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HPA: Add stats for the hpa_shard.

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This commit is contained in:
David Goldblatt
2020-09-04 12:01:52 -07:00
committed by David Goldblatt
parent 534504d4a7
commit 1964b08394
12 changed files with 230 additions and 16 deletions
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106
src/stats.c
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@@ -43,6 +43,16 @@ const char *arena_mutex_names[mutex_prof_num_arena_mutexes] = {
xmallctlbymib(mib, miblen, (void *)v, &sz, NULL, 0); \
} while (0)
#define CTL_M2_M5_GET(n, i, j, v, t) do { \
size_t mib[CTL_MAX_DEPTH]; \
size_t miblen = sizeof(mib) / sizeof(size_t); \
size_t sz = sizeof(t); \
xmallctlnametomib(n, mib, &miblen); \
mib[2] = (i); \
mib[5] = (j); \
xmallctlbymib(mib, miblen, (void *)v, &sz, NULL, 0); \
} while (0)
/******************************************************************************/
/* Data. */
@@ -650,6 +660,87 @@ stats_arena_extents_print(emitter_t *emitter, unsigned i) {
}
}
static void
stats_arena_hpa_shard_print(emitter_t *emitter, unsigned i) {
emitter_row_t header_row;
emitter_row_init(&header_row);
emitter_row_t row;
emitter_row_init(&row);
size_t npageslabs;
size_t nactive;
size_t ninactive;
CTL_M2_GET("stats.arenas.0.hpa_shard.full_slabs.npageslabs",
i, &npageslabs, size_t);
CTL_M2_GET("stats.arenas.0.hpa_shard.full_slabs.nactive",
i, &nactive, size_t);
CTL_M2_GET("stats.arenas.0.hpa_shard.full_slabs.ninactive",
i, &ninactive, size_t);
emitter_table_printf(emitter,
"HPA shard stats:\n"
" In full slabs:\n"
" npageslabs: %zu\n"
" nactive: %zu\n"
" ninactive: %zu\n",
npageslabs, nactive, ninactive);
emitter_json_object_kv_begin(emitter, "hpa_shard");
emitter_json_object_kv_begin(emitter, "full_slabs");
emitter_json_kv(emitter, "npageslabs", emitter_type_size, &npageslabs);
emitter_json_kv(emitter, "nactive", emitter_type_size, &nactive);
emitter_json_kv(emitter, "ninactive", emitter_type_size, &ninactive);
emitter_json_object_end(emitter); /* End "full_slabs" */
COL_HDR(row, size, NULL, right, 20, size)
COL_HDR(row, ind, NULL, right, 4, unsigned)
COL_HDR(row, npageslabs, NULL, right, 13, size)
COL_HDR(row, nactive, NULL, right, 13, size)
COL_HDR(row, ninactive, NULL, right, 13, size)
emitter_table_row(emitter, &header_row);
emitter_json_array_kv_begin(emitter, "nonfull_slabs");
bool in_gap = false;
for (pszind_t j = 0; j < PSSET_NPSIZES; j++) {
CTL_M2_M5_GET(
"stats.arenas.0.hpa_shard.nonfull_slabs.0.npageslabs",
i, j, &npageslabs, size_t);
CTL_M2_M5_GET(
"stats.arenas.0.hpa_shard.nonfull_slabs.0.nactive",
i, j, &nactive, size_t);
CTL_M2_M5_GET(
"stats.arenas.0.hpa_shard.nonfull_slabs.0.ninactive",
i, j, &ninactive, size_t);
bool in_gap_prev = in_gap;
in_gap = (npageslabs == 0);
if (in_gap_prev && !in_gap) {
emitter_table_printf(emitter,
" ---\n");
}
col_size.size_val = sz_pind2sz(j);
col_ind.size_val = j;
col_npageslabs.size_val = npageslabs;
col_nactive.size_val = nactive;
col_ninactive.size_val = ninactive;
if (!in_gap) {
emitter_table_row(emitter, &row);
}
emitter_json_object_begin(emitter);
emitter_json_kv(emitter, "npageslabs", emitter_type_size,
&npageslabs);
emitter_json_kv(emitter, "nactive", emitter_type_size,
&nactive);
emitter_json_kv(emitter, "ninactive", emitter_type_size,
&ninactive);
emitter_json_object_end(emitter);
}
emitter_json_array_end(emitter); /* End "nonfull_slabs" */
emitter_json_object_end(emitter); /* End "hpa_shard" */
}
static void
stats_arena_mutexes_print(emitter_t *emitter, unsigned arena_ind, uint64_t uptime) {
emitter_row_t row;
@@ -677,7 +768,7 @@ stats_arena_mutexes_print(emitter_t *emitter, unsigned arena_ind, uint64_t uptim
static void
stats_arena_print(emitter_t *emitter, unsigned i, bool bins, bool large,
bool mutex, bool extents) {
bool mutex, bool extents, bool hpa) {
unsigned nthreads;
const char *dss;
ssize_t dirty_decay_ms, muzzy_decay_ms;
@@ -997,6 +1088,9 @@ stats_arena_print(emitter_t *emitter, unsigned i, bool bins, bool large,
if (extents) {
stats_arena_extents_print(emitter, i);
}
if (hpa) {
stats_arena_hpa_shard_print(emitter, i);
}
}
static void
@@ -1272,7 +1366,7 @@ stats_general_print(emitter_t *emitter) {
static void
stats_print_helper(emitter_t *emitter, bool merged, bool destroyed,
bool unmerged, bool bins, bool large, bool mutex, bool extents) {
bool unmerged, bool bins, bool large, bool mutex, bool extents, bool hpa) {
/*
* These should be deleted. We keep them around for a while, to aid in
* the transition to the emitter code.
@@ -1405,7 +1499,7 @@ stats_print_helper(emitter_t *emitter, bool merged, bool destroyed,
emitter_table_printf(emitter, "Merged arenas stats:\n");
emitter_json_object_kv_begin(emitter, "merged");
stats_arena_print(emitter, MALLCTL_ARENAS_ALL, bins,
large, mutex, extents);
large, mutex, extents, hpa);
emitter_json_object_end(emitter); /* Close "merged". */
}
@@ -1416,7 +1510,7 @@ stats_print_helper(emitter_t *emitter, bool merged, bool destroyed,
"Destroyed arenas stats:\n");
emitter_json_object_kv_begin(emitter, "destroyed");
stats_arena_print(emitter, MALLCTL_ARENAS_DESTROYED,
bins, large, mutex, extents);
bins, large, mutex, extents, hpa);
emitter_json_object_end(emitter); /* Close "destroyed". */
}
@@ -1432,7 +1526,7 @@ stats_print_helper(emitter_t *emitter, bool merged, bool destroyed,
emitter_table_printf(emitter,
"arenas[%s]:\n", arena_ind_str);
stats_arena_print(emitter, i, bins,
large, mutex, extents);
large, mutex, extents, hpa);
/* Close "<arena-ind>". */
emitter_json_object_end(emitter);
}
@@ -1497,7 +1591,7 @@ stats_print(write_cb_t *write_cb, void *cbopaque, const char *opts) {
}
if (config_stats) {
stats_print_helper(&emitter, merged, destroyed, unmerged,
bins, large, mutex, extents);
bins, large, mutex, extents, hpa);
}
emitter_json_object_end(&emitter); /* Closes the "jemalloc" dict. */