG);
+ } else if(ERTS_IS_ATOM_STR("mask", ptr[1])) {
+ erts_lock_flags_t category_mask = 0;
+ Eterm categories = ptr[2];
+
+ if(!(is_list(categories) || is_nil(categories))) {
BIF_ERROR(BIF_P, BADARG);
}
- if (enable) {
- res = erts_lcnt_set_rt_opt(lock_opt) ? am_true : am_false;
- } else {
- res = erts_lcnt_clear_rt_opt(lock_opt) ? am_true : am_false;
- }
+ while(is_list(categories)) {
+ Eterm *cell = list_val(categories);
+ erts_lock_flags_t category;
-#ifdef ERTS_SMP
- /* FIXME: make this non-blocking. */
- erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN);
- erts_smp_thr_progress_block();
-#endif
+ category = lcnt_atom_to_lock_category(CAR(cell));
+
+ if(!category) {
+ /* Return {error, bad_category, Category}? Or leave that to
+ * the lcnt module? */
+ BIF_ERROR(BIF_P, BADARG);
+ }
- if (res != ptr[2] && lock_opt == ERTS_LCNT_OPT_PORTLOCK) {
- erts_lcnt_enable_io_lock_count(enable);
- } else if (res != ptr[2] && lock_opt == ERTS_LCNT_OPT_PROCLOCK) {
- erts_lcnt_enable_proc_lock_count(enable);
+ category_mask |= category;
+ categories = CDR(cell);
}
-#ifdef ERTS_SMP
- erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN);
- erts_smp_thr_progress_unblock();
-#endif
+ erts_lcnt_set_category_mask(category_mask);
+
+ BIF_RET(am_ok);
+ } else if(ERTS_IS_ATOM_STR("copy_save", ptr[1]) &&
+ (ptr[2] == am_true || ptr[2] == am_false)) {
- BIF_RET(res);
+ erts_lcnt_set_preserve_info(ptr[2] == am_true);
}
}
diff --git a/erts/emulator/beam/erl_bif_unique.c b/erts/emulator/beam/erl_bif_unique.c
index fc6fb5f868..2f8adc87d5 100644
--- a/erts/emulator/beam/erl_bif_unique.c
+++ b/erts/emulator/beam/erl_bif_unique.c
@@ -392,7 +392,8 @@ init_magic_ref_tables(void)
erts_snprintf(&tblp->name[0], sizeof(tblp->name),
"magic_ref_table_0");
hash_init(0, &tblp->hash, &tblp->name[0], 1, hash_funcs);
- erts_rwmtx_init(&tblp->rwmtx, "magic_ref_table");
+ erts_rwmtx_init(&tblp->rwmtx, "magic_ref_table", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
hash_funcs.hash = nsched_mreft_hash;
hash_funcs.cmp = nsched_mreft_cmp;
@@ -402,7 +403,8 @@ init_magic_ref_tables(void)
erts_snprintf(&tblp->name[0], sizeof(tblp->name),
"magic_ref_table_%d", i);
hash_init(0, &tblp->hash, &tblp->name[0], 1, hash_funcs);
- erts_rwmtx_init(&tblp->rwmtx, "magic_ref_table");
+ erts_rwmtx_init(&tblp->rwmtx, "magic_ref_table", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
}
}
diff --git a/erts/emulator/beam/erl_cpu_topology.c b/erts/emulator/beam/erl_cpu_topology.c
index 4347f9f2b7..9f3a96fa1e 100644
--- a/erts/emulator/beam/erl_cpu_topology.c
+++ b/erts/emulator/beam/erl_cpu_topology.c
@@ -1706,7 +1706,8 @@ erts_init_cpu_topology(void)
{
int ix;
- erts_smp_rwmtx_init(&cpuinfo_rwmtx, "cpu_info");
+ erts_smp_rwmtx_init(&cpuinfo_rwmtx, "cpu_info", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
erts_smp_rwmtx_rwlock(&cpuinfo_rwmtx);
scheduler2cpu_map = erts_alloc(ERTS_ALC_T_CPUDATA,
diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c
index 17e0f2aeec..b83134c79c 100644
--- a/erts/emulator/beam/erl_db.c
+++ b/erts/emulator/beam/erl_db.c
@@ -575,9 +575,7 @@ delete_owned_table(Process *p, DbTable *tb)
table_dec_refc(tb, 1);
}
-
-static ERTS_INLINE void db_init_lock(DbTable* tb, int use_frequent_read_lock,
- char *rwname, char* fixname)
+static ERTS_INLINE void db_init_lock(DbTable* tb, int use_frequent_read_lock)
{
#ifdef ERTS_SMP
erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_RWMTX_OPT_DEFAULT_INITER;
@@ -587,9 +585,10 @@ static ERTS_INLINE void db_init_lock(DbTable* tb, int use_frequent_read_lock,
rwmtx_opt.main_spincount = erts_ets_rwmtx_spin_count;
#endif
#ifdef ERTS_SMP
- erts_smp_rwmtx_init_opt_x(&tb->common.rwlock, &rwmtx_opt,
- rwname, tb->common.the_name);
- erts_smp_mtx_init_x(&tb->common.fixlock, fixname, tb->common.the_name);
+ erts_smp_rwmtx_init_opt(&tb->common.rwlock, &rwmtx_opt, "db_tab",
+ tb->common.the_name, ERTS_LOCK_FLAGS_CATEGORY_DB);
+ erts_smp_mtx_init(&tb->common.fixlock, "db_tab_fix",
+ tb->common.the_name, ERTS_LOCK_FLAGS_CATEGORY_DB);
tb->common.is_thread_safe = !(tb->common.status & DB_FINE_LOCKED);
#endif
}
@@ -1753,8 +1752,7 @@ BIF_RETTYPE ets_new_2(BIF_ALIST_2)
/* Note, 'type' is *read only* from now on... */
#endif
erts_smp_refc_init(&tb->common.fix_count, 0);
- db_init_lock(tb, status & (DB_FINE_LOCKED|DB_FREQ_READ),
- "db_tab", "db_tab_fix");
+ db_init_lock(tb, status & (DB_FINE_LOCKED|DB_FREQ_READ));
tb->common.keypos = keypos;
tb->common.owner = BIF_P->common.id;
set_heir(BIF_P, tb, heir, heir_data);
@@ -3391,8 +3389,9 @@ void init_db(ErtsDbSpinCount db_spin_count)
rwmtx_opt.main_spincount = erts_ets_rwmtx_spin_count;
for (i=0; i<META_NAME_TAB_LOCK_CNT; i++) {
- erts_smp_rwmtx_init_opt_x(&meta_name_tab_rwlocks[i].lck, &rwmtx_opt,
- "meta_name_tab", make_small(i));
+ erts_smp_rwmtx_init_opt(&meta_name_tab_rwlocks[i].lck, &rwmtx_opt,
+ "meta_name_tab", make_small(i),
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_DB);
}
#endif
@@ -4334,3 +4333,47 @@ erts_ets_colliding_names(Process* p, Eterm name, Uint cnt)
return list;
}
+#ifdef ERTS_ENABLE_LOCK_COUNT
+
+void erts_lcnt_enable_db_lock_count(DbTable *tb, int enable) {
+ if(enable) {
+ erts_lcnt_install_new_lock_info(&tb->common.rwlock.lcnt, "db_tab",
+ tb->common.the_name, ERTS_LOCK_TYPE_RWMUTEX | ERTS_LOCK_FLAGS_CATEGORY_DB);
+ erts_lcnt_install_new_lock_info(&tb->common.fixlock.lcnt, "db_tab_fix",
+ tb->common.the_name, ERTS_LOCK_TYPE_MUTEX | ERTS_LOCK_FLAGS_CATEGORY_DB);
+ } else {
+ erts_lcnt_uninstall(&tb->common.rwlock.lcnt);
+ erts_lcnt_uninstall(&tb->common.fixlock.lcnt);
+ }
+
+ if(IS_HASH_TABLE(tb->common.status)) {
+ erts_lcnt_enable_db_hash_lock_count(&tb->hash, enable);
+ }
+}
+
+static void lcnt_update_db_locks_per_sched(void *enable) {
+ ErtsSchedulerData *esdp;
+ DbTable *head;
+
+ esdp = erts_get_scheduler_data();
+ head = esdp->ets_tables.clist;
+
+ if(head) {
+ DbTable *iterator = head;
+
+ do {
+ if(is_table_alive(iterator)) {
+ erts_lcnt_enable_db_lock_count(iterator, !!enable);
+ }
+
+ iterator = iterator->common.all.next;
+ } while (iterator != head);
+ }
+}
+
+void erts_lcnt_update_db_locks(int enable) {
+ erts_schedule_multi_misc_aux_work(0, erts_no_schedulers,
+ &lcnt_update_db_locks_per_sched, (void*)(UWord)enable);
+}
+
+#endif /* ERTS_ENABLE_LOCK_COUNT */ \ No newline at end of file
diff --git a/erts/emulator/beam/erl_db.h b/erts/emulator/beam/erl_db.h
index 4ff9f224e8..d83126b3a2 100644
--- a/erts/emulator/beam/erl_db.h
+++ b/erts/emulator/beam/erl_db.h
@@ -129,6 +129,11 @@ extern erts_smp_atomic_t erts_ets_misc_mem_size;
Eterm erts_ets_colliding_names(Process*, Eterm name, Uint cnt);
Uint erts_db_get_max_tabs(void);
+#ifdef ERTS_ENABLE_LOCK_COUNT
+void erts_lcnt_enable_db_lock_count(DbTable *tb, int enable);
+void erts_lcnt_update_db_locks(int enable);
+#endif
+
#endif /* ERL_DB_H__ */
#if defined(ERTS_WANT_DB_INTERNAL__) && !defined(ERTS_HAVE_DB_INTERNAL__)
diff --git a/erts/emulator/beam/erl_db_hash.c b/erts/emulator/beam/erl_db_hash.c
index 08a0f0e83b..ae9322dfd3 100644
--- a/erts/emulator/beam/erl_db_hash.c
+++ b/erts/emulator/beam/erl_db_hash.c
@@ -675,8 +675,8 @@ int db_create_hash(Process *p, DbTable *tbl)
(DbTable *) tb,
sizeof(DbTableHashFineLocks));
for (i=0; i<DB_HASH_LOCK_CNT; ++i) {
- erts_smp_rwmtx_init_opt_x(&tb->locks->lck_vec[i].lck, &rwmtx_opt,
- "db_hash_slot", make_small(i));
+ erts_smp_rwmtx_init_opt(&tb->locks->lck_vec[i].lck, &rwmtx_opt,
+ "db_hash_slot", tb->common.the_name, ERTS_LOCK_FLAGS_CATEGORY_DB);
}
/* This important property is needed to guarantee the two buckets
* involved in a grow/shrink operation it protected by the same lock:
@@ -3206,3 +3206,23 @@ Eterm erts_ets_hash_sizeof_ext_segtab(void)
return make_small(((SIZEOF_EXT_SEGTAB(0)-1) / sizeof(UWord)) + 1);
}
+#ifdef ERTS_ENABLE_LOCK_COUNT
+void erts_lcnt_enable_db_hash_lock_count(DbTableHash *tb, int enable) {
+ int i;
+
+ if(tb->locks == NULL) {
+ return;
+ }
+
+ for(i = 0; i < DB_HASH_LOCK_CNT; i++) {
+ erts_lcnt_ref_t *ref = &tb->locks->lck_vec[i].lck.lcnt;
+
+ if(enable) {
+ erts_lcnt_install_new_lock_info(ref, "db_hash_slot", tb->common.the_name,
+ ERTS_LOCK_TYPE_RWMUTEX | ERTS_LOCK_FLAGS_CATEGORY_DB);
+ } else {
+ erts_lcnt_uninstall(ref);
+ }
+ }
+}
+#endif /* ERTS_ENABLE_LOCK_COUNT */
diff --git a/erts/emulator/beam/erl_db_hash.h b/erts/emulator/beam/erl_db_hash.h
index f491c85d95..523ed7860e 100644
--- a/erts/emulator/beam/erl_db_hash.h
+++ b/erts/emulator/beam/erl_db_hash.h
@@ -103,4 +103,8 @@ typedef struct {
void db_calc_stats_hash(DbTableHash* tb, DbHashStats*);
Eterm erts_ets_hash_sizeof_ext_segtab(void);
+#ifdef ERTS_ENABLE_LOCK_COUNT
+void erts_lcnt_enable_db_hash_lock_count(DbTableHash *tb, int enable);
+#endif
+
#endif /* _DB_HASH_H */
diff --git a/erts/emulator/beam/erl_drv_thread.c b/erts/emulator/beam/erl_drv_thread.c
index 3b68abe5d7..49bbab55a8 100644
--- a/erts/emulator/beam/erl_drv_thread.c
+++ b/erts/emulator/beam/erl_drv_thread.c
@@ -146,7 +146,8 @@ void erl_drv_thr_init(void)
sizeof(char *)*ERL_DRV_TSD_KEYS_INC);
for (i = 0; i < ERL_DRV_TSD_KEYS_INC; i++)
used_tsd_keys[i] = NULL;
- erts_mtx_init(&tsd_mtx, "drv_tsd");
+ erts_mtx_init(&tsd_mtx, "drv_tsd", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_IO);
}
/*
@@ -176,8 +177,8 @@ erl_drv_mutex_create(char *name)
dmtx->name = no_name;
}
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_init_ref(&dmtx->lcnt);
- erts_lcnt_install_new_lock_info(&dmtx->lcnt, dmtx->name, ERTS_LCNT_LT_MUTEX);
+ erts_lcnt_init_ref_x(&dmtx->lcnt, dmtx->name, NIL,
+ ERTS_LOCK_TYPE_MUTEX | ERTS_LOCK_FLAGS_CATEGORY_IO);
#endif
}
return dmtx;
@@ -369,8 +370,8 @@ erl_drv_rwlock_create(char *name)
drwlck->name = no_name;
}
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_init_ref(&drwlck->lcnt);
- erts_lcnt_install_new_lock_info(&drwlck->lcnt, drwlck->name, ERTS_LCNT_LT_RWMUTEX);
+ erts_lcnt_init_ref_x(&drwlck->lcnt, drwlck->name, NIL,
+ ERTS_LOCK_TYPE_RWMUTEX | ERTS_LOCK_FLAGS_CATEGORY_IO);
#endif
}
return drwlck;
@@ -413,7 +414,7 @@ erl_drv_rwlock_tryrlock(ErlDrvRWLock *drwlck)
fatal_error(EINVAL, "erl_drv_rwlock_tryrlock()");
res = ethr_rwmutex_tryrlock(&drwlck->rwmtx);
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_trylock_opt(&drwlck->lcnt, res, ERTS_LCNT_LO_READ);
+ erts_lcnt_trylock_opt(&drwlck->lcnt, res, ERTS_LOCK_OPTION_READ);
#endif
return res;
#else
@@ -428,7 +429,7 @@ erl_drv_rwlock_rlock(ErlDrvRWLock *drwlck)
if (!drwlck)
fatal_error(EINVAL, "erl_drv_rwlock_rlock()");
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_lock_opt(&drwlck->lcnt, ERTS_LCNT_LO_READ);
+ erts_lcnt_lock_opt(&drwlck->lcnt, ERTS_LOCK_OPTION_READ);
#endif
ethr_rwmutex_rlock(&drwlck->rwmtx);
#ifdef ERTS_ENABLE_LOCK_COUNT
@@ -444,7 +445,7 @@ erl_drv_rwlock_runlock(ErlDrvRWLock *drwlck)
if (!drwlck)
fatal_error(EINVAL, "erl_drv_rwlock_runlock()");
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_unlock_opt(&drwlck->lcnt, ERTS_LCNT_LO_READ);
+ erts_lcnt_unlock_opt(&drwlck->lcnt, ERTS_LOCK_OPTION_READ);
#endif
ethr_rwmutex_runlock(&drwlck->rwmtx);
#endif
@@ -459,7 +460,7 @@ erl_drv_rwlock_tryrwlock(ErlDrvRWLock *drwlck)
fatal_error(EINVAL, "erl_drv_rwlock_tryrwlock()");
res = ethr_rwmutex_tryrwlock(&drwlck->rwmtx);
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_trylock_opt(&drwlck->lcnt, res, ERTS_LCNT_LO_READ_WRITE);
+ erts_lcnt_trylock_opt(&drwlck->lcnt, res, ERTS_LOCK_OPTION_RDWR);
#endif
return res;
#else
@@ -474,7 +475,7 @@ erl_drv_rwlock_rwlock(ErlDrvRWLock *drwlck)
if (!drwlck)
fatal_error(EINVAL, "erl_drv_rwlock_rwlock()");
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_lock_opt(&drwlck->lcnt, ERTS_LCNT_LO_READ_WRITE);
+ erts_lcnt_lock_opt(&drwlck->lcnt, ERTS_LOCK_OPTION_RDWR);
#endif
ethr_rwmutex_rwlock(&drwlck->rwmtx);
#ifdef ERTS_ENABLE_LOCK_COUNT
@@ -490,7 +491,7 @@ erl_drv_rwlock_rwunlock(ErlDrvRWLock *drwlck)
if (!drwlck)
fatal_error(EINVAL, "erl_drv_rwlock_rwunlock()");
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_unlock_opt(&drwlck->lcnt, ERTS_LCNT_LO_READ_WRITE);
+ erts_lcnt_unlock_opt(&drwlck->lcnt, ERTS_LOCK_OPTION_RDWR);
#endif
ethr_rwmutex_rwunlock(&drwlck->rwmtx);
#endif
diff --git a/erts/emulator/beam/erl_fun.c b/erts/emulator/beam/erl_fun.c
index d18016c42e..535f677bb3 100644
--- a/erts/emulator/beam/erl_fun.c
+++ b/erts/emulator/beam/erl_fun.c
@@ -63,7 +63,8 @@ erts_init_fun_table(void)
rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_FREQUENT_READ;
rwmtx_opt.lived = ERTS_SMP_RWMTX_LONG_LIVED;
- erts_smp_rwmtx_init_opt(&erts_fun_table_lock, &rwmtx_opt, "fun_tab");
+ erts_smp_rwmtx_init_opt(&erts_fun_table_lock, &rwmtx_opt, "fun_tab", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
f.hash = (H_FUN) fun_hash;
f.cmp = (HCMP_FUN) fun_cmp;
diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c
index 2ff49c97b3..23c5b56067 100644
--- a/erts/emulator/beam/erl_gc.c
+++ b/erts/emulator/beam/erl_gc.c
@@ -274,7 +274,8 @@ erts_init_gc(void)
}
#ifdef ERTS_DIRTY_SCHEDULERS
- erts_smp_mtx_init(&dirty_gc.mtx, "dirty_gc_info");
+ erts_smp_mtx_init(&dirty_gc.mtx, "dirty_gc_info", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
init_gc_info(&dirty_gc.info);
#endif
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index ac99f043e6..aaecde4d78 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -2355,8 +2355,12 @@ erl_start(int argc, char **argv)
#ifdef ERTS_SMP
erts_start_schedulers();
- /* Let system specific code decide what to do with the main thread... */
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_post_startup();
+#endif
+
+ /* Let system specific code decide what to do with the main thread... */
erts_sys_main_thread(); /* May or may not return! */
#else
{
@@ -2371,6 +2375,11 @@ erl_start(int argc, char **argv)
erts_sched_init_time_sup(esdp);
erts_ets_sched_spec_data_init(esdp);
erts_aux_work_timeout_late_init(esdp);
+
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_post_startup();
+#endif
+
process_main(esdp->x_reg_array, esdp->f_reg_array);
}
#endif
diff --git a/erts/emulator/beam/erl_instrument.c b/erts/emulator/beam/erl_instrument.c
index 4d4defd8b5..634509f880 100644
--- a/erts/emulator/beam/erl_instrument.c
+++ b/erts/emulator/beam/erl_instrument.c
@@ -1200,7 +1200,8 @@ erts_instr_init(int stat, int map_stat)
stats = erts_alloc(ERTS_ALC_T_INSTR_INFO, sizeof(struct stats_));
- erts_mtx_init(&instr_mutex, "instr");
+ erts_mtx_init(&instr_mutex, "instr", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_DEBUG);
mem_anchor = NULL;
@@ -1223,7 +1224,8 @@ erts_instr_init(int stat, int map_stat)
if (map_stat) {
- erts_mtx_init(&instr_x_mutex, "instr_x");
+ erts_mtx_init(&instr_x_mutex, "instr_x", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_DEBUG);
erts_instr_memory_map = 1;
erts_instr_stat = 1;
diff --git a/erts/emulator/beam/erl_lock_check.c b/erts/emulator/beam/erl_lock_check.c
index f270d8baef..85ee703c99 100644
--- a/erts/emulator/beam/erl_lock_check.c
+++ b/erts/emulator/beam/erl_lock_check.c
@@ -104,7 +104,6 @@ static erts_lc_lock_order_t erts_lock_order[] = {
{ "db_tab", "address" },
{ "proc_status", "pid" },
{ "proc_trace", "pid" },
- { "ports_snapshot", NULL },
{ "db_tab_fix", "address" },
{ "db_hash_slot", "address" },
{ "node_table", NULL },
@@ -161,6 +160,9 @@ static erts_lc_lock_order_t erts_lock_order[] = {
{ "mtrace_op", NULL },
{ "instr_x", NULL },
{ "instr", NULL },
+#ifdef ERTS_SMP
+ { "pollsets_lock", NULL },
+#endif
{ "alcu_allocator", "index" },
{ "mseg", NULL },
#ifdef ERTS_SMP
@@ -173,7 +175,6 @@ static erts_lc_lock_order_t erts_lock_order[] = {
{ "get_time", NULL },
{ "get_corrected_time", NULL },
{ "breakpoints", NULL },
- { "pollsets_lock", NULL },
{ "pix_lock", "address" },
{ "run_queues_lists", NULL },
{ "sched_stat", NULL },
diff --git a/erts/emulator/beam/erl_lock_count.c b/erts/emulator/beam/erl_lock_count.c
index 2cf59aa367..d2e8f47d59 100644
--- a/erts/emulator/beam/erl_lock_count.c
+++ b/erts/emulator/beam/erl_lock_count.c
@@ -26,19 +26,26 @@
#include "sys.h"
+#include "global.h"
+
#include "erl_lock_count.h"
#include "erl_thr_progress.h"
-#define LCNT_MAX_CARRIER_ENTRIES 255
-
-/* - Exported global - */
+#include "erl_node_tables.h"
+#include "erl_alloc_util.h"
+#include "erl_check_io.h"
+#include "erl_poll.h"
+#include "erl_db.h"
-Uint16 erts_lcnt_rt_options = ERTS_LCNT_OPT_PROCLOCK | ERTS_LCNT_OPT_LOCATION;
+#define LCNT_MAX_CARRIER_ENTRIES 255
/* - Locals that are shared with the header implementation - */
-int lcnt_initialization_completed__ = 0;
+#ifdef DEBUG
+int lcnt_initialization_completed__;
+#endif
+erts_lock_flags_t lcnt_category_mask__;
ethr_tsd_key lcnt_thr_data_key__;
const int lcnt_log2_tab64__[64] = {
@@ -53,11 +60,25 @@ const int lcnt_log2_tab64__[64] = {
/* - Local variables - */
+typedef struct lcnt_static_lock_ref_ {
+ erts_lcnt_ref_t *reference;
+
+ erts_lock_flags_t flags;
+ const char *name;
+ Eterm id;
+
+ struct lcnt_static_lock_ref_ *next;
+} lcnt_static_lock_ref_t;
+
+static ethr_atomic_t lcnt_static_lock_registry;
+
static erts_lcnt_lock_info_list_t lcnt_current_lock_list;
static erts_lcnt_lock_info_list_t lcnt_deleted_lock_list;
static erts_lcnt_time_t lcnt_timer_start;
+static int lcnt_preserve_info;
+
/* local functions */
static void lcnt_clear_stats(erts_lcnt_lock_info_t *info) {
@@ -97,37 +118,6 @@ static lcnt_thread_data_t__ *lcnt_thread_data_alloc(void) {
return eltd;
}
-/* debug */
-
-#if 0
-static char* lock_opt(Uint16 flag) {
- if ((flag & ERTS_LCNT_LO_WRITE) && (flag & ERTS_LCNT_LO_READ)) return "rw";
- if (flag & ERTS_LCNT_LO_READ ) return "r ";
- if (flag & ERTS_LCNT_LO_WRITE) return " w";
- return "--";
-}
-
-static void print_lock_x(erts_lcnt_lock_info_t *info, Uint16 flag, char *action) {
- ethr_sint_t w_state, r_state;
- char *type;
-
- if (strcmp(info->name, "run_queue") != 0) return;
- type = erts_lcnt_lock_type(info->flag);
- r_state = ethr_atomic_read(&info->r_state);
- w_state = ethr_atomic_read(&info->w_state);
-
- if (info->flag & flag) {
- erts_fprintf(stderr,"%10s [%24s] [r/w state %4ld/%4ld] %2s id %T\r\n",
- action,
- info->name,
- r_state,
- w_state,
- type,
- info->id);
- }
-}
-#endif
-
/* - List operations -
*
* Info entries are kept in a doubly linked list where each entry is locked
@@ -271,12 +261,7 @@ void lcnt_thr_progress_unmanaged_continue__(int handle) {
return erts_thr_progress_unmanaged_continue(handle);
}
-static void lcnt_deallocate_carrier_malloc(erts_lcnt_lock_info_carrier_t *carrier) {
- ASSERT(ethr_atomic_read(&carrier->ref_count) == 0);
- free(carrier);
-}
-
-static void lcnt_deallocate_carrier_erts(erts_lcnt_lock_info_carrier_t *carrier) {
+void lcnt_deallocate_carrier__(erts_lcnt_lock_info_carrier_t *carrier) {
ASSERT(ethr_atomic_read(&carrier->ref_count) == 0);
erts_free(ERTS_ALC_T_LCNT_CARRIER, (void*)carrier);
}
@@ -323,7 +308,7 @@ static void lcnt_info_deallocate(erts_lcnt_lock_info_t *info) {
static void lcnt_info_dispose(erts_lcnt_lock_info_t *info) {
ASSERT(ethr_atomic_read(&info->ref_count) == 0);
- if(erts_lcnt_rt_options & ERTS_LCNT_OPT_COPYSAVE) {
+ if(lcnt_preserve_info) {
ethr_atomic_set(&info->ref_count, 1);
/* Move straight to deallocation the next time around. */
@@ -336,10 +321,6 @@ static void lcnt_info_dispose(erts_lcnt_lock_info_t *info) {
}
static void lcnt_lock_info_init_helper(erts_lcnt_lock_info_t *info) {
-#ifdef DEBUG
- ethr_atomic_init(&info->flowstate, 0);
-#endif
-
ethr_atomic_init(&info->ref_count, 1);
ethr_atomic32_init(&info->lock, 0);
@@ -356,22 +337,16 @@ erts_lcnt_lock_info_carrier_t *erts_lcnt_create_lock_info_carrier(int entry_coun
size_t carrier_size, i;
ASSERT(entry_count > 0 && entry_count <= LCNT_MAX_CARRIER_ENTRIES);
+ ASSERT(lcnt_initialization_completed__);
carrier_size = sizeof(erts_lcnt_lock_info_carrier_t) +
sizeof(erts_lcnt_lock_info_t) * entry_count;
- if(lcnt_initialization_completed__) {
- result = (erts_lcnt_lock_info_carrier_t*)erts_alloc(ERTS_ALC_T_LCNT_CARRIER, carrier_size);
- result->deallocate = &lcnt_deallocate_carrier_erts;
- } else {
- result = (erts_lcnt_lock_info_carrier_t*)malloc(carrier_size);
- result->deallocate = &lcnt_deallocate_carrier_malloc;
- }
+ result = (erts_lcnt_lock_info_carrier_t*)erts_alloc(ERTS_ALC_T_LCNT_CARRIER, carrier_size);
+ result->entry_count = entry_count;
ethr_atomic_init(&result->ref_count, entry_count);
- result->entry_count = entry_count;
-
for(i = 0; i < entry_count; i++) {
erts_lcnt_lock_info_t *info = &result->entries[i];
@@ -386,6 +361,24 @@ erts_lcnt_lock_info_carrier_t *erts_lcnt_create_lock_info_carrier(int entry_coun
void erts_lcnt_install(erts_lcnt_ref_t *ref, erts_lcnt_lock_info_carrier_t *carrier) {
ethr_sint_t swapped_carrier;
+#ifdef DEBUG
+ int i;
+
+ /* Verify that all locks share the same categories/static property; all
+ * other flags are fair game. */
+ for(i = 1; i < carrier->entry_count; i++) {
+ const erts_lock_flags_t SIGNIFICANT_DIFF_MASK =
+ ERTS_LOCK_FLAGS_MASK_CATEGORY | ERTS_LOCK_FLAGS_PROPERTY_STATIC;
+
+ erts_lcnt_lock_info_t *previous, *current;
+
+ previous = &carrier->entries[i - 1];
+ current = &carrier->entries[i];
+
+ ASSERT(!((previous->flags ^ current->flags) & SIGNIFICANT_DIFF_MASK));
+ }
+#endif
+
swapped_carrier = ethr_atomic_cmpxchg_mb(ref, (ethr_sint_t)carrier, (ethr_sint_t)NULL);
if(swapped_carrier != (ethr_sint_t)NULL) {
@@ -394,7 +387,7 @@ void erts_lcnt_install(erts_lcnt_ref_t *ref, erts_lcnt_lock_info_carrier_t *carr
ethr_atomic_set(&carrier->ref_count, 0);
#endif
- carrier->deallocate(carrier);
+ lcnt_deallocate_carrier__(carrier);
} else {
lcnt_insert_list_carrier(&lcnt_current_lock_list, carrier);
}
@@ -411,6 +404,61 @@ void erts_lcnt_uninstall(erts_lcnt_ref_t *ref) {
}
}
+/* - Static lock registry -
+ *
+ * Since static locks can be trusted to never disappear, we can track them
+ * pretty cheaply and won't need to bother writing an "erts_lcnt_update_xx"
+ * variant. */
+
+static void lcnt_init_static_lock_registry(void) {
+ ethr_atomic_init(&lcnt_static_lock_registry, (ethr_sint_t)NULL);
+}
+
+static void lcnt_update_static_locks(void) {
+ lcnt_static_lock_ref_t *iterator =
+ (lcnt_static_lock_ref_t*)ethr_atomic_read(&lcnt_static_lock_registry);
+
+ while(iterator != NULL) {
+ if(!erts_lcnt_check_enabled(iterator->flags)) {
+ erts_lcnt_uninstall(iterator->reference);
+ } else if(!erts_lcnt_check_ref_installed(iterator->reference)) {
+ erts_lcnt_lock_info_carrier_t *carrier = erts_lcnt_create_lock_info_carrier(1);
+
+ erts_lcnt_init_lock_info_idx(carrier, 0, iterator->name, iterator->id, iterator->flags);
+
+ erts_lcnt_install(iterator->reference, carrier);
+ }
+
+ iterator = iterator->next;
+ }
+}
+
+void lcnt_register_static_lock__(erts_lcnt_ref_t *reference, const char *name, Eterm id,
+ erts_lock_flags_t flags) {
+ lcnt_static_lock_ref_t *lock = malloc(sizeof(lcnt_static_lock_ref_t));
+ int retry_insertion;
+
+ ASSERT(flags & ERTS_LOCK_FLAGS_PROPERTY_STATIC);
+
+ lock->reference = reference;
+ lock->flags = flags;
+ lock->name = name;
+ lock->id = id;
+
+ do {
+ ethr_sint_t swapped_head;
+
+ lock->next = (lcnt_static_lock_ref_t*)ethr_atomic_read(&lcnt_static_lock_registry);
+
+ swapped_head = ethr_atomic_cmpxchg_acqb(
+ &lcnt_static_lock_registry,
+ (ethr_sint_t)lock,
+ (ethr_sint_t)lock->next);
+
+ retry_insertion = (swapped_head != (ethr_sint_t)lock->next);
+ } while(retry_insertion);
+}
+
/* - Initialization - */
void erts_lcnt_pre_thr_init() {
@@ -422,6 +470,8 @@ void erts_lcnt_pre_thr_init() {
lcnt_init_list(&lcnt_current_lock_list);
lcnt_init_list(&lcnt_deleted_lock_list);
+
+ lcnt_init_static_lock_registry();
}
void erts_lcnt_post_thr_init() {
@@ -438,8 +488,16 @@ void erts_lcnt_late_init() {
erts_lcnt_clear_counters();
erts_thr_install_exit_handler(erts_lcnt_thread_exit_handler);
+#ifdef DEBUG
/* It's safe to use erts_alloc and thread progress past this point. */
lcnt_initialization_completed__ = 1;
+#endif
+}
+
+void erts_lcnt_post_startup(void) {
+ /* Default to capturing everything to match the behavior of the old lock
+ * counter build. */
+ erts_lcnt_set_category_mask(ERTS_LOCK_FLAGS_MASK_CATEGORY);
}
void erts_lcnt_thread_setup() {
@@ -492,18 +550,74 @@ void erts_lcnt_release_lock_info(erts_lcnt_lock_info_t *info) {
}
}
-Uint16 erts_lcnt_set_rt_opt(Uint16 opt) {
- Uint16 prev;
- prev = (erts_lcnt_rt_options & opt);
- erts_lcnt_rt_options |= opt;
- return prev;
+erts_lock_flags_t erts_lcnt_get_category_mask() {
+ return lcnt_category_mask__;
}
-Uint16 erts_lcnt_clear_rt_opt(Uint16 opt) {
- Uint16 prev;
- prev = (erts_lcnt_rt_options & opt);
- erts_lcnt_rt_options &= ~opt;
- return prev;
+#ifdef ERTS_ENABLE_KERNEL_POLL
+/* erl_poll/erl_check_io only exports one of these variants at a time, and we
+ * may need to use either one depending on emulator startup flags. */
+void erts_lcnt_update_pollset_locks_nkp(int);
+void erts_lcnt_update_pollset_locks_kp(int);
+
+void erts_lcnt_update_cio_locks_nkp(int);
+void erts_lcnt_update_cio_locks_kp(int);
+#endif
+
+void erts_lcnt_set_category_mask(erts_lock_flags_t mask) {
+ erts_lock_flags_t changed_categories;
+
+ ASSERT(!(mask & ~ERTS_LOCK_FLAGS_MASK_CATEGORY));
+ ASSERT(lcnt_initialization_completed__);
+
+ changed_categories = (lcnt_category_mask__ ^ mask);
+ lcnt_category_mask__ = mask;
+
+ if(changed_categories) {
+ lcnt_update_static_locks();
+ }
+
+ if(changed_categories & ERTS_LOCK_FLAGS_CATEGORY_DISTRIBUTION) {
+ erts_lcnt_update_distribution_locks(mask & ERTS_LOCK_FLAGS_CATEGORY_DISTRIBUTION);
+ }
+
+ if(changed_categories & ERTS_LOCK_FLAGS_CATEGORY_ALLOCATOR) {
+ erts_lcnt_update_allocator_locks(mask & ERTS_LOCK_FLAGS_CATEGORY_ALLOCATOR);
+ }
+
+ if(changed_categories & ERTS_LOCK_FLAGS_CATEGORY_PROCESS) {
+ erts_lcnt_update_process_locks(mask & ERTS_LOCK_FLAGS_CATEGORY_PROCESS);
+ }
+
+ if(changed_categories & ERTS_LOCK_FLAGS_CATEGORY_IO) {
+#ifdef ERTS_ENABLE_KERNEL_POLL
+ if(erts_use_kernel_poll) {
+ erts_lcnt_update_pollset_locks_kp(mask & ERTS_LOCK_FLAGS_CATEGORY_IO);
+ erts_lcnt_update_cio_locks_kp(mask & ERTS_LOCK_FLAGS_CATEGORY_IO);
+ } else {
+ erts_lcnt_update_pollset_locks_nkp(mask & ERTS_LOCK_FLAGS_CATEGORY_IO);
+ erts_lcnt_update_cio_locks_nkp(mask & ERTS_LOCK_FLAGS_CATEGORY_IO);
+ }
+#else
+ erts_lcnt_update_pollset_locks(mask & ERTS_LOCK_FLAGS_CATEGORY_IO);
+ erts_lcnt_update_cio_locks(mask & ERTS_LOCK_FLAGS_CATEGORY_IO);
+#endif
+
+ erts_lcnt_update_driver_locks(mask & ERTS_LOCK_FLAGS_CATEGORY_IO);
+ erts_lcnt_update_port_locks(mask & ERTS_LOCK_FLAGS_CATEGORY_IO);
+ }
+
+ if(changed_categories & ERTS_LOCK_FLAGS_CATEGORY_DB) {
+ erts_lcnt_update_db_locks(mask & ERTS_LOCK_FLAGS_CATEGORY_DB);
+ }
+}
+
+void erts_lcnt_set_preserve_info(int enable) {
+ lcnt_preserve_info = enable;
+}
+
+int erts_lcnt_get_preserve_info() {
+ return lcnt_preserve_info;
}
void erts_lcnt_clear_counters(void) {
@@ -538,17 +652,6 @@ erts_lcnt_data_t erts_lcnt_get_data(void) {
return result;
}
-const char *erts_lcnt_lock_type(Uint16 type) {
- switch(type & ERTS_LCNT_LT_ALL) {
- case ERTS_LCNT_LT_SPINLOCK: return "spinlock";
- case ERTS_LCNT_LT_RWSPINLOCK: return "rw_spinlock";
- case ERTS_LCNT_LT_MUTEX: return "mutex";
- case ERTS_LCNT_LT_RWMUTEX: return "rw_mutex";
- case ERTS_LCNT_LT_PROCLOCK: return "proclock";
- default: return "";
- }
-}
-
int erts_lcnt_iterate_list(erts_lcnt_lock_info_list_t *list, erts_lcnt_lock_info_t **iterator) {
erts_lcnt_lock_info_t *current, *next;
diff --git a/erts/emulator/beam/erl_lock_count.h b/erts/emulator/beam/erl_lock_count.h
index c89dfcba47..3181dbcad4 100644
--- a/erts/emulator/beam/erl_lock_count.h
+++ b/erts/emulator/beam/erl_lock_count.h
@@ -43,17 +43,7 @@
*
* Each instance of a lock is the unique lock, i.e. set and id in that set.
* For each lock there is a set of statistics with where and what impact
- * the lock aqusition had.
- *
- * Runtime options:
- * - location, reserved and not used.
- * - proclock, disable proclock counting. Used when performance might be an
- * issue. Accessible from erts_debug:lock_counters({process_locks, bool()}).
- * Default: off.
- * - copysave, enable saving of destroyed locks (and thereby its statistics).
- * If memory constraints is an issue this need to be disabled.
- * Accessible from erts_debug:lock_counters({copy_save, bool()}).
- * Default: off.
+ * the lock acquisition had.
*/
#ifndef ERTS_LOCK_COUNT_H__
@@ -67,11 +57,12 @@
#include "sys.h"
#include "ethread.h"
+
#include "erl_term.h"
+#include "erl_lock_flags.h"
-#define ERTS_LCNT_MAX_LOCK_LOCATIONS (10)
+#define ERTS_LCNT_MAX_LOCK_LOCATIONS (5)
-/* histogram */
#define ERTS_LCNT_HISTOGRAM_MAX_NS (((unsigned long)1LL << 28) - 1)
#if 0 || defined(ERTS_HAVE_OS_MONOTONIC_TIME_SUPPORT)
#define ERTS_LCNT_HISTOGRAM_SLOT_SIZE (30)
@@ -81,34 +72,6 @@
#define ERTS_LCNT_HISTOGRAM_RSHIFT (10)
#endif
-#define ERTS_LCNT_LT_SPINLOCK (((Uint16) 1) << 0)
-#define ERTS_LCNT_LT_RWSPINLOCK (((Uint16) 1) << 1)
-#define ERTS_LCNT_LT_MUTEX (((Uint16) 1) << 2)
-#define ERTS_LCNT_LT_RWMUTEX (((Uint16) 1) << 3)
-#define ERTS_LCNT_LT_PROCLOCK (((Uint16) 1) << 4)
-#define ERTS_LCNT_LT_ALLOC (((Uint16) 1) << 5)
-
-#define ERTS_LCNT_LO_READ (((Uint16) 1) << 6)
-#define ERTS_LCNT_LO_WRITE (((Uint16) 1) << 7)
-
-#define ERTS_LCNT_LT_DISABLE (((Uint16) 1) << 8)
-
-#define ERTS_LCNT_LO_READ_WRITE ( ERTS_LCNT_LO_READ \
- | ERTS_LCNT_LO_WRITE )
-
-#define ERTS_LCNT_LT_ALL ( ERTS_LCNT_LT_SPINLOCK \
- | ERTS_LCNT_LT_RWSPINLOCK \
- | ERTS_LCNT_LT_MUTEX \
- | ERTS_LCNT_LT_RWMUTEX \
- | ERTS_LCNT_LT_PROCLOCK )
-
-/* Runtime options */
-
-#define ERTS_LCNT_OPT_LOCATION (((Uint16) 1) << 1)
-#define ERTS_LCNT_OPT_PROCLOCK (((Uint16) 1) << 2)
-#define ERTS_LCNT_OPT_PORTLOCK (((Uint16) 1) << 3)
-#define ERTS_LCNT_OPT_COPYSAVE (((Uint16) 1) << 4)
-
typedef struct {
unsigned long s;
unsigned long ns;
@@ -139,9 +102,10 @@ typedef struct {
} erts_lcnt_lock_stats_t;
typedef struct lcnt_lock_info_t_ {
- const char *name; /**< Lock name */
- Uint16 flag; /**< Lock type */
- Eterm id; /**< Id if possible, must be an immediate */
+ erts_lock_flags_t flags;
+ const char *name;
+ /** @brief Id if possible, must be an immediate */
+ Eterm id;
/* The first entry is reserved as a fallback for when location information
* is missing, and when the lock is used in more than (MAX_LOCK_LOCATIONS
@@ -158,15 +122,6 @@ typedef struct lcnt_lock_info_t_ {
/** @brief Read state. 0 = not taken, > 0 -> writes will wait */
ethr_atomic_t r_state;
-#ifdef LCNT_DEBUG_LOCK_FLOW
- /** @brief Tracks lock/unlock operations. This will explode if the lock is
- * held at the time lock counting is installed.
- *
- * Avoid enabling existing locks at runtime while running in this
- * configuration. */
- ethr_atomic_t flowstate;
-#endif
-
struct lcnt_lock_info_t_ *prev;
struct lcnt_lock_info_t_ *next;
@@ -200,7 +155,10 @@ typedef ethr_atomic_t erts_lcnt_ref_t;
/* -- Globals -------------------------------------------------------------- */
-extern Uint16 erts_lcnt_rt_options;
+/** @brief Checks whether counting is enabled for any of the given
+ * categories. */
+#define erts_lcnt_check_enabled(flags) \
+ (lcnt_category_mask__ & flags)
/* -- Lock operations ------------------------------------------------------
*
@@ -259,12 +217,6 @@ void erts_lcnt_trylock_opt(erts_lcnt_ref_t *ref, int result, Uint16 option);
*
* Refer to \c erts_lcnt_lock for example usage. */
-ERTS_GLB_FORCE_INLINE
-int erts_lcnt_open_ref(erts_lcnt_ref_t *ref, int *handle, erts_lcnt_lock_info_carrier_t **result);
-
-ERTS_GLB_FORCE_INLINE
-void erts_lcnt_close_ref(int handle, erts_lcnt_lock_info_carrier_t *carrier);
-
ERTS_GLB_INLINE
void erts_lcnt_lock_idx(erts_lcnt_lock_info_carrier_t *carrier, int index);
ERTS_GLB_INLINE
@@ -290,22 +242,43 @@ void erts_lcnt_trylock_opt_idx(erts_lcnt_lock_info_carrier_t *carrier, int index
/* -- Reference operations ------------------------------------------------- */
-erts_lcnt_lock_info_carrier_t *erts_lcnt_create_lock_info_carrier(int count);
-
-/** @brief Fills in the name and lock type of the given index. */
-#define erts_lcnt_init_lock_info_idx(carrier, index, name, flag) \
- erts_lcnt_init_lock_info_x_idx(carrier, index, name, flag, NIL)
+/** @brief Registers a lock counter reference; this must be called prior to
+ * using any other functions in this module. */
+ERTS_GLB_INLINE
+void erts_lcnt_init_ref(erts_lcnt_ref_t *ref);
-/** @copydoc erts_lcnt_install_new_lock_info
+/** @brief As \c erts_lcnt_init_ref, but also enables lock counting right
+ * away if appropriate to reduce noise.
* @param id An immediate erlang term with whatever extra data you want to
* identify this lock with. */
ERTS_GLB_INLINE
-void erts_lcnt_init_lock_info_x_idx(erts_lcnt_lock_info_carrier_t *carrier, int index,
- const char *name, Uint16 flag, Eterm id);
+void erts_lcnt_init_ref_x(erts_lcnt_ref_t *ref, const char *name,
+ Eterm id, erts_lock_flags_t flags);
-/** @brief Initializes a lock counter reference; this must be called prior to
- * using any other functions in this module. */
-#define erts_lcnt_init_ref(ref) ethr_atomic_init(ref, (ethr_sint_t)NULL);
+/** @brief Checks whether counting is enabled on the given reference. */
+ERTS_GLB_FORCE_INLINE
+int erts_lcnt_check_ref_installed(erts_lcnt_ref_t *ref);
+
+/** @brief Convenience macro to re/enable counting on an already initialized
+ * reference. Don't forget to specify the lock type in \c flags! */
+#define erts_lcnt_install_new_lock_info(ref, name, id, flags) \
+ if(!erts_lcnt_check_ref_installed(ref)) { \
+ erts_lcnt_lock_info_carrier_t *__carrier; \
+ __carrier = erts_lcnt_create_lock_info_carrier(1);\
+ erts_lcnt_init_lock_info_idx(__carrier, 0, name, id, flags); \
+ erts_lcnt_install(ref, __carrier);\
+ } while(0)
+
+erts_lcnt_lock_info_carrier_t *erts_lcnt_create_lock_info_carrier(int count);
+
+/* @brief Initializes the lock info at the given index.
+ * @param id An immediate erlang term with whatever extra data you want to
+ * identify this lock with.
+ * @param flags The flags the lock itself was initialized with. Keep in mind
+ * that all locks in a carrier must share the same category/static property. */
+ERTS_GLB_INLINE
+void erts_lcnt_init_lock_info_idx(erts_lcnt_lock_info_carrier_t *carrier, int index,
+ const char *name, Eterm id, erts_lock_flags_t flags);
/** @brief Atomically installs the given lock counters. Nops (and releases the
* provided carrier) if something was already installed. */
@@ -315,21 +288,11 @@ void erts_lcnt_install(erts_lcnt_ref_t *ref, erts_lcnt_lock_info_carrier_t *carr
* nothing was installed. */
void erts_lcnt_uninstall(erts_lcnt_ref_t *ref);
-/** @brief Convenience macro to install a single lock counter of the given
- * name and type. */
-#define erts_lcnt_install_new_lock_info(reference, name, flag) \
- erts_lcnt_install_new_lock_info_x(reference, name, flag, NIL)
+ERTS_GLB_FORCE_INLINE
+int erts_lcnt_open_ref(erts_lcnt_ref_t *ref, int *handle, erts_lcnt_lock_info_carrier_t **result);
-/** @copydoc erts_lcnt_install_new_lock_info
- * @param id An immediate erlang term with whatever extra data you want to
- * identify this lock with. */
-#define erts_lcnt_install_new_lock_info_x(reference, name, flag, id) \
- do { \
- erts_lcnt_lock_info_carrier_t *__carrier; \
- __carrier = erts_lcnt_create_lock_info_carrier(1); \
- erts_lcnt_init_lock_info_x_idx(__carrier, 0, name, flag, id); \
- erts_lcnt_install(reference, __carrier); \
- } while(0)
+ERTS_GLB_FORCE_INLINE
+void erts_lcnt_close_ref(int handle, erts_lcnt_lock_info_carrier_t *carrier);
/* -- Module initialization ------------------------------------------------ */
@@ -337,6 +300,11 @@ void erts_lcnt_pre_thr_init(void);
void erts_lcnt_post_thr_init(void);
void erts_lcnt_late_init(void);
+/* @brief Called after everything in the system has been initialized, including
+ * the schedulers. This is mainly a backwards compatibility shim for matching
+ * the old lcnt behavior where all lock counting was enabled by default. */
+void erts_lcnt_post_startup(void);
+
void erts_lcnt_thread_setup(void);
void erts_lcnt_thread_exit_handler(void);
@@ -357,7 +325,7 @@ void erts_lcnt_thread_exit_handler(void);
int erts_lcnt_iterate_list(erts_lcnt_lock_info_list_t *list, erts_lcnt_lock_info_t **iterator);
/** @brief Clears the counter state of all locks, and releases all locks
- * preserved through ERTS_LCNT_OPT_COPYSAVE (if any). */
+ * preserved through erts_lcnt_set_preserve_info (if any). */
void erts_lcnt_clear_counters(void);
/** @brief Retrieves the global lock counter state.
@@ -369,10 +337,24 @@ erts_lcnt_data_t erts_lcnt_get_data(void);
void erts_lcnt_retain_lock_info(erts_lcnt_lock_info_t *info);
void erts_lcnt_release_lock_info(erts_lcnt_lock_info_t *info);
-Uint16 erts_lcnt_set_rt_opt(Uint16 opt);
-Uint16 erts_lcnt_clear_rt_opt(Uint16 opt);
+/** @brief Sets whether to preserve the info of destroyed/uninstalled locks.
+ *
+ * This option makes no distinction whether the lock was destroyed or if lock
+ * counting was simply disabled, so erts_lcnt_set_category_mask must not be
+ * used while this option is active. */
+void erts_lcnt_set_preserve_info(int enable);
-const char *erts_lcnt_lock_type(Uint16 type);
+int erts_lcnt_get_preserve_info(void);
+
+/** @brief Updates the category mask, enabling or disabling counting on the
+ * affected locks as necessary.
+ *
+ * This is not guaranteed to find all existing locks; only those that are
+ * flagged as static locks and those reachable through other means can be
+ * altered. */
+void erts_lcnt_set_category_mask(erts_lock_flags_t mask);
+
+erts_lock_flags_t erts_lcnt_get_category_mask(void);
/* -- Inline implementation ------------------------------------------------ */
@@ -390,8 +372,6 @@ typedef struct { Uint64 _[4]; } LcntThrPrgrLaterOp;
struct lcnt_lock_info_carrier_ {
ethr_atomic_t ref_count;
- void (*deallocate)(struct lcnt_lock_info_carrier_ *);
-
LcntThrPrgrLaterOp release_entries;
unsigned char entry_count;
@@ -404,14 +384,19 @@ typedef struct {
int lock_in_conflict; /* bool */
} lcnt_thread_data_t__;
+extern const int lcnt_log2_tab64__[];
+
extern ethr_tsd_key lcnt_thr_data_key__;
+extern erts_lock_flags_t lcnt_category_mask__;
-/** @brief Some operations (eg erts_alloc or erts_thr_progress_unmanaged_delay)
- * are unsafe in the early stages of initialization, so we're using this flag
- * to know when we can move over to normal operation. */
+#ifdef DEBUG
extern int lcnt_initialization_completed__;
+#endif
-extern const int lcnt_log2_tab64__[];
+void lcnt_register_static_lock__(erts_lcnt_ref_t *reference, const char *name, Eterm id,
+ erts_lock_flags_t flags);
+
+void lcnt_deallocate_carrier__(erts_lcnt_lock_info_carrier_t *carrier);
ERTS_GLB_INLINE
int lcnt_log2__(Uint64 v);
@@ -557,29 +542,27 @@ void lcnt_dec_lock_state__(ethr_atomic_t *l_state) {
ERTS_GLB_INLINE
erts_lcnt_lock_stats_t *lcnt_get_lock_stats__(erts_lcnt_lock_info_t *info, char *file, unsigned int line) {
- ASSERT(info->location_count >= 1 && info->location_count <= ERTS_LCNT_MAX_LOCK_LOCATIONS);
+ unsigned int i;
- if(erts_lcnt_rt_options & ERTS_LCNT_OPT_LOCATION) {
- unsigned int i;
+ ASSERT(info->location_count >= 1 && info->location_count <= ERTS_LCNT_MAX_LOCK_LOCATIONS);
- for(i = 0; i < info->location_count; i++) {
- erts_lcnt_lock_stats_t *stats = &info->location_stats[i];
+ for(i = 0; i < info->location_count; i++) {
+ erts_lcnt_lock_stats_t *stats = &info->location_stats[i];
- if(stats->file == file && stats->line == line) {
- return stats;
- }
+ if(stats->file == file && stats->line == line) {
+ return stats;
}
+ }
- if(info->location_count < ERTS_LCNT_MAX_LOCK_LOCATIONS) {
- erts_lcnt_lock_stats_t *stats = &info->location_stats[info->location_count];
+ if(info->location_count < ERTS_LCNT_MAX_LOCK_LOCATIONS) {
+ erts_lcnt_lock_stats_t *stats = &info->location_stats[info->location_count];
- stats->file = file;
- stats->line = line;
+ stats->file = file;
+ stats->line = line;
- info->location_count++;
+ info->location_count++;
- return stats;
- }
+ return stats;
}
return &info->location_stats[0];
@@ -596,10 +579,12 @@ lcnt_thread_data_t__ *lcnt_get_thread_data__(void) {
ERTS_GLB_FORCE_INLINE
int erts_lcnt_open_ref(erts_lcnt_ref_t *ref, int *handle, erts_lcnt_lock_info_carrier_t **result) {
- if(!*ethr_atomic_addr(ref) || !lcnt_initialization_completed__) {
+ if(ERTS_LIKELY(!erts_lcnt_check_ref_installed(ref))) {
return 0;
}
+ ASSERT(lcnt_initialization_completed__);
+
(*handle) = lcnt_thr_progress_unmanaged_delay__();
(*result) = (erts_lcnt_lock_info_carrier_t*)ethr_atomic_read(ref);
@@ -624,6 +609,30 @@ void erts_lcnt_close_ref(int handle, erts_lcnt_lock_info_carrier_t *carrier) {
}
}
+ERTS_GLB_INLINE
+void erts_lcnt_init_ref(erts_lcnt_ref_t *ref) {
+ ethr_atomic_init(ref, (ethr_sint_t)NULL);
+}
+
+ERTS_GLB_INLINE
+void erts_lcnt_init_ref_x(erts_lcnt_ref_t *ref, const char *name,
+ Eterm id, erts_lock_flags_t flags) {
+ erts_lcnt_init_ref(ref);
+
+ if(flags & ERTS_LOCK_FLAGS_PROPERTY_STATIC) {
+ lcnt_register_static_lock__(ref, name, id, flags);
+ }
+
+ if(erts_lcnt_check_enabled(flags)) {
+ erts_lcnt_install_new_lock_info(ref, name, id, flags);
+ }
+}
+
+ERTS_GLB_FORCE_INLINE
+int erts_lcnt_check_ref_installed(erts_lcnt_ref_t *ref) {
+ return (!!*ethr_atomic_addr(ref));
+}
+
ERTS_GLB_FORCE_INLINE
void erts_lcnt_lock(erts_lcnt_ref_t *ref) {
erts_lcnt_lock_info_carrier_t *carrier;
@@ -734,7 +743,7 @@ void erts_lcnt_trylock_opt(erts_lcnt_ref_t *ref, int result, Uint16 option) {
ERTS_GLB_INLINE
void erts_lcnt_lock_idx(erts_lcnt_lock_info_carrier_t *carrier, int index) {
- erts_lcnt_lock_opt_idx(carrier, index, ERTS_LCNT_LO_WRITE);
+ erts_lcnt_lock_opt_idx(carrier, index, ERTS_LOCK_OPTION_WRITE);
}
ERTS_GLB_INLINE
@@ -745,9 +754,9 @@ void erts_lcnt_lock_opt_idx(erts_lcnt_lock_info_carrier_t *carrier, int index, U
ASSERT(index < carrier->entry_count);
- ASSERT((option & ERTS_LCNT_LO_READ) || (option & ERTS_LCNT_LO_WRITE));
+ ASSERT((option & ERTS_LOCK_OPTION_READ) || (option & ERTS_LOCK_OPTION_WRITE));
- if(option & ERTS_LCNT_LO_WRITE) {
+ if(option & ERTS_LOCK_OPTION_WRITE) {
ethr_sint_t w_state, r_state;
w_state = ethr_atomic_inc_read(&info->w_state) - 1;
@@ -762,7 +771,8 @@ void erts_lcnt_lock_opt_idx(erts_lcnt_lock_info_carrier_t *carrier, int index, U
eltd->lock_in_conflict = (w_state > 0);
}
- if(option & ERTS_LCNT_LO_READ) {
+ if(option & ERTS_LOCK_OPTION_READ) {
+ ASSERT(info->flags & ERTS_LOCK_FLAGS_PROPERTY_READ_WRITE);
ethr_atomic_inc(&info->r_state);
}
@@ -792,12 +802,6 @@ void erts_lcnt_lock_post_x_idx(erts_lcnt_lock_info_carrier_t *carrier, int index
ASSERT(index < carrier->entry_count);
-#ifdef LCNT_DEBUG_LOCK_FLOW
- if(!(info->flag & (ERTS_LCNT_LT_RWMUTEX | ERTS_LCNT_LT_RWSPINLOCK))) {
- ASSERT(ethr_atomic_inc_read(&info->flowstate) == 1);
- }
-#endif
-
/* If the lock was in conflict, update the time spent waiting. */
stats = lcnt_get_lock_stats__(info, file, line);
if(eltd->timer_set) {
@@ -819,15 +823,9 @@ void erts_lcnt_lock_post_x_idx(erts_lcnt_lock_info_carrier_t *carrier, int index
ERTS_GLB_INLINE
void erts_lcnt_unlock_idx(erts_lcnt_lock_info_carrier_t *carrier, int index) {
-#ifdef LCNT_DEBUG_LOCK_FLOW
- erts_lcnt_lock_info_t *info = &carrier->entries[index];
-
- ASSERT(ethr_atomic_dec_read(&info->flowstate) == 0);
-#endif
-
ASSERT(index < carrier->entry_count);
- erts_lcnt_unlock_opt_idx(carrier, index, ERTS_LCNT_LO_WRITE);
+ erts_lcnt_unlock_opt_idx(carrier, index, ERTS_LOCK_OPTION_WRITE);
}
ERTS_GLB_INLINE
@@ -836,13 +834,14 @@ void erts_lcnt_unlock_opt_idx(erts_lcnt_lock_info_carrier_t *carrier, int index,
ASSERT(index < carrier->entry_count);
- ASSERT((option & ERTS_LCNT_LO_READ) || (option & ERTS_LCNT_LO_WRITE));
+ ASSERT((option & ERTS_LOCK_OPTION_READ) || (option & ERTS_LOCK_OPTION_WRITE));
- if(option & ERTS_LCNT_LO_WRITE) {
+ if(option & ERTS_LOCK_OPTION_WRITE) {
lcnt_dec_lock_state__(&info->w_state);
}
- if(option & ERTS_LCNT_LO_READ) {
+ if(option & ERTS_LOCK_OPTION_READ) {
+ ASSERT(info->flags & ERTS_LOCK_FLAGS_PROPERTY_READ_WRITE);
lcnt_dec_lock_state__(&info->r_state);
}
}
@@ -858,15 +857,9 @@ void erts_lcnt_lock_unacquire_idx(erts_lcnt_lock_info_carrier_t *carrier, int in
ERTS_GLB_INLINE
void erts_lcnt_trylock_idx(erts_lcnt_lock_info_carrier_t *carrier, int index, int result) {
-#ifdef LCNT_DEBUG_LOCK_FLOW
- erts_lcnt_lock_info_t *info = &carrier->entries[index];
-
- ASSERT(result == EBUSY || ethr_atomic_inc_read(&info->flowstate) == 1);
-#endif
-
ASSERT(index < carrier->entry_count);
- erts_lcnt_trylock_opt_idx(carrier, index, result, ERTS_LCNT_LO_WRITE);
+ erts_lcnt_trylock_opt_idx(carrier, index, result, ERTS_LOCK_OPTION_WRITE);
}
ERTS_GLB_INLINE
@@ -875,14 +868,15 @@ void erts_lcnt_trylock_opt_idx(erts_lcnt_lock_info_carrier_t *carrier, int index
ASSERT(index < carrier->entry_count);
- ASSERT((option & ERTS_LCNT_LO_READ) || (option & ERTS_LCNT_LO_WRITE));
+ ASSERT((option & ERTS_LOCK_OPTION_READ) || (option & ERTS_LOCK_OPTION_WRITE));
if(result != EBUSY) {
- if(option & ERTS_LCNT_LO_WRITE) {
+ if(option & ERTS_LOCK_OPTION_WRITE) {
ethr_atomic_inc(&info->w_state);
}
- if(option & ERTS_LCNT_LO_READ) {
+ if(option & ERTS_LOCK_OPTION_READ) {
+ ASSERT(info->flags & ERTS_LOCK_FLAGS_PROPERTY_READ_WRITE);
ethr_atomic_inc(&info->r_state);
}
@@ -894,13 +888,16 @@ void erts_lcnt_trylock_opt_idx(erts_lcnt_lock_info_carrier_t *carrier, int index
}
ERTS_GLB_INLINE
-void erts_lcnt_init_lock_info_x_idx(erts_lcnt_lock_info_carrier_t *carrier, int index,
- const char *name, Uint16 flag, Eterm id) {
+void erts_lcnt_init_lock_info_idx(erts_lcnt_lock_info_carrier_t *carrier, int index,
+ const char *name, Eterm id, erts_lock_flags_t flags) {
erts_lcnt_lock_info_t *info = &carrier->entries[index];
ASSERT(is_immed(id));
- info->flag = flag;
+ ASSERT(flags & ERTS_LOCK_FLAGS_MASK_TYPE);
+ ASSERT(flags & ERTS_LOCK_FLAGS_MASK_CATEGORY);
+
+ info->flags = flags;
info->name = name;
info->id = id;
}
@@ -921,7 +918,7 @@ void lcnt_release_carrier__(erts_lcnt_lock_info_carrier_t *carrier) {
ASSERT(count >= 0);
if(count == 0) {
- carrier->deallocate(carrier);
+ lcnt_deallocate_carrier__(carrier);
}
}
diff --git a/erts/emulator/beam/erl_msacc.c b/erts/emulator/beam/erl_msacc.c
index 2d70f0d874..6c477be615 100644
--- a/erts/emulator/beam/erl_msacc.c
+++ b/erts/emulator/beam/erl_msacc.c
@@ -76,7 +76,8 @@ void erts_msacc_early_init(void) {
#ifndef ERTS_MSACC_ALWAYS_ON
erts_msacc_enabled = 0;
#endif
- erts_rwmtx_init(&msacc_mutex,"msacc_list_mutex");
+ erts_rwmtx_init(&msacc_mutex, "msacc_list_mutex", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_DEBUG);
#ifdef USE_THREADS
erts_tsd_key_create(&erts_msacc_key,"erts_msacc_key");
#else
@@ -109,7 +110,8 @@ void erts_msacc_init_thread(char *type, int id, int managed) {
#ifdef USE_THREADS
erts_rwmtx_rwlock(&msacc_mutex);
if (!managed) {
- erts_mtx_init(&msacc->mtx,"msacc_unmanaged_mutex");
+ erts_mtx_init(&msacc->mtx, "msacc_unmanaged_mutex", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_DEBUG);
msacc->next = msacc_unmanaged;
msacc_unmanaged = msacc;
msacc_unmanaged_count++;
diff --git a/erts/emulator/beam/erl_mtrace.c b/erts/emulator/beam/erl_mtrace.c
index 19bb7d5b31..f2a660f085 100644
--- a/erts/emulator/beam/erl_mtrace.c
+++ b/erts/emulator/beam/erl_mtrace.c
@@ -583,8 +583,10 @@ void erts_mtrace_init(char *receiver, char *nodename)
byte ip_addr[4];
Uint16 port;
- erts_mtx_init(&mtrace_buf_mutex, "mtrace_buf");
- erts_mtx_init(&mtrace_op_mutex, "mtrace_op");
+ erts_mtx_init(&mtrace_buf_mutex, "mtrace_buf", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_DEBUG);
+ erts_mtx_init(&mtrace_op_mutex, "mtrace_op", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_DEBUG);
socket_desc = erts_sock_open();
if (socket_desc == ERTS_SOCK_INVALID_SOCKET) {
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index ea835d1b64..399626de74 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -2398,7 +2398,8 @@ void* enif_alloc_resource(ErlNifResourceType* type, size_t data_sz)
erts_refc_inc(&resource->type->refc, 2);
if (type->down) {
resource->monitors = (ErtsResourceMonitors*) (resource->data + monitors_offs);
- erts_smp_mtx_init(&resource->monitors->lock, "resource_monitors");
+ erts_smp_mtx_init(&resource->monitors->lock, "resource_monitors", NIL,
+ ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
resource->monitors->root = NULL;
resource->monitors->pending_failed_fire = 0;
resource->monitors->is_dying = 0;
diff --git a/erts/emulator/beam/erl_node_tables.c b/erts/emulator/beam/erl_node_tables.c
index 3c5945d48d..deadf435e9 100644
--- a/erts/emulator/beam/erl_node_tables.c
+++ b/erts/emulator/beam/erl_node_tables.c
@@ -85,21 +85,20 @@ dist_table_cmp(void *dep1, void *dep2)
static void*
dist_table_alloc(void *dep_tmpl)
{
- Eterm chnl_nr;
Eterm sysname;
DistEntry *dep;
erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_RWMTX_OPT_DEFAULT_INITER;
rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_FREQUENT_READ;
sysname = ((DistEntry *) dep_tmpl)->sysname;
- chnl_nr = make_small((Uint) atom_val(sysname));
dep = (DistEntry *) erts_alloc(ERTS_ALC_T_DIST_ENTRY, sizeof(DistEntry));
dist_entries++;
dep->prev = NULL;
erts_smp_refc_init(&dep->refc, -1);
- erts_smp_rwmtx_init_opt_x(&dep->rwmtx, &rwmtx_opt, "dist_entry", chnl_nr);
+ erts_smp_rwmtx_init_opt(&dep->rwmtx, &rwmtx_opt, "dist_entry", sysname,
+ ERTS_LOCK_FLAGS_CATEGORY_DISTRIBUTION);
dep->sysname = sysname;
dep->cid = NIL;
dep->connection_id = 0;
@@ -107,12 +106,14 @@ dist_table_alloc(void *dep_tmpl)
dep->flags = 0;
dep->version = 0;
- erts_smp_mtx_init_x(&dep->lnk_mtx, "dist_entry_links", chnl_nr);
+ erts_smp_mtx_init(&dep->lnk_mtx, "dist_entry_links", sysname,
+ ERTS_LOCK_FLAGS_CATEGORY_DISTRIBUTION);
dep->node_links = NULL;
dep->nlinks = NULL;
dep->monitors = NULL;
- erts_smp_mtx_init_x(&dep->qlock, "dist_entry_out_queue", chnl_nr);
+ erts_smp_mtx_init(&dep->qlock, "dist_entry_out_queue", sysname,
+ ERTS_LOCK_FLAGS_CATEGORY_DISTRIBUTION);
dep->qflgs = 0;
dep->qsize = 0;
dep->out_queue.first = NULL;
@@ -760,8 +761,10 @@ void erts_init_node_tables(int dd_sec)
rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_FREQUENT_READ;
rwmtx_opt.lived = ERTS_SMP_RWMTX_LONG_LIVED;
- erts_smp_rwmtx_init_opt(&erts_node_table_rwmtx, &rwmtx_opt, "node_table");
- erts_smp_rwmtx_init_opt(&erts_dist_table_rwmtx, &rwmtx_opt, "dist_table");
+ erts_smp_rwmtx_init_opt(&erts_node_table_rwmtx, &rwmtx_opt, "node_table", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_DISTRIBUTION);
+ erts_smp_rwmtx_init_opt(&erts_dist_table_rwmtx, &rwmtx_opt, "dist_table", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_DISTRIBUTION);
f.hash = (H_FUN) dist_table_hash;
f.cmp = (HCMP_FUN) dist_table_cmp;
@@ -818,6 +821,33 @@ int erts_lc_is_de_rlocked(DistEntry *dep)
#endif
#endif
+#ifdef ERTS_ENABLE_LOCK_COUNT
+
+static void erts_lcnt_enable_dist_lock_count(void *dep_raw, void *enable) {
+ DistEntry *dep = (DistEntry*)dep_raw;
+
+ if(enable) {
+ erts_lcnt_install_new_lock_info(&dep->rwmtx.lcnt, "dist_entry", dep->sysname,
+ ERTS_LOCK_TYPE_RWMUTEX | ERTS_LOCK_FLAGS_CATEGORY_DISTRIBUTION);
+ erts_lcnt_install_new_lock_info(&dep->lnk_mtx.lcnt, "dist_entry_links", dep->sysname,
+ ERTS_LOCK_TYPE_MUTEX | ERTS_LOCK_FLAGS_CATEGORY_DISTRIBUTION);
+ erts_lcnt_install_new_lock_info(&dep->qlock.lcnt, "dist_entry_out_queue", dep->sysname,
+ ERTS_LOCK_TYPE_MUTEX | ERTS_LOCK_FLAGS_CATEGORY_DISTRIBUTION);
+ } else {
+ erts_lcnt_uninstall(&dep->rwmtx.lcnt);
+ erts_lcnt_uninstall(&dep->lnk_mtx.lcnt);
+ erts_lcnt_uninstall(&dep->qlock.lcnt);
+ }
+}
+
+void erts_lcnt_update_distribution_locks(int enable) {
+ erts_smp_rwmtx_rlock(&erts_dist_table_rwmtx);
+ hash_foreach(&erts_dist_table, erts_lcnt_enable_dist_lock_count,
+ (void*)(UWord)enable);
+ erts_smp_rwmtx_runlock(&erts_dist_table_rwmtx);
+}
+#endif
+
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
* The following is only supposed to be used for testing, and debugging. *
* *
diff --git a/erts/emulator/beam/erl_node_tables.h b/erts/emulator/beam/erl_node_tables.h
index 489da1ba17..91bcb4fce1 100644
--- a/erts/emulator/beam/erl_node_tables.h
+++ b/erts/emulator/beam/erl_node_tables.h
@@ -195,6 +195,10 @@ int erts_lc_is_de_rwlocked(DistEntry *);
int erts_lc_is_de_rlocked(DistEntry *);
#endif
+#ifdef ERTS_ENABLE_LOCK_COUNT
+void erts_lcnt_update_distribution_locks(int enable);
+#endif
+
ERTS_GLB_INLINE void erts_deref_dist_entry(DistEntry *dep);
ERTS_GLB_INLINE void erts_deref_node_entry(ErlNode *np);
ERTS_GLB_INLINE void erts_smp_de_rlock(DistEntry *dep);
diff --git a/erts/emulator/beam/erl_port_task.h b/erts/emulator/beam/erl_port_task.h
index ab536c6f27..4e2e168320 100644
--- a/erts/emulator/beam/erl_port_task.h
+++ b/erts/emulator/beam/erl_port_task.h
@@ -188,13 +188,7 @@ erts_port_task_init_sched(ErtsPortTaskSched *ptsp, Eterm instr_id)
ptsp->taskq.in.last = NULL;
erts_smp_atomic32_init_nob(&ptsp->flags, 0);
#ifdef ERTS_SMP
-#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_mtx_init_x_opt(&ptsp->mtx, lock_str, instr_id,
- ((erts_lcnt_rt_options & ERTS_LCNT_OPT_PORTLOCK)
- ? 0 : ERTS_LCNT_LT_DISABLE));
-#else
- erts_mtx_init_x(&ptsp->mtx, lock_str, instr_id);
-#endif
+ erts_mtx_init(&ptsp->mtx, lock_str, instr_id, ERTS_LOCK_FLAGS_CATEGORY_IO);
#endif
}
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index da27c7e7c6..f18537bcf1 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -789,7 +789,9 @@ erts_late_init_process(void)
{
int ix;
- erts_smp_spinlock_init(&erts_sched_stat.lock, "sched_stat");
+ erts_smp_spinlock_init(&erts_sched_stat.lock, "sched_stat", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_SCHEDULER);
+
for (ix = 0; ix < ERTS_NO_PRIO_LEVELS; ix++) {
Eterm atom;
char *atom_str;
@@ -1958,12 +1960,13 @@ erts_schedule_multi_misc_aux_work(int ignore_self,
int id, self = 0;
if (ignore_self) {
- ErtsSchedulerData *esdp = erts_get_scheduler_data();
-#ifdef ERTS_DIRTY_SCHEDULERS
- ASSERT(!ERTS_SCHEDULER_IS_DIRTY(esdp));
-#endif
- if (esdp)
- self = (int) esdp->no;
+ ErtsSchedulerData *esdp = erts_get_scheduler_data();
+
+ /* ignore_self is meaningless on dirty schedulers since aux work can
+ * only run on normal schedulers, and their ids do not translate. */
+ if(esdp && !ERTS_SCHEDULER_IS_DIRTY(esdp)) {
+ self = (int)esdp->no;
+ }
}
ASSERT(0 < max_sched && max_sched <= erts_no_schedulers);
@@ -6183,13 +6186,17 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online
* id if the esdp->no <-> ix+1 mapping change.
*/
- erts_smp_mtx_init_x(&rq->mtx, "run_queue", make_small(ix + 1));
+ erts_smp_mtx_init(&rq->mtx, "run_queue", make_small(ix + 1),
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_SCHEDULER);
erts_smp_cnd_init(&rq->cnd);
#ifdef ERTS_DIRTY_SCHEDULERS
#ifdef ERTS_SMP
- if (ERTS_RUNQ_IX_IS_DIRTY(ix))
- erts_smp_spinlock_init(&rq->sleepers.lock, "dirty_run_queue_sleep_list");
+ if (ERTS_RUNQ_IX_IS_DIRTY(ix)) {
+ erts_smp_spinlock_init(&rq->sleepers.lock, "dirty_run_queue_sleep_list",
+ make_small(ix + 1),
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_SCHEDULER);
+ }
rq->sleepers.list = NULL;
#endif
#endif
@@ -6382,7 +6389,8 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online
init_no_runqs(no_schedulers_online, no_schedulers_online);
balance_info.last_active_runqs = no_schedulers;
- erts_smp_mtx_init(&balance_info.update_mtx, "migration_info_update");
+ erts_smp_mtx_init(&balance_info.update_mtx, "migration_info_update", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_SCHEDULER);
balance_info.forced_check_balance = 0;
balance_info.halftime = 1;
balance_info.full_reds_history_index = 0;
@@ -7439,7 +7447,8 @@ sched_set_suspended_sleeptype(ErtsSchedulerSleepInfo *ssi)
static void
init_scheduler_suspend(void)
{
- erts_smp_mtx_init(&schdlr_sspnd.mtx, "schdlr_sspnd");
+ erts_smp_mtx_init(&schdlr_sspnd.mtx, "schdlr_sspnd", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_SCHEDULER);
schdlr_sspnd.online.normal = 1;
schdlr_sspnd.curr_online.normal = 1;
schdlr_sspnd.active.normal = 1;
diff --git a/erts/emulator/beam/erl_process_lock.c b/erts/emulator/beam/erl_process_lock.c
index 59577bf422..23c7414901 100644
--- a/erts/emulator/beam/erl_process_lock.c
+++ b/erts/emulator/beam/erl_process_lock.c
@@ -112,21 +112,13 @@ static struct {
erts_pix_lock_t erts_pix_locks[ERTS_NO_OF_PIX_LOCKS];
-#ifdef ERTS_ENABLE_LOCK_COUNT
-static void lcnt_enable_proc_lock_count(Process *proc, int enable);
-#endif
-
void
erts_init_proc_lock(int cpus)
{
int i;
for (i = 0; i < ERTS_NO_OF_PIX_LOCKS; i++) {
-#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_mtx_init_x(&erts_pix_locks[i].u.mtx,
- "pix_lock", make_small(i));
-#else
- erts_mtx_init(&erts_pix_locks[i].u.mtx, "pix_lock");
-#endif
+ erts_mtx_init(&erts_pix_locks[i].u.mtx, "pix_lock", make_small(i),
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_PROCESS);
}
#if ERTS_PROC_LOCK_OWN_IMPL
erts_thr_install_exit_handler(cleanup_tse);
@@ -1062,32 +1054,38 @@ erts_proc_lock_init(Process *p)
#endif
#elif ERTS_PROC_LOCK_RAW_MUTEX_IMPL
- erts_mtx_init_x(&p->lock.main, "proc_main", p->common.id);
+ erts_mtx_init(&p->lock.main, "proc_main", p->common.id,
+ ERTS_LOCK_FLAGS_CATEGORY_PROCESS);
ethr_mutex_lock(&p->lock.main.mtx);
#ifdef ERTS_ENABLE_LOCK_CHECK
erts_lc_trylock(1, &p->lock.main.lc);
#endif
- erts_mtx_init_x(&p->lock.link, "proc_link", p->common.id);
+ erts_mtx_init(&p->lock.link, "proc_link", p->common.id,
+ ERTS_LOCK_FLAGS_CATEGORY_PROCESS);
ethr_mutex_lock(&p->lock.link.mtx);
#ifdef ERTS_ENABLE_LOCK_CHECK
erts_lc_trylock(1, &p->lock.link.lc);
#endif
- erts_mtx_init_x(&p->lock.msgq, "proc_msgq", p->common.id);
+ erts_mtx_init(&p->lock.msgq, "proc_msgq", p->common.id,
+ ERTS_LOCK_FLAGS_CATEGORY_PROCESS);
ethr_mutex_lock(&p->lock.msgq.mtx);
#ifdef ERTS_ENABLE_LOCK_CHECK
erts_lc_trylock(1, &p->lock.msgq.lc);
#endif
- erts_mtx_init_x(&p->lock.btm, "proc_btm", p->common.id);
+ erts_mtx_init(&p->lock.btm, "proc_btm", p->common.id,
+ ERTS_LOCK_FLAGS_CATEGORY_PROCESS);
ethr_mutex_lock(&p->lock.btm.mtx);
#ifdef ERTS_ENABLE_LOCK_CHECK
erts_lc_trylock(1, &p->lock.btm.lc);
#endif
- erts_mtx_init_x(&p->lock.status, "proc_status", p->common.id);
+ erts_mtx_init(&p->lock.status, "proc_status", p->common.id,
+ ERTS_LOCK_FLAGS_CATEGORY_PROCESS);
ethr_mutex_lock(&p->lock.status.mtx);
#ifdef ERTS_ENABLE_LOCK_CHECK
erts_lc_trylock(1, &p->lock.status.lc);
#endif
- erts_mtx_init_x(&p->lock.trace, "proc_trace", p->common.id);
+ erts_mtx_init(&p->lock.trace, "proc_trace", p->common.id,
+ ERTS_LOCK_FLAGS_CATEGORY_PROCESS);
ethr_mutex_lock(&p->lock.trace.mtx);
#ifdef ERTS_ENABLE_LOCK_CHECK
erts_lc_trylock(1, &p->lock.trace.lc);
@@ -1124,21 +1122,11 @@ erts_proc_lock_fin(Process *p)
#if ERTS_PROC_LOCK_OWN_IMPL && defined(ERTS_ENABLE_LOCK_COUNT)
-void erts_lcnt_enable_proc_lock_count(int enable) {
- int ix, max = erts_ptab_max(&erts_proc);
- Process *proc = NULL;
- for(ix = 0; ix < max; ++ix) {
- if((proc = erts_pix2proc(ix)) != NULL) {
- lcnt_enable_proc_lock_count(proc, enable);
- }
- } /* for all processes */
-}
-
void erts_lcnt_proc_lock_init(Process *p) {
erts_lcnt_init_ref(&p->lock.lcnt_carrier);
- if (erts_lcnt_rt_options & ERTS_LCNT_OPT_PROCLOCK) {
- lcnt_enable_proc_lock_count(p, 1);
+ if(erts_lcnt_check_enabled(ERTS_LOCK_FLAGS_CATEGORY_PROCESS)) {
+ erts_lcnt_enable_proc_lock_count(p, 1);
}
} /* logic reversed */
@@ -1146,30 +1134,55 @@ void erts_lcnt_proc_lock_destroy(Process *p) {
erts_lcnt_uninstall(&p->lock.lcnt_carrier);
}
-static void lcnt_enable_proc_lock_count(Process *proc, int enable) {
- if (enable) {
+void erts_lcnt_enable_proc_lock_count(Process *proc, int enable) {
+ if(proc->common.id == ERTS_INVALID_PID) {
+ /* Locks without an id are more trouble than they're worth; there's no
+ * way to look them up and we can't track them with _STATIC since it's
+ * too early to tell whether we're a system process (proc->static_flags
+ * hasn't been not set yet). */
+ } else if(!enable) {
+ erts_lcnt_proc_lock_destroy(proc);
+ } else if(!erts_lcnt_check_ref_installed(&proc->lock.lcnt_carrier)) {
erts_lcnt_lock_info_carrier_t *carrier;
- Eterm pid;
carrier = erts_lcnt_create_lock_info_carrier(ERTS_LCNT_PROCLOCK_COUNT);
- pid = (proc->common.id != ERTS_INVALID_PID) ? proc->common.id : NIL;
-
- erts_lcnt_init_lock_info_x_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_MAIN,
- "proc_main", ERTS_LCNT_LT_PROCLOCK, pid);
- erts_lcnt_init_lock_info_x_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_LINK,
- "proc_link", ERTS_LCNT_LT_PROCLOCK, pid);
- erts_lcnt_init_lock_info_x_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_MSGQ,
- "proc_msgq", ERTS_LCNT_LT_PROCLOCK, pid);
- erts_lcnt_init_lock_info_x_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_BTM,
- "proc_btm", ERTS_LCNT_LT_PROCLOCK, pid);
- erts_lcnt_init_lock_info_x_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_STATUS,
- "proc_status",ERTS_LCNT_LT_PROCLOCK, pid);
- erts_lcnt_init_lock_info_x_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_TRACE,
- "proc_trace", ERTS_LCNT_LT_PROCLOCK, pid);
+
+ erts_lcnt_init_lock_info_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_MAIN,
+ "proc_main", proc->common.id, ERTS_LOCK_TYPE_PROCLOCK);
+ erts_lcnt_init_lock_info_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_LINK,
+ "proc_link", proc->common.id, ERTS_LOCK_TYPE_PROCLOCK);
+ erts_lcnt_init_lock_info_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_MSGQ,
+ "proc_msgq", proc->common.id, ERTS_LOCK_TYPE_PROCLOCK);
+ erts_lcnt_init_lock_info_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_BTM,
+ "proc_btm", proc->common.id, ERTS_LOCK_TYPE_PROCLOCK);
+ erts_lcnt_init_lock_info_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_STATUS,
+ "proc_status",proc->common.id, ERTS_LOCK_TYPE_PROCLOCK);
+ erts_lcnt_init_lock_info_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_TRACE,
+ "proc_trace", proc->common.id, ERTS_LOCK_TYPE_PROCLOCK);
erts_lcnt_install(&proc->lock.lcnt_carrier, carrier);
- } else {
- erts_lcnt_proc_lock_destroy(proc);
+ }
+}
+
+void erts_lcnt_update_process_locks(int enable) {
+ int i, max;
+
+ max = erts_ptab_max(&erts_proc);
+
+ for(i = 0; i < max; i++) {
+ int delay_handle;
+ Process *proc;
+
+ delay_handle = erts_thr_progress_unmanaged_delay();
+ proc = erts_pix2proc(i);
+
+ if(proc != NULL) {
+ erts_lcnt_enable_proc_lock_count(proc, enable);
+ }
+
+ if(delay_handle != ERTS_THR_PRGR_DHANDLE_MANAGED) {
+ erts_thr_progress_unmanaged_continue(delay_handle);
+ }
}
}
diff --git a/erts/emulator/beam/erl_process_lock.h b/erts/emulator/beam/erl_process_lock.h
index b4a5ef3f28..023ba4d4ae 100644
--- a/erts/emulator/beam/erl_process_lock.h
+++ b/erts/emulator/beam/erl_process_lock.h
@@ -263,7 +263,8 @@ void erts_lcnt_proc_unlock(erts_proc_lock_t *lock, ErtsProcLocks locks);
ERTS_GLB_INLINE
void erts_lcnt_proc_trylock(erts_proc_lock_t *lock, ErtsProcLocks locks, int res);
-void erts_lcnt_enable_proc_lock_count(int enable);
+void erts_lcnt_enable_proc_lock_count(Process *proc, int enable);
+void erts_lcnt_update_process_locks(int enable);
#if ERTS_GLB_INLINE_INCL_FUNC_DEF
diff --git a/erts/emulator/beam/erl_ptab.c b/erts/emulator/beam/erl_ptab.c
index c3d59cb3a8..b3bcb3af3f 100644
--- a/erts/emulator/beam/erl_ptab.c
+++ b/erts/emulator/beam/erl_ptab.c
@@ -372,7 +372,8 @@ erts_ptab_init_table(ErtsPTab *ptab,
rwmtx_opts.type = ERTS_SMP_RWMTX_TYPE_EXTREMELY_FREQUENT_READ;
rwmtx_opts.lived = ERTS_SMP_RWMTX_LONG_LIVED;
- erts_smp_rwmtx_init_opt(&ptab->list.data.rwmtx, &rwmtx_opts, name);
+ erts_smp_rwmtx_init_opt(&ptab->list.data.rwmtx, &rwmtx_opts, name, NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
erts_smp_atomic32_init_nob(&ptab->vola.tile.count, 0);
last_data_init_nob(ptab, ~((Uint64) 0));
diff --git a/erts/emulator/beam/erl_smp.h b/erts/emulator/beam/erl_smp.h
index 55ba943bdd..3502de5135 100644
--- a/erts/emulator/beam/erl_smp.h
+++ b/erts/emulator/beam/erl_smp.h
@@ -128,14 +128,14 @@ ERTS_GLB_INLINE int erts_smp_equal_tids(erts_smp_tid_t x, erts_smp_tid_t y);
#define ERTS_SMP_HAVE_REC_MTX_INIT 1
ERTS_GLB_INLINE void erts_smp_rec_mtx_init(erts_smp_mtx_t *mtx);
#endif
-ERTS_GLB_INLINE void erts_smp_mtx_init_x(erts_smp_mtx_t *mtx,
- char *name,
- Eterm extra);
-ERTS_GLB_INLINE void erts_smp_mtx_init_locked_x(erts_smp_mtx_t *mtx,
- char *name,
- Eterm extra);
-ERTS_GLB_INLINE void erts_smp_mtx_init(erts_smp_mtx_t *mtx, char *name);
-ERTS_GLB_INLINE void erts_smp_mtx_init_locked(erts_smp_mtx_t *mtx, char *name);
+ERTS_GLB_INLINE void erts_smp_mtx_init(erts_smp_mtx_t *mtx,
+ char *name,
+ Eterm extra,
+ erts_lock_flags_t flags);
+ERTS_GLB_INLINE void erts_smp_mtx_init_locked(erts_smp_mtx_t *mtx,
+ char *name,
+ Eterm extra,
+ erts_lock_flags_t flags);
ERTS_GLB_INLINE void erts_smp_mtx_destroy(erts_smp_mtx_t *mtx);
#ifdef ERTS_ENABLE_LOCK_POSITION
ERTS_GLB_INLINE int erts_smp_mtx_trylock_x(erts_smp_mtx_t *mtx, char *file, unsigned int line);
@@ -153,18 +153,15 @@ ERTS_GLB_INLINE void erts_smp_cnd_wait(erts_smp_cnd_t *cnd,
ERTS_GLB_INLINE void erts_smp_cnd_signal(erts_smp_cnd_t *cnd);
ERTS_GLB_INLINE void erts_smp_cnd_broadcast(erts_smp_cnd_t *cnd);
ERTS_GLB_INLINE void erts_smp_rwmtx_set_reader_group(int no);
-ERTS_GLB_INLINE void erts_smp_rwmtx_init_opt_x(erts_smp_rwmtx_t *rwmtx,
- erts_smp_rwmtx_opt_t *opt,
- char *name,
- Eterm extra);
-ERTS_GLB_INLINE void erts_smp_rwmtx_init_x(erts_smp_rwmtx_t *rwmtx,
- char *name,
- Eterm extra);
ERTS_GLB_INLINE void erts_smp_rwmtx_init_opt(erts_smp_rwmtx_t *rwmtx,
- erts_smp_rwmtx_opt_t *opt,
- char *name);
+ erts_smp_rwmtx_opt_t *opt,
+ char *name,
+ Eterm extra,
+ erts_lock_flags_t flags);
ERTS_GLB_INLINE void erts_smp_rwmtx_init(erts_smp_rwmtx_t *rwmtx,
- char *name);
+ char *name,
+ Eterm extra,
+ erts_lock_flags_t flags);
ERTS_GLB_INLINE void erts_smp_rwmtx_destroy(erts_smp_rwmtx_t *rwmtx);
#ifdef ERTS_ENABLE_LOCK_POSITION
ERTS_GLB_INLINE int erts_smp_rwmtx_tryrlock_x(erts_smp_rwmtx_t *rwmtx, char *file, unsigned int line);
@@ -181,11 +178,10 @@ ERTS_GLB_INLINE void erts_smp_rwmtx_runlock(erts_smp_rwmtx_t *rwmtx);
ERTS_GLB_INLINE void erts_smp_rwmtx_rwunlock(erts_smp_rwmtx_t *rwmtx);
ERTS_GLB_INLINE int erts_smp_lc_rwmtx_is_rlocked(erts_smp_rwmtx_t *mtx);
ERTS_GLB_INLINE int erts_smp_lc_rwmtx_is_rwlocked(erts_smp_rwmtx_t *mtx);
-ERTS_GLB_INLINE void erts_smp_spinlock_init_x(erts_smp_spinlock_t *lock,
- char *name,
- Eterm extra);
ERTS_GLB_INLINE void erts_smp_spinlock_init(erts_smp_spinlock_t *lock,
- char *name);
+ char *name,
+ Eterm extra,
+ erts_lock_flags_t flags);
ERTS_GLB_INLINE void erts_smp_spinlock_destroy(erts_smp_spinlock_t *lock);
ERTS_GLB_INLINE void erts_smp_spin_unlock(erts_smp_spinlock_t *lock);
#ifdef ERTS_ENABLE_LOCK_POSITION
@@ -194,11 +190,10 @@ ERTS_GLB_INLINE void erts_smp_spin_lock_x(erts_smp_spinlock_t *lock, char *file,
ERTS_GLB_INLINE void erts_smp_spin_lock(erts_smp_spinlock_t *lock);
#endif
ERTS_GLB_INLINE int erts_smp_lc_spinlock_is_locked(erts_smp_spinlock_t *lock);
-ERTS_GLB_INLINE void erts_smp_rwlock_init_x(erts_smp_rwlock_t *lock,
- char *name,
- Eterm extra);
ERTS_GLB_INLINE void erts_smp_rwlock_init(erts_smp_rwlock_t *lock,
- char *name);
+ char *name,
+ Eterm extra,
+ erts_lock_flags_t flags);
ERTS_GLB_INLINE void erts_smp_rwlock_destroy(erts_smp_rwlock_t *lock);
ERTS_GLB_INLINE void erts_smp_read_unlock(erts_smp_rwlock_t *lock);
#ifdef ERTS_ENABLE_LOCK_POSITION
@@ -1062,34 +1057,18 @@ erts_smp_rec_mtx_init(erts_smp_mtx_t *mtx)
#endif
ERTS_GLB_INLINE void
-erts_smp_mtx_init_x(erts_smp_mtx_t *mtx, char *name, Eterm extra)
+erts_smp_mtx_init(erts_smp_mtx_t *mtx, char *name, Eterm extra, erts_lock_flags_t flags)
{
#ifdef ERTS_SMP
- erts_mtx_init_x(mtx, name, extra);
+ erts_mtx_init(mtx, name, extra, flags);
#endif
}
ERTS_GLB_INLINE void
-erts_smp_mtx_init_locked_x(erts_smp_mtx_t *mtx, char *name, Eterm extra)
+erts_smp_mtx_init_locked(erts_smp_mtx_t *mtx, char *name, Eterm extra, erts_lock_flags_t flags)
{
#ifdef ERTS_SMP
- erts_mtx_init_locked_x_opt(mtx, name, extra, 0);
-#endif
-}
-
-ERTS_GLB_INLINE void
-erts_smp_mtx_init(erts_smp_mtx_t *mtx, char *name)
-{
-#ifdef ERTS_SMP
- erts_mtx_init(mtx, name);
-#endif
-}
-
-ERTS_GLB_INLINE void
-erts_smp_mtx_init_locked(erts_smp_mtx_t *mtx, char *name)
-{
-#ifdef ERTS_SMP
- erts_mtx_init_locked(mtx, name);
+ erts_mtx_init_locked(mtx, name, extra, flags);
#endif
}
@@ -1211,39 +1190,25 @@ erts_smp_rwmtx_set_reader_group(int no)
}
ERTS_GLB_INLINE void
-erts_smp_rwmtx_init_opt_x(erts_smp_rwmtx_t *rwmtx,
- erts_smp_rwmtx_opt_t *opt,
- char *name,
- Eterm extra)
-{
-#ifdef ERTS_SMP
- erts_rwmtx_init_opt_x(rwmtx, opt, name, extra);
-#endif
-}
-
-ERTS_GLB_INLINE void
-erts_smp_rwmtx_init_x(erts_smp_rwmtx_t *rwmtx, char *name, Eterm extra)
+erts_smp_rwmtx_init(erts_smp_rwmtx_t *rwmtx,
+ char *name,
+ Eterm extra,
+ erts_lock_flags_t flags)
{
#ifdef ERTS_SMP
- erts_rwmtx_init_x(rwmtx, name, extra);
+ erts_smp_rwmtx_init_opt(rwmtx, NULL, name, extra, flags);
#endif
}
ERTS_GLB_INLINE void
erts_smp_rwmtx_init_opt(erts_smp_rwmtx_t *rwmtx,
- erts_smp_rwmtx_opt_t *opt,
- char *name)
-{
-#ifdef ERTS_SMP
- erts_rwmtx_init_opt(rwmtx, opt, name);
-#endif
-}
-
-ERTS_GLB_INLINE void
-erts_smp_rwmtx_init(erts_smp_rwmtx_t *rwmtx, char *name)
+ erts_smp_rwmtx_opt_t *opt,
+ char *name,
+ Eterm extra,
+ erts_lock_flags_t flags)
{
#ifdef ERTS_SMP
- erts_rwmtx_init(rwmtx, name);
+ erts_rwmtx_init_opt(rwmtx, opt, name, extra, flags);
#endif
}
@@ -1379,20 +1344,10 @@ erts_smp_lc_rwmtx_is_rwlocked(erts_smp_rwmtx_t *mtx)
}
ERTS_GLB_INLINE void
-erts_smp_spinlock_init_x(erts_smp_spinlock_t *lock, char *name, Eterm extra)
-{
-#ifdef ERTS_SMP
- erts_spinlock_init_x(lock, name, extra);
-#else
- (void)lock;
-#endif
-}
-
-ERTS_GLB_INLINE void
-erts_smp_spinlock_init(erts_smp_spinlock_t *lock, char *name)
+erts_smp_spinlock_init(erts_smp_spinlock_t *lock, char *name, Eterm extra, erts_lock_flags_t flags)
{
#ifdef ERTS_SMP
- erts_spinlock_init(lock, name);
+ erts_spinlock_init(lock, name, extra, flags);
#else
(void)lock;
#endif
@@ -1445,20 +1400,10 @@ erts_smp_lc_spinlock_is_locked(erts_smp_spinlock_t *lock)
}
ERTS_GLB_INLINE void
-erts_smp_rwlock_init_x(erts_smp_rwlock_t *lock, char *name, Eterm extra)
-{
-#ifdef ERTS_SMP
- erts_rwlock_init_x(lock, name, extra);
-#else
- (void)lock;
-#endif
-}
-
-ERTS_GLB_INLINE void
-erts_smp_rwlock_init(erts_smp_rwlock_t *lock, char *name)
+erts_smp_rwlock_init(erts_smp_rwlock_t *lock, char *name, Eterm extra, erts_lock_flags_t flags)
{
#ifdef ERTS_SMP
- erts_rwlock_init(lock, name);
+ erts_rwlock_init(lock, name, extra, flags);
#else
(void)lock;
#endif
diff --git a/erts/emulator/beam/erl_threads.h b/erts/emulator/beam/erl_threads.h
index f7b53f5ef3..3b13defdc6 100644
--- a/erts/emulator/beam/erl_threads.h
+++ b/erts/emulator/beam/erl_threads.h
@@ -259,13 +259,16 @@
#include "sys.h"
+#include "erl_lock_flags.h"
+#include "erl_term.h"
+
#ifdef USE_THREADS
#define ETHR_TRY_INLINE_FUNCS
#include "ethread.h"
+
#include "erl_lock_check.h"
#include "erl_lock_count.h"
-#include "erl_term.h"
#if defined(__GLIBC__) && (__GLIBC__ << 16) + __GLIBC_MINOR__ < (2 << 16) + 4
/*
@@ -309,7 +312,9 @@ typedef struct {
#ifdef ERTS_ENABLE_LOCK_COUNT
erts_lcnt_ref_t lcnt;
#endif
-
+#ifdef DEBUG
+ erts_lock_flags_t flags;
+#endif
} erts_mtx_t;
typedef ethr_cond erts_cnd_t;
@@ -322,6 +327,9 @@ typedef struct {
#ifdef ERTS_ENABLE_LOCK_COUNT
erts_lcnt_ref_t lcnt;
#endif
+#ifdef DEBUG
+ erts_lock_flags_t flags;
+#endif
} erts_rwmtx_t;
#define ERTS_MTX_OPT_DEFAULT_INITER ETHR_MUTEX_OPT_DEFAULT_INITER
@@ -367,6 +375,9 @@ typedef struct {
#ifdef ERTS_ENABLE_LOCK_COUNT
erts_lcnt_ref_t lcnt;
#endif
+#ifdef DEBUG
+ erts_lock_flags_t flags;
+#endif
} erts_spinlock_t;
/* rwlock */
@@ -378,6 +389,9 @@ typedef struct {
#ifdef ERTS_ENABLE_LOCK_COUNT
erts_lcnt_ref_t lcnt;
#endif
+#ifdef DEBUG
+ erts_lock_flags_t flags;
+#endif
} erts_rwlock_t;
__decl_noreturn void __noreturn erts_thr_fatal_error(int, char *);
@@ -479,11 +493,14 @@ ERTS_GLB_INLINE void erts_thr_install_exit_handler(void (*exit_handler)(void));
ERTS_GLB_INLINE erts_tid_t erts_thr_self(void);
ERTS_GLB_INLINE int erts_thr_getname(erts_tid_t tid, char *buf, size_t len);
ERTS_GLB_INLINE int erts_equal_tids(erts_tid_t x, erts_tid_t y);
-ERTS_GLB_INLINE void erts_mtx_init_x(erts_mtx_t *mtx, char *name, Eterm extra);
-ERTS_GLB_INLINE void erts_mtx_init_x_opt(erts_mtx_t *mtx, char *name, Eterm extra, Uint16 opt);
-ERTS_GLB_INLINE void erts_mtx_init_locked_x_opt(erts_mtx_t *mtx, char *name, Eterm extra, Uint16 opt);
-ERTS_GLB_INLINE void erts_mtx_init(erts_mtx_t *mtx, char *name);
-ERTS_GLB_INLINE void erts_mtx_init_locked(erts_mtx_t *mtx, char *name);
+ERTS_GLB_INLINE void erts_mtx_init(erts_mtx_t *mtx,
+ char *name,
+ Eterm extra,
+ erts_lock_flags_t flags);
+ERTS_GLB_INLINE void erts_mtx_init_locked(erts_mtx_t *mtx,
+ char *name,
+ Eterm extra,
+ erts_lock_flags_t flags);
ERTS_GLB_INLINE void erts_mtx_destroy(erts_mtx_t *mtx);
#ifdef ERTS_ENABLE_LOCK_POSITION
ERTS_GLB_INLINE int erts_mtx_trylock_x(erts_mtx_t *mtx, char *file,
@@ -502,18 +519,15 @@ ERTS_GLB_INLINE void erts_cnd_wait(erts_cnd_t *cnd, erts_mtx_t *mtx);
ERTS_GLB_INLINE void erts_cnd_signal(erts_cnd_t *cnd);
ERTS_GLB_INLINE void erts_cnd_broadcast(erts_cnd_t *cnd);
ERTS_GLB_INLINE void erts_rwmtx_set_reader_group(int no);
-ERTS_GLB_INLINE void erts_rwmtx_init_opt_x(erts_rwmtx_t *rwmtx,
- erts_rwmtx_opt_t *opt,
- char *name,
- Eterm extra);
-ERTS_GLB_INLINE void erts_rwmtx_init_x(erts_rwmtx_t *rwmtx,
- char *name,
- Eterm extra);
ERTS_GLB_INLINE void erts_rwmtx_init_opt(erts_rwmtx_t *rwmtx,
- erts_rwmtx_opt_t *opt,
- char *name);
+ erts_rwmtx_opt_t *opt,
+ char *name,
+ Eterm extra,
+ erts_lock_flags_t flags);
ERTS_GLB_INLINE void erts_rwmtx_init(erts_rwmtx_t *rwmtx,
- char *name);
+ char *name,
+ Eterm extra,
+ erts_lock_flags_t flags);
ERTS_GLB_INLINE void erts_rwmtx_destroy(erts_rwmtx_t *rwmtx);
#ifdef ERTS_ENABLE_LOCK_POSITION
ERTS_GLB_INLINE int erts_rwmtx_tryrlock_x(erts_rwmtx_t *rwmtx, char *file, unsigned int line);
@@ -603,16 +617,10 @@ ERTS_GLB_INLINE erts_aint64_t erts_no_atomic64_cmpxchg(erts_no_atomic64_t *xchgp
ERTS_GLB_INLINE erts_aint64_t erts_no_atomic64_read_bset(erts_no_atomic64_t *var,
erts_aint64_t mask,
erts_aint64_t set);
-
-ERTS_GLB_INLINE void erts_spinlock_init_x_opt(erts_spinlock_t *lock,
- char *name,
- Eterm extra,
- Uint16 opt);
-ERTS_GLB_INLINE void erts_spinlock_init_x(erts_spinlock_t *lock,
- char *name,
- Eterm extra);
ERTS_GLB_INLINE void erts_spinlock_init(erts_spinlock_t *lock,
- char *name);
+ char *name,
+ Eterm extra,
+ erts_lock_flags_t flags);
ERTS_GLB_INLINE void erts_spinlock_destroy(erts_spinlock_t *lock);
ERTS_GLB_INLINE void erts_spin_unlock(erts_spinlock_t *lock);
#ifdef ERTS_ENABLE_LOCK_POSITION
@@ -621,11 +629,10 @@ ERTS_GLB_INLINE void erts_spin_lock_x(erts_spinlock_t *lock, char *file, unsigne
ERTS_GLB_INLINE void erts_spin_lock(erts_spinlock_t *lock);
#endif
ERTS_GLB_INLINE int erts_lc_spinlock_is_locked(erts_spinlock_t *lock);
-ERTS_GLB_INLINE void erts_rwlock_init_x(erts_rwlock_t *lock,
- char *name,
- Eterm extra);
ERTS_GLB_INLINE void erts_rwlock_init(erts_rwlock_t *lock,
- char *name);
+ char *name,
+ Eterm extra,
+ erts_lock_flags_t flags);
ERTS_GLB_INLINE void erts_rwlock_destroy(erts_rwlock_t *lock);
ERTS_GLB_INLINE void erts_read_unlock(erts_rwlock_t *lock);
#ifdef ERTS_ENABLE_LOCK_POSITION
@@ -2159,106 +2166,41 @@ erts_equal_tids(erts_tid_t x, erts_tid_t y)
}
ERTS_GLB_INLINE void
-erts_mtx_init_x(erts_mtx_t *mtx, char *name, Eterm extra)
-{
-#ifdef USE_THREADS
- int res = ethr_mutex_init(&mtx->mtx);
- if (res)
- erts_thr_fatal_error(res, "initialize mutex");
-#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_init_lock_x(&mtx->lc, name, ERTS_LC_FLG_LT_MUTEX, extra);
-#endif
-#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_init_ref(&mtx->lcnt);
- erts_lcnt_install_new_lock_info_x(&mtx->lcnt, name, ERTS_LCNT_LT_MUTEX, extra);
-#endif
-#endif
-}
-
-ERTS_GLB_INLINE void
-erts_mtx_init_x_opt(erts_mtx_t *mtx, char *name, Eterm extra, Uint16 opt)
+erts_mtx_init(erts_mtx_t *mtx, char *name, Eterm extra, erts_lock_flags_t flags)
{
#ifdef USE_THREADS
int res = ethr_mutex_init(&mtx->mtx);
- if (res)
- erts_thr_fatal_error(res, "initialize mutex");
-#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_init_lock_x(&mtx->lc, name, ERTS_LC_FLG_LT_MUTEX, extra);
-#endif
-#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_init_ref(&mtx->lcnt);
- if(!(opt & ERTS_LCNT_LT_DISABLE)) { // Incorrect, but preserves the old interface.
- erts_lcnt_install_new_lock_info_x(&mtx->lcnt, name, ERTS_LCNT_LT_MUTEX | opt, extra);
+ if (res) {
+ erts_thr_fatal_error(res, "initialize mutex");
}
-#endif
-#endif
-}
+ flags |= ERTS_LOCK_TYPE_MUTEX;
+#ifdef DEBUG
+ mtx->flags = flags;
+#endif
-ERTS_GLB_INLINE void
-erts_mtx_init_locked_x_opt(erts_mtx_t *mtx, char *name, Eterm extra, Uint16 opt)
-{
-#ifdef USE_THREADS
- int res = ethr_mutex_init(&mtx->mtx);
- if (res)
- erts_thr_fatal_error(res, "initialize mutex");
#ifdef ERTS_ENABLE_LOCK_CHECK
erts_lc_init_lock_x(&mtx->lc, name, ERTS_LC_FLG_LT_MUTEX, extra);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_init_ref(&mtx->lcnt);
- if(!(opt & ERTS_LCNT_LT_DISABLE)) { // Incorrect, but preserves the old interface.
- erts_lcnt_install_new_lock_info_x(&mtx->lcnt, name, ERTS_LCNT_LT_MUTEX, extra);
- }
-#endif
- ethr_mutex_lock(&mtx->mtx);
-#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_trylock(1, &mtx->lc);
-#endif
-#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_trylock(&mtx->lcnt, 1);
-#endif
+ erts_lcnt_init_ref_x(&mtx->lcnt, name, extra, flags);
#endif
+#endif /* USE_THREADS */
}
ERTS_GLB_INLINE void
-erts_mtx_init(erts_mtx_t *mtx, char *name)
+erts_mtx_init_locked(erts_mtx_t *mtx, char *name, Eterm extra, erts_lock_flags_t flags)
{
#ifdef USE_THREADS
- int res = ethr_mutex_init(&mtx->mtx);
- if (res)
- erts_thr_fatal_error(res, "initialize mutex");
-#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_init_lock(&mtx->lc, name, ERTS_LC_FLG_LT_MUTEX);
-#endif
-#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_init_ref(&mtx->lcnt);
- erts_lcnt_install_new_lock_info(&mtx->lcnt, name, ERTS_LCNT_LT_MUTEX);
-#endif
-#endif
-}
+ erts_mtx_init(mtx, name, extra, flags);
-ERTS_GLB_INLINE void
-erts_mtx_init_locked(erts_mtx_t *mtx, char *name)
-{
-#ifdef USE_THREADS
- int res = ethr_mutex_init(&mtx->mtx);
- if (res)
- erts_thr_fatal_error(res, "initialize mutex");
-#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_init_lock(&mtx->lc, name, ERTS_LC_FLG_LT_MUTEX);
-#endif
-#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_init_ref(&mtx->lcnt);
- erts_lcnt_install_new_lock_info(&mtx->lcnt, name, ERTS_LCNT_LT_MUTEX);
-#endif
ethr_mutex_lock(&mtx->mtx);
-#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_trylock(1, &mtx->lc);
-#endif
-#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_trylock(&mtx->lcnt, 1);
-#endif
+ #ifdef ERTS_ENABLE_LOCK_CHECK
+ erts_lc_trylock(1, &mtx->lc);
+ #endif
+ #ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_trylock(&mtx->lcnt, 1);
+ #endif
#endif
}
@@ -2267,6 +2209,9 @@ erts_mtx_destroy(erts_mtx_t *mtx)
{
#ifdef USE_THREADS
int res;
+
+ ASSERT(!(mtx->flags & ERTS_LOCK_FLAGS_PROPERTY_STATIC));
+
#ifdef ERTS_ENABLE_LOCK_CHECK
erts_lc_destroy_lock(&mtx->lc);
#endif
@@ -2477,59 +2422,32 @@ erts_rwmtx_set_reader_group(int no)
}
ERTS_GLB_INLINE void
-erts_rwmtx_init_opt_x(erts_rwmtx_t *rwmtx,
- erts_rwmtx_opt_t *opt,
- char *name,
- Eterm extra)
-{
+erts_rwmtx_init_opt(erts_rwmtx_t *rwmtx, erts_rwmtx_opt_t *opt,
+ char *name, Eterm extra, erts_lock_flags_t flags) {
#ifdef USE_THREADS
int res = ethr_rwmutex_init_opt(&rwmtx->rwmtx, opt);
- if (res != 0)
- erts_thr_fatal_error(res, "initialize rwmutex");
-#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_init_lock_x(&rwmtx->lc, name, ERTS_LC_FLG_LT_RWMUTEX, extra);
-#endif
-#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_init_ref(&rwmtx->lcnt);
- if (name && name[0] == '\0')
- erts_lcnt_install_new_lock_info_x(&rwmtx->lcnt, NULL, ERTS_LCNT_LT_RWMUTEX, extra);
- else
- erts_lcnt_install_new_lock_info_x(&rwmtx->lcnt, name, ERTS_LCNT_LT_RWMUTEX, extra);
-#endif
-#endif
-}
+ if (res != 0) {
+ erts_thr_fatal_error(res, "initialize rwmutex");
+ }
-ERTS_GLB_INLINE void
-erts_rwmtx_init_x(erts_rwmtx_t *rwmtx,
- char *name,
- Eterm extra)
-{
- erts_rwmtx_init_opt_x(rwmtx, NULL, name, extra);
-}
+ flags |= ERTS_LOCK_TYPE_RWMUTEX;
+#ifdef DEBUG
+ rwmtx->flags = flags;
+#endif
-ERTS_GLB_INLINE void
-erts_rwmtx_init_opt(erts_rwmtx_t *rwmtx,
- erts_rwmtx_opt_t *opt,
- char *name)
-{
-#ifdef USE_THREADS
- int res = ethr_rwmutex_init_opt(&rwmtx->rwmtx, opt);
- if (res != 0)
- erts_thr_fatal_error(res, "initialize rwmutex");
#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_init_lock(&rwmtx->lc, name, ERTS_LC_FLG_LT_RWMUTEX);
+ erts_lc_init_lock_x(&rwmtx->lc, name, ERTS_LC_FLG_LT_RWMUTEX, extra);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_init_ref(&rwmtx->lcnt);
- erts_lcnt_install_new_lock_info(&rwmtx->lcnt, name, ERTS_LCNT_LT_RWMUTEX);
-#endif
+ erts_lcnt_init_ref_x(&rwmtx->lcnt, name, extra, flags);
#endif
+#endif /* USE_THREADS */
}
ERTS_GLB_INLINE void
-erts_rwmtx_init(erts_rwmtx_t *rwmtx, char *name)
-{
- erts_rwmtx_init_opt(rwmtx, NULL, name);
+erts_rwmtx_init(erts_rwmtx_t *rwmtx, char *name, Eterm extra,
+ erts_lock_flags_t flags) {
+ erts_rwmtx_init_opt(rwmtx, NULL, name, extra, flags);
}
ERTS_GLB_INLINE void
@@ -2537,6 +2455,9 @@ erts_rwmtx_destroy(erts_rwmtx_t *rwmtx)
{
#ifdef USE_THREADS
int res;
+
+ ASSERT(!(rwmtx->flags & ERTS_LOCK_FLAGS_PROPERTY_STATIC));
+
#ifdef ERTS_ENABLE_LOCK_CHECK
erts_lc_destroy_lock(&rwmtx->lc);
#endif
@@ -2584,7 +2505,7 @@ erts_rwmtx_tryrlock(erts_rwmtx_t *rwmtx)
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_trylock_opt(&rwmtx->lcnt, res, ERTS_LCNT_LO_READ);
+ erts_lcnt_trylock_opt(&rwmtx->lcnt, res, ERTS_LOCK_OPTION_READ);
#endif
return res;
@@ -2609,7 +2530,7 @@ erts_rwmtx_rlock(erts_rwmtx_t *rwmtx)
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_lock_opt(&rwmtx->lcnt, ERTS_LCNT_LO_READ);
+ erts_lcnt_lock_opt(&rwmtx->lcnt, ERTS_LOCK_OPTION_READ);
#endif
ethr_rwmutex_rlock(&rwmtx->rwmtx);
#ifdef ERTS_ENABLE_LOCK_COUNT
@@ -2626,7 +2547,7 @@ erts_rwmtx_runlock(erts_rwmtx_t *rwmtx)
erts_lc_unlock_flg(&rwmtx->lc, ERTS_LC_FLG_LO_READ);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_unlock_opt(&rwmtx->lcnt, ERTS_LCNT_LO_READ);
+ erts_lcnt_unlock_opt(&rwmtx->lcnt, ERTS_LOCK_OPTION_READ);
#endif
ethr_rwmutex_runlock(&rwmtx->rwmtx);
#endif
@@ -2659,7 +2580,7 @@ erts_rwmtx_tryrwlock(erts_rwmtx_t *rwmtx)
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_trylock_opt(&rwmtx->lcnt, res, ERTS_LCNT_LO_READ_WRITE);
+ erts_lcnt_trylock_opt(&rwmtx->lcnt, res, ERTS_LOCK_OPTION_RDWR);
#endif
return res;
@@ -2684,7 +2605,7 @@ erts_rwmtx_rwlock(erts_rwmtx_t *rwmtx)
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_lock_opt(&rwmtx->lcnt, ERTS_LCNT_LO_READ_WRITE);
+ erts_lcnt_lock_opt(&rwmtx->lcnt, ERTS_LOCK_OPTION_RDWR);
#endif
ethr_rwmutex_rwlock(&rwmtx->rwmtx);
#ifdef ERTS_ENABLE_LOCK_COUNT
@@ -2701,7 +2622,7 @@ erts_rwmtx_rwunlock(erts_rwmtx_t *rwmtx)
erts_lc_unlock_flg(&rwmtx->lc, ERTS_LC_FLG_LO_READ_WRITE);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_unlock_opt(&rwmtx->lcnt, ERTS_LCNT_LO_READ_WRITE);
+ erts_lcnt_unlock_opt(&rwmtx->lcnt, ERTS_LOCK_OPTION_RDWR);
#endif
ethr_rwmutex_rwunlock(&rwmtx->rwmtx);
#endif
@@ -3086,62 +3007,26 @@ erts_no_atomic64_read_bset(erts_no_atomic64_t *var,
/* spinlock */
ERTS_GLB_INLINE void
-erts_spinlock_init_x(erts_spinlock_t *lock, char *name, Eterm extra)
+erts_spinlock_init(erts_spinlock_t *lock, char *name, Eterm extra, erts_lock_flags_t flags)
{
#ifdef USE_THREADS
int res = ethr_spinlock_init(&lock->slck);
- if (res)
- erts_thr_fatal_error(res, "init spinlock");
-#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_init_lock_x(&lock->lc, name, ERTS_LC_FLG_LT_SPINLOCK, extra);
-#endif
-#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_init_ref(&lock->lcnt);
- erts_lcnt_install_new_lock_info_x(&lock->lcnt, name, ERTS_LCNT_LT_SPINLOCK, extra);
-#endif
-#else
- (void)lock;
-#endif
-}
+ if (res) {
+ erts_thr_fatal_error(res, "init spinlock");
+ }
-ERTS_GLB_INLINE void
-erts_spinlock_init_x_opt(erts_spinlock_t *lock, char *name, Eterm extra,
- Uint16 opt)
-{
-#ifdef USE_THREADS
- int res = ethr_spinlock_init(&lock->slck);
- if (res)
- erts_thr_fatal_error(res, "init spinlock");
-#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_init_lock_x(&lock->lc, name, ERTS_LC_FLG_LT_SPINLOCK, extra);
-#endif
-#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_init_ref(&lock->lcnt);
- erts_lcnt_install_new_lock_info_x(&lock->lcnt, name, ERTS_LCNT_LT_SPINLOCK | opt, extra);
+ flags |= ERTS_LOCK_TYPE_SPINLOCK;
+#ifdef DEBUG
+ lock->flags = flags;
#endif
-#else
- (void)lock;
-#endif
-}
-
-ERTS_GLB_INLINE void
-erts_spinlock_init(erts_spinlock_t *lock, char *name)
-{
-#ifdef USE_THREADS
- int res = ethr_spinlock_init(&lock->slck);
- if (res)
- erts_thr_fatal_error(res, "init spinlock");
#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_init_lock(&lock->lc, name, ERTS_LC_FLG_LT_SPINLOCK);
+ erts_lc_init_lock_x(&lock->lc, name, ERTS_LC_FLG_LT_SPINLOCK, extra);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_init_ref(&lock->lcnt);
- erts_lcnt_install_new_lock_info(&lock->lcnt, name, ERTS_LCNT_LT_SPINLOCK);
-#endif
-#else
- (void)lock;
+ erts_lcnt_init_ref_x(&lock->lcnt, name, extra, flags);
#endif
+#endif /* USE_THREADS */
}
ERTS_GLB_INLINE void
@@ -3149,6 +3034,9 @@ erts_spinlock_destroy(erts_spinlock_t *lock)
{
#ifdef USE_THREADS
int res;
+
+ ASSERT(!(lock->flags & ERTS_LOCK_FLAGS_PROPERTY_STATIC));
+
#ifdef ERTS_ENABLE_LOCK_CHECK
erts_lc_destroy_lock(&lock->lc);
#endif
@@ -3232,41 +3120,26 @@ erts_lc_spinlock_is_locked(erts_spinlock_t *lock)
/* rwspinlock */
ERTS_GLB_INLINE void
-erts_rwlock_init_x(erts_rwlock_t *lock, char *name, Eterm extra)
+erts_rwlock_init(erts_rwlock_t *lock, char *name, Eterm extra, erts_lock_flags_t flags)
{
#ifdef USE_THREADS
int res = ethr_rwlock_init(&lock->rwlck);
- if (res)
- erts_thr_fatal_error(res, "init rwlock");
-#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_init_lock_x(&lock->lc, name, ERTS_LC_FLG_LT_RWSPINLOCK, extra);
-#endif
-#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_init_ref(&lock->lcnt);
- erts_lcnt_install_new_lock_info_x(&lock->lcnt, name, ERTS_LCNT_LT_RWSPINLOCK, extra);
-#endif
-#else
- (void)lock;
+ if (res) {
+ erts_thr_fatal_error(res, "init rwlock");
+ }
+
+ flags |= ERTS_LOCK_TYPE_RWSPINLOCK;
+#ifdef DEBUG
+ lock->flags = flags;
#endif
-}
-ERTS_GLB_INLINE void
-erts_rwlock_init(erts_rwlock_t *lock, char *name)
-{
-#ifdef USE_THREADS
- int res = ethr_rwlock_init(&lock->rwlck);
- if (res)
- erts_thr_fatal_error(res, "init rwlock");
#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_init_lock(&lock->lc, name, ERTS_LC_FLG_LT_RWSPINLOCK);
+ erts_lc_init_lock_x(&lock->lc, name, ERTS_LC_FLG_LT_RWSPINLOCK, extra);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_init_ref(&lock->lcnt);
- erts_lcnt_install_new_lock_info(&lock->lcnt, name, ERTS_LCNT_LT_RWSPINLOCK);
-#endif
-#else
- (void)lock;
+ erts_lcnt_init_ref_x(&lock->lcnt, name, extra, flags);
#endif
+#endif /* USE_THREADS */
}
ERTS_GLB_INLINE void
@@ -3274,6 +3147,9 @@ erts_rwlock_destroy(erts_rwlock_t *lock)
{
#ifdef USE_THREADS
int res;
+
+ ASSERT(!(lock->flags & ERTS_LOCK_FLAGS_PROPERTY_STATIC));
+
#ifdef ERTS_ENABLE_LOCK_CHECK
erts_lc_destroy_lock(&lock->lc);
#endif
@@ -3305,7 +3181,7 @@ erts_read_unlock(erts_rwlock_t *lock)
erts_lc_unlock_flg(&lock->lc, ERTS_LC_FLG_LO_READ);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_unlock_opt(&lock->lcnt, ERTS_LCNT_LO_READ);
+ erts_lcnt_unlock_opt(&lock->lcnt, ERTS_LOCK_OPTION_READ);
#endif
ethr_read_unlock(&lock->rwlck);
#else
@@ -3329,7 +3205,7 @@ erts_read_lock(erts_rwlock_t *lock)
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_lock_opt(&lock->lcnt, ERTS_LCNT_LO_READ);
+ erts_lcnt_lock_opt(&lock->lcnt, ERTS_LOCK_OPTION_READ);
#endif
ethr_read_lock(&lock->rwlck);
#ifdef ERTS_ENABLE_LOCK_COUNT
@@ -3348,7 +3224,7 @@ erts_write_unlock(erts_rwlock_t *lock)
erts_lc_unlock_flg(&lock->lc, ERTS_LC_FLG_LO_READ_WRITE);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_unlock_opt(&lock->lcnt, ERTS_LCNT_LO_READ_WRITE);
+ erts_lcnt_unlock_opt(&lock->lcnt, ERTS_LOCK_OPTION_RDWR);
#endif
ethr_write_unlock(&lock->rwlck);
#else
@@ -3372,7 +3248,7 @@ erts_write_lock(erts_rwlock_t *lock)
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_lock_opt(&lock->lcnt, ERTS_LCNT_LO_READ_WRITE);
+ erts_lcnt_lock_opt(&lock->lcnt, ERTS_LOCK_OPTION_RDWR);
#endif
ethr_write_lock(&lock->rwlck);
#ifdef ERTS_ENABLE_LOCK_COUNT
diff --git a/erts/emulator/beam/erl_time_sup.c b/erts/emulator/beam/erl_time_sup.c
index 3084a8db75..6ddf97b463 100644
--- a/erts/emulator/beam/erl_time_sup.c
+++ b/erts/emulator/beam/erl_time_sup.c
@@ -954,8 +954,10 @@ erts_init_time_sup(int time_correction, ErtsTimeWarpMode time_warp_mode)
ASSERT(ERTS_MONOTONIC_TIME_MIN < ERTS_MONOTONIC_TIME_MAX);
- erts_smp_mtx_init(&erts_timeofday_mtx, "timeofday");
- erts_smp_mtx_init(&erts_get_time_mtx, "get_time");
+ erts_smp_mtx_init(&erts_timeofday_mtx, "timeofday", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
+ erts_smp_mtx_init(&erts_get_time_mtx, "get_time", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
time_sup.r.o.correction = time_correction;
time_sup.r.o.warp_mode = time_warp_mode;
@@ -1120,8 +1122,9 @@ erts_init_time_sup(int time_correction, ErtsTimeWarpMode time_warp_mode)
rwmtx_opts.type = ERTS_SMP_RWMTX_TYPE_EXTREMELY_FREQUENT_READ;
rwmtx_opts.lived = ERTS_SMP_RWMTX_LONG_LIVED;
- erts_smp_rwmtx_init_opt(&time_sup.inf.c.parmon.rwmtx,
- &rwmtx_opts, "get_corrected_time");
+ erts_smp_rwmtx_init_opt(&time_sup.inf.c.parmon.rwmtx, &rwmtx_opts,
+ "get_corrected_time", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
cdatap = &time_sup.inf.c.parmon.cdata;
diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c
index 4b06c55770..db7d0ac449 100644
--- a/erts/emulator/beam/erl_trace.c
+++ b/erts/emulator/beam/erl_trace.c
@@ -336,7 +336,8 @@ void erts_init_trace(void) {
rwmtx_opts.type = ERTS_SMP_RWMTX_TYPE_EXTREMELY_FREQUENT_READ;
rwmtx_opts.lived = ERTS_SMP_RWMTX_LONG_LIVED;
- erts_smp_rwmtx_init_opt(&sys_trace_rwmtx, &rwmtx_opts, "sys_tracers");
+ erts_smp_rwmtx_init_opt(&sys_trace_rwmtx, &rwmtx_opts, "sys_tracers", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_DEBUG);
#ifdef HAVE_ERTS_NOW_CPU
erts_cpu_timestamp = 0;
@@ -2625,7 +2626,8 @@ init_sys_msg_dispatcher(void)
sys_message_queue = NULL;
sys_message_queue_end = NULL;
erts_smp_cnd_init(&smq_cnd);
- erts_smp_mtx_init(&smq_mtx, "sys_msg_q");
+ erts_smp_mtx_init(&smq_mtx, "sys_msg_q", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_DEBUG);
erts_smp_thr_create(&sys_msg_dispatcher_tid,
sys_msg_dispatcher_func,
NULL,
@@ -3185,7 +3187,9 @@ static void init_tracer_nif()
erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_RWMTX_OPT_DEFAULT_INITER;
rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_EXTREMELY_FREQUENT_READ;
rwmtx_opt.lived = ERTS_SMP_RWMTX_LONG_LIVED;
- erts_smp_rwmtx_init_opt(&tracer_mtx, &rwmtx_opt, "tracer_mtx");
+
+ erts_smp_rwmtx_init_opt(&tracer_mtx, &rwmtx_opt, "tracer_mtx", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_DEBUG);
erts_tracer_nif_clear();
diff --git a/erts/emulator/beam/export.c b/erts/emulator/beam/export.c
index 57f5ba5436..828c833ffc 100644
--- a/erts/emulator/beam/export.c
+++ b/erts/emulator/beam/export.c
@@ -182,7 +182,8 @@ init_export_table(void)
HashFunctions f;
int i;
- erts_smp_mtx_init(&export_staging_lock, "export_tab");
+ erts_smp_mtx_init(&export_staging_lock, "export_tab", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
erts_smp_atomic_init_nob(&total_entries_bytes, 0);
f.hash = (H_FUN) export_hash;
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index fc95535ec3..2105ee7a6c 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -1183,7 +1183,8 @@ void erts_ref_to_driver_monitor(Eterm ref, ErlDrvMonitor *mon);
Eterm erts_driver_monitor_to_ref(Eterm* hp, const ErlDrvMonitor *mon);
#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_COUNT)
-void erts_lcnt_enable_io_lock_count(int enable);
+void erts_lcnt_update_driver_locks(int enable);
+void erts_lcnt_update_port_locks(int enable);
#endif
/* driver_tab.c */
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index 11cb2dfddf..135beab6e1 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -258,14 +258,7 @@ static ERTS_INLINE void port_init_instr(Port *prt
#ifdef ERTS_SMP
ASSERT(prt->drv_ptr && prt->lock);
if (!prt->drv_ptr->lock) {
- char *lock_str = "port_lock";
-#ifdef ERTS_ENABLE_LOCK_COUNT
- Uint16 opt = ((erts_lcnt_rt_options & ERTS_LCNT_OPT_PORTLOCK)
- ? 0 : ERTS_LCNT_LT_DISABLE);
-#else
- Uint16 opt = 0;
-#endif
- erts_mtx_init_locked_x_opt(prt->lock, lock_str, id, opt);
+ erts_mtx_init_locked(prt->lock, "port_lock", id, ERTS_LOCK_FLAGS_CATEGORY_IO);
}
#endif
erts_port_task_init_sched(&prt->sched, id);
@@ -3419,9 +3412,8 @@ void erts_init_io(int port_tab_size,
else if (port_tab_size < ERTS_MIN_PORTS)
port_tab_size = ERTS_MIN_PORTS;
- erts_smp_rwmtx_init_opt(&erts_driver_list_lock,
- &drv_list_rwmtx_opts,
- "driver_list");
+ erts_smp_rwmtx_init_opt(&erts_driver_list_lock, &drv_list_rwmtx_opts, "driver_list", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_IO);
driver_list = NULL;
erts_smp_tsd_key_create(&driver_list_lock_status_key,
"erts_driver_list_lock_status_key");
@@ -3458,62 +3450,94 @@ void erts_init_io(int port_tab_size,
}
#if defined(ERTS_ENABLE_LOCK_COUNT) && defined(ERTS_SMP)
-static ERTS_INLINE void lcnt_enable_drv_lock_count(erts_driver_t *dp, int enable)
+static void lcnt_enable_driver_lock_count(erts_driver_t *dp, int enable)
{
if (dp->lock) {
- if (enable) {
- Eterm name_as_atom = erts_atom_put((byte*)dp->name, sys_strlen(dp->name),
- ERTS_ATOM_ENC_LATIN1, 1);
- erts_lcnt_install_new_lock_info_x(&dp->lock->lcnt,
- "driver_lock", ERTS_LCNT_LT_MUTEX, name_as_atom);
- } else {
- erts_lcnt_uninstall(&dp->lock->lcnt);
- }
- }
+ if (enable) {
+ Eterm name_as_atom = erts_atom_put((byte*)dp->name, sys_strlen(dp->name),
+ ERTS_ATOM_ENC_LATIN1, 1);
+
+ erts_lcnt_install_new_lock_info(&dp->lock->lcnt, "driver_lock", name_as_atom,
+ ERTS_LOCK_TYPE_MUTEX | ERTS_LOCK_FLAGS_CATEGORY_IO);
+ } else {
+ erts_lcnt_uninstall(&dp->lock->lcnt);
+ }
+ }
}
-static ERTS_INLINE void lcnt_enable_port_lock_count(Port *prt, int enable)
+static void lcnt_enable_port_lock_count(Port *prt, int enable)
{
erts_aint32_t state = erts_atomic32_read_nob(&prt->state);
if(enable) {
- erts_lcnt_install_new_lock_info_x(&prt->sched.mtx.lcnt,
- "port_sched_lock", ERTS_LCNT_LT_MUTEX,prt->common.id);
+ ErlDrvPDL pdl = prt->port_data_lock;
- if (state & ERTS_PORT_SFLG_PORT_SPECIFIC_LOCK) {
- erts_lcnt_install_new_lock_info_x(&prt->lock->lcnt,
- "port_lock", ERTS_LCNT_LT_MUTEX, prt->common.id);
- }
+ erts_lcnt_install_new_lock_info(&prt->sched.mtx.lcnt, "port_sched_lock",
+ prt->common.id, ERTS_LOCK_TYPE_MUTEX | ERTS_LOCK_FLAGS_CATEGORY_IO);
+
+ if(pdl) {
+ erts_lcnt_install_new_lock_info(&pdl->mtx.lcnt, "port_data_lock",
+ prt->common.id, ERTS_LOCK_TYPE_MUTEX | ERTS_LOCK_FLAGS_CATEGORY_IO);
+ }
+
+ if(state & ERTS_PORT_SFLG_PORT_SPECIFIC_LOCK) {
+ erts_lcnt_install_new_lock_info(&prt->lock->lcnt, "port_lock",
+ prt->common.id, ERTS_LOCK_TYPE_MUTEX | ERTS_LOCK_FLAGS_CATEGORY_IO);
+ }
} else {
- erts_lcnt_uninstall(&prt->sched.mtx.lcnt);
- if (state & ERTS_PORT_SFLG_PORT_SPECIFIC_LOCK) {
- erts_lcnt_uninstall(&prt->lock->lcnt);
- }
- }
-}
+ erts_lcnt_uninstall(&prt->sched.mtx.lcnt);
-void erts_lcnt_enable_io_lock_count(int enable) {
- erts_driver_t *dp;
- int ix, max = erts_ptab_max(&erts_port);
- Port *prt;
+ if(prt->port_data_lock) {
+ erts_lcnt_uninstall(&prt->port_data_lock->mtx.lcnt);
+ }
- for (ix = 0; ix < max; ix++) {
- if ((prt = erts_pix2port(ix)) != NULL) {
- lcnt_enable_port_lock_count(prt, enable);
+ if(state & ERTS_PORT_SFLG_PORT_SPECIFIC_LOCK) {
+ erts_lcnt_uninstall(&prt->lock->lcnt);
}
- } /* for all ports */
+ }
+}
- lcnt_enable_drv_lock_count(&vanilla_driver, enable);
- lcnt_enable_drv_lock_count(&spawn_driver, enable);
+void erts_lcnt_update_driver_locks(int enable) {
+ erts_driver_t *driver;
+
+ lcnt_enable_driver_lock_count(&vanilla_driver, enable);
+ lcnt_enable_driver_lock_count(&spawn_driver, enable);
#ifndef __WIN32__
- lcnt_enable_drv_lock_count(&forker_driver, enable);
+ lcnt_enable_driver_lock_count(&forker_driver, enable);
#endif
- lcnt_enable_drv_lock_count(&fd_driver, enable);
- /* enable lock counting in all drivers */
- for (dp = driver_list; dp; dp = dp->next) {
- lcnt_enable_drv_lock_count(dp, enable);
+ lcnt_enable_driver_lock_count(&fd_driver, enable);
+
+ erts_rwmtx_rlock(&erts_driver_list_lock);
+
+ for (driver = driver_list; driver; driver = driver->next) {
+ lcnt_enable_driver_lock_count(driver, enable);
+ }
+
+ erts_rwmtx_runlock(&erts_driver_list_lock);
+}
+
+void erts_lcnt_update_port_locks(int enable) {
+ int i, max;
+
+ max = erts_ptab_max(&erts_port);
+
+ for(i = 0; i < max; i++) {
+ int delay_handle;
+ Port *port;
+
+ delay_handle = erts_thr_progress_unmanaged_delay();
+ port = erts_pix2port(i);
+
+ if(port != NULL) {
+ lcnt_enable_port_lock_count(port, enable);
+ }
+
+ if(delay_handle != ERTS_THR_PRGR_DHANDLE_MANAGED) {
+ erts_thr_progress_unmanaged_continue(delay_handle);
+ }
}
-} /* enable/disable lock counting of ports */
+}
+
#endif /* defined(ERTS_ENABLE_LOCK_COUNT) && defined(ERTS_SMP) */
/*
* Buffering of data when using line oriented I/O on ports
@@ -7088,7 +7112,7 @@ driver_pdl_create(ErlDrvPort dp)
return NULL;
pdl = erts_alloc(ERTS_ALC_T_PORT_DATA_LOCK,
sizeof(struct erl_drv_port_data_lock));
- erts_mtx_init_x(&pdl->mtx, "port_data_lock", pp->common.id);
+ erts_mtx_init(&pdl->mtx, "port_data_lock", pp->common.id, ERTS_LOCK_FLAGS_CATEGORY_IO);
pdl_init_refc(pdl);
erts_port_inc_refc(pp);
pdl->prt = pp;
@@ -8255,22 +8279,16 @@ init_driver(erts_driver_t *drv, ErlDrvEntry *de, DE_Handle *handle)
drv->flags = de->driver_flags;
drv->handle = handle;
#ifdef ERTS_SMP
- if (drv->flags & ERL_DRV_FLAG_USE_PORT_LOCKING)
- drv->lock = NULL;
- else {
- drv->lock = erts_alloc(ERTS_ALC_T_DRIVER_LOCK,
- sizeof(erts_mtx_t));
- erts_mtx_init_x(drv->lock,
- "driver_lock",
-#if defined(ERTS_ENABLE_LOCK_CHECK) || defined(ERTS_ENABLE_LOCK_COUNT)
- erts_atom_put((byte *) drv->name,
- sys_strlen(drv->name),
- ERTS_ATOM_ENC_LATIN1,
- 1)
-#else
- NIL
-#endif
- );
+ if (drv->flags & ERL_DRV_FLAG_USE_PORT_LOCKING) {
+ drv->lock = NULL;
+ } else {
+ Eterm driver_id = erts_atom_put((byte *) drv->name,
+ sys_strlen(drv->name),
+ ERTS_ATOM_ENC_LATIN1, 1);
+
+ drv->lock = erts_alloc(ERTS_ALC_T_DRIVER_LOCK, sizeof(erts_mtx_t));
+
+ erts_mtx_init(drv->lock, "driver_lock", driver_id, ERTS_LOCK_FLAGS_CATEGORY_IO);
}
#endif
drv->entry = de;
diff --git a/erts/emulator/beam/module.c b/erts/emulator/beam/module.c
index 8ab6c713d6..7987cb2eb5 100644
--- a/erts/emulator/beam/module.c
+++ b/erts/emulator/beam/module.c
@@ -120,7 +120,8 @@ void init_module_table(void)
}
for (i=0; i<ERTS_NUM_CODE_IX; i++) {
- erts_smp_rwmtx_init_x(&the_old_code_rwlocks[i], "old_code", make_small(i));
+ erts_smp_rwmtx_init(&the_old_code_rwlocks[i], "old_code", make_small(i),
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
}
erts_smp_atomic_init_nob(&tot_module_bytes, 0);
}
diff --git a/erts/emulator/beam/register.c b/erts/emulator/beam/register.c
index 7f60710124..bf3267cff1 100644
--- a/erts/emulator/beam/register.c
+++ b/erts/emulator/beam/register.c
@@ -145,7 +145,8 @@ void init_register_table(void)
rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_FREQUENT_READ;
rwmtx_opt.lived = ERTS_SMP_RWMTX_LONG_LIVED;
- erts_smp_rwmtx_init_opt(&regtab_rwmtx, &rwmtx_opt, "reg_tab");
+ erts_smp_rwmtx_init_opt(&regtab_rwmtx, &rwmtx_opt, "reg_tab", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
f.hash = (H_FUN) reg_hash;
f.cmp = (HCMP_FUN) reg_cmp;
diff --git a/erts/emulator/beam/safe_hash.c b/erts/emulator/beam/safe_hash.c
index 30b26a7296..527c9efeca 100644
--- a/erts/emulator/beam/safe_hash.c
+++ b/erts/emulator/beam/safe_hash.c
@@ -155,7 +155,8 @@ int safe_hash_table_sz(SafeHash *h)
** Init a pre allocated or static hash structure
** and allocate buckets. NOT SAFE
*/
-SafeHash* safe_hash_init(ErtsAlcType_t type, SafeHash* h, char* name, int size, SafeHashFunctions fun)
+SafeHash* safe_hash_init(ErtsAlcType_t type, SafeHash* h, char* name, erts_lock_flags_t flags,
+ int size, SafeHashFunctions fun)
{
int i, bytes;
@@ -170,7 +171,8 @@ SafeHash* safe_hash_init(ErtsAlcType_t type, SafeHash* h, char* name, int size,
erts_smp_atomic_init_nob(&h->is_rehashing, 0);
erts_smp_atomic_init_nob(&h->nitems, 0);
for (i=0; i<SAFE_HASH_LOCK_CNT; i++) {
- erts_smp_mtx_init(&h->lock_vec[i].mtx,"safe_hash");
+ erts_smp_mtx_init(&h->lock_vec[i].mtx, "safe_hash", NIL,
+ flags);
}
return h;
}
@@ -273,5 +275,22 @@ void safe_hash_for_each(SafeHash* h, void (*func)(void *, void *), void *func_ar
}
}
+#ifdef ERTS_ENABLE_LOCK_COUNT
+void erts_lcnt_enable_hash_lock_count(SafeHash *h, erts_lock_flags_t flags, int enable) {
+ int i;
+
+ for(i = 0; i < SAFE_HASH_LOCK_CNT; i++) {
+ erts_smp_mtx_t *lock = &h->lock_vec[i].mtx;
+
+ if(enable) {
+ erts_lcnt_install_new_lock_info(&lock->lcnt, "safe_hash", NIL,
+ ERTS_LOCK_TYPE_MUTEX | flags);
+ } else {
+ erts_lcnt_uninstall(&lock->lcnt);
+ }
+ }
+}
+#endif /* ERTS_ENABLE_LOCK_COUNT */
+
#endif /* !ERTS_SYS_CONTINOUS_FD_NUMBERS */
diff --git a/erts/emulator/beam/safe_hash.h b/erts/emulator/beam/safe_hash.h
index 285103cb17..dde48a6de8 100644
--- a/erts/emulator/beam/safe_hash.h
+++ b/erts/emulator/beam/safe_hash.h
@@ -28,6 +28,7 @@
#include "sys.h"
#include "erl_alloc.h"
+#include "erl_lock_flags.h"
typedef unsigned long SafeHashValue;
@@ -85,7 +86,7 @@ typedef struct
/* A: Lockless atomics */
} SafeHash;
-SafeHash* safe_hash_init(ErtsAlcType_t, SafeHash*, char*, int, SafeHashFunctions);
+SafeHash* safe_hash_init(ErtsAlcType_t, SafeHash*, char*, erts_lock_flags_t, int, SafeHashFunctions);
void safe_hash_get_info(SafeHashInfo*, SafeHash*);
int safe_hash_table_sz(SafeHash *);
@@ -96,5 +97,9 @@ void* safe_hash_erase(SafeHash*, void*);
void safe_hash_for_each(SafeHash*, void (*func)(void *, void *), void *);
+#ifdef ERTS_ENABLE_LOCK_COUNT
+void erts_lcnt_enable_hash_lock_count(SafeHash*, erts_lock_flags_t, int);
+#endif
+
#endif /* __SAFE_HASH_H__ */
diff --git a/erts/emulator/drivers/common/efile_drv.c b/erts/emulator/drivers/common/efile_drv.c
index 1538191d67..3a7b3bb50c 100644
--- a/erts/emulator/drivers/common/efile_drv.c
+++ b/erts/emulator/drivers/common/efile_drv.c
@@ -742,7 +742,8 @@ file_init(void)
efile_init();
#ifdef USE_VM_PROBES
- erts_mtx_init(&dt_driver_mutex, "efile_drv dtrace mutex");
+ erts_mtx_init(&dt_driver_mutex, "efile_drv dtrace mutex", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_IO);
pthread_key_create(&dt_driver_key, NULL);
#endif /* USE_VM_PROBES */
diff --git a/erts/emulator/hipe/hipe_bif0.c b/erts/emulator/hipe/hipe_bif0.c
index 0225f17613..94bc563fda 100644
--- a/erts/emulator/hipe/hipe_bif0.c
+++ b/erts/emulator/hipe/hipe_bif0.c
@@ -1129,7 +1129,8 @@ struct hipe_ref {
static inline void hipe_mfa_info_table_init_lock(void)
{
- erts_smp_rwmtx_init(&hipe_mfa_info_table.lock, "hipe_mfait_lock");
+ erts_smp_rwmtx_init(&hipe_mfa_info_table.lock, "hipe_mfait_lock", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
}
static inline void hipe_mfa_info_table_rlock(void)
diff --git a/erts/emulator/sys/common/erl_check_io.c b/erts/emulator/sys/common/erl_check_io.c
index ad580e7d52..799f67fc45 100644
--- a/erts/emulator/sys/common/erl_check_io.c
+++ b/erts/emulator/sys/common/erl_check_io.c
@@ -2564,24 +2564,22 @@ ERTS_CIO_EXPORT(erts_init_check_io)(void)
#ifdef ERTS_SMP
init_removed_fd_alloc();
pollset.removed_list = NULL;
- erts_smp_spinlock_init(&pollset.removed_list_lock,
- "pollset_rm_list");
+ erts_smp_spinlock_init(&pollset.removed_list_lock, "pollset_rm_list", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_IO);
{
- int i;
- for (i=0; i<DRV_EV_STATE_LOCK_CNT; i++) {
-#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_smp_mtx_init_x(&drv_ev_state_locks[i].lck, "drv_ev_state", make_small(i));
-#else
- erts_smp_mtx_init(&drv_ev_state_locks[i].lck, "drv_ev_state");
-#endif
- }
+ int i;
+ for (i=0; i<DRV_EV_STATE_LOCK_CNT; i++) {
+ erts_smp_mtx_init(&drv_ev_state_locks[i].lck, "drv_ev_state", make_small(i),
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_IO);
+ }
}
#endif
#ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS
max_fds = ERTS_CIO_POLL_MAX_FDS();
erts_smp_atomic_init_nob(&drv_ev_state_len, 0);
drv_ev_state = NULL;
- erts_smp_mtx_init(&drv_ev_state_grow_lock, "drv_ev_state_grow");
+ erts_smp_mtx_init(&drv_ev_state_grow_lock, "drv_ev_state_grow", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_IO);
#else
{
SafeHashFunctions hf;
@@ -2591,10 +2589,11 @@ ERTS_CIO_EXPORT(erts_init_check_io)(void)
hf.free = &drv_ev_state_free;
num_state_prealloc = 0;
state_prealloc_first = NULL;
- erts_smp_spinlock_init(&state_prealloc_lock,"state_prealloc");
+ erts_smp_spinlock_init(&state_prealloc_lock,"state_prealloc", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_IO);
- safe_hash_init(ERTS_ALC_T_DRV_EV_STATE, &drv_ev_state_tab, "drv_ev_state_tab",
- DRV_EV_STATE_HTAB_SIZE, hf);
+ safe_hash_init(ERTS_ALC_T_DRV_EV_STATE, &drv_ev_state_tab, "drv_ev_state_tab",
+ ERTS_LOCK_FLAGS_CATEGORY_IO, DRV_EV_STATE_HTAB_SIZE, hf);
}
#endif
}
@@ -3130,3 +3129,12 @@ ERTS_CIO_EXPORT(erts_check_io_debug)(ErtsCheckIoDebugInfo *ciodip)
return counters.num_errors;
}
+#ifdef ERTS_ENABLE_LOCK_COUNT
+void ERTS_CIO_EXPORT(erts_lcnt_update_cio_locks)(int enable) {
+#ifndef ERTS_SYS_CONTINOUS_FD_NUMBERS
+ erts_lcnt_enable_hash_lock_count(&drv_ev_state_tab, ERTS_LOCK_FLAGS_CATEGORY_IO, enable);
+#else
+ (void)enable;
+#endif
+}
+#endif /* ERTS_ENABLE_LOCK_COUNT */
diff --git a/erts/emulator/sys/common/erl_check_io.h b/erts/emulator/sys/common/erl_check_io.h
index ee4abeece9..2d3bb98afa 100644
--- a/erts/emulator/sys/common/erl_check_io.h
+++ b/erts/emulator/sys/common/erl_check_io.h
@@ -59,6 +59,11 @@ void erts_init_check_io_nkp(void);
int erts_check_io_debug_kp(ErtsCheckIoDebugInfo *);
int erts_check_io_debug_nkp(ErtsCheckIoDebugInfo *);
+#ifdef ERTS_ENABLE_LOCK_COUNT
+void erts_lcnt_update_cio_locks_kp(int enable);
+void erts_lcnt_update_cio_locks_nkp(int enable);
+#endif
+
#else /* !ERTS_ENABLE_KERNEL_POLL */
Uint erts_check_io_size(void);
@@ -72,6 +77,10 @@ void erts_check_io_interrupt_timed(int, ErtsMonotonicTime);
void erts_check_io(int);
void erts_init_check_io(void);
+#ifdef ERTS_ENABLE_LOCK_COUNT
+void erts_lcnt_update_cio_locks(int enable);
+#endif
+
#endif
extern erts_smp_atomic_t erts_check_io_time;
diff --git a/erts/emulator/sys/common/erl_mmap.c b/erts/emulator/sys/common/erl_mmap.c
index bb930ff03b..214ed01c82 100644
--- a/erts/emulator/sys/common/erl_mmap.c
+++ b/erts/emulator/sys/common/erl_mmap.c
@@ -2212,9 +2212,11 @@ erts_mmap_init(ErtsMemMapper* mm, ErtsMMapInit *init, int executable)
erts_exit(1, "erts_mmap: Failed to open /dev/zero\n");
#endif
- erts_smp_mtx_init(&mm->mtx, "erts_mmap");
+ erts_smp_mtx_init(&mm->mtx, "erts_mmap", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
if (is_first_call) {
- erts_mtx_init(&am.init_mutex, "mmap_init_atoms");
+ erts_mtx_init(&am.init_mutex, "mmap_init_atoms", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
}
#ifdef ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION
@@ -2816,7 +2818,8 @@ static void hard_dbg_mseg_init(void)
{
ErtsFreeSegDesc_fake* p;
- erts_mtx_init(&hard_dbg_mseg_mtx, "hard_dbg_mseg");
+ erts_mtx_init(&hard_dbg_mseg_mtx, "hard_dbg_mseg", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_DEBUG);
hard_dbg_mseg_tree.root = NULL;
hard_dbg_mseg_tree.order = ADDR_ORDER;
diff --git a/erts/emulator/sys/common/erl_mseg.c b/erts/emulator/sys/common/erl_mseg.c
index b8f0bb7150..d69a79dc2a 100644
--- a/erts/emulator/sys/common/erl_mseg.c
+++ b/erts/emulator/sys/common/erl_mseg.c
@@ -1420,7 +1420,8 @@ erts_mseg_init(ErtsMsegInit_t *init)
atoms_initialized = 0;
- erts_mtx_init(&init_atoms_mutex, "mseg_init_atoms");
+ erts_mtx_init(&init_atoms_mutex, "mseg_init_atoms", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
#ifdef ERTS_HAVE_EXEC_MMAPPER
/* Initialize erts_exec_mapper *FIRST*, to increase probability
@@ -1449,7 +1450,8 @@ erts_mseg_init(ErtsMsegInit_t *init)
ma->is_thread_safe = 0;
else {
ma->is_thread_safe = 1;
- erts_mtx_init(&ma->mtx, "mseg");
+ erts_mtx_init(&ma->mtx, "mseg", make_small(i),
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_ALLOCATOR);
}
ma->is_cache_check_scheduled = 0;
diff --git a/erts/emulator/sys/common/erl_poll.c b/erts/emulator/sys/common/erl_poll.c
index 5e7ae8953a..52a8b6a53f 100644
--- a/erts/emulator/sys/common/erl_poll.c
+++ b/erts/emulator/sys/common/erl_poll.c
@@ -336,7 +336,7 @@ static void fatal_error_async_signal_safe(char *error_str);
static int max_fds = -1;
static ErtsPollSet pollsets;
-static erts_smp_spinlock_t pollsets_lock;
+static erts_smp_mtx_t pollsets_lock;
#if ERTS_POLL_USE_POLL
@@ -2583,7 +2583,8 @@ ERTS_POLL_EXPORT(erts_poll_max_fds)(void)
void
ERTS_POLL_EXPORT(erts_poll_init)(void)
{
- erts_smp_spinlock_init(&pollsets_lock, "pollsets_lock");
+ erts_smp_mtx_init(&pollsets_lock, "pollsets_lock", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_IO);
pollsets = NULL;
errno = 0;
@@ -2689,7 +2690,7 @@ ERTS_POLL_EXPORT(erts_poll_create_pollset)(void)
#endif
#ifdef ERTS_SMP
erts_atomic32_init_nob(&ps->polled, 0);
- erts_smp_mtx_init(&ps->mtx, "pollset");
+ erts_smp_mtx_init(&ps->mtx, "pollset", NIL, ERTS_LOCK_FLAGS_CATEGORY_IO);
#endif
#if defined(USE_THREADS) || ERTS_POLL_ASYNC_INTERRUPT_SUPPORT
erts_atomic32_init_nob(&ps->wakeup_state, (erts_aint32_t) 0);
@@ -2731,10 +2732,10 @@ ERTS_POLL_EXPORT(erts_poll_create_pollset)(void)
#endif
erts_smp_atomic_set_nob(&ps->no_of_user_fds, 0); /* Don't count wakeup pipe and fallback fd */
- erts_smp_spin_lock(&pollsets_lock);
+ erts_smp_mtx_lock(&pollsets_lock);
ps->next = pollsets;
pollsets = ps;
- erts_smp_spin_unlock(&pollsets_lock);
+ erts_smp_mtx_unlock(&pollsets_lock);
return ps;
}
@@ -2795,7 +2796,7 @@ ERTS_POLL_EXPORT(erts_poll_destroy_pollset)(ErtsPollSet ps)
close(ps->timer_fd);
#endif
- erts_smp_spin_lock(&pollsets_lock);
+ erts_smp_mtx_lock(&pollsets_lock);
if (ps == pollsets)
pollsets = pollsets->next;
else {
@@ -2805,7 +2806,7 @@ ERTS_POLL_EXPORT(erts_poll_destroy_pollset)(ErtsPollSet ps)
ASSERT(ps == prev_ps->next);
prev_ps->next = ps->next;
}
- erts_smp_spin_unlock(&pollsets_lock);
+ erts_smp_mtx_unlock(&pollsets_lock);
erts_free(ERTS_ALC_T_POLLSET, (void *) ps);
}
@@ -3148,3 +3149,26 @@ print_misc_debug_info(void)
}
#endif
+
+#ifdef ERTS_ENABLE_LOCK_COUNT
+static void erts_lcnt_enable_pollset_lock_count(ErtsPollSet pollset, int enable) {
+ if(enable) {
+ erts_lcnt_install_new_lock_info(&pollset->mtx.lcnt, "pollset_rm", NIL,
+ ERTS_LOCK_TYPE_MUTEX | ERTS_LOCK_FLAGS_CATEGORY_IO);
+ } else {
+ erts_lcnt_uninstall(&pollset->mtx.lcnt);
+ }
+}
+
+void ERTS_POLL_EXPORT(erts_lcnt_update_pollset_locks)(int enable) {
+ ErtsPollSet iterator;
+
+ erts_smp_mtx_lock(&pollsets_lock);
+
+ for(iterator = pollsets; iterator != NULL; iterator = iterator->next) {
+ erts_lcnt_enable_pollset_lock_count(iterator, enable);
+ }
+
+ erts_smp_mtx_unlock(&pollsets_lock);
+}
+#endif
diff --git a/erts/emulator/sys/common/erl_poll.h b/erts/emulator/sys/common/erl_poll.h
index c16122610d..b3b4d79984 100644
--- a/erts/emulator/sys/common/erl_poll.h
+++ b/erts/emulator/sys/common/erl_poll.h
@@ -260,4 +260,8 @@ void ERTS_POLL_EXPORT(erts_poll_get_selected_events)(ErtsPollSet,
int erts_poll_new_table_len(int old_len, int need_len);
+#ifdef ERTS_ENABLE_LOCK_COUNT
+void ERTS_POLL_EXPORT(erts_lcnt_update_pollset_locks)(int enable);
+#endif
+
#endif /* #ifndef ERL_POLL_H__ */
diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c
index e86258b5e0..de4ec61c47 100644
--- a/erts/emulator/sys/unix/sys.c
+++ b/erts/emulator/sys/unix/sys.c
@@ -1550,7 +1550,8 @@ erl_sys_args(int* argc, char** argv)
{
int i, j;
- erts_smp_rwmtx_init(&environ_rwmtx, "environ");
+ erts_smp_rwmtx_init(&environ_rwmtx, "environ", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
i = 1;
diff --git a/erts/emulator/sys/unix/sys_time.c b/erts/emulator/sys/unix/sys_time.c
index 4f26639703..102ef7bebf 100644
--- a/erts/emulator/sys/unix/sys_time.c
+++ b/erts/emulator/sys/unix/sys_time.c
@@ -304,8 +304,8 @@ sys_init_time(ErtsSysInitTimeResult *init_resp)
erts_sys_time_data__.r.o.os_times =
clock_gettime_times_verified;
#endif
- erts_smp_mtx_init(&internal_state.w.f.mtx,
- "os_monotonic_time");
+ erts_smp_mtx_init(&internal_state.w.f.mtx, "os_monotonic_time", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_IO);
internal_state.w.f.last_delivered
= clock_gettime_monotonic();
init_resp->os_monotonic_time_info.locked_use = 1;
diff --git a/erts/emulator/sys/win32/erl_poll.c b/erts/emulator/sys/win32/erl_poll.c
index b10fc1e430..8743f83a50 100644
--- a/erts/emulator/sys/win32/erl_poll.c
+++ b/erts/emulator/sys/win32/erl_poll.c
@@ -142,7 +142,8 @@ static erts_mtx_t save_ops_mtx;
static void poll_debug_init(void)
{
- erts_mtx_init(&save_ops_mtx, "save_ops_lock");
+ erts_mtx_init(&save_ops_mtx, "save_ops_lock", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_DEBUG);
}
void poll_debug_set_active_fd(ErtsSysFdType fd)
@@ -677,7 +678,7 @@ static void new_waiter(ErtsPollSet ps)
w->active_events = 1;
w->highwater = 1;
w->total_events = 1;
- erts_mtx_init(&w->mtx, "pollwaiter");
+ erts_mtx_init(&w->mtx, "pollwaiter", NIL, ERTS_LOCK_FLAGS_CATEGORY_IO);
/*
@@ -1359,7 +1360,7 @@ ErtsPollSet erts_poll_create_pollset(void)
erts_atomic32_init_nob(&ps->wakeup_state, ERTS_POLL_NOT_WOKEN);
#ifdef ERTS_SMP
- erts_smp_mtx_init(&ps->mtx, "pollset");
+ erts_smp_mtx_init(&ps->mtx, "pollset", NIL, ERTS_LOCK_FLAGS_CATEGORY_IO);
#endif
init_timeout_time(ps);
@@ -1411,7 +1412,8 @@ void erts_poll_init(void)
HARDTRACEF(("In erts_poll_init"));
erts_sys_break_event = CreateManualEvent(FALSE);
- erts_mtx_init(&break_waiter_lock,"break_waiter_lock");
+ erts_mtx_init(&break_waiter_lock, "break_waiter_lock", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_IO);
break_happened_event = CreateManualEvent(FALSE);
erts_atomic32_init_nob(&break_waiter_state, 0);
diff --git a/erts/emulator/sys/win32/sys_env.c b/erts/emulator/sys/win32/sys_env.c
index 21ef71ad9a..8fcee1cbb6 100644
--- a/erts/emulator/sys/win32/sys_env.c
+++ b/erts/emulator/sys/win32/sys_env.c
@@ -37,7 +37,8 @@ static erts_smp_rwmtx_t environ_rwmtx;
void
erts_sys_env_init(void)
{
- erts_smp_rwmtx_init(&environ_rwmtx, "environ");
+ erts_smp_rwmtx_init(&environ_rwmtx, "environ", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
}
int
diff --git a/erts/emulator/sys/win32/sys_time.c b/erts/emulator/sys/win32/sys_time.c
index e8c67b3928..88131aaa6a 100644
--- a/erts/emulator/sys/win32/sys_time.c
+++ b/erts/emulator/sys/win32/sys_time.c
@@ -300,8 +300,8 @@ sys_init_time(ErtsSysInitTimeResult *init_resp)
module = GetModuleHandle(kernel_dll_name);
if (!module) {
get_tick_count:
- erts_smp_mtx_init(&internal_state.w.f.mtime_mtx,
- "os_monotonic_time");
+ erts_smp_mtx_init(&internal_state.w.f.mtime_mtx, "os_monotonic_time", NIL,
+ ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
internal_state.w.f.wrap = 0;
internal_state.w.f.last_tick_count = 0;
diff --git a/erts/etc/common/Makefile.in b/erts/etc/common/Makefile.in
index 583426460e..4bcbb288b3 100644
--- a/erts/etc/common/Makefile.in
+++ b/erts/etc/common/Makefile.in
@@ -57,7 +57,7 @@ ERTS_INCL = -I$(ERL_TOP)/erts/include \
CC = @CC@
WFLAGS = @WFLAGS@
CFLAGS = @CFLAGS@ @DEFS@ $(TYPE_FLAGS) @WFLAGS@ -I$(SYSDIR) -I$(EMUDIR) \
- $(ERTS_INCL) -DOTP_SYSTEM_VERSION=\"$(SYSTEM_VSN)\"
+ -I$(COMSYSDIR) $(ERTS_INCL) -DOTP_SYSTEM_VERSION=\"$(SYSTEM_VSN)\"
LD = @LD@
LIBS = @LIBS@
LDFLAGS = @LDFLAGS@
@@ -77,6 +77,7 @@ endif
BINDIR = $(ERL_TOP)/bin/$(TARGET)
OBJDIR = $(ERL_TOP)/erts/obj$(TYPEMARKER)/$(TARGET)
EMUDIR = $(ERL_TOP)/erts/emulator/beam
+COMSYSDIR = $(ERL_TOP)/erts/emulator/sys/common
EMUOSDIR = $(ERL_TOP)/erts/emulator/@ERLANG_OSTYPE@
SYSDIR = $(ERL_TOP)/erts/emulator/sys/@ERLANG_OSTYPE@
DRVDIR = $(ERL_TOP)/erts/emulator/drivers/@ERLANG_OSTYPE@