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HPA: Add an nevictions counter.

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I.e. the number of times we've purged a hugepage-sized region.
This commit is contained in:
David Goldblatt 2020-11-30 19:06:50 -08:00 • committed by David Goldblatt
parent fffcefed33
commit 3ed0b4e8a3
4 changed files with 39 additions and 10 deletions
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7
src/ctl.c
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@ -220,6 +220,7 @@ CTL_PROTO(stats_arenas_i_extents_j_dirty_bytes)
CTL_PROTO(stats_arenas_i_extents_j_muzzy_bytes)
CTL_PROTO(stats_arenas_i_extents_j_retained_bytes)
INDEX_PROTO(stats_arenas_i_extents_j)
CTL_PROTO(stats_arenas_i_hpa_shard_nevictions)
CTL_PROTO(stats_arenas_i_hpa_shard_full_slabs_npageslabs_huge)
CTL_PROTO(stats_arenas_i_hpa_shard_full_slabs_nactive_huge)
CTL_PROTO(stats_arenas_i_hpa_shard_full_slabs_ninactive_huge)
@ -655,7 +656,8 @@ static const ctl_named_node_t stats_arenas_i_hpa_shard_node[] = {
{NAME("full_slabs"), CHILD(named,
stats_arenas_i_hpa_shard_full_slabs)},
{NAME("nonfull_slabs"), CHILD(indexed,
stats_arenas_i_hpa_shard_nonfull_slabs)}
stats_arenas_i_hpa_shard_nonfull_slabs)},
{NAME("nevictions"), CTL(stats_arenas_i_hpa_shard_nevictions)}
};
static const ctl_named_node_t stats_arenas_i_node[] = {
@ -3372,6 +3374,9 @@ stats_arenas_i_extents_j_index(tsdn_t *tsdn, const size_t *mib,
return super_stats_arenas_i_extents_j_node;
}
CTL_RO_CGEN(config_stats, stats_arenas_i_hpa_shard_nevictions,
arenas_i(mib[2])->astats->hpastats.nevictions, uint64_t);
/* Full, huge */
CTL_RO_CGEN(config_stats, stats_arenas_i_hpa_shard_full_slabs_npageslabs_huge,
arenas_i(mib[2])->astats->hpastats.psset_stats.full_slabs.npageslabs_huge,