romenskiy2012/jemalloc
1
0
Fork 0
mirror of https://github.com/jemalloc/jemalloc.git synced 2026-05-30 08:37:29 +03:00
Code Issues Projects Releases Packages Wiki Activity

HPA: Add purge stats.

Browse source
This commit is contained in:
David Goldblatt 2020-12-03 16:09:50 -08:00 • committed by David Goldblatt
parent 746ea3de6f
commit b25ee5d88e
4 changed files with 97 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

34
include/jemalloc/internal/hpa.h
View file

@ -9,12 +9,40 @@
typedef struct hpa_shard_nonderived_stats_s hpa_shard_nonderived_stats_t;
struct hpa_shard_nonderived_stats_s {
/*
* The number of times we've purged a hugepage. Each eviction purges a
* single hugepage.
* The number of times we've fully purged a hugepage and evicted it from
* the psset.
*
* Guarded by the grow mutex.
* Guarded by grow_mtx.
*/
uint64_t nevictions;
/*
* The number of times we've purged within a hugepage.
*
* Guarded by mtx.
*/
uint64_t npurge_passes;
/*
* The number of individual purge calls we perform (which should always
* be bigger than npurge_passes, since each pass purges at least one
* extent within a hugepage.
*
* Guarded by mtx.
*/
uint64_t npurges;
/*
* The number of times we've hugified a pageslab.
*
* Guarded by mtx.
*/
uint64_t nhugifies;
/*
* The number of times we've dehugified a pageslab.
*
* Guarded by mtx.
*/
uint64_t ndehugifies;
};
/* Completely derived; only used by CTL. */