xref: /freebsd/contrib/jemalloc/src/prof_stats.c (revision c43cad87172039ccf38172129c79755ea79e6102)
1*c43cad87SWarner Losh #include "jemalloc/internal/jemalloc_preamble.h"
2*c43cad87SWarner Losh #include "jemalloc/internal/jemalloc_internal_includes.h"
3*c43cad87SWarner Losh 
4*c43cad87SWarner Losh #include "jemalloc/internal/prof_stats.h"
5*c43cad87SWarner Losh 
6*c43cad87SWarner Losh bool opt_prof_stats = false;
7*c43cad87SWarner Losh malloc_mutex_t prof_stats_mtx;
8*c43cad87SWarner Losh static prof_stats_t prof_stats_live[PROF_SC_NSIZES];
9*c43cad87SWarner Losh static prof_stats_t prof_stats_accum[PROF_SC_NSIZES];
10*c43cad87SWarner Losh 
11*c43cad87SWarner Losh static void
12*c43cad87SWarner Losh prof_stats_enter(tsd_t *tsd, szind_t ind) {
13*c43cad87SWarner Losh 	assert(opt_prof && opt_prof_stats);
14*c43cad87SWarner Losh 	assert(ind < SC_NSIZES);
15*c43cad87SWarner Losh 	malloc_mutex_lock(tsd_tsdn(tsd), &prof_stats_mtx);
16*c43cad87SWarner Losh }
17*c43cad87SWarner Losh 
18*c43cad87SWarner Losh static void
19*c43cad87SWarner Losh prof_stats_leave(tsd_t *tsd) {
20*c43cad87SWarner Losh 	malloc_mutex_unlock(tsd_tsdn(tsd), &prof_stats_mtx);
21*c43cad87SWarner Losh }
22*c43cad87SWarner Losh 
23*c43cad87SWarner Losh void
24*c43cad87SWarner Losh prof_stats_inc(tsd_t *tsd, szind_t ind, size_t size) {
25*c43cad87SWarner Losh 	cassert(config_prof);
26*c43cad87SWarner Losh 	prof_stats_enter(tsd, ind);
27*c43cad87SWarner Losh 	prof_stats_live[ind].req_sum += size;
28*c43cad87SWarner Losh 	prof_stats_live[ind].count++;
29*c43cad87SWarner Losh 	prof_stats_accum[ind].req_sum += size;
30*c43cad87SWarner Losh 	prof_stats_accum[ind].count++;
31*c43cad87SWarner Losh 	prof_stats_leave(tsd);
32*c43cad87SWarner Losh }
33*c43cad87SWarner Losh 
34*c43cad87SWarner Losh void
35*c43cad87SWarner Losh prof_stats_dec(tsd_t *tsd, szind_t ind, size_t size) {
36*c43cad87SWarner Losh 	cassert(config_prof);
37*c43cad87SWarner Losh 	prof_stats_enter(tsd, ind);
38*c43cad87SWarner Losh 	prof_stats_live[ind].req_sum -= size;
39*c43cad87SWarner Losh 	prof_stats_live[ind].count--;
40*c43cad87SWarner Losh 	prof_stats_leave(tsd);
41*c43cad87SWarner Losh }
42*c43cad87SWarner Losh 
43*c43cad87SWarner Losh void
44*c43cad87SWarner Losh prof_stats_get_live(tsd_t *tsd, szind_t ind, prof_stats_t *stats) {
45*c43cad87SWarner Losh 	cassert(config_prof);
46*c43cad87SWarner Losh 	prof_stats_enter(tsd, ind);
47*c43cad87SWarner Losh 	memcpy(stats, &prof_stats_live[ind], sizeof(prof_stats_t));
48*c43cad87SWarner Losh 	prof_stats_leave(tsd);
49*c43cad87SWarner Losh }
50*c43cad87SWarner Losh 
51*c43cad87SWarner Losh void
52*c43cad87SWarner Losh prof_stats_get_accum(tsd_t *tsd, szind_t ind, prof_stats_t *stats) {
53*c43cad87SWarner Losh 	cassert(config_prof);
54*c43cad87SWarner Losh 	prof_stats_enter(tsd, ind);
55*c43cad87SWarner Losh 	memcpy(stats, &prof_stats_accum[ind], sizeof(prof_stats_t));
56*c43cad87SWarner Losh 	prof_stats_leave(tsd);
57*c43cad87SWarner Losh }
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