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CTL, Stats: report HPA empty slab stats.

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David Goldblatt 2020-12-05 19:24:23 -08:00 • committed by David Goldblatt
parent bf64557ed6
commit 0ea3d6307c
2 changed files with 123 additions and 25 deletions
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98
src/stats.c
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@ -813,6 +813,35 @@ stats_arena_hpa_shard_print(emitter_t *emitter, unsigned i, uint64_t uptime) {
size_t ndirty_nonhuge;
size_t nretained_nonhuge;
size_t sec_bytes;
CTL_M2_GET("stats.arenas.0.hpa_sec_bytes", i, &sec_bytes, size_t);
emitter_kv(emitter, "sec_bytes", "Bytes in small extent cache",
emitter_type_size, &sec_bytes);
/* First, global stats. */
emitter_table_printf(emitter,
"HPA shard stats:\n"
" Purge passes: %" FMTu64 " (%" FMTu64 " / sec)\n"
" Purges: %" FMTu64 " (%" FMTu64 " / sec)\n"
" Hugeifies: %" FMTu64 " (%" FMTu64 " / sec)\n"
" Dehugifies: %" FMTu64 " (%" FMTu64 " / sec)\n"
"\n",
npurge_passes, rate_per_second(npurge_passes, uptime),
npurges, rate_per_second(npurges, uptime),
nhugifies, rate_per_second(nhugifies, uptime),
ndehugifies, rate_per_second(ndehugifies, uptime));
emitter_json_object_kv_begin(emitter, "hpa_shard");
emitter_json_kv(emitter, "npurge_passes", emitter_type_uint64,
&npurge_passes);
emitter_json_kv(emitter, "npurges", emitter_type_uint64,
&npurges);
emitter_json_kv(emitter, "nhugifies", emitter_type_uint64,
&nhugifies);
emitter_json_kv(emitter, "ndehugifies", emitter_type_uint64,
&ndehugifies);
/* Next, full slab stats. */
CTL_M2_GET("stats.arenas.0.hpa_shard.full_slabs.npageslabs_huge",
i, &npageslabs_huge, size_t);
CTL_M2_GET("stats.arenas.0.hpa_shard.full_slabs.nactive_huge",
@ -829,42 +858,17 @@ stats_arena_hpa_shard_print(emitter_t *emitter, unsigned i, uint64_t uptime) {
nretained_nonhuge = npageslabs_nonhuge * HUGEPAGE_PAGES
- nactive_nonhuge - ndirty_nonhuge;
size_t sec_bytes;
CTL_M2_GET("stats.arenas.0.hpa_sec_bytes", i, &sec_bytes, size_t);
emitter_kv(emitter, "sec_bytes", "Bytes in small extent cache",
emitter_type_size, &sec_bytes);
emitter_table_printf(emitter,
"HPA shard stats:\n"
" Purge passes: %" FMTu64 " (%" FMTu64 " / sec)\n"
" Purges: %" FMTu64 " (%" FMTu64 " / sec)\n"
" Hugeifies: %" FMTu64 " (%" FMTu64 " / sec)\n"
" Dehugifies: %" FMTu64 " (%" FMTu64 " / sec)\n"
"\n"
" In full slabs:\n"
" npageslabs: %zu huge, %zu nonhuge\n"
" nactive: %zu huge, %zu nonhuge \n"
" ndirty: %zu huge, %zu nonhuge \n"
" nretained: 0 huge, %zu nonhuge \n",
npurge_passes, rate_per_second(npurge_passes, uptime),
npurges, rate_per_second(npurges, uptime),
nhugifies, rate_per_second(nhugifies, uptime),
ndehugifies, rate_per_second(ndehugifies, uptime),
npageslabs_huge, npageslabs_nonhuge,
nactive_huge, nactive_nonhuge,
ndirty_huge, ndirty_nonhuge,
nretained_nonhuge);
emitter_json_object_kv_begin(emitter, "hpa_shard");
emitter_json_kv(emitter, "npurge_passes", emitter_type_uint64,
&npurge_passes);
emitter_json_kv(emitter, "npurges", emitter_type_uint64,
&npurges);
emitter_json_kv(emitter, "nhugifies", emitter_type_uint64,
&nhugifies);
emitter_json_kv(emitter, "ndehugifies", emitter_type_uint64,
&ndehugifies);
emitter_json_object_kv_begin(emitter, "full_slabs");
emitter_json_kv(emitter, "npageslabs_huge", emitter_type_size,
&npageslabs_huge);
@ -880,6 +884,50 @@ stats_arena_hpa_shard_print(emitter_t *emitter, unsigned i, uint64_t uptime) {
&ndirty_nonhuge);
emitter_json_object_end(emitter); /* End "full_slabs" */
/* Next, empty slab stats. */
CTL_M2_GET("stats.arenas.0.hpa_shard.empty_slabs.npageslabs_huge",
i, &npageslabs_huge, size_t);
CTL_M2_GET("stats.arenas.0.hpa_shard.empty_slabs.nactive_huge",
i, &nactive_huge, size_t);
CTL_M2_GET("stats.arenas.0.hpa_shard.empty_slabs.ndirty_huge",
i, &ndirty_huge, size_t);
CTL_M2_GET("stats.arenas.0.hpa_shard.empty_slabs.npageslabs_nonhuge",
i, &npageslabs_nonhuge, size_t);
CTL_M2_GET("stats.arenas.0.hpa_shard.empty_slabs.nactive_nonhuge",
i, &nactive_nonhuge, size_t);
CTL_M2_GET("stats.arenas.0.hpa_shard.empty_slabs.ndirty_nonhuge",
i, &ndirty_nonhuge, size_t);
nretained_nonhuge = npageslabs_nonhuge * HUGEPAGE_PAGES
- nactive_nonhuge - ndirty_nonhuge;
emitter_table_printf(emitter,
" In empty slabs:\n"
" npageslabs: %zu huge, %zu nonhuge\n"
" nactive: %zu huge, %zu nonhuge \n"
" ndirty: %zu huge, %zu nonhuge \n"
" nretained: 0 huge, %zu nonhuge \n"
"\n",
npageslabs_huge, npageslabs_nonhuge,
nactive_huge, nactive_nonhuge,
ndirty_huge, ndirty_nonhuge,
nretained_nonhuge);
emitter_json_object_kv_begin(emitter, "empty_slabs");
emitter_json_kv(emitter, "npageslabs_huge", emitter_type_size,
&npageslabs_huge);
emitter_json_kv(emitter, "nactive_huge", emitter_type_size,
&nactive_huge);
emitter_json_kv(emitter, "nactive_huge", emitter_type_size,
&nactive_huge);
emitter_json_kv(emitter, "npageslabs_nonhuge", emitter_type_size,
&npageslabs_nonhuge);
emitter_json_kv(emitter, "nactive_nonhuge", emitter_type_size,
&nactive_nonhuge);
emitter_json_kv(emitter, "ndirty_nonhuge", emitter_type_size,
&ndirty_nonhuge);
emitter_json_object_end(emitter); /* End "empty_slabs" */
COL_HDR(row, size, NULL, right, 20, size)
COL_HDR(row, ind, NULL, right, 4, unsigned)
COL_HDR(row, npageslabs_huge, NULL, right, 16, size)