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Implement opt.stats_interval and the _opts options.

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Add options stats_interval and stats_interval_opts to allow interval based stats
printing.  This provides an easy way to collect stats without code changes,
because opt.stats_print may not work (some binaries never exit).
This commit is contained in:
Qi Wang
2020-01-13 22:29:17 -08:00
committed by Qi Wang
parent d71a145ec1
commit 88b0e03a4e
14 changed files with 334 additions and 50 deletions
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26
src/thread_event.c
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@@ -25,6 +25,7 @@ static void thread_##event##_event_handler(tsd_t *tsd);
ITERATE_OVER_ALL_EVENTS
#undef E
/* (Re)Init functions. */
static void
tsd_thread_tcache_gc_event_init(tsd_t *tsd) {
assert(TCACHE_GC_INCR_BYTES > 0);
@@ -37,11 +38,19 @@ tsd_thread_prof_sample_event_init(tsd_t *tsd) {
prof_sample_threshold_update(tsd);
}
static void
tsd_thread_stats_interval_event_init(tsd_t *tsd) {
assert(opt_stats_interval >= 0);
uint64_t interval = stats_interval_accum_batch_size();
thread_stats_interval_event_update(tsd, interval);
}
/* Handler functions. */
static void
thread_tcache_gc_event_handler(tsd_t *tsd) {
assert(TCACHE_GC_INCR_BYTES > 0);
assert(tcache_gc_event_wait_get(tsd) == 0U);
thread_tcache_gc_event_update(tsd, TCACHE_GC_INCR_BYTES);
tsd_thread_tcache_gc_event_init(tsd);
tcache_t *tcache = tcache_get(tsd);
if (tcache != NULL) {
tcache_event_hard(tsd, tcache);
@@ -71,6 +80,21 @@ thread_prof_sample_event_handler(tsd_t *tsd) {
}
}
static void
thread_stats_interval_event_handler(tsd_t *tsd) {
assert(opt_stats_interval >= 0);
assert(stats_interval_event_wait_get(tsd) == 0U);
uint64_t last_event = thread_allocated_last_event_get(tsd);
uint64_t last_stats_event = stats_interval_last_event_get(tsd);
stats_interval_last_event_set(tsd, last_event);
if (stats_interval_accum(tsd, last_event - last_stats_event)) {
je_malloc_stats_print(NULL, NULL, opt_stats_interval_opts);
}
tsd_thread_stats_interval_event_init(tsd);
}
/* Per event facilities done. */
static uint64_t
thread_allocated_next_event_compute(tsd_t *tsd) {
uint64_t wait = THREAD_EVENT_MAX_START_WAIT;