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Add nonfull_slabs to bin_stats_t.

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When config_stats is enabled track the size of bin->slabs_nonfull in
the new nonfull_slabs counter in bin_stats_t. This metric should be
useful for establishing an upper ceiling on the savings possible by
meshing.
This commit is contained in:
Doron Roberts-Kedes 2019-04-12 07:08:50 -04:00 • committed by Qi Wang
parent ae124b8684
commit 7fc4f2a32c
7 changed files with 42 additions and 1 deletions
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7
src/ctl.c
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@ -169,6 +169,7 @@ CTL_PROTO(stats_arenas_i_bins_j_nflushes)
CTL_PROTO(stats_arenas_i_bins_j_nslabs)
CTL_PROTO(stats_arenas_i_bins_j_nreslabs)
CTL_PROTO(stats_arenas_i_bins_j_curslabs)
CTL_PROTO(stats_arenas_i_bins_j_nonfull_slabs)
INDEX_PROTO(stats_arenas_i_bins_j)
CTL_PROTO(stats_arenas_i_lextents_j_nmalloc)
CTL_PROTO(stats_arenas_i_lextents_j_ndalloc)
@ -454,6 +455,7 @@ static const ctl_named_node_t stats_arenas_i_bins_j_node[] = {
{NAME("nslabs"), CTL(stats_arenas_i_bins_j_nslabs)},
{NAME("nreslabs"), CTL(stats_arenas_i_bins_j_nreslabs)},
{NAME("curslabs"), CTL(stats_arenas_i_bins_j_curslabs)},
{NAME("nonfull_slabs"), CTL(stats_arenas_i_bins_j_nonfull_slabs)},
{NAME("mutex"), CHILD(named, stats_arenas_i_bins_j_mutex)}
};
@ -907,8 +909,11 @@ MUTEX_PROF_ARENA_MUTEXES
if (!destroyed) {
sdstats->bstats[i].curslabs +=
astats->bstats[i].curslabs;
sdstats->bstats[i].nonfull_slabs +=
astats->bstats[i].nonfull_slabs;
} else {
assert(astats->bstats[i].curslabs == 0);
assert(astats->bstats[i].nonfull_slabs == 0);
}
malloc_mutex_prof_merge(&sdstats->bstats[i].mutex_data,
&astats->bstats[i].mutex_data);
@ -2966,6 +2971,8 @@ CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_nreslabs,
arenas_i(mib[2])->astats->bstats[mib[4]].reslabs, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_curslabs,
arenas_i(mib[2])->astats->bstats[mib[4]].curslabs, size_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_nonfull_slabs,
arenas_i(mib[2])->astats->bstats[mib[4]].nonfull_slabs, size_t)
static const ctl_named_node_t *
stats_arenas_i_bins_j_index(tsdn_t *tsdn, const size_t *mib,