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Track the leaked VM space via the abandoned_vm counter.

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The counter is 0 unless metadata allocation failed (indicates OOM), and is
mainly for sanity checking.
This commit is contained in:
Qi Wang
2019-07-15 15:56:05 -07:00
committed by Qi Wang
parent 42807fcd9e
commit 4e36ce34c1
5 changed files with 26 additions and 5 deletions
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3
src/stats.c
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@@ -673,7 +673,7 @@ stats_arena_print(emitter_t *emitter, unsigned i, bool bins, bool large,
size_t large_allocated;
uint64_t large_nmalloc, large_ndalloc, large_nrequests, large_nfills,
large_nflushes;
size_t tcache_bytes;
size_t tcache_bytes, abandoned_vm;
uint64_t uptime;
CTL_GET("arenas.page", &page, size_t);
@@ -963,6 +963,7 @@ stats_arena_print(emitter_t *emitter, unsigned i, bool bins, bool large,
GET_AND_EMIT_MEM_STAT(metadata_thp)
GET_AND_EMIT_MEM_STAT(tcache_bytes)
GET_AND_EMIT_MEM_STAT(resident)
GET_AND_EMIT_MEM_STAT(abandoned_vm)
GET_AND_EMIT_MEM_STAT(extent_avail)
#undef GET_AND_EMIT_MEM_STAT