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HPA: Make dirty_mult configurable.

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This commit is contained in:
David Goldblatt
2020-12-09 15:55:17 -08:00
committed by David Goldblatt
parent 32dd153796
commit 79f81a3732
5 changed files with 61 additions and 3 deletions
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21
src/stats.c
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@@ -4,6 +4,7 @@
#include "jemalloc/internal/assert.h"
#include "jemalloc/internal/ctl.h"
#include "jemalloc/internal/emitter.h"
#include "jemalloc/internal/fxp.h"
#include "jemalloc/internal/mutex.h"
#include "jemalloc/internal/mutex_prof.h"
#include "jemalloc/internal/prof_stats.h"
@@ -1375,13 +1376,14 @@ stats_general_print(emitter_t *emitter) {
uint64_t u64v;
int64_t i64v;
ssize_t ssv, ssv2;
size_t sv, bsz, usz, i64sz, ssz, sssz, cpsz;
size_t sv, bsz, usz, u32sz, i64sz, ssz, sssz, cpsz;
bsz = sizeof(bool);
usz = sizeof(unsigned);
ssz = sizeof(size_t);
sssz = sizeof(ssize_t);
cpsz = sizeof(const char *);
u32sz = sizeof(uint32_t);
i64sz = sizeof(int64_t);
CTL_GET("version", &cpv, const char *);
@@ -1466,6 +1468,23 @@ stats_general_print(emitter_t *emitter) {
OPT_WRITE_SIZE_T("hpa_slab_max_alloc")
OPT_WRITE_SIZE_T("hpa_hugification_threshold")
OPT_WRITE_SIZE_T("hpa_dehugification_threshold")
if (je_mallctl("opt.hpa_dirty_mult", (void *)&u32v, &u32sz, NULL, 0)
== 0) {
/*
* We cheat a little and "know" the secret meaning of this
* representation.
*/
if (u32v == (uint32_t)-1) {
emitter_kv(emitter, "hpa_dirty_mult",
"opt.hpa_dirty_mult", emitter_type_string, "-1");
} else {
char buf[FXP_BUF_SIZE];
fxp_print(u32v, buf);
const char *bufp = buf;
emitter_kv(emitter, "hpa_dirty_mult",
"opt.hpa_dirty_mult", emitter_type_string, &bufp);
}
}
OPT_WRITE_SIZE_T("hpa_sec_max_alloc")
OPT_WRITE_SIZE_T("hpa_sec_max_bytes")
OPT_WRITE_SIZE_T("hpa_sec_nshards")