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Add stats for metadata_thp.

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Report number of THPs used in arena and aggregated stats.
This commit is contained in:
Qi Wang
2017-08-25 13:24:49 -07:00
committed by Qi Wang
parent 47b20bb654
commit e55c3ca267
10 changed files with 125 additions and 21 deletions
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22
src/stats.c
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@@ -401,7 +401,7 @@ stats_arena_print(void (*write_cb)(void *, const char *), void *cbopaque,
const char *dss;
ssize_t dirty_decay_ms, muzzy_decay_ms;
size_t page, pactive, pdirty, pmuzzy, mapped, retained;
size_t base, internal, resident;
size_t base, internal, resident, metadata_thp;
uint64_t dirty_npurge, dirty_nmadvise, dirty_purged;
uint64_t muzzy_npurge, muzzy_nmadvise, muzzy_purged;
size_t small_allocated;
@@ -613,6 +613,15 @@ stats_arena_print(void (*write_cb)(void *, const char *), void *cbopaque,
"internal: %12zu\n", internal);
}
CTL_M2_GET("stats.arenas.0.metadata_thp", i, &metadata_thp, size_t);
if (json) {
malloc_cprintf(write_cb, cbopaque,
"\t\t\t\t\"metadata_thp\": %zu,\n", metadata_thp);
} else {
malloc_cprintf(write_cb, cbopaque,
"metadata_thp: %12zu\n", metadata_thp);
}
CTL_M2_GET("stats.arenas.0.tcache_bytes", i, &tcache_bytes, size_t);
if (json) {
malloc_cprintf(write_cb, cbopaque,
@@ -1007,13 +1016,15 @@ static void
stats_print_helper(void (*write_cb)(void *, const char *), void *cbopaque,
bool json, bool merged, bool destroyed, bool unmerged, bool bins,
bool large, bool mutex) {
size_t allocated, active, metadata, resident, mapped, retained;
size_t allocated, active, metadata, metadata_thp, resident, mapped,
retained;
size_t num_background_threads;
uint64_t background_thread_num_runs, background_thread_run_interval;
CTL_GET("stats.allocated", &allocated, size_t);
CTL_GET("stats.active", &active, size_t);
CTL_GET("stats.metadata", &metadata, size_t);
CTL_GET("stats.metadata_thp", &metadata_thp, size_t);
CTL_GET("stats.resident", &resident, size_t);
CTL_GET("stats.mapped", &mapped, size_t);
CTL_GET("stats.retained", &retained, size_t);
@@ -1046,6 +1057,8 @@ stats_print_helper(void (*write_cb)(void *, const char *), void *cbopaque,
"\t\t\t\"active\": %zu,\n", active);
malloc_cprintf(write_cb, cbopaque,
"\t\t\t\"metadata\": %zu,\n", metadata);
malloc_cprintf(write_cb, cbopaque,
"\t\t\t\"metadata_thp\": %zu,\n", metadata_thp);
malloc_cprintf(write_cb, cbopaque,
"\t\t\t\"resident\": %zu,\n", resident);
malloc_cprintf(write_cb, cbopaque,
@@ -1082,9 +1095,10 @@ stats_print_helper(void (*write_cb)(void *, const char *), void *cbopaque,
"\t\t}%s\n", (merged || unmerged || destroyed) ? "," : "");
} else {
malloc_cprintf(write_cb, cbopaque,
"Allocated: %zu, active: %zu, metadata: %zu,"
"Allocated: %zu, active: %zu, metadata: %zu (n_thp %zu),"
" resident: %zu, mapped: %zu, retained: %zu\n",
allocated, active, metadata, resident, mapped, retained);
allocated, active, metadata, metadata_thp, resident, mapped,
retained);
if (have_background_thread && num_background_threads > 0) {
malloc_cprintf(write_cb, cbopaque,