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Add the "thread.tcache.enabled" mallctl.

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This commit is contained in:
Jason Evans
2012-03-26 18:54:44 -07:00
parent fd4fcefa00
commit d4be8b7b6e
7 changed files with 271 additions and 36 deletions
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36
src/ctl.c
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@@ -39,6 +39,7 @@ static int ctl_lookup(const char *name, ctl_node_t const **nodesp,
CTL_PROTO(version)
CTL_PROTO(epoch)
CTL_PROTO(thread_tcache_enabled)
CTL_PROTO(thread_tcache_flush)
CTL_PROTO(thread_arena)
CTL_PROTO(thread_allocated)
@@ -151,6 +152,7 @@ CTL_PROTO(stats_mapped)
#define INDEX(i) false, {.indexed = {i##_index}}, NULL
static const ctl_node_t tcache_node[] = {
{NAME("enabled"), CTL(thread_tcache_enabled)},
{NAME("flush"), CTL(thread_tcache_flush)}
};
@@ -966,25 +968,43 @@ RETURN:
return (ret);
}
static int
thread_tcache_enabled_ctl(const size_t *mib, size_t miblen, void *oldp,
size_t *oldlenp, void *newp, size_t newlen)
{
int ret;
bool oldval;
if (config_tcache == false)
return (ENOENT);
oldval = tcache_enabled_get();
if (newp != NULL) {
if (newlen != sizeof(bool)) {
ret = EINVAL;
goto RETURN;
}
tcache_enabled_set(*(bool *)newp);
}
READ(oldval, bool);
RETURN:
ret = 0;
return (ret);
}
static int
thread_tcache_flush_ctl(const size_t *mib, size_t miblen, void *oldp,
size_t *oldlenp, void *newp, size_t newlen)
{
int ret;
tcache_t *tcache;
if (config_tcache == false)
return (ENOENT);
VOID();
if ((tcache = *tcache_tsd_get()) == NULL) {
ret = 0;
goto RETURN;
}
tcache_destroy(tcache);
tcache = NULL;
tcache_tsd_set(&tcache);
tcache_flush();
ret = 0;
RETURN: