1b3ee75667
This (experimental, undocumented) functionality can be used by users to track various statistics of interest at a finer level of granularity than the thread.
83 lines
2.0 KiB
C
83 lines
2.0 KiB
C
#include "jemalloc/internal/jemalloc_preamble.h"
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#include "jemalloc/internal/jemalloc_internal_includes.h"
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#include "jemalloc/internal/peak_event.h"
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#include "jemalloc/internal/activity_callback.h"
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#include "jemalloc/internal/peak.h"
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/*
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* Update every 64K by default. We're not exposing this as a configuration
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* option for now; we don't want to bind ourselves too tightly to any particular
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* performance requirements for small values, or guarantee that we'll even be
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* able to provide fine-grained accuracy.
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*/
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#define PEAK_EVENT_WAIT (64 * 1024)
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/* Update the peak with current tsd state. */
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void
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peak_event_update(tsd_t *tsd) {
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uint64_t alloc = tsd_thread_allocated_get(tsd);
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uint64_t dalloc = tsd_thread_deallocated_get(tsd);
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peak_t *peak = tsd_peakp_get(tsd);
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peak_update(peak, alloc, dalloc);
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}
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static void
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peak_event_activity_callback(tsd_t *tsd) {
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activity_callback_thunk_t *thunk = tsd_activity_callback_thunkp_get(
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tsd);
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uint64_t alloc = tsd_thread_allocated_get(tsd);
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uint64_t dalloc = tsd_thread_deallocated_get(tsd);
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if (thunk->callback != NULL) {
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thunk->callback(thunk->uctx, alloc, dalloc);
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}
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}
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/* Set current state to zero. */
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void
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peak_event_zero(tsd_t *tsd) {
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uint64_t alloc = tsd_thread_allocated_get(tsd);
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uint64_t dalloc = tsd_thread_deallocated_get(tsd);
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peak_t *peak = tsd_peakp_get(tsd);
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peak_set_zero(peak, alloc, dalloc);
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}
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uint64_t
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peak_event_max(tsd_t *tsd) {
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peak_t *peak = tsd_peakp_get(tsd);
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return peak_max(peak);
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}
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uint64_t
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peak_alloc_new_event_wait(tsd_t *tsd) {
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return PEAK_EVENT_WAIT;
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}
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uint64_t
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peak_alloc_postponed_event_wait(tsd_t *tsd) {
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return TE_MIN_START_WAIT;
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}
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void
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peak_alloc_event_handler(tsd_t *tsd, uint64_t elapsed) {
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peak_event_update(tsd);
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peak_event_activity_callback(tsd);
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}
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uint64_t
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peak_dalloc_new_event_wait(tsd_t *tsd) {
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return PEAK_EVENT_WAIT;
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}
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uint64_t
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peak_dalloc_postponed_event_wait(tsd_t *tsd) {
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return TE_MIN_START_WAIT;
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}
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void
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peak_dalloc_event_handler(tsd_t *tsd, uint64_t elapsed) {
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peak_event_update(tsd);
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peak_event_activity_callback(tsd);
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}
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