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Add experimental.thread.activity_callback.

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This (experimental, undocumented) functionality can be used by users to track
various statistics of interest at a finer level of granularity than the thread.
This commit is contained in:
David Goldblatt 2020-10-30 16:31:32 -07:00 • committed by David Goldblatt
parent 27ef02ca9a
commit 1b3ee75667
5 changed files with 151 additions and 3 deletions
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17
src/peak_event.c
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@ -1,9 +1,11 @@
#include "jemalloc/internal/jemalloc_preamble.h"
#include "jemalloc/internal/jemalloc_internal_includes.h"
#include "jemalloc/internal/peak.h"
#include "jemalloc/internal/peak_event.h"
#include "jemalloc/internal/activity_callback.h"
#include "jemalloc/internal/peak.h"
/*
* Update every 64K by default. We're not exposing this as a configuration
* option for now; we don't want to bind ourselves too tightly to any particular
@ -21,6 +23,17 @@ peak_event_update(tsd_t *tsd) {
peak_update(peak, alloc, dalloc);
}
static void
peak_event_activity_callback(tsd_t *tsd) {
activity_callback_thunk_t *thunk = tsd_activity_callback_thunkp_get(
tsd);
uint64_t alloc = tsd_thread_allocated_get(tsd);
uint64_t dalloc = tsd_thread_deallocated_get(tsd);
if (thunk->callback != NULL) {
thunk->callback(thunk->uctx, alloc, dalloc);
}
}
/* Set current state to zero. */
void
peak_event_zero(tsd_t *tsd) {
@ -49,6 +62,7 @@ peak_alloc_postponed_event_wait(tsd_t *tsd) {
void
peak_alloc_event_handler(tsd_t *tsd, uint64_t elapsed) {
peak_event_update(tsd);
peak_event_activity_callback(tsd);
}
uint64_t
@ -64,4 +78,5 @@ peak_dalloc_postponed_event_wait(tsd_t *tsd) {
void
peak_dalloc_event_handler(tsd_t *tsd, uint64_t elapsed) {
peak_event_update(tsd);
peak_event_activity_callback(tsd);
}