project-base/server-skynet-source-3rd-jemalloc
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Implement arena.<i>.destroy .

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Add MALLCTL_ARENAS_DESTROYED for accessing destroyed arena stats as an
analogue to MALLCTL_ARENAS_ALL.

This resolves #382.
This commit is contained in:
Jason Evans
2017-01-03 17:21:59 -08:00
parent 3f291d59ad
commit edf1bafb2b
16 changed files with 616 additions and 136 deletions
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12
include/jemalloc/internal/ctl.h
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@@ -32,7 +32,10 @@ struct ctl_indexed_node_s {
};
struct ctl_arena_stats_s {
unsigned arena_ind;
bool initialized;
ql_elm(ctl_arena_stats_t) destroyed_link;
unsigned nthreads;
const char *dss;
ssize_t decay_time;
@@ -62,7 +65,14 @@ struct ctl_stats_s {
size_t mapped;
size_t retained;
unsigned narenas;
ctl_arena_stats_t *arenas[1 << MALLOCX_ARENA_BITS];
ql_head(ctl_arena_stats_t) destroyed;
/*
* Element 0 contains merged stats for extant arenas (accessed via
* MALLCTL_ARENAS_ALL), element 1 contains merged stats for destroyed
* arenas (accessed via MALLCTL_ARENAS_DESTROYED), and the remaining
* MALLOCX_ARENA_MAX+1 elements correspond to arenas.
*/
ctl_arena_stats_t *arenas[MALLOCX_ARENA_MAX + 3];
};
#endif /* JEMALLOC_H_STRUCTS */