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Track nfills and nflushes for arenas.i.small / large.

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Small is added purely for convenience.  Large flushes wasn't tracked before and
can be useful in analysis.  Large fill simply reports nmalloc, since there is no
batch fill for large currently.
This commit is contained in:
Qi Wang
2019-05-06 16:36:55 -07:00
committed by Qi Wang
parent 13e88ae970
commit 07c44847c2
7 changed files with 139 additions and 15 deletions
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39
src/ctl.c
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@@ -156,10 +156,14 @@ CTL_PROTO(stats_arenas_i_small_allocated)
CTL_PROTO(stats_arenas_i_small_nmalloc)
CTL_PROTO(stats_arenas_i_small_ndalloc)
CTL_PROTO(stats_arenas_i_small_nrequests)
CTL_PROTO(stats_arenas_i_small_nfills)
CTL_PROTO(stats_arenas_i_small_nflushes)
CTL_PROTO(stats_arenas_i_large_allocated)
CTL_PROTO(stats_arenas_i_large_nmalloc)
CTL_PROTO(stats_arenas_i_large_ndalloc)
CTL_PROTO(stats_arenas_i_large_nrequests)
CTL_PROTO(stats_arenas_i_large_nfills)
CTL_PROTO(stats_arenas_i_large_nflushes)
CTL_PROTO(stats_arenas_i_bins_j_nmalloc)
CTL_PROTO(stats_arenas_i_bins_j_ndalloc)
CTL_PROTO(stats_arenas_i_bins_j_nrequests)
@@ -414,14 +418,18 @@ static const ctl_named_node_t stats_arenas_i_small_node[] = {
{NAME("allocated"), CTL(stats_arenas_i_small_allocated)},
{NAME("nmalloc"), CTL(stats_arenas_i_small_nmalloc)},
{NAME("ndalloc"), CTL(stats_arenas_i_small_ndalloc)},
{NAME("nrequests"), CTL(stats_arenas_i_small_nrequests)}
{NAME("nrequests"), CTL(stats_arenas_i_small_nrequests)},
{NAME("nfills"), CTL(stats_arenas_i_small_nfills)},
{NAME("nflushes"), CTL(stats_arenas_i_small_nflushes)}
};
static const ctl_named_node_t stats_arenas_i_large_node[] = {
{NAME("allocated"), CTL(stats_arenas_i_large_allocated)},
{NAME("nmalloc"), CTL(stats_arenas_i_large_nmalloc)},
{NAME("ndalloc"), CTL(stats_arenas_i_large_ndalloc)},
{NAME("nrequests"), CTL(stats_arenas_i_large_nrequests)}
{NAME("nrequests"), CTL(stats_arenas_i_large_nrequests)},
{NAME("nfills"), CTL(stats_arenas_i_large_nfills)},
{NAME("nflushes"), CTL(stats_arenas_i_large_nflushes)}
};
#define MUTEX_PROF_DATA_NODE(prefix) \
@@ -754,6 +762,8 @@ ctl_arena_clear(ctl_arena_t *ctl_arena) {
ctl_arena->astats->nmalloc_small = 0;
ctl_arena->astats->ndalloc_small = 0;
ctl_arena->astats->nrequests_small = 0;
ctl_arena->astats->nfills_small = 0;
ctl_arena->astats->nflushes_small = 0;
memset(ctl_arena->astats->bstats, 0, SC_NBINS *
sizeof(bin_stats_t));
memset(ctl_arena->astats->lstats, 0, (SC_NSIZES - SC_NBINS) *
@@ -785,6 +795,10 @@ ctl_arena_stats_amerge(tsdn_t *tsdn, ctl_arena_t *ctl_arena, arena_t *arena) {
ctl_arena->astats->bstats[i].ndalloc;
ctl_arena->astats->nrequests_small +=
ctl_arena->astats->bstats[i].nrequests;
ctl_arena->astats->nfills_small +=
ctl_arena->astats->bstats[i].nfills;
ctl_arena->astats->nflushes_small +=
ctl_arena->astats->bstats[i].nflushes;
}
} else {
arena_basic_stats_merge(tsdn, arena, &ctl_arena->nthreads,
@@ -867,6 +881,8 @@ MUTEX_PROF_ARENA_MUTEXES
sdstats->nmalloc_small += astats->nmalloc_small;
sdstats->ndalloc_small += astats->ndalloc_small;
sdstats->nrequests_small += astats->nrequests_small;
sdstats->nfills_small += astats->nfills_small;
sdstats->nflushes_small += astats->nflushes_small;
if (!destroyed) {
accum_atomic_zu(&sdstats->astats.allocated_large,
@@ -2847,6 +2863,10 @@ CTL_RO_CGEN(config_stats, stats_arenas_i_small_ndalloc,
arenas_i(mib[2])->astats->ndalloc_small, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_small_nrequests,
arenas_i(mib[2])->astats->nrequests_small, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_small_nfills,
arenas_i(mib[2])->astats->nfills_small, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_small_nflushes,
arenas_i(mib[2])->astats->nflushes_small, uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_large_allocated,
atomic_load_zu(&arenas_i(mib[2])->astats->astats.allocated_large,
ATOMIC_RELAXED), size_t)
@@ -2856,12 +2876,19 @@ CTL_RO_CGEN(config_stats, stats_arenas_i_large_nmalloc,
CTL_RO_CGEN(config_stats, stats_arenas_i_large_ndalloc,
ctl_arena_stats_read_u64(
&arenas_i(mib[2])->astats->astats.ndalloc_large), uint64_t)
/*
* Note: "nmalloc" here instead of "nrequests" in the read. This is intentional.
*/
CTL_RO_CGEN(config_stats, stats_arenas_i_large_nrequests,
ctl_arena_stats_read_u64(
&arenas_i(mib[2])->astats->astats.nmalloc_large), uint64_t) /* Intentional. */
&arenas_i(mib[2])->astats->astats.nrequests_large), uint64_t)
/*
* Note: "nmalloc_large" here instead of "nfills" in the read. This is
* intentional (large has no batch fill).
*/
CTL_RO_CGEN(config_stats, stats_arenas_i_large_nfills,
ctl_arena_stats_read_u64(
&arenas_i(mib[2])->astats->astats.nmalloc_large), uint64_t)
CTL_RO_CGEN(config_stats, stats_arenas_i_large_nflushes,
ctl_arena_stats_read_u64(
&arenas_i(mib[2])->astats->astats.nflushes_large), uint64_t)
/* Lock profiling related APIs below. */
#define RO_MUTEX_CTL_GEN(n, l) \