aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--erts/emulator/beam/beam_emu.c16
-rw-r--r--erts/emulator/beam/erl_msacc.c190
-rw-r--r--erts/emulator/beam/erl_msacc.h51
3 files changed, 137 insertions, 120 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 797880d452..7419a62058 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -2826,13 +2826,7 @@ do { \
goto context_switch3;
}
- if (ERTS_MSACC_IS_ENABLED_CACHED_X()) {
- if (GET_BIF_MODULE(Arg(0)) == am_ets) {
- ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_ETS);
- } else {
- ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_BIF);
- }
- }
+ ERTS_MSACC_SET_BIF_STATE_CACHED_X(GET_BIF_MODULE(Arg(0)), GET_BIF_ADDRESS(Arg(0)));
bf = GET_BIF_ADDRESS(Arg(0));
@@ -3593,13 +3587,7 @@ do { \
goto context_switch;
}
- if (ERTS_MSACC_IS_ENABLED_CACHED_X()) {
- if ((Eterm)I[-3] == am_ets) {
- ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_ETS);
- } else {
- ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_BIF);
- }
- }
+ ERTS_MSACC_SET_BIF_STATE_CACHED_X((Eterm)I[-3], (BifFunction)Arg(0));
c_p->current = I-3; /* In case we apply process_info/1,2 or load_nif/1 */
c_p->i = I; /* In case we apply check_process_code/2. */
diff --git a/erts/emulator/beam/erl_msacc.c b/erts/emulator/beam/erl_msacc.c
index 544bc8b983..421445fbad 100644
--- a/erts/emulator/beam/erl_msacc.c
+++ b/erts/emulator/beam/erl_msacc.c
@@ -40,10 +40,11 @@
#include "erl_bif_unique.h"
#include "erl_map.h"
#include "erl_msacc.h"
+#include "erl_bif_table.h"
#if ERTS_ENABLE_MSACC
-static Eterm erts_msacc_gather_stats(ErtsMsAcc *msacc, Eterm **hpp, Uint *szp);
+static Eterm erts_msacc_gather_stats(ErtsMsAcc *msacc, ErtsHeapFactory *factory);
static void erts_msacc_reset(ErtsMsAcc *msacc);
static ErtsMsAcc* get_msacc(void);
@@ -52,7 +53,9 @@ erts_tsd_key_t ERTS_WRITE_UNLIKELY(erts_msacc_key);
#else
ErtsMsAcc *ERTS_WRITE_UNLIKELY(erts_msacc) = NULL;
#endif
+#ifndef ERTS_MSACC_ALWAYS_ON
int ERTS_WRITE_UNLIKELY(erts_msacc_enabled);
+#endif
static Eterm *erts_msacc_state_atoms = NULL;
static erts_rwmtx_t msacc_mutex;
@@ -62,6 +65,12 @@ static ErtsMsAcc *msacc_unmanaged = NULL;
static Uint msacc_unmanaged_count = 0;
#endif
+#if ERTS_MSACC_STATE_COUNT < MAP_SMALL_MAP_LIMIT
+#define DEFAULT_MSACC_MSG_SIZE (3 + 1 + ERTS_MSACC_STATE_COUNT * 2 + 3 + REF_THING_SIZE)
+#else
+#define DEFAULT_MSACC_MSG_SIZE (3 + ERTS_MSACC_STATE_COUNT * 3 + 3 + REF_THING_SIZE)
+#endif
+
/* we have to split initiation as atoms are not inited in early init */
void erts_msacc_early_init(void) {
#ifndef ERTS_MSACC_ALWAYS_ON
@@ -88,7 +97,8 @@ void erts_msacc_init(void) {
void erts_msacc_init_thread(char *type, int id, int managed) {
ErtsMsAcc *msacc;
- msacc = erts_alloc(ERTS_ALC_T_MSACC, sizeof(ErtsMsAcc));
+ msacc = erts_alloc(ERTS_ALC_T_MSACC, sizeof(ErtsMsAcc) +
+ sizeof(ErtsMsAccPerfCntr) * ERTS_MSACC_STATE_COUNT);
msacc->type = strdup(type);
msacc->id = make_small(id);
@@ -122,79 +132,80 @@ void erts_msacc_init_thread(char *type, int id, int managed) {
#endif
}
+#ifdef ERTS_MSACC_EXTENDED_STATES
+
+void erts_msacc_set_bif_state(ErtsMsAcc *__erts_msacc_cache, Eterm mod, void *fn) {
+
+#ifdef ERTS_MSACC_EXTENDED_BIFS
+#define BIF_LIST(Mod,Func,Arity,FuncAddr,Num) \
+ if (fn == &FuncAddr) { \
+ ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATIC_STATE_COUNT + Num); \
+ } else
+#include "erl_bif_list.h"
+#undef BIF_LIST
+ { /* The last else in the macro expansion,
+ this happens for internal bifs, i.e. traps etc */
+ ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_BIF);
+ }
+#else
+ if (mod == am_ets) {
+ ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_ETS);
+ } else {
+ ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_BIF);
+ }
+#endif
+}
+
+#endif
+
/*
* Creates a structure looking like this
* #{ type => scheduler, id => 1, counters => #{ State1 => Counter1 ... StateN => CounterN}}
*/
static
-Eterm erts_msacc_gather_stats(ErtsMsAcc *msacc, Eterm **hpp, Uint *szp) {
+Eterm erts_msacc_gather_stats(ErtsMsAcc *msacc, ErtsHeapFactory *factory) {
+ Uint sz = 0;
+ Eterm *hp, cvs[ERTS_MSACC_STATE_COUNT];
+ Eterm key, state_map;
int i;
- Eterm *hp;
- Eterm key, state_key, state_map;
- Eterm res = THE_NON_VALUE;
- flatmap_t *map;
-
- if (szp) {
- *szp += MAP_HEADER_FLATMAP_SZ + 1 + 2*(3);
- *szp += MAP_HEADER_FLATMAP_SZ + 1 + 2*(ERTS_MSACC_STATE_COUNT);
- for (i = 0; i < ERTS_MSACC_STATE_COUNT; i++) {
- (void)erts_bld_sint64(NULL,szp,(Sint64)msacc->perf_counters[i]);
+ flatmap_t *map;
+
+ hp = erts_produce_heap(factory, 4, 0);
+ key = TUPLE3(hp,am_counters,am_id,am_type);
+
+ for (i = 0; i < ERTS_MSACC_STATE_COUNT; i++) {
+ cvs[i] = erts_bld_sint64(NULL, &sz,(Sint64)msacc->counters[i].pc);
#ifdef ERTS_MSACC_STATE_COUNTERS
- (void)erts_bld_uint64(NULL,szp,msacc->state_counters[i]);
- *szp += 3; /* tuple to put state+perf counter in */
+ erts_bld_uint64(NULL,&sz,msacc->counters[i].sc);
+ sz += 3;
#endif
- }
}
- if (hpp) {
- Eterm counters[ERTS_MSACC_STATE_COUNT];
- hp = *hpp;
- for (i = 0; i < ERTS_MSACC_STATE_COUNT; i++) {
- Eterm counter = erts_bld_sint64(&hp,NULL,(Sint64)msacc->perf_counters[i]);
+ hp = erts_produce_heap(factory, sz, 0);
+
+ for (i = 0; i < ERTS_MSACC_STATE_COUNT; i++) {
+ cvs[i] = erts_bld_sint64(&hp,NULL,(Sint64)msacc->counters[i].pc);
#ifdef ERTS_MSACC_STATE_COUNTERS
- Eterm counter__ = erts_bld_uint64(&hp,NULL,msacc->state_counters[i]);
- counters[i] = TUPLE2(hp,counter,counter__);
- hp += 3;
-#else
- counters[i] = counter;
+ Eterm counter__ = erts_bld_uint64(&hp,NULL,msacc->counters[i].sc);
+ cvs[i] = TUPLE2(hp,cvs[i],counter__);
+ hp += 3;
#endif
- }
-
- key = TUPLE3(hp,am_counters,am_id,am_type);
- hp += 4;
-
- state_key = make_tuple(hp);
- hp[0] = make_arityval(ERTS_MSACC_STATE_COUNT);
-
- for (i = 0; i < ERTS_MSACC_STATE_COUNT; i++)
- hp[1+i] = erts_msacc_state_atoms[i];
- hp += 1 + ERTS_MSACC_STATE_COUNT;
-
- map = (flatmap_t*)hp;
- hp += MAP_HEADER_FLATMAP_SZ;
- map->thing_word = MAP_HEADER_FLATMAP;
- map->size = ERTS_MSACC_STATE_COUNT;
- map->keys = state_key;
- for (i = 0; i < ERTS_MSACC_STATE_COUNT; i++)
- hp[i] = counters[i];
- hp += ERTS_MSACC_STATE_COUNT;
- state_map = make_flatmap(map);
-
- map = (flatmap_t*)hp;
- hp += MAP_HEADER_FLATMAP_SZ;
- map->thing_word = MAP_HEADER_FLATMAP;
- map->size = 3;
- map->keys = key;
- hp[0] = state_map;
- hp[1] = msacc->id;
- hp[2] = am_atom_put(msacc->type,strlen(msacc->type));
- hp += 3;
-
- *hpp = hp;
- res = make_flatmap(map);
}
- return res;
+ state_map = erts_map_from_ks_and_vs(factory, erts_msacc_state_atoms, cvs,
+ ERTS_MSACC_STATE_COUNT);
+
+ hp = erts_produce_heap(factory, MAP_HEADER_FLATMAP_SZ + 3, 0);
+ map = (flatmap_t*)hp;
+ hp += MAP_HEADER_FLATMAP_SZ;
+ map->thing_word = MAP_HEADER_FLATMAP;
+ map->size = 3;
+ map->keys = key;
+ hp[0] = state_map;
+ hp[1] = msacc->id;
+ hp[2] = am_atom_put(msacc->type,strlen(msacc->type));
+
+ return make_flatmap(map);
}
typedef struct {
@@ -222,40 +233,31 @@ static void send_reply(ErtsMsAcc *msacc, ErtsMSAccReq *msaccrp) {
ErtsSchedulerData *esdp = erts_get_scheduler_data();
Process *rp = msaccrp->proc;
ErtsMessage *msgp = NULL;
- Eterm **hpp, *hp;
+ Eterm *hp;
Eterm ref_copy = NIL, msg;
- Uint sz, *szp;
- ErlOffHeap *ohp = NULL;
ErtsProcLocks rp_locks = (esdp && msaccrp->req_sched == esdp->no
? ERTS_PROC_LOCK_MAIN : 0);
+ ErtsHeapFactory factory;
- sz = 0;
- hpp = NULL;
- szp = &sz;
-
- if (msacc->unmanaged) erts_mtx_lock(&msacc->mtx);
-
- while (1) {
- if (hpp)
- ref_copy = STORE_NC(hpp, ohp, msaccrp->ref);
- else
- *szp += REF_THING_SIZE;
-
- if (msaccrp->action != ERTS_MSACC_GATHER)
- msg = ref_copy;
- else {
- msg = erts_msacc_gather_stats(msacc, hpp, szp);
- msg = erts_bld_tuple(hpp, szp, 2, ref_copy, msg);
- }
- if (hpp)
- break;
-
- msgp = erts_alloc_message_heap(rp, &rp_locks, sz, &hp, &ohp);
- hpp = &hp;
- szp = NULL;
- }
+ if (msaccrp->action == ERTS_MSACC_GATHER) {
+
+ msgp = erts_factory_message_create(&factory, rp, &rp_locks, DEFAULT_MSACC_MSG_SIZE);
+
+ if (msacc->unmanaged) erts_mtx_lock(&msacc->mtx);
- if (msacc->unmanaged) erts_mtx_unlock(&msacc->mtx);
+ hp = erts_produce_heap(&factory, REF_THING_SIZE + 3 /* tuple */, 0);
+ ref_copy = STORE_NC(&hp, &msgp->hfrag.off_heap, msaccrp->ref);
+ msg = erts_msacc_gather_stats(msacc, &factory);
+ msg = TUPLE2(hp, ref_copy, msg);
+
+ if (msacc->unmanaged) erts_mtx_unlock(&msacc->mtx);
+
+ erts_factory_close(&factory);
+ } else {
+ ErlOffHeap *ohp = NULL;
+ msgp = erts_alloc_message_heap(rp, &rp_locks, REF_THING_SIZE, &hp, &ohp);
+ msg = STORE_NC(&hp, &msgp->hfrag.off_heap, msaccrp->ref);
+ }
erts_queue_message(rp, rp_locks, msgp, msg, am_system);
@@ -308,9 +310,9 @@ static void erts_msacc_reset(ErtsMsAcc *msacc) {
if (msacc->unmanaged) erts_mtx_lock(&msacc->mtx);
for (i = 0; i < ERTS_MSACC_STATE_COUNT; i++) {
- msacc->perf_counters[i] = 0;
+ msacc->counters[i].pc = 0;
#ifdef ERTS_MSACC_STATE_COUNTERS
- msacc->state_counters[i] = 0;
+ msacc->counters[i].sc = 0;
#endif
}
@@ -415,7 +417,7 @@ erts_msacc_request(Process *c_p, int action, Eterm *threads)
ErtsSysPerfCounter perf_counter;
/* if enabled update stats */
perf_counter = erts_sys_perf_counter();
- unmanaged[i]->perf_counters[unmanaged[i]->state] +=
+ unmanaged[i]->counters[unmanaged[i]->state].pc +=
perf_counter - unmanaged[i]->perf_counter;
unmanaged[i]->perf_counter = perf_counter;
}
@@ -454,7 +456,7 @@ erts_msacc_request(Process *c_p, int action, Eterm *threads)
for (msacc = msacc_unmanaged; msacc != NULL; msacc = msacc->next) {
erts_mtx_lock(&msacc->mtx);
perf_counter = erts_sys_perf_counter();
- msacc->perf_counters[msacc->state] += perf_counter - msacc->perf_counter;
+ msacc->counters[msacc->state].pc += perf_counter - msacc->perf_counter;
msacc->perf_counter = 0;
erts_mtx_unlock(&msacc->mtx);
}
diff --git a/erts/emulator/beam/erl_msacc.h b/erts/emulator/beam/erl_msacc.h
index 284388f7aa..96d7d227bc 100644
--- a/erts/emulator/beam/erl_msacc.h
+++ b/erts/emulator/beam/erl_msacc.h
@@ -35,6 +35,10 @@
this reduces overhead a little bit when profiling */
/* #define ERTS_MSACC_ALWAYS_ON 1 */
+/* Uncomment this to keep individual stats for all
+ of the bifs when extended states is enabled */
+/* #define ERTS_MSACC_EXTENDED_BIFS 1 */
+
#define ERTS_MSACC_DISABLE 0
#define ERTS_MSACC_ENABLE 1
#define ERTS_MSACC_RESET 2
@@ -92,7 +96,13 @@ static char *erts_msacc_states[] = {
#define ERTS_MSACC_STATE_SLEEP 13
#define ERTS_MSACC_STATE_TIMERS 14
-#define ERTS_MSACC_STATE_COUNT 15
+#define ERTS_MSACC_STATIC_STATE_COUNT 15
+
+#ifdef ERTS_MSACC_EXTENDED_BIFS
+#define ERTS_MSACC_STATE_COUNT (ERTS_MSACC_STATIC_STATE_COUNT + BIF_SIZE)
+#else
+#define ERTS_MSACC_STATE_COUNT ERTS_MSACC_STATIC_STATE_COUNT
+#endif
#if ERTS_MSACC_STATE_STRINGS
static char *erts_msacc_states[] = {
@@ -111,22 +121,26 @@ static char *erts_msacc_states[] = {
"send",
"sleep",
"timers"
+#ifdef ERTS_MSACC_EXTENDED_BIFS
+#define BIF_LIST(Mod,Func,Arity,FuncAddr,Num) \
+ ,"bif_" #Mod "_" #Func "_" #Arity
+#include "erl_bif_list.h"
+#undef BIF_LIST
+#endif
};
#endif
#endif
typedef struct erl_msacc_t_ ErtsMsAcc;
-
-struct erl_msacc_t_ {
-
- /* the the values below are protected by mtx iff unmanaged = 1 */
- ErtsSysPerfCounter perf_counter;
- ErtsSysPerfCounter perf_counters[ERTS_MSACC_STATE_COUNT];
+typedef struct erl_msacc_p_cnt_t_ {
+ ErtsSysPerfCounter pc;
#ifdef ERTS_MSACC_STATE_COUNTERS
- Uint64 state_counters[ERTS_MSACC_STATE_COUNT];
+ Uint64 sc;
#endif
- Uint state;
+} ErtsMsAccPerfCntr;
+
+struct erl_msacc_t_ {
/* protected by msacc_mutex in erl_msacc.c, and should be constant */
int unmanaged;
@@ -135,6 +149,12 @@ struct erl_msacc_t_ {
erts_tid_t tid;
Eterm id;
char *type;
+
+ /* the the values below are protected by mtx iff unmanaged = 1 */
+ ErtsSysPerfCounter perf_counter;
+ Uint state;
+ ErtsMsAccPerfCntr counters[];
+
};
#if ERTS_ENABLE_MSACC
@@ -334,9 +354,9 @@ void erts_msacc_set_state_m__(ErtsMsAcc *msacc, Uint new_state, int increment) {
msacc->perf_counter = erts_sys_perf_counter();
diff = msacc->perf_counter - prev_perf_counter;
ASSERT(diff >= 0);
- msacc->perf_counters[msacc->state] += diff;
+ msacc->counters[msacc->state].pc += diff;
#ifdef ERTS_MSACC_STATE_COUNTERS
- msacc->state_counters[new_state] += increment;
+ msacc->counters[new_state].sc += increment;
#endif
msacc->state = new_state;
}
@@ -364,7 +384,7 @@ void erts_msacc_set_state_m__(ErtsMsAcc *msacc, Uint new_state, int increment) {
#define ERTS_MSACC_SET_STATE_CACHED_M(state)
#define ERTS_MSACC_POP_STATE_M()
#define ERTS_MSACC_PUSH_AND_SET_STATE_M(state)
-
+#define ERTS_MSACC_SET_BIF_STATE_CACHED_X(Mod,Addr)
#endif /* ERTS_ENABLE_MSACC */
@@ -385,9 +405,13 @@ void erts_msacc_set_state_m__(ErtsMsAcc *msacc, Uint new_state, int increment) {
#define ERTS_MSACC_SET_STATE_CACHED_M_X(state)
#define ERTS_MSACC_POP_STATE_M_X()
#define ERTS_MSACC_PUSH_AND_SET_STATE_M_X(state)
+#define ERTS_MSACC_PUSH_AND_SET_STATE_CACHED_M_X(state)
+#define ERTS_MSACC_SET_BIF_STATE_CACHED_X(Mod,Addr)
#else
+void erts_msacc_set_bif_state(ErtsMsAcc *msacc, Eterm mod, void *addr);
+
#define ERTS_MSACC_PUSH_STATE_X() ERTS_MSACC_PUSH_STATE()
#define ERTS_MSACC_POP_STATE_X() ERTS_MSACC_POP_STATE()
#define ERTS_MSACC_SET_STATE_X(state) ERTS_MSACC_SET_STATE(state)
@@ -403,6 +427,9 @@ void erts_msacc_set_state_m__(ErtsMsAcc *msacc, Uint new_state, int increment) {
#define ERTS_MSACC_SET_STATE_CACHED_M_X(state) ERTS_MSACC_SET_STATE_CACHED_M(state)
#define ERTS_MSACC_POP_STATE_M_X() ERTS_MSACC_POP_STATE_M()
#define ERTS_MSACC_PUSH_AND_SET_STATE_M_X(state) ERTS_MSACC_PUSH_AND_SET_STATE_M(state)
+#define ERTS_MSACC_SET_BIF_STATE_CACHED_X(Mod,Addr) \
+ if (ERTS_MSACC_IS_ENABLED_CACHED_X()) \
+ erts_msacc_set_bif_state(__erts_msacc_cache, Mod, Addr)
#endif /* !ERTS_MSACC_EXTENDED_STATES */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-21 15:25:58 +0000