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Extents: Split out introspection functionality.

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This isn't really part of the core extent allocation facilities.  Especially as
this module grows, having it in its own place may come in handy.
This commit is contained in:
David Goldblatt
2019-12-04 09:44:59 -08:00
committed by David Goldblatt
parent 92a511d385
commit 403f2d1664
9 changed files with 132 additions and 113 deletions
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20
src/ctl.c
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@@ -6,6 +6,7 @@
#include "jemalloc/internal/ctl.h"
#include "jemalloc/internal/extent_dss.h"
#include "jemalloc/internal/extent_mmap.h"
#include "jemalloc/internal/inspect.h"
#include "jemalloc/internal/mutex.h"
#include "jemalloc/internal/nstime.h"
#include "jemalloc/internal/sc.h"
@@ -3258,11 +3259,11 @@ experimental_utilization_query_ctl(tsd_t *tsd, const size_t *mib,
size_t miblen, void *oldp, size_t *oldlenp, void *newp, size_t newlen) {
int ret;
assert(sizeof(extent_util_stats_verbose_t)
assert(sizeof(inspect_extent_util_stats_verbose_t)
== sizeof(void *) + sizeof(size_t) * 5);
if (oldp == NULL || oldlenp == NULL
|| *oldlenp != sizeof(extent_util_stats_verbose_t)
|| *oldlenp != sizeof(inspect_extent_util_stats_verbose_t)
|| newp == NULL) {
ret = EINVAL;
goto label_return;
@@ -3270,9 +3271,9 @@ experimental_utilization_query_ctl(tsd_t *tsd, const size_t *mib,
void *ptr = NULL;
WRITE(ptr, void *);
extent_util_stats_verbose_t *util_stats
= (extent_util_stats_verbose_t *)oldp;
extent_util_stats_verbose_get(tsd_tsdn(tsd), ptr,
inspect_extent_util_stats_verbose_t *util_stats
= (inspect_extent_util_stats_verbose_t *)oldp;
inspect_extent_util_stats_verbose_get(tsd_tsdn(tsd), ptr,
&util_stats->nfree, &util_stats->nregs, &util_stats->size,
&util_stats->bin_nfree, &util_stats->bin_nregs,
&util_stats->slabcur_addr);
@@ -3383,21 +3384,22 @@ experimental_utilization_batch_query_ctl(tsd_t *tsd, const size_t *mib,
size_t miblen, void *oldp, size_t *oldlenp, void *newp, size_t newlen) {
int ret;
assert(sizeof(extent_util_stats_t) == sizeof(size_t) * 3);
assert(sizeof(inspect_extent_util_stats_t) == sizeof(size_t) * 3);
const size_t len = newlen / sizeof(const void *);
if (oldp == NULL || oldlenp == NULL || newp == NULL || newlen == 0
|| newlen != len * sizeof(const void *)
|| *oldlenp != len * sizeof(extent_util_stats_t)) {
|| *oldlenp != len * sizeof(inspect_extent_util_stats_t)) {
ret = EINVAL;
goto label_return;
}
void **ptrs = (void **)newp;
extent_util_stats_t *util_stats = (extent_util_stats_t *)oldp;
inspect_extent_util_stats_t *util_stats =
(inspect_extent_util_stats_t *)oldp;
size_t i;
for (i = 0; i < len; ++i) {
extent_util_stats_get(tsd_tsdn(tsd), ptrs[i],
inspect_extent_util_stats_get(tsd_tsdn(tsd), ptrs[i],
&util_stats[i].nfree, &util_stats[i].nregs,
&util_stats[i].size);
}