server-skynet-source-3rd-je.../src/peak_event.c
David Goldblatt 1b3ee75667 Add experimental.thread.activity_callback.
This (experimental, undocumented) functionality can be used by users to track
various statistics of interest at a finer level of granularity than the thread.
2020-11-05 12:33:25 -08:00

83 lines
2.0 KiB
C

#include "jemalloc/internal/jemalloc_preamble.h"
#include "jemalloc/internal/jemalloc_internal_includes.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
* performance requirements for small values, or guarantee that we'll even be
* able to provide fine-grained accuracy.
*/
#define PEAK_EVENT_WAIT (64 * 1024)
/* Update the peak with current tsd state. */
void
peak_event_update(tsd_t *tsd) {
uint64_t alloc = tsd_thread_allocated_get(tsd);
uint64_t dalloc = tsd_thread_deallocated_get(tsd);
peak_t *peak = tsd_peakp_get(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) {
uint64_t alloc = tsd_thread_allocated_get(tsd);
uint64_t dalloc = tsd_thread_deallocated_get(tsd);
peak_t *peak = tsd_peakp_get(tsd);
peak_set_zero(peak, alloc, dalloc);
}
uint64_t
peak_event_max(tsd_t *tsd) {
peak_t *peak = tsd_peakp_get(tsd);
return peak_max(peak);
}
uint64_t
peak_alloc_new_event_wait(tsd_t *tsd) {
return PEAK_EVENT_WAIT;
}
uint64_t
peak_alloc_postponed_event_wait(tsd_t *tsd) {
return TE_MIN_START_WAIT;
}
void
peak_alloc_event_handler(tsd_t *tsd, uint64_t elapsed) {
peak_event_update(tsd);
peak_event_activity_callback(tsd);
}
uint64_t
peak_dalloc_new_event_wait(tsd_t *tsd) {
return PEAK_EVENT_WAIT;
}
uint64_t
peak_dalloc_postponed_event_wait(tsd_t *tsd) {
return TE_MIN_START_WAIT;
}
void
peak_dalloc_event_handler(tsd_t *tsd, uint64_t elapsed) {
peak_event_update(tsd);
peak_event_activity_callback(tsd);
}