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HPA: Add purge stats.

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This commit is contained in:
David Goldblatt
2020-12-03 16:09:50 -08:00
committed by David Goldblatt
parent 746ea3de6f
commit b25ee5d88e
4 changed files with 97 additions and 7 deletions
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36
src/stats.c
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@@ -791,6 +791,21 @@ stats_arena_hpa_shard_print(emitter_t *emitter, unsigned i, uint64_t uptime) {
emitter_row_init(&row);
uint64_t nevictions;
uint64_t npurge_passes;
uint64_t npurges;
uint64_t nhugifies;
uint64_t ndehugifies;
CTL_M2_GET("stats.arenas.0.hpa_shard.nevictions",
i, &nevictions, uint64_t);
CTL_M2_GET("stats.arenas.0.hpa_shard.npurge_passes",
i, &npurge_passes, uint64_t);
CTL_M2_GET("stats.arenas.0.hpa_shard.npurges",
i, &npurges, uint64_t);
CTL_M2_GET("stats.arenas.0.hpa_shard.nhugifies",
i, &nhugifies, uint64_t);
CTL_M2_GET("stats.arenas.0.hpa_shard.ndehugifies",
i, &ndehugifies, uint64_t);
size_t npageslabs_huge;
size_t nactive_huge;
@@ -800,9 +815,6 @@ stats_arena_hpa_shard_print(emitter_t *emitter, unsigned i, uint64_t uptime) {
size_t nactive_nonhuge;
size_t ninactive_nonhuge;
CTL_M2_GET("stats.arenas.0.hpa_shard.nevictions",
i, &nevictions, uint64_t);
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",
@@ -825,17 +837,35 @@ stats_arena_hpa_shard_print(emitter_t *emitter, unsigned i, uint64_t uptime) {
emitter_table_printf(emitter,
"HPA shard stats:\n"
" Evictions: %" FMTu64 " (%" FMTu64 " / sec)\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"
" ninactive: %zu huge, %zu nonhuge \n",
nevictions, rate_per_second(nevictions, uptime),
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,
ninactive_huge, ninactive_nonhuge);
emitter_json_object_kv_begin(emitter, "hpa_shard");
emitter_json_kv(emitter, "nevictions", emitter_type_uint64,
&nevictions);
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);