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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-14 13:40:54 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-14 13:40:54 +0000
commit317c0644ccf108aa23ef3fd8358bd66c2840bfc0 (patch)
treec417b3d25c86b775989cb5ac042f37611b626c8a /deps/jemalloc/src/stats.c
parentInitial commit. (diff)
downloadredis-317c0644ccf108aa23ef3fd8358bd66c2840bfc0.tar.xz
redis-317c0644ccf108aa23ef3fd8358bd66c2840bfc0.zip
Adding upstream version 5:7.2.4.upstream/5%7.2.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'deps/jemalloc/src/stats.c')
-rw-r--r--deps/jemalloc/src/stats.c1973
1 files changed, 1973 insertions, 0 deletions
diff --git a/deps/jemalloc/src/stats.c b/deps/jemalloc/src/stats.c
new file mode 100644
index 0000000..efc70fd
--- /dev/null
+++ b/deps/jemalloc/src/stats.c
@@ -0,0 +1,1973 @@
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
+
+#include "jemalloc/internal/assert.h"
+#include "jemalloc/internal/ctl.h"
+#include "jemalloc/internal/emitter.h"
+#include "jemalloc/internal/fxp.h"
+#include "jemalloc/internal/mutex.h"
+#include "jemalloc/internal/mutex_prof.h"
+#include "jemalloc/internal/prof_stats.h"
+
+const char *global_mutex_names[mutex_prof_num_global_mutexes] = {
+#define OP(mtx) #mtx,
+ MUTEX_PROF_GLOBAL_MUTEXES
+#undef OP
+};
+
+const char *arena_mutex_names[mutex_prof_num_arena_mutexes] = {
+#define OP(mtx) #mtx,
+ MUTEX_PROF_ARENA_MUTEXES
+#undef OP
+};
+
+#define CTL_GET(n, v, t) do { \
+ size_t sz = sizeof(t); \
+ xmallctl(n, (void *)v, &sz, NULL, 0); \
+} while (0)
+
+#define CTL_LEAF_PREPARE(mib, miblen, name) do { \
+ assert(miblen < CTL_MAX_DEPTH); \
+ size_t miblen_new = CTL_MAX_DEPTH; \
+ xmallctlmibnametomib(mib, miblen, name, &miblen_new); \
+ assert(miblen_new > miblen); \
+} while (0)
+
+#define CTL_LEAF(mib, miblen, leaf, v, t) do { \
+ assert(miblen < CTL_MAX_DEPTH); \
+ size_t miblen_new = CTL_MAX_DEPTH; \
+ size_t sz = sizeof(t); \
+ xmallctlbymibname(mib, miblen, leaf, &miblen_new, (void *)v, \
+ &sz, NULL, 0); \
+ assert(miblen_new == miblen + 1); \
+} while (0)
+
+#define CTL_M2_GET(n, i, 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); \
+ xmallctlbymib(mib, miblen, (void *)v, &sz, NULL, 0); \
+} while (0)
+
+/******************************************************************************/
+/* Data. */
+
+bool opt_stats_print = false;
+char opt_stats_print_opts[stats_print_tot_num_options+1] = "";
+
+int64_t opt_stats_interval = STATS_INTERVAL_DEFAULT;
+char opt_stats_interval_opts[stats_print_tot_num_options+1] = "";
+
+static counter_accum_t stats_interval_accumulated;
+/* Per thread batch accum size for stats_interval. */
+static uint64_t stats_interval_accum_batch;
+
+/******************************************************************************/
+
+static uint64_t
+rate_per_second(uint64_t value, uint64_t uptime_ns) {
+ uint64_t billion = 1000000000;
+ if (uptime_ns == 0 || value == 0) {
+ return 0;
+ }
+ if (uptime_ns < billion) {
+ return value;
+ } else {
+ uint64_t uptime_s = uptime_ns / billion;
+ return value / uptime_s;
+ }
+}
+
+/* Calculate x.yyy and output a string (takes a fixed sized char array). */
+static bool
+get_rate_str(uint64_t dividend, uint64_t divisor, char str[6]) {
+ if (divisor == 0 || dividend > divisor) {
+ /* The rate is not supposed to be greater than 1. */
+ return true;
+ }
+ if (dividend > 0) {
+ assert(UINT64_MAX / dividend >= 1000);
+ }
+
+ unsigned n = (unsigned)((dividend * 1000) / divisor);
+ if (n < 10) {
+ malloc_snprintf(str, 6, "0.00%u", n);
+ } else if (n < 100) {
+ malloc_snprintf(str, 6, "0.0%u", n);
+ } else if (n < 1000) {
+ malloc_snprintf(str, 6, "0.%u", n);
+ } else {
+ malloc_snprintf(str, 6, "1");
+ }
+
+ return false;
+}
+
+static void
+mutex_stats_init_cols(emitter_row_t *row, const char *table_name,
+ emitter_col_t *name,
+ emitter_col_t col_uint64_t[mutex_prof_num_uint64_t_counters],
+ emitter_col_t col_uint32_t[mutex_prof_num_uint32_t_counters]) {
+ mutex_prof_uint64_t_counter_ind_t k_uint64_t = 0;
+ mutex_prof_uint32_t_counter_ind_t k_uint32_t = 0;
+
+ emitter_col_t *col;
+
+ if (name != NULL) {
+ emitter_col_init(name, row);
+ name->justify = emitter_justify_left;
+ name->width = 21;
+ name->type = emitter_type_title;
+ name->str_val = table_name;
+ }
+
+#define WIDTH_uint32_t 12
+#define WIDTH_uint64_t 16
+#define OP(counter, counter_type, human, derived, base_counter) \
+ col = &col_##counter_type[k_##counter_type]; \
+ ++k_##counter_type; \
+ emitter_col_init(col, row); \
+ col->justify = emitter_justify_right; \
+ col->width = derived ? 8 : WIDTH_##counter_type; \
+ col->type = emitter_type_title; \
+ col->str_val = human;
+ MUTEX_PROF_COUNTERS
+#undef OP
+#undef WIDTH_uint32_t
+#undef WIDTH_uint64_t
+ col_uint64_t[mutex_counter_total_wait_time_ps].width = 10;
+}
+
+static void
+mutex_stats_read_global(size_t mib[], size_t miblen, const char *name,
+ emitter_col_t *col_name,
+ emitter_col_t col_uint64_t[mutex_prof_num_uint64_t_counters],
+ emitter_col_t col_uint32_t[mutex_prof_num_uint32_t_counters],
+ uint64_t uptime) {
+ CTL_LEAF_PREPARE(mib, miblen, name);
+ size_t miblen_name = miblen + 1;
+
+ col_name->str_val = name;
+
+ emitter_col_t *dst;
+#define EMITTER_TYPE_uint32_t emitter_type_uint32
+#define EMITTER_TYPE_uint64_t emitter_type_uint64
+#define OP(counter, counter_type, human, derived, base_counter) \
+ dst = &col_##counter_type[mutex_counter_##counter]; \
+ dst->type = EMITTER_TYPE_##counter_type; \
+ if (!derived) { \
+ CTL_LEAF(mib, miblen_name, #counter, \
+ (counter_type *)&dst->bool_val, counter_type); \
+ } else { \
+ emitter_col_t *base = \
+ &col_##counter_type[mutex_counter_##base_counter]; \
+ dst->counter_type##_val = \
+ (counter_type)rate_per_second( \
+ base->counter_type##_val, uptime); \
+ }
+ MUTEX_PROF_COUNTERS
+#undef OP
+#undef EMITTER_TYPE_uint32_t
+#undef EMITTER_TYPE_uint64_t
+}
+
+static void
+mutex_stats_read_arena(size_t mib[], size_t miblen, const char *name,
+ emitter_col_t *col_name,
+ emitter_col_t col_uint64_t[mutex_prof_num_uint64_t_counters],
+ emitter_col_t col_uint32_t[mutex_prof_num_uint32_t_counters],
+ uint64_t uptime) {
+ CTL_LEAF_PREPARE(mib, miblen, name);
+ size_t miblen_name = miblen + 1;
+
+ col_name->str_val = name;
+
+ emitter_col_t *dst;
+#define EMITTER_TYPE_uint32_t emitter_type_uint32
+#define EMITTER_TYPE_uint64_t emitter_type_uint64
+#define OP(counter, counter_type, human, derived, base_counter) \
+ dst = &col_##counter_type[mutex_counter_##counter]; \
+ dst->type = EMITTER_TYPE_##counter_type; \
+ if (!derived) { \
+ CTL_LEAF(mib, miblen_name, #counter, \
+ (counter_type *)&dst->bool_val, counter_type); \
+ } else { \
+ emitter_col_t *base = \
+ &col_##counter_type[mutex_counter_##base_counter]; \
+ dst->counter_type##_val = \
+ (counter_type)rate_per_second( \
+ base->counter_type##_val, uptime); \
+ }
+ MUTEX_PROF_COUNTERS
+#undef OP
+#undef EMITTER_TYPE_uint32_t
+#undef EMITTER_TYPE_uint64_t
+}
+
+static void
+mutex_stats_read_arena_bin(size_t mib[], size_t miblen,
+ emitter_col_t col_uint64_t[mutex_prof_num_uint64_t_counters],
+ emitter_col_t col_uint32_t[mutex_prof_num_uint32_t_counters],
+ uint64_t uptime) {
+ CTL_LEAF_PREPARE(mib, miblen, "mutex");
+ size_t miblen_mutex = miblen + 1;
+
+ emitter_col_t *dst;
+
+#define EMITTER_TYPE_uint32_t emitter_type_uint32
+#define EMITTER_TYPE_uint64_t emitter_type_uint64
+#define OP(counter, counter_type, human, derived, base_counter) \
+ dst = &col_##counter_type[mutex_counter_##counter]; \
+ dst->type = EMITTER_TYPE_##counter_type; \
+ if (!derived) { \
+ CTL_LEAF(mib, miblen_mutex, #counter, \
+ (counter_type *)&dst->bool_val, counter_type); \
+ } else { \
+ emitter_col_t *base = \
+ &col_##counter_type[mutex_counter_##base_counter]; \
+ dst->counter_type##_val = \
+ (counter_type)rate_per_second( \
+ base->counter_type##_val, uptime); \
+ }
+ MUTEX_PROF_COUNTERS
+#undef OP
+#undef EMITTER_TYPE_uint32_t
+#undef EMITTER_TYPE_uint64_t
+}
+
+/* "row" can be NULL to avoid emitting in table mode. */
+static void
+mutex_stats_emit(emitter_t *emitter, emitter_row_t *row,
+ emitter_col_t col_uint64_t[mutex_prof_num_uint64_t_counters],
+ emitter_col_t col_uint32_t[mutex_prof_num_uint32_t_counters]) {
+ if (row != NULL) {
+ emitter_table_row(emitter, row);
+ }
+
+ mutex_prof_uint64_t_counter_ind_t k_uint64_t = 0;
+ mutex_prof_uint32_t_counter_ind_t k_uint32_t = 0;
+
+ emitter_col_t *col;
+
+#define EMITTER_TYPE_uint32_t emitter_type_uint32
+#define EMITTER_TYPE_uint64_t emitter_type_uint64
+#define OP(counter, type, human, derived, base_counter) \
+ if (!derived) { \
+ col = &col_##type[k_##type]; \
+ ++k_##type; \
+ emitter_json_kv(emitter, #counter, EMITTER_TYPE_##type, \
+ (const void *)&col->bool_val); \
+ }
+ MUTEX_PROF_COUNTERS;
+#undef OP
+#undef EMITTER_TYPE_uint32_t
+#undef EMITTER_TYPE_uint64_t
+}
+
+#define COL_DECLARE(column_name) \
+ emitter_col_t col_##column_name;
+
+#define COL_INIT(row_name, column_name, left_or_right, col_width, etype)\
+ emitter_col_init(&col_##column_name, &row_name); \
+ col_##column_name.justify = emitter_justify_##left_or_right; \
+ col_##column_name.width = col_width; \
+ col_##column_name.type = emitter_type_##etype;
+
+#define COL(row_name, column_name, left_or_right, col_width, etype) \
+ COL_DECLARE(column_name); \
+ COL_INIT(row_name, column_name, left_or_right, col_width, etype)
+
+#define COL_HDR_DECLARE(column_name) \
+ COL_DECLARE(column_name); \
+ emitter_col_t header_##column_name;
+
+#define COL_HDR_INIT(row_name, column_name, human, left_or_right, \
+ col_width, etype) \
+ COL_INIT(row_name, column_name, left_or_right, col_width, etype)\
+ emitter_col_init(&header_##column_name, &header_##row_name); \
+ header_##column_name.justify = emitter_justify_##left_or_right; \
+ header_##column_name.width = col_width; \
+ header_##column_name.type = emitter_type_title; \
+ header_##column_name.str_val = human ? human : #column_name;
+
+#define COL_HDR(row_name, column_name, human, left_or_right, col_width, \
+ etype) \
+ COL_HDR_DECLARE(column_name) \
+ COL_HDR_INIT(row_name, column_name, human, left_or_right, \
+ col_width, etype)
+
+JEMALLOC_COLD
+static void
+stats_arena_bins_print(emitter_t *emitter, bool mutex, unsigned i,
+ uint64_t uptime) {
+ size_t page;
+ bool in_gap, in_gap_prev;
+ unsigned nbins, j;
+
+ CTL_GET("arenas.page", &page, size_t);
+
+ CTL_GET("arenas.nbins", &nbins, unsigned);
+
+ emitter_row_t header_row;
+ emitter_row_init(&header_row);
+
+ emitter_row_t row;
+ emitter_row_init(&row);
+
+ bool prof_stats_on = config_prof && opt_prof && opt_prof_stats
+ && i == MALLCTL_ARENAS_ALL;
+
+ COL_HDR(row, size, NULL, right, 20, size)
+ COL_HDR(row, ind, NULL, right, 4, unsigned)
+ COL_HDR(row, allocated, NULL, right, 13, uint64)
+ COL_HDR(row, nmalloc, NULL, right, 13, uint64)
+ COL_HDR(row, nmalloc_ps, "(#/sec)", right, 8, uint64)
+ COL_HDR(row, ndalloc, NULL, right, 13, uint64)
+ COL_HDR(row, ndalloc_ps, "(#/sec)", right, 8, uint64)
+ COL_HDR(row, nrequests, NULL, right, 13, uint64)
+ COL_HDR(row, nrequests_ps, "(#/sec)", right, 10, uint64)
+ COL_HDR_DECLARE(prof_live_requested);
+ COL_HDR_DECLARE(prof_live_count);
+ COL_HDR_DECLARE(prof_accum_requested);
+ COL_HDR_DECLARE(prof_accum_count);
+ if (prof_stats_on) {
+ COL_HDR_INIT(row, prof_live_requested, NULL, right, 21, uint64)
+ COL_HDR_INIT(row, prof_live_count, NULL, right, 17, uint64)
+ COL_HDR_INIT(row, prof_accum_requested, NULL, right, 21, uint64)
+ COL_HDR_INIT(row, prof_accum_count, NULL, right, 17, uint64)
+ }
+ COL_HDR(row, nshards, NULL, right, 9, unsigned)
+ COL_HDR(row, curregs, NULL, right, 13, size)
+ COL_HDR(row, curslabs, NULL, right, 13, size)
+ COL_HDR(row, nonfull_slabs, NULL, right, 15, size)
+ COL_HDR(row, regs, NULL, right, 5, unsigned)
+ COL_HDR(row, pgs, NULL, right, 4, size)
+ /* To buffer a right- and left-justified column. */
+ COL_HDR(row, justify_spacer, NULL, right, 1, title)
+ COL_HDR(row, util, NULL, right, 6, title)
+ COL_HDR(row, nfills, NULL, right, 13, uint64)
+ COL_HDR(row, nfills_ps, "(#/sec)", right, 8, uint64)
+ COL_HDR(row, nflushes, NULL, right, 13, uint64)
+ COL_HDR(row, nflushes_ps, "(#/sec)", right, 8, uint64)
+ COL_HDR(row, nslabs, NULL, right, 13, uint64)
+ COL_HDR(row, nreslabs, NULL, right, 13, uint64)
+ COL_HDR(row, nreslabs_ps, "(#/sec)", right, 8, uint64)
+
+ /* Don't want to actually print the name. */
+ header_justify_spacer.str_val = " ";
+ col_justify_spacer.str_val = " ";
+
+ emitter_col_t col_mutex64[mutex_prof_num_uint64_t_counters];
+ emitter_col_t col_mutex32[mutex_prof_num_uint32_t_counters];
+
+ emitter_col_t header_mutex64[mutex_prof_num_uint64_t_counters];
+ emitter_col_t header_mutex32[mutex_prof_num_uint32_t_counters];
+
+ if (mutex) {
+ mutex_stats_init_cols(&row, NULL, NULL, col_mutex64,
+ col_mutex32);
+ mutex_stats_init_cols(&header_row, NULL, NULL, header_mutex64,
+ header_mutex32);
+ }
+
+ /*
+ * We print a "bins:" header as part of the table row; we need to adjust
+ * the header size column to compensate.
+ */
+ header_size.width -=5;
+ emitter_table_printf(emitter, "bins:");
+ emitter_table_row(emitter, &header_row);
+ emitter_json_array_kv_begin(emitter, "bins");
+
+ size_t stats_arenas_mib[CTL_MAX_DEPTH];
+ CTL_LEAF_PREPARE(stats_arenas_mib, 0, "stats.arenas");
+ stats_arenas_mib[2] = i;
+ CTL_LEAF_PREPARE(stats_arenas_mib, 3, "bins");
+
+ size_t arenas_bin_mib[CTL_MAX_DEPTH];
+ CTL_LEAF_PREPARE(arenas_bin_mib, 0, "arenas.bin");
+
+ size_t prof_stats_mib[CTL_MAX_DEPTH];
+ if (prof_stats_on) {
+ CTL_LEAF_PREPARE(prof_stats_mib, 0, "prof.stats.bins");
+ }
+
+ for (j = 0, in_gap = false; j < nbins; j++) {
+ uint64_t nslabs;
+ size_t reg_size, slab_size, curregs;
+ size_t curslabs;
+ size_t nonfull_slabs;
+ uint32_t nregs, nshards;
+ uint64_t nmalloc, ndalloc, nrequests, nfills, nflushes;
+ uint64_t nreslabs;
+ prof_stats_t prof_live;
+ prof_stats_t prof_accum;
+
+ stats_arenas_mib[4] = j;
+ arenas_bin_mib[2] = j;
+
+ CTL_LEAF(stats_arenas_mib, 5, "nslabs", &nslabs, uint64_t);
+
+ if (prof_stats_on) {
+ prof_stats_mib[3] = j;
+ CTL_LEAF(prof_stats_mib, 4, "live", &prof_live,
+ prof_stats_t);
+ CTL_LEAF(prof_stats_mib, 4, "accum", &prof_accum,
+ prof_stats_t);
+ }
+
+ in_gap_prev = in_gap;
+ if (prof_stats_on) {
+ in_gap = (nslabs == 0 && prof_accum.count == 0);
+ } else {
+ in_gap = (nslabs == 0);
+ }
+
+ if (in_gap_prev && !in_gap) {
+ emitter_table_printf(emitter,
+ " ---\n");
+ }
+
+ if (in_gap && !emitter_outputs_json(emitter)) {
+ continue;
+ }
+
+ CTL_LEAF(arenas_bin_mib, 3, "size", &reg_size, size_t);
+ CTL_LEAF(arenas_bin_mib, 3, "nregs", &nregs, uint32_t);
+ CTL_LEAF(arenas_bin_mib, 3, "slab_size", &slab_size, size_t);
+ CTL_LEAF(arenas_bin_mib, 3, "nshards", &nshards, uint32_t);
+ CTL_LEAF(stats_arenas_mib, 5, "nmalloc", &nmalloc, uint64_t);
+ CTL_LEAF(stats_arenas_mib, 5, "ndalloc", &ndalloc, uint64_t);
+ CTL_LEAF(stats_arenas_mib, 5, "curregs", &curregs, size_t);
+ CTL_LEAF(stats_arenas_mib, 5, "nrequests", &nrequests,
+ uint64_t);
+ CTL_LEAF(stats_arenas_mib, 5, "nfills", &nfills, uint64_t);
+ CTL_LEAF(stats_arenas_mib, 5, "nflushes", &nflushes, uint64_t);
+ CTL_LEAF(stats_arenas_mib, 5, "nreslabs", &nreslabs, uint64_t);
+ CTL_LEAF(stats_arenas_mib, 5, "curslabs", &curslabs, size_t);
+ CTL_LEAF(stats_arenas_mib, 5, "nonfull_slabs", &nonfull_slabs,
+ size_t);
+
+ if (mutex) {
+ mutex_stats_read_arena_bin(stats_arenas_mib, 5,
+ col_mutex64, col_mutex32, uptime);
+ }
+
+ emitter_json_object_begin(emitter);
+ emitter_json_kv(emitter, "nmalloc", emitter_type_uint64,
+ &nmalloc);
+ emitter_json_kv(emitter, "ndalloc", emitter_type_uint64,
+ &ndalloc);
+ emitter_json_kv(emitter, "curregs", emitter_type_size,
+ &curregs);
+ emitter_json_kv(emitter, "nrequests", emitter_type_uint64,
+ &nrequests);
+ if (prof_stats_on) {
+ emitter_json_kv(emitter, "prof_live_requested",
+ emitter_type_uint64, &prof_live.req_sum);
+ emitter_json_kv(emitter, "prof_live_count",
+ emitter_type_uint64, &prof_live.count);
+ emitter_json_kv(emitter, "prof_accum_requested",
+ emitter_type_uint64, &prof_accum.req_sum);
+ emitter_json_kv(emitter, "prof_accum_count",
+ emitter_type_uint64, &prof_accum.count);
+ }
+ emitter_json_kv(emitter, "nfills", emitter_type_uint64,
+ &nfills);
+ emitter_json_kv(emitter, "nflushes", emitter_type_uint64,
+ &nflushes);
+ emitter_json_kv(emitter, "nreslabs", emitter_type_uint64,
+ &nreslabs);
+ emitter_json_kv(emitter, "curslabs", emitter_type_size,
+ &curslabs);
+ emitter_json_kv(emitter, "nonfull_slabs", emitter_type_size,
+ &nonfull_slabs);
+ if (mutex) {
+ emitter_json_object_kv_begin(emitter, "mutex");
+ mutex_stats_emit(emitter, NULL, col_mutex64,
+ col_mutex32);
+ emitter_json_object_end(emitter);
+ }
+ emitter_json_object_end(emitter);
+
+ size_t availregs = nregs * curslabs;
+ char util[6];
+ if (get_rate_str((uint64_t)curregs, (uint64_t)availregs, util))
+ {
+ if (availregs == 0) {
+ malloc_snprintf(util, sizeof(util), "1");
+ } else if (curregs > availregs) {
+ /*
+ * Race detected: the counters were read in
+ * separate mallctl calls and concurrent
+ * operations happened in between. In this case
+ * no meaningful utilization can be computed.
+ */
+ malloc_snprintf(util, sizeof(util), " race");
+ } else {
+ not_reached();
+ }
+ }
+
+ col_size.size_val = reg_size;
+ col_ind.unsigned_val = j;
+ col_allocated.size_val = curregs * reg_size;
+ col_nmalloc.uint64_val = nmalloc;
+ col_nmalloc_ps.uint64_val = rate_per_second(nmalloc, uptime);
+ col_ndalloc.uint64_val = ndalloc;
+ col_ndalloc_ps.uint64_val = rate_per_second(ndalloc, uptime);
+ col_nrequests.uint64_val = nrequests;
+ col_nrequests_ps.uint64_val = rate_per_second(nrequests, uptime);
+ if (prof_stats_on) {
+ col_prof_live_requested.uint64_val = prof_live.req_sum;
+ col_prof_live_count.uint64_val = prof_live.count;
+ col_prof_accum_requested.uint64_val =
+ prof_accum.req_sum;
+ col_prof_accum_count.uint64_val = prof_accum.count;
+ }
+ col_nshards.unsigned_val = nshards;
+ col_curregs.size_val = curregs;
+ col_curslabs.size_val = curslabs;
+ col_nonfull_slabs.size_val = nonfull_slabs;
+ col_regs.unsigned_val = nregs;
+ col_pgs.size_val = slab_size / page;
+ col_util.str_val = util;
+ col_nfills.uint64_val = nfills;
+ col_nfills_ps.uint64_val = rate_per_second(nfills, uptime);
+ col_nflushes.uint64_val = nflushes;
+ col_nflushes_ps.uint64_val = rate_per_second(nflushes, uptime);
+ col_nslabs.uint64_val = nslabs;
+ col_nreslabs.uint64_val = nreslabs;
+ col_nreslabs_ps.uint64_val = rate_per_second(nreslabs, uptime);
+
+ /*
+ * Note that mutex columns were initialized above, if mutex ==
+ * true.
+ */
+
+ emitter_table_row(emitter, &row);
+ }
+ emitter_json_array_end(emitter); /* Close "bins". */
+
+ if (in_gap) {
+ emitter_table_printf(emitter, " ---\n");
+ }
+}
+
+JEMALLOC_COLD
+static void
+stats_arena_lextents_print(emitter_t *emitter, unsigned i, uint64_t uptime) {
+ unsigned nbins, nlextents, j;
+ bool in_gap, in_gap_prev;
+
+ CTL_GET("arenas.nbins", &nbins, unsigned);
+ CTL_GET("arenas.nlextents", &nlextents, unsigned);
+
+ emitter_row_t header_row;
+ emitter_row_init(&header_row);
+ emitter_row_t row;
+ emitter_row_init(&row);
+
+ bool prof_stats_on = config_prof && opt_prof && opt_prof_stats
+ && i == MALLCTL_ARENAS_ALL;
+
+ COL_HDR(row, size, NULL, right, 20, size)
+ COL_HDR(row, ind, NULL, right, 4, unsigned)
+ COL_HDR(row, allocated, NULL, right, 13, size)
+ COL_HDR(row, nmalloc, NULL, right, 13, uint64)
+ COL_HDR(row, nmalloc_ps, "(#/sec)", right, 8, uint64)
+ COL_HDR(row, ndalloc, NULL, right, 13, uint64)
+ COL_HDR(row, ndalloc_ps, "(#/sec)", right, 8, uint64)
+ COL_HDR(row, nrequests, NULL, right, 13, uint64)
+ COL_HDR(row, nrequests_ps, "(#/sec)", right, 8, uint64)
+ COL_HDR_DECLARE(prof_live_requested)
+ COL_HDR_DECLARE(prof_live_count)
+ COL_HDR_DECLARE(prof_accum_requested)
+ COL_HDR_DECLARE(prof_accum_count)
+ if (prof_stats_on) {
+ COL_HDR_INIT(row, prof_live_requested, NULL, right, 21, uint64)
+ COL_HDR_INIT(row, prof_live_count, NULL, right, 17, uint64)
+ COL_HDR_INIT(row, prof_accum_requested, NULL, right, 21, uint64)
+ COL_HDR_INIT(row, prof_accum_count, NULL, right, 17, uint64)
+ }
+ COL_HDR(row, curlextents, NULL, right, 13, size)
+
+ /* As with bins, we label the large extents table. */
+ header_size.width -= 6;
+ emitter_table_printf(emitter, "large:");
+ emitter_table_row(emitter, &header_row);
+ emitter_json_array_kv_begin(emitter, "lextents");
+
+ size_t stats_arenas_mib[CTL_MAX_DEPTH];
+ CTL_LEAF_PREPARE(stats_arenas_mib, 0, "stats.arenas");
+ stats_arenas_mib[2] = i;
+ CTL_LEAF_PREPARE(stats_arenas_mib, 3, "lextents");
+
+ size_t arenas_lextent_mib[CTL_MAX_DEPTH];
+ CTL_LEAF_PREPARE(arenas_lextent_mib, 0, "arenas.lextent");
+
+ size_t prof_stats_mib[CTL_MAX_DEPTH];
+ if (prof_stats_on) {
+ CTL_LEAF_PREPARE(prof_stats_mib, 0, "prof.stats.lextents");
+ }
+
+ for (j = 0, in_gap = false; j < nlextents; j++) {
+ uint64_t nmalloc, ndalloc, nrequests;
+ size_t lextent_size, curlextents;
+ prof_stats_t prof_live;
+ prof_stats_t prof_accum;
+
+ stats_arenas_mib[4] = j;
+ arenas_lextent_mib[2] = j;
+
+ CTL_LEAF(stats_arenas_mib, 5, "nmalloc", &nmalloc, uint64_t);
+ CTL_LEAF(stats_arenas_mib, 5, "ndalloc", &ndalloc, uint64_t);
+ CTL_LEAF(stats_arenas_mib, 5, "nrequests", &nrequests,
+ uint64_t);
+
+ in_gap_prev = in_gap;
+ in_gap = (nrequests == 0);
+
+ if (in_gap_prev && !in_gap) {
+ emitter_table_printf(emitter,
+ " ---\n");
+ }
+
+ CTL_LEAF(arenas_lextent_mib, 3, "size", &lextent_size, size_t);
+ CTL_LEAF(stats_arenas_mib, 5, "curlextents", &curlextents,
+ size_t);
+
+ if (prof_stats_on) {
+ prof_stats_mib[3] = j;
+ CTL_LEAF(prof_stats_mib, 4, "live", &prof_live,
+ prof_stats_t);
+ CTL_LEAF(prof_stats_mib, 4, "accum", &prof_accum,
+ prof_stats_t);
+ }
+
+ emitter_json_object_begin(emitter);
+ if (prof_stats_on) {
+ emitter_json_kv(emitter, "prof_live_requested",
+ emitter_type_uint64, &prof_live.req_sum);
+ emitter_json_kv(emitter, "prof_live_count",
+ emitter_type_uint64, &prof_live.count);
+ emitter_json_kv(emitter, "prof_accum_requested",
+ emitter_type_uint64, &prof_accum.req_sum);
+ emitter_json_kv(emitter, "prof_accum_count",
+ emitter_type_uint64, &prof_accum.count);
+ }
+ emitter_json_kv(emitter, "curlextents", emitter_type_size,
+ &curlextents);
+ emitter_json_object_end(emitter);
+
+ col_size.size_val = lextent_size;
+ col_ind.unsigned_val = nbins + j;
+ col_allocated.size_val = curlextents * lextent_size;
+ col_nmalloc.uint64_val = nmalloc;
+ col_nmalloc_ps.uint64_val = rate_per_second(nmalloc, uptime);
+ col_ndalloc.uint64_val = ndalloc;
+ col_ndalloc_ps.uint64_val = rate_per_second(ndalloc, uptime);
+ col_nrequests.uint64_val = nrequests;
+ col_nrequests_ps.uint64_val = rate_per_second(nrequests, uptime);
+ if (prof_stats_on) {
+ col_prof_live_requested.uint64_val = prof_live.req_sum;
+ col_prof_live_count.uint64_val = prof_live.count;
+ col_prof_accum_requested.uint64_val =
+ prof_accum.req_sum;
+ col_prof_accum_count.uint64_val = prof_accum.count;
+ }
+ col_curlextents.size_val = curlextents;
+
+ if (!in_gap) {
+ emitter_table_row(emitter, &row);
+ }
+ }
+ emitter_json_array_end(emitter); /* Close "lextents". */
+ if (in_gap) {
+ emitter_table_printf(emitter, " ---\n");
+ }
+}
+
+JEMALLOC_COLD
+static void
+stats_arena_extents_print(emitter_t *emitter, unsigned i) {
+ unsigned j;
+ bool in_gap, in_gap_prev;
+ emitter_row_t header_row;
+ emitter_row_init(&header_row);
+ emitter_row_t row;
+ emitter_row_init(&row);
+
+ COL_HDR(row, size, NULL, right, 20, size)
+ COL_HDR(row, ind, NULL, right, 4, unsigned)
+ COL_HDR(row, ndirty, NULL, right, 13, size)
+ COL_HDR(row, dirty, NULL, right, 13, size)
+ COL_HDR(row, nmuzzy, NULL, right, 13, size)
+ COL_HDR(row, muzzy, NULL, right, 13, size)
+ COL_HDR(row, nretained, NULL, right, 13, size)
+ COL_HDR(row, retained, NULL, right, 13, size)
+ COL_HDR(row, ntotal, NULL, right, 13, size)
+ COL_HDR(row, total, NULL, right, 13, size)
+
+ /* Label this section. */
+ header_size.width -= 8;
+ emitter_table_printf(emitter, "extents:");
+ emitter_table_row(emitter, &header_row);
+ emitter_json_array_kv_begin(emitter, "extents");
+
+ size_t stats_arenas_mib[CTL_MAX_DEPTH];
+ CTL_LEAF_PREPARE(stats_arenas_mib, 0, "stats.arenas");
+ stats_arenas_mib[2] = i;
+ CTL_LEAF_PREPARE(stats_arenas_mib, 3, "extents");
+
+ in_gap = false;
+ for (j = 0; j < SC_NPSIZES; j++) {
+ size_t ndirty, nmuzzy, nretained, total, dirty_bytes,
+ muzzy_bytes, retained_bytes, total_bytes;
+ stats_arenas_mib[4] = j;
+
+ CTL_LEAF(stats_arenas_mib, 5, "ndirty", &ndirty, size_t);
+ CTL_LEAF(stats_arenas_mib, 5, "nmuzzy", &nmuzzy, size_t);
+ CTL_LEAF(stats_arenas_mib, 5, "nretained", &nretained, size_t);
+ CTL_LEAF(stats_arenas_mib, 5, "dirty_bytes", &dirty_bytes,
+ size_t);
+ CTL_LEAF(stats_arenas_mib, 5, "muzzy_bytes", &muzzy_bytes,
+ size_t);
+ CTL_LEAF(stats_arenas_mib, 5, "retained_bytes",
+ &retained_bytes, size_t);
+
+ total = ndirty + nmuzzy + nretained;
+ total_bytes = dirty_bytes + muzzy_bytes + retained_bytes;
+
+ in_gap_prev = in_gap;
+ in_gap = (total == 0);
+
+ if (in_gap_prev && !in_gap) {
+ emitter_table_printf(emitter,
+ " ---\n");
+ }
+
+ emitter_json_object_begin(emitter);
+ emitter_json_kv(emitter, "ndirty", emitter_type_size, &ndirty);
+ emitter_json_kv(emitter, "nmuzzy", emitter_type_size, &nmuzzy);
+ emitter_json_kv(emitter, "nretained", emitter_type_size,
+ &nretained);
+
+ emitter_json_kv(emitter, "dirty_bytes", emitter_type_size,
+ &dirty_bytes);
+ emitter_json_kv(emitter, "muzzy_bytes", emitter_type_size,
+ &muzzy_bytes);
+ emitter_json_kv(emitter, "retained_bytes", emitter_type_size,
+ &retained_bytes);
+ emitter_json_object_end(emitter);
+
+ col_size.size_val = sz_pind2sz(j);
+ col_ind.size_val = j;
+ col_ndirty.size_val = ndirty;
+ col_dirty.size_val = dirty_bytes;
+ col_nmuzzy.size_val = nmuzzy;
+ col_muzzy.size_val = muzzy_bytes;
+ col_nretained.size_val = nretained;
+ col_retained.size_val = retained_bytes;
+ col_ntotal.size_val = total;
+ col_total.size_val = total_bytes;
+
+ if (!in_gap) {
+ emitter_table_row(emitter, &row);
+ }
+ }
+ emitter_json_array_end(emitter); /* Close "extents". */
+ if (in_gap) {
+ emitter_table_printf(emitter, " ---\n");
+ }
+}
+
+static void
+stats_arena_hpa_shard_print(emitter_t *emitter, unsigned i, uint64_t uptime) {
+ emitter_row_t header_row;
+ emitter_row_init(&header_row);
+ emitter_row_t row;
+ emitter_row_init(&row);
+
+ uint64_t npurge_passes;
+ uint64_t npurges;
+ uint64_t nhugifies;
+ uint64_t ndehugifies;
+
+ CTL_M2_GET("stats.arenas.0.hpa_shard.npurge_passes",
+ i, &npurge_passes, uint64_t);
+ CTL_M2_GET("stats.arenas.0.hpa_shard.npurges",
+ i, &npurges, uint64_t);
+ CTL_M2_GET("stats.arenas.0.hpa_shard.nhugifies",
+ i, &nhugifies, uint64_t);
+ CTL_M2_GET("stats.arenas.0.hpa_shard.ndehugifies",
+ i, &ndehugifies, uint64_t);
+
+ size_t npageslabs_huge;
+ size_t nactive_huge;
+ size_t ndirty_huge;
+
+ size_t npageslabs_nonhuge;
+ size_t nactive_nonhuge;
+ size_t ndirty_nonhuge;
+ size_t nretained_nonhuge;
+
+ size_t sec_bytes;
+ CTL_M2_GET("stats.arenas.0.hpa_sec_bytes", i, &sec_bytes, size_t);
+ emitter_kv(emitter, "sec_bytes", "Bytes in small extent cache",
+ emitter_type_size, &sec_bytes);
+
+ /* First, global stats. */
+ emitter_table_printf(emitter,
+ "HPA shard stats:\n"
+ " Purge passes: %" FMTu64 " (%" FMTu64 " / sec)\n"
+ " Purges: %" FMTu64 " (%" FMTu64 " / sec)\n"
+ " Hugeifies: %" FMTu64 " (%" FMTu64 " / sec)\n"
+ " Dehugifies: %" FMTu64 " (%" FMTu64 " / sec)\n"
+ "\n",
+ npurge_passes, rate_per_second(npurge_passes, uptime),
+ npurges, rate_per_second(npurges, uptime),
+ nhugifies, rate_per_second(nhugifies, uptime),
+ ndehugifies, rate_per_second(ndehugifies, uptime));
+
+ emitter_json_object_kv_begin(emitter, "hpa_shard");
+ emitter_json_kv(emitter, "npurge_passes", emitter_type_uint64,
+ &npurge_passes);
+ emitter_json_kv(emitter, "npurges", emitter_type_uint64,
+ &npurges);
+ emitter_json_kv(emitter, "nhugifies", emitter_type_uint64,
+ &nhugifies);
+ emitter_json_kv(emitter, "ndehugifies", emitter_type_uint64,
+ &ndehugifies);
+
+ /* Next, full slab stats. */
+ CTL_M2_GET("stats.arenas.0.hpa_shard.full_slabs.npageslabs_huge",
+ i, &npageslabs_huge, size_t);
+ CTL_M2_GET("stats.arenas.0.hpa_shard.full_slabs.nactive_huge",
+ i, &nactive_huge, size_t);
+ CTL_M2_GET("stats.arenas.0.hpa_shard.full_slabs.ndirty_huge",
+ i, &ndirty_huge, size_t);
+
+ CTL_M2_GET("stats.arenas.0.hpa_shard.full_slabs.npageslabs_nonhuge",
+ i, &npageslabs_nonhuge, size_t);
+ CTL_M2_GET("stats.arenas.0.hpa_shard.full_slabs.nactive_nonhuge",
+ i, &nactive_nonhuge, size_t);
+ CTL_M2_GET("stats.arenas.0.hpa_shard.full_slabs.ndirty_nonhuge",
+ i, &ndirty_nonhuge, size_t);
+ nretained_nonhuge = npageslabs_nonhuge * HUGEPAGE_PAGES
+ - nactive_nonhuge - ndirty_nonhuge;
+
+ emitter_table_printf(emitter,
+ " In full slabs:\n"
+ " npageslabs: %zu huge, %zu nonhuge\n"
+ " nactive: %zu huge, %zu nonhuge \n"
+ " ndirty: %zu huge, %zu nonhuge \n"
+ " nretained: 0 huge, %zu nonhuge \n",
+ npageslabs_huge, npageslabs_nonhuge,
+ nactive_huge, nactive_nonhuge,
+ ndirty_huge, ndirty_nonhuge,
+ nretained_nonhuge);
+
+ emitter_json_object_kv_begin(emitter, "full_slabs");
+ emitter_json_kv(emitter, "npageslabs_huge", emitter_type_size,
+ &npageslabs_huge);
+ emitter_json_kv(emitter, "nactive_huge", emitter_type_size,
+ &nactive_huge);
+ emitter_json_kv(emitter, "nactive_huge", emitter_type_size,
+ &nactive_huge);
+ emitter_json_kv(emitter, "npageslabs_nonhuge", emitter_type_size,
+ &npageslabs_nonhuge);
+ emitter_json_kv(emitter, "nactive_nonhuge", emitter_type_size,
+ &nactive_nonhuge);
+ emitter_json_kv(emitter, "ndirty_nonhuge", emitter_type_size,
+ &ndirty_nonhuge);
+ emitter_json_object_end(emitter); /* End "full_slabs" */
+
+ /* Next, empty slab stats. */
+ CTL_M2_GET("stats.arenas.0.hpa_shard.empty_slabs.npageslabs_huge",
+ i, &npageslabs_huge, size_t);
+ CTL_M2_GET("stats.arenas.0.hpa_shard.empty_slabs.nactive_huge",
+ i, &nactive_huge, size_t);
+ CTL_M2_GET("stats.arenas.0.hpa_shard.empty_slabs.ndirty_huge",
+ i, &ndirty_huge, size_t);
+
+ CTL_M2_GET("stats.arenas.0.hpa_shard.empty_slabs.npageslabs_nonhuge",
+ i, &npageslabs_nonhuge, size_t);
+ CTL_M2_GET("stats.arenas.0.hpa_shard.empty_slabs.nactive_nonhuge",
+ i, &nactive_nonhuge, size_t);
+ CTL_M2_GET("stats.arenas.0.hpa_shard.empty_slabs.ndirty_nonhuge",
+ i, &ndirty_nonhuge, size_t);
+ nretained_nonhuge = npageslabs_nonhuge * HUGEPAGE_PAGES
+ - nactive_nonhuge - ndirty_nonhuge;
+
+ emitter_table_printf(emitter,
+ " In empty slabs:\n"
+ " npageslabs: %zu huge, %zu nonhuge\n"
+ " nactive: %zu huge, %zu nonhuge \n"
+ " ndirty: %zu huge, %zu nonhuge \n"
+ " nretained: 0 huge, %zu nonhuge \n"
+ "\n",
+ npageslabs_huge, npageslabs_nonhuge,
+ nactive_huge, nactive_nonhuge,
+ ndirty_huge, ndirty_nonhuge,
+ nretained_nonhuge);
+
+ emitter_json_object_kv_begin(emitter, "empty_slabs");
+ emitter_json_kv(emitter, "npageslabs_huge", emitter_type_size,
+ &npageslabs_huge);
+ emitter_json_kv(emitter, "nactive_huge", emitter_type_size,
+ &nactive_huge);
+ emitter_json_kv(emitter, "nactive_huge", emitter_type_size,
+ &nactive_huge);
+ emitter_json_kv(emitter, "npageslabs_nonhuge", emitter_type_size,
+ &npageslabs_nonhuge);
+ emitter_json_kv(emitter, "nactive_nonhuge", emitter_type_size,
+ &nactive_nonhuge);
+ emitter_json_kv(emitter, "ndirty_nonhuge", emitter_type_size,
+ &ndirty_nonhuge);
+ emitter_json_object_end(emitter); /* End "empty_slabs" */
+
+ COL_HDR(row, size, NULL, right, 20, size)
+ COL_HDR(row, ind, NULL, right, 4, unsigned)
+ COL_HDR(row, npageslabs_huge, NULL, right, 16, size)
+ COL_HDR(row, nactive_huge, NULL, right, 16, size)
+ COL_HDR(row, ndirty_huge, NULL, right, 16, size)
+ COL_HDR(row, npageslabs_nonhuge, NULL, right, 20, size)
+ COL_HDR(row, nactive_nonhuge, NULL, right, 20, size)
+ COL_HDR(row, ndirty_nonhuge, NULL, right, 20, size)
+ COL_HDR(row, nretained_nonhuge, NULL, right, 20, size)
+
+ size_t stats_arenas_mib[CTL_MAX_DEPTH];
+ CTL_LEAF_PREPARE(stats_arenas_mib, 0, "stats.arenas");
+ stats_arenas_mib[2] = i;
+ CTL_LEAF_PREPARE(stats_arenas_mib, 3, "hpa_shard.nonfull_slabs");
+
+ 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 < SC_NPSIZES; j++) {
+ stats_arenas_mib[5] = j;
+
+ CTL_LEAF(stats_arenas_mib, 6, "npageslabs_huge",
+ &npageslabs_huge, size_t);
+ CTL_LEAF(stats_arenas_mib, 6, "nactive_huge",
+ &nactive_huge, size_t);
+ CTL_LEAF(stats_arenas_mib, 6, "ndirty_huge",
+ &ndirty_huge, size_t);
+
+ CTL_LEAF(stats_arenas_mib, 6, "npageslabs_nonhuge",
+ &npageslabs_nonhuge, size_t);
+ CTL_LEAF(stats_arenas_mib, 6, "nactive_nonhuge",
+ &nactive_nonhuge, size_t);
+ CTL_LEAF(stats_arenas_mib, 6, "ndirty_nonhuge",
+ &ndirty_nonhuge, size_t);
+ nretained_nonhuge = npageslabs_nonhuge * HUGEPAGE_PAGES
+ - nactive_nonhuge - ndirty_nonhuge;
+
+ bool in_gap_prev = in_gap;
+ in_gap = (npageslabs_huge == 0 && npageslabs_nonhuge == 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_huge.size_val = npageslabs_huge;
+ col_nactive_huge.size_val = nactive_huge;
+ col_ndirty_huge.size_val = ndirty_huge;
+ col_npageslabs_nonhuge.size_val = npageslabs_nonhuge;
+ col_nactive_nonhuge.size_val = nactive_nonhuge;
+ col_ndirty_nonhuge.size_val = ndirty_nonhuge;
+ col_nretained_nonhuge.size_val = nretained_nonhuge;
+ if (!in_gap) {
+ emitter_table_row(emitter, &row);
+ }
+
+ emitter_json_object_begin(emitter);
+ emitter_json_kv(emitter, "npageslabs_huge", emitter_type_size,
+ &npageslabs_huge);
+ emitter_json_kv(emitter, "nactive_huge", emitter_type_size,
+ &nactive_huge);
+ emitter_json_kv(emitter, "ndirty_huge", emitter_type_size,
+ &ndirty_huge);
+ emitter_json_kv(emitter, "npageslabs_nonhuge", emitter_type_size,
+ &npageslabs_nonhuge);
+ emitter_json_kv(emitter, "nactive_nonhuge", emitter_type_size,
+ &nactive_nonhuge);
+ emitter_json_kv(emitter, "ndirty_nonhuge", emitter_type_size,
+ &ndirty_nonhuge);
+ emitter_json_object_end(emitter);
+ }
+ emitter_json_array_end(emitter); /* End "nonfull_slabs" */
+ emitter_json_object_end(emitter); /* End "hpa_shard" */
+ if (in_gap) {
+ emitter_table_printf(emitter, " ---\n");
+ }
+}
+
+static void
+stats_arena_mutexes_print(emitter_t *emitter, unsigned arena_ind, uint64_t uptime) {
+ emitter_row_t row;
+ emitter_col_t col_name;
+ emitter_col_t col64[mutex_prof_num_uint64_t_counters];
+ emitter_col_t col32[mutex_prof_num_uint32_t_counters];
+
+ emitter_row_init(&row);
+ mutex_stats_init_cols(&row, "", &col_name, col64, col32);
+
+ emitter_json_object_kv_begin(emitter, "mutexes");
+ emitter_table_row(emitter, &row);
+
+ size_t stats_arenas_mib[CTL_MAX_DEPTH];
+ CTL_LEAF_PREPARE(stats_arenas_mib, 0, "stats.arenas");
+ stats_arenas_mib[2] = arena_ind;
+ CTL_LEAF_PREPARE(stats_arenas_mib, 3, "mutexes");
+
+ for (mutex_prof_arena_ind_t i = 0; i < mutex_prof_num_arena_mutexes;
+ i++) {
+ const char *name = arena_mutex_names[i];
+ emitter_json_object_kv_begin(emitter, name);
+ mutex_stats_read_arena(stats_arenas_mib, 4, name, &col_name,
+ col64, col32, uptime);
+ mutex_stats_emit(emitter, &row, col64, col32);
+ emitter_json_object_end(emitter); /* Close the mutex dict. */
+ }
+ emitter_json_object_end(emitter); /* End "mutexes". */
+}
+
+JEMALLOC_COLD
+static void
+stats_arena_print(emitter_t *emitter, unsigned i, bool bins, bool large,
+ bool mutex, bool extents, bool hpa) {
+ unsigned nthreads;
+ const char *dss;
+ ssize_t dirty_decay_ms, muzzy_decay_ms;
+ size_t page, pactive, pdirty, pmuzzy, mapped, retained;
+ size_t base, internal, resident, metadata_thp, extent_avail;
+ uint64_t dirty_npurge, dirty_nmadvise, dirty_purged;
+ uint64_t muzzy_npurge, muzzy_nmadvise, muzzy_purged;
+ size_t small_allocated;
+ uint64_t small_nmalloc, small_ndalloc, small_nrequests, small_nfills,
+ small_nflushes;
+ size_t large_allocated;
+ uint64_t large_nmalloc, large_ndalloc, large_nrequests, large_nfills,
+ large_nflushes;
+ size_t tcache_bytes, tcache_stashed_bytes, abandoned_vm;
+ uint64_t uptime;
+
+ CTL_GET("arenas.page", &page, size_t);
+
+ CTL_M2_GET("stats.arenas.0.nthreads", i, &nthreads, unsigned);
+ emitter_kv(emitter, "nthreads", "assigned threads",
+ emitter_type_unsigned, &nthreads);
+
+ CTL_M2_GET("stats.arenas.0.uptime", i, &uptime, uint64_t);
+ emitter_kv(emitter, "uptime_ns", "uptime", emitter_type_uint64,
+ &uptime);
+
+ CTL_M2_GET("stats.arenas.0.dss", i, &dss, const char *);
+ emitter_kv(emitter, "dss", "dss allocation precedence",
+ emitter_type_string, &dss);
+
+ CTL_M2_GET("stats.arenas.0.dirty_decay_ms", i, &dirty_decay_ms,
+ ssize_t);
+ CTL_M2_GET("stats.arenas.0.muzzy_decay_ms", i, &muzzy_decay_ms,
+ ssize_t);
+ CTL_M2_GET("stats.arenas.0.pactive", i, &pactive, size_t);
+ CTL_M2_GET("stats.arenas.0.pdirty", i, &pdirty, size_t);
+ CTL_M2_GET("stats.arenas.0.pmuzzy", i, &pmuzzy, size_t);
+ CTL_M2_GET("stats.arenas.0.dirty_npurge", i, &dirty_npurge, uint64_t);
+ CTL_M2_GET("stats.arenas.0.dirty_nmadvise", i, &dirty_nmadvise,
+ uint64_t);
+ CTL_M2_GET("stats.arenas.0.dirty_purged", i, &dirty_purged, uint64_t);
+ CTL_M2_GET("stats.arenas.0.muzzy_npurge", i, &muzzy_npurge, uint64_t);
+ CTL_M2_GET("stats.arenas.0.muzzy_nmadvise", i, &muzzy_nmadvise,
+ uint64_t);
+ CTL_M2_GET("stats.arenas.0.muzzy_purged", i, &muzzy_purged, uint64_t);
+
+ emitter_row_t decay_row;
+ emitter_row_init(&decay_row);
+
+ /* JSON-style emission. */
+ emitter_json_kv(emitter, "dirty_decay_ms", emitter_type_ssize,
+ &dirty_decay_ms);
+ emitter_json_kv(emitter, "muzzy_decay_ms", emitter_type_ssize,
+ &muzzy_decay_ms);
+
+ emitter_json_kv(emitter, "pactive", emitter_type_size, &pactive);
+ emitter_json_kv(emitter, "pdirty", emitter_type_size, &pdirty);
+ emitter_json_kv(emitter, "pmuzzy", emitter_type_size, &pmuzzy);
+
+ emitter_json_kv(emitter, "dirty_npurge", emitter_type_uint64,
+ &dirty_npurge);
+ emitter_json_kv(emitter, "dirty_nmadvise", emitter_type_uint64,
+ &dirty_nmadvise);
+ emitter_json_kv(emitter, "dirty_purged", emitter_type_uint64,
+ &dirty_purged);
+
+ emitter_json_kv(emitter, "muzzy_npurge", emitter_type_uint64,
+ &muzzy_npurge);
+ emitter_json_kv(emitter, "muzzy_nmadvise", emitter_type_uint64,
+ &muzzy_nmadvise);
+ emitter_json_kv(emitter, "muzzy_purged", emitter_type_uint64,
+ &muzzy_purged);
+
+ /* Table-style emission. */
+ COL(decay_row, decay_type, right, 9, title);
+ col_decay_type.str_val = "decaying:";
+
+ COL(decay_row, decay_time, right, 6, title);
+ col_decay_time.str_val = "time";
+
+ COL(decay_row, decay_npages, right, 13, title);
+ col_decay_npages.str_val = "npages";
+
+ COL(decay_row, decay_sweeps, right, 13, title);
+ col_decay_sweeps.str_val = "sweeps";
+
+ COL(decay_row, decay_madvises, right, 13, title);
+ col_decay_madvises.str_val = "madvises";
+
+ COL(decay_row, decay_purged, right, 13, title);
+ col_decay_purged.str_val = "purged";
+
+ /* Title row. */
+ emitter_table_row(emitter, &decay_row);
+
+ /* Dirty row. */
+ col_decay_type.str_val = "dirty:";
+
+ if (dirty_decay_ms >= 0) {
+ col_decay_time.type = emitter_type_ssize;
+ col_decay_time.ssize_val = dirty_decay_ms;
+ } else {
+ col_decay_time.type = emitter_type_title;
+ col_decay_time.str_val = "N/A";
+ }
+
+ col_decay_npages.type = emitter_type_size;
+ col_decay_npages.size_val = pdirty;
+
+ col_decay_sweeps.type = emitter_type_uint64;
+ col_decay_sweeps.uint64_val = dirty_npurge;
+
+ col_decay_madvises.type = emitter_type_uint64;
+ col_decay_madvises.uint64_val = dirty_nmadvise;
+
+ col_decay_purged.type = emitter_type_uint64;
+ col_decay_purged.uint64_val = dirty_purged;
+
+ emitter_table_row(emitter, &decay_row);
+
+ /* Muzzy row. */
+ col_decay_type.str_val = "muzzy:";
+
+ if (muzzy_decay_ms >= 0) {
+ col_decay_time.type = emitter_type_ssize;
+ col_decay_time.ssize_val = muzzy_decay_ms;
+ } else {
+ col_decay_time.type = emitter_type_title;
+ col_decay_time.str_val = "N/A";
+ }
+
+ col_decay_npages.type = emitter_type_size;
+ col_decay_npages.size_val = pmuzzy;
+
+ col_decay_sweeps.type = emitter_type_uint64;
+ col_decay_sweeps.uint64_val = muzzy_npurge;
+
+ col_decay_madvises.type = emitter_type_uint64;
+ col_decay_madvises.uint64_val = muzzy_nmadvise;
+
+ col_decay_purged.type = emitter_type_uint64;
+ col_decay_purged.uint64_val = muzzy_purged;
+
+ emitter_table_row(emitter, &decay_row);
+
+ /* Small / large / total allocation counts. */
+ emitter_row_t alloc_count_row;
+ emitter_row_init(&alloc_count_row);
+
+ COL(alloc_count_row, count_title, left, 21, title);
+ col_count_title.str_val = "";
+
+ COL(alloc_count_row, count_allocated, right, 16, title);
+ col_count_allocated.str_val = "allocated";
+
+ COL(alloc_count_row, count_nmalloc, right, 16, title);
+ col_count_nmalloc.str_val = "nmalloc";
+ COL(alloc_count_row, count_nmalloc_ps, right, 10, title);
+ col_count_nmalloc_ps.str_val = "(#/sec)";
+
+ COL(alloc_count_row, count_ndalloc, right, 16, title);
+ col_count_ndalloc.str_val = "ndalloc";
+ COL(alloc_count_row, count_ndalloc_ps, right, 10, title);
+ col_count_ndalloc_ps.str_val = "(#/sec)";
+
+ COL(alloc_count_row, count_nrequests, right, 16, title);
+ col_count_nrequests.str_val = "nrequests";
+ COL(alloc_count_row, count_nrequests_ps, right, 10, title);
+ col_count_nrequests_ps.str_val = "(#/sec)";
+
+ COL(alloc_count_row, count_nfills, right, 16, title);
+ col_count_nfills.str_val = "nfill";
+ COL(alloc_count_row, count_nfills_ps, right, 10, title);
+ col_count_nfills_ps.str_val = "(#/sec)";
+
+ COL(alloc_count_row, count_nflushes, right, 16, title);
+ col_count_nflushes.str_val = "nflush";
+ COL(alloc_count_row, count_nflushes_ps, right, 10, title);
+ col_count_nflushes_ps.str_val = "(#/sec)";
+
+ emitter_table_row(emitter, &alloc_count_row);
+
+ col_count_nmalloc_ps.type = emitter_type_uint64;
+ col_count_ndalloc_ps.type = emitter_type_uint64;
+ col_count_nrequests_ps.type = emitter_type_uint64;
+ col_count_nfills_ps.type = emitter_type_uint64;
+ col_count_nflushes_ps.type = emitter_type_uint64;
+
+#define GET_AND_EMIT_ALLOC_STAT(small_or_large, name, valtype) \
+ CTL_M2_GET("stats.arenas.0." #small_or_large "." #name, i, \
+ &small_or_large##_##name, valtype##_t); \
+ emitter_json_kv(emitter, #name, emitter_type_##valtype, \
+ &small_or_large##_##name); \
+ col_count_##name.type = emitter_type_##valtype; \
+ col_count_##name.valtype##_val = small_or_large##_##name;
+
+ emitter_json_object_kv_begin(emitter, "small");
+ col_count_title.str_val = "small:";
+
+ GET_AND_EMIT_ALLOC_STAT(small, allocated, size)
+ GET_AND_EMIT_ALLOC_STAT(small, nmalloc, uint64)
+ col_count_nmalloc_ps.uint64_val =
+ rate_per_second(col_count_nmalloc.uint64_val, uptime);
+ GET_AND_EMIT_ALLOC_STAT(small, ndalloc, uint64)
+ col_count_ndalloc_ps.uint64_val =
+ rate_per_second(col_count_ndalloc.uint64_val, uptime);
+ GET_AND_EMIT_ALLOC_STAT(small, nrequests, uint64)
+ col_count_nrequests_ps.uint64_val =
+ rate_per_second(col_count_nrequests.uint64_val, uptime);
+ GET_AND_EMIT_ALLOC_STAT(small, nfills, uint64)
+ col_count_nfills_ps.uint64_val =
+ rate_per_second(col_count_nfills.uint64_val, uptime);
+ GET_AND_EMIT_ALLOC_STAT(small, nflushes, uint64)
+ col_count_nflushes_ps.uint64_val =
+ rate_per_second(col_count_nflushes.uint64_val, uptime);
+
+ emitter_table_row(emitter, &alloc_count_row);
+ emitter_json_object_end(emitter); /* Close "small". */
+
+ emitter_json_object_kv_begin(emitter, "large");
+ col_count_title.str_val = "large:";
+
+ GET_AND_EMIT_ALLOC_STAT(large, allocated, size)
+ GET_AND_EMIT_ALLOC_STAT(large, nmalloc, uint64)
+ col_count_nmalloc_ps.uint64_val =
+ rate_per_second(col_count_nmalloc.uint64_val, uptime);
+ GET_AND_EMIT_ALLOC_STAT(large, ndalloc, uint64)
+ col_count_ndalloc_ps.uint64_val =
+ rate_per_second(col_count_ndalloc.uint64_val, uptime);
+ GET_AND_EMIT_ALLOC_STAT(large, nrequests, uint64)
+ col_count_nrequests_ps.uint64_val =
+ rate_per_second(col_count_nrequests.uint64_val, uptime);
+ GET_AND_EMIT_ALLOC_STAT(large, nfills, uint64)
+ col_count_nfills_ps.uint64_val =
+ rate_per_second(col_count_nfills.uint64_val, uptime);
+ GET_AND_EMIT_ALLOC_STAT(large, nflushes, uint64)
+ col_count_nflushes_ps.uint64_val =
+ rate_per_second(col_count_nflushes.uint64_val, uptime);
+
+ emitter_table_row(emitter, &alloc_count_row);
+ emitter_json_object_end(emitter); /* Close "large". */
+
+#undef GET_AND_EMIT_ALLOC_STAT
+
+ /* Aggregated small + large stats are emitter only in table mode. */
+ col_count_title.str_val = "total:";
+ col_count_allocated.size_val = small_allocated + large_allocated;
+ col_count_nmalloc.uint64_val = small_nmalloc + large_nmalloc;
+ col_count_ndalloc.uint64_val = small_ndalloc + large_ndalloc;
+ col_count_nrequests.uint64_val = small_nrequests + large_nrequests;
+ col_count_nfills.uint64_val = small_nfills + large_nfills;
+ col_count_nflushes.uint64_val = small_nflushes + large_nflushes;
+ col_count_nmalloc_ps.uint64_val =
+ rate_per_second(col_count_nmalloc.uint64_val, uptime);
+ col_count_ndalloc_ps.uint64_val =
+ rate_per_second(col_count_ndalloc.uint64_val, uptime);
+ col_count_nrequests_ps.uint64_val =
+ rate_per_second(col_count_nrequests.uint64_val, uptime);
+ col_count_nfills_ps.uint64_val =
+ rate_per_second(col_count_nfills.uint64_val, uptime);
+ col_count_nflushes_ps.uint64_val =
+ rate_per_second(col_count_nflushes.uint64_val, uptime);
+ emitter_table_row(emitter, &alloc_count_row);
+
+ emitter_row_t mem_count_row;
+ emitter_row_init(&mem_count_row);
+
+ emitter_col_t mem_count_title;
+ emitter_col_init(&mem_count_title, &mem_count_row);
+ mem_count_title.justify = emitter_justify_left;
+ mem_count_title.width = 21;
+ mem_count_title.type = emitter_type_title;
+ mem_count_title.str_val = "";
+
+ emitter_col_t mem_count_val;
+ emitter_col_init(&mem_count_val, &mem_count_row);
+ mem_count_val.justify = emitter_justify_right;
+ mem_count_val.width = 16;
+ mem_count_val.type = emitter_type_title;
+ mem_count_val.str_val = "";
+
+ emitter_table_row(emitter, &mem_count_row);
+ mem_count_val.type = emitter_type_size;
+
+ /* Active count in bytes is emitted only in table mode. */
+ mem_count_title.str_val = "active:";
+ mem_count_val.size_val = pactive * page;
+ emitter_table_row(emitter, &mem_count_row);
+
+#define GET_AND_EMIT_MEM_STAT(stat) \
+ CTL_M2_GET("stats.arenas.0."#stat, i, &stat, size_t); \
+ emitter_json_kv(emitter, #stat, emitter_type_size, &stat); \
+ mem_count_title.str_val = #stat":"; \
+ mem_count_val.size_val = stat; \
+ emitter_table_row(emitter, &mem_count_row);
+
+ GET_AND_EMIT_MEM_STAT(mapped)
+ GET_AND_EMIT_MEM_STAT(retained)
+ GET_AND_EMIT_MEM_STAT(base)
+ GET_AND_EMIT_MEM_STAT(internal)
+ GET_AND_EMIT_MEM_STAT(metadata_thp)
+ GET_AND_EMIT_MEM_STAT(tcache_bytes)
+ GET_AND_EMIT_MEM_STAT(tcache_stashed_bytes)
+ GET_AND_EMIT_MEM_STAT(resident)
+ GET_AND_EMIT_MEM_STAT(abandoned_vm)
+ GET_AND_EMIT_MEM_STAT(extent_avail)
+#undef GET_AND_EMIT_MEM_STAT
+
+ if (mutex) {
+ stats_arena_mutexes_print(emitter, i, uptime);
+ }
+ if (bins) {
+ stats_arena_bins_print(emitter, mutex, i, uptime);
+ }
+ if (large) {
+ stats_arena_lextents_print(emitter, i, uptime);
+ }
+ if (extents) {
+ stats_arena_extents_print(emitter, i);
+ }
+ if (hpa) {
+ stats_arena_hpa_shard_print(emitter, i, uptime);
+ }
+}
+
+JEMALLOC_COLD
+static void
+stats_general_print(emitter_t *emitter) {
+ const char *cpv;
+ bool bv, bv2;
+ unsigned uv;
+ uint32_t u32v;
+ uint64_t u64v;
+ int64_t i64v;
+ ssize_t ssv, ssv2;
+ size_t sv, bsz, usz, u32sz, u64sz, i64sz, ssz, sssz, cpsz;
+
+ bsz = sizeof(bool);
+ usz = sizeof(unsigned);
+ ssz = sizeof(size_t);
+ sssz = sizeof(ssize_t);
+ cpsz = sizeof(const char *);
+ u32sz = sizeof(uint32_t);
+ i64sz = sizeof(int64_t);
+ u64sz = sizeof(uint64_t);
+
+ CTL_GET("version", &cpv, const char *);
+ emitter_kv(emitter, "version", "Version", emitter_type_string, &cpv);
+
+ /* config. */
+ emitter_dict_begin(emitter, "config", "Build-time option settings");
+#define CONFIG_WRITE_BOOL(name) \
+ do { \
+ CTL_GET("config."#name, &bv, bool); \
+ emitter_kv(emitter, #name, "config."#name, \
+ emitter_type_bool, &bv); \
+ } while (0)
+
+ CONFIG_WRITE_BOOL(cache_oblivious);
+ CONFIG_WRITE_BOOL(debug);
+ CONFIG_WRITE_BOOL(fill);
+ CONFIG_WRITE_BOOL(lazy_lock);
+ emitter_kv(emitter, "malloc_conf", "config.malloc_conf",
+ emitter_type_string, &config_malloc_conf);
+
+ CONFIG_WRITE_BOOL(opt_safety_checks);
+ CONFIG_WRITE_BOOL(prof);
+ CONFIG_WRITE_BOOL(prof_libgcc);
+ CONFIG_WRITE_BOOL(prof_libunwind);
+ CONFIG_WRITE_BOOL(stats);
+ CONFIG_WRITE_BOOL(utrace);
+ CONFIG_WRITE_BOOL(xmalloc);
+#undef CONFIG_WRITE_BOOL
+ emitter_dict_end(emitter); /* Close "config" dict. */
+
+ /* opt. */
+#define OPT_WRITE(name, var, size, emitter_type) \
+ if (je_mallctl("opt."name, (void *)&var, &size, NULL, 0) == \
+ 0) { \
+ emitter_kv(emitter, name, "opt."name, emitter_type, \
+ &var); \
+ }
+
+#define OPT_WRITE_MUTABLE(name, var1, var2, size, emitter_type, \
+ altname) \
+ if (je_mallctl("opt."name, (void *)&var1, &size, NULL, 0) == \
+ 0 && je_mallctl(altname, (void *)&var2, &size, NULL, 0) \
+ == 0) { \
+ emitter_kv_note(emitter, name, "opt."name, \
+ emitter_type, &var1, altname, emitter_type, \
+ &var2); \
+ }
+
+#define OPT_WRITE_BOOL(name) OPT_WRITE(name, bv, bsz, emitter_type_bool)
+#define OPT_WRITE_BOOL_MUTABLE(name, altname) \
+ OPT_WRITE_MUTABLE(name, bv, bv2, bsz, emitter_type_bool, altname)
+
+#define OPT_WRITE_UNSIGNED(name) \
+ OPT_WRITE(name, uv, usz, emitter_type_unsigned)
+
+#define OPT_WRITE_INT64(name) \
+ OPT_WRITE(name, i64v, i64sz, emitter_type_int64)
+#define OPT_WRITE_UINT64(name) \
+ OPT_WRITE(name, u64v, u64sz, emitter_type_uint64)
+
+#define OPT_WRITE_SIZE_T(name) \
+ OPT_WRITE(name, sv, ssz, emitter_type_size)
+#define OPT_WRITE_SSIZE_T(name) \
+ OPT_WRITE(name, ssv, sssz, emitter_type_ssize)
+#define OPT_WRITE_SSIZE_T_MUTABLE(name, altname) \
+ OPT_WRITE_MUTABLE(name, ssv, ssv2, sssz, emitter_type_ssize, \
+ altname)
+
+#define OPT_WRITE_CHAR_P(name) \
+ OPT_WRITE(name, cpv, cpsz, emitter_type_string)
+
+ emitter_dict_begin(emitter, "opt", "Run-time option settings");
+
+ OPT_WRITE_BOOL("abort")
+ OPT_WRITE_BOOL("abort_conf")
+ OPT_WRITE_BOOL("cache_oblivious")
+ OPT_WRITE_BOOL("confirm_conf")
+ OPT_WRITE_BOOL("retain")
+ OPT_WRITE_CHAR_P("dss")
+ OPT_WRITE_UNSIGNED("narenas")
+ OPT_WRITE_CHAR_P("percpu_arena")
+ OPT_WRITE_SIZE_T("oversize_threshold")
+ OPT_WRITE_BOOL("hpa")
+ OPT_WRITE_SIZE_T("hpa_slab_max_alloc")
+ OPT_WRITE_SIZE_T("hpa_hugification_threshold")
+ OPT_WRITE_UINT64("hpa_hugify_delay_ms")
+ OPT_WRITE_UINT64("hpa_min_purge_interval_ms")
+ if (je_mallctl("opt.hpa_dirty_mult", (void *)&u32v, &u32sz, NULL, 0)
+ == 0) {
+ /*
+ * We cheat a little and "know" the secret meaning of this
+ * representation.
+ */
+ if (u32v == (uint32_t)-1) {
+ const char *neg1 = "-1";
+ emitter_kv(emitter, "hpa_dirty_mult",
+ "opt.hpa_dirty_mult", emitter_type_string, &neg1);
+ } else {
+ char buf[FXP_BUF_SIZE];
+ fxp_print(u32v, buf);
+ const char *bufp = buf;
+ emitter_kv(emitter, "hpa_dirty_mult",
+ "opt.hpa_dirty_mult", emitter_type_string, &bufp);
+ }
+ }
+ OPT_WRITE_SIZE_T("hpa_sec_nshards")
+ OPT_WRITE_SIZE_T("hpa_sec_max_alloc")
+ OPT_WRITE_SIZE_T("hpa_sec_max_bytes")
+ OPT_WRITE_SIZE_T("hpa_sec_bytes_after_flush")
+ OPT_WRITE_SIZE_T("hpa_sec_batch_fill_extra")
+ OPT_WRITE_CHAR_P("metadata_thp")
+ OPT_WRITE_INT64("mutex_max_spin")
+ OPT_WRITE_BOOL_MUTABLE("background_thread", "background_thread")
+ OPT_WRITE_SSIZE_T_MUTABLE("dirty_decay_ms", "arenas.dirty_decay_ms")
+ OPT_WRITE_SSIZE_T_MUTABLE("muzzy_decay_ms", "arenas.muzzy_decay_ms")
+ OPT_WRITE_SIZE_T("lg_extent_max_active_fit")
+ OPT_WRITE_CHAR_P("junk")
+ OPT_WRITE_BOOL("zero")
+ OPT_WRITE_BOOL("utrace")
+ OPT_WRITE_BOOL("xmalloc")
+ OPT_WRITE_BOOL("experimental_infallible_new")
+ OPT_WRITE_BOOL("tcache")
+ OPT_WRITE_SIZE_T("tcache_max")
+ OPT_WRITE_UNSIGNED("tcache_nslots_small_min")
+ OPT_WRITE_UNSIGNED("tcache_nslots_small_max")
+ OPT_WRITE_UNSIGNED("tcache_nslots_large")
+ OPT_WRITE_SSIZE_T("lg_tcache_nslots_mul")
+ OPT_WRITE_SIZE_T("tcache_gc_incr_bytes")
+ OPT_WRITE_SIZE_T("tcache_gc_delay_bytes")
+ OPT_WRITE_UNSIGNED("lg_tcache_flush_small_div")
+ OPT_WRITE_UNSIGNED("lg_tcache_flush_large_div")
+ OPT_WRITE_CHAR_P("thp")
+ OPT_WRITE_BOOL("prof")
+ OPT_WRITE_CHAR_P("prof_prefix")
+ OPT_WRITE_BOOL_MUTABLE("prof_active", "prof.active")
+ OPT_WRITE_BOOL_MUTABLE("prof_thread_active_init",
+ "prof.thread_active_init")
+ OPT_WRITE_SSIZE_T_MUTABLE("lg_prof_sample", "prof.lg_sample")
+ OPT_WRITE_BOOL("prof_accum")
+ OPT_WRITE_SSIZE_T("lg_prof_interval")
+ OPT_WRITE_BOOL("prof_gdump")
+ OPT_WRITE_BOOL("prof_final")
+ OPT_WRITE_BOOL("prof_leak")
+ OPT_WRITE_BOOL("prof_leak_error")
+ OPT_WRITE_BOOL("stats_print")
+ OPT_WRITE_CHAR_P("stats_print_opts")
+ OPT_WRITE_BOOL("stats_print")
+ OPT_WRITE_CHAR_P("stats_print_opts")
+ OPT_WRITE_INT64("stats_interval")
+ OPT_WRITE_CHAR_P("stats_interval_opts")
+ OPT_WRITE_CHAR_P("zero_realloc")
+
+ emitter_dict_end(emitter);
+
+#undef OPT_WRITE
+#undef OPT_WRITE_MUTABLE
+#undef OPT_WRITE_BOOL
+#undef OPT_WRITE_BOOL_MUTABLE
+#undef OPT_WRITE_UNSIGNED
+#undef OPT_WRITE_SSIZE_T
+#undef OPT_WRITE_SSIZE_T_MUTABLE
+#undef OPT_WRITE_CHAR_P
+
+ /* prof. */
+ if (config_prof) {
+ emitter_dict_begin(emitter, "prof", "Profiling settings");
+
+ CTL_GET("prof.thread_active_init", &bv, bool);
+ emitter_kv(emitter, "thread_active_init",
+ "prof.thread_active_init", emitter_type_bool, &bv);
+
+ CTL_GET("prof.active", &bv, bool);
+ emitter_kv(emitter, "active", "prof.active", emitter_type_bool,
+ &bv);
+
+ CTL_GET("prof.gdump", &bv, bool);
+ emitter_kv(emitter, "gdump", "prof.gdump", emitter_type_bool,
+ &bv);
+
+ CTL_GET("prof.interval", &u64v, uint64_t);
+ emitter_kv(emitter, "interval", "prof.interval",
+ emitter_type_uint64, &u64v);
+
+ CTL_GET("prof.lg_sample", &ssv, ssize_t);
+ emitter_kv(emitter, "lg_sample", "prof.lg_sample",
+ emitter_type_ssize, &ssv);
+
+ emitter_dict_end(emitter); /* Close "prof". */
+ }
+
+ /* arenas. */
+ /*
+ * The json output sticks arena info into an "arenas" dict; the table
+ * output puts them at the top-level.
+ */
+ emitter_json_object_kv_begin(emitter, "arenas");
+
+ CTL_GET("arenas.narenas", &uv, unsigned);
+ emitter_kv(emitter, "narenas", "Arenas", emitter_type_unsigned, &uv);
+
+ /*
+ * Decay settings are emitted only in json mode; in table mode, they're
+ * emitted as notes with the opt output, above.
+ */
+ CTL_GET("arenas.dirty_decay_ms", &ssv, ssize_t);
+ emitter_json_kv(emitter, "dirty_decay_ms", emitter_type_ssize, &ssv);
+
+ CTL_GET("arenas.muzzy_decay_ms", &ssv, ssize_t);
+ emitter_json_kv(emitter, "muzzy_decay_ms", emitter_type_ssize, &ssv);
+
+ CTL_GET("arenas.quantum", &sv, size_t);
+ emitter_kv(emitter, "quantum", "Quantum size", emitter_type_size, &sv);
+
+ CTL_GET("arenas.page", &sv, size_t);
+ emitter_kv(emitter, "page", "Page size", emitter_type_size, &sv);
+
+ if (je_mallctl("arenas.tcache_max", (void *)&sv, &ssz, NULL, 0) == 0) {
+ emitter_kv(emitter, "tcache_max",
+ "Maximum thread-cached size class", emitter_type_size, &sv);
+ }
+
+ unsigned arenas_nbins;
+ CTL_GET("arenas.nbins", &arenas_nbins, unsigned);
+ emitter_kv(emitter, "nbins", "Number of bin size classes",
+ emitter_type_unsigned, &arenas_nbins);
+
+ unsigned arenas_nhbins;
+ CTL_GET("arenas.nhbins", &arenas_nhbins, unsigned);
+ emitter_kv(emitter, "nhbins", "Number of thread-cache bin size classes",
+ emitter_type_unsigned, &arenas_nhbins);
+
+ /*
+ * We do enough mallctls in a loop that we actually want to omit them
+ * (not just omit the printing).
+ */
+ if (emitter_outputs_json(emitter)) {
+ emitter_json_array_kv_begin(emitter, "bin");
+ size_t arenas_bin_mib[CTL_MAX_DEPTH];
+ CTL_LEAF_PREPARE(arenas_bin_mib, 0, "arenas.bin");
+ for (unsigned i = 0; i < arenas_nbins; i++) {
+ arenas_bin_mib[2] = i;
+ emitter_json_object_begin(emitter);
+
+ CTL_LEAF(arenas_bin_mib, 3, "size", &sv, size_t);
+ emitter_json_kv(emitter, "size", emitter_type_size,
+ &sv);
+
+ CTL_LEAF(arenas_bin_mib, 3, "nregs", &u32v, uint32_t);
+ emitter_json_kv(emitter, "nregs", emitter_type_uint32,
+ &u32v);
+
+ CTL_LEAF(arenas_bin_mib, 3, "slab_size", &sv, size_t);
+ emitter_json_kv(emitter, "slab_size", emitter_type_size,
+ &sv);
+
+ CTL_LEAF(arenas_bin_mib, 3, "nshards", &u32v, uint32_t);
+ emitter_json_kv(emitter, "nshards", emitter_type_uint32,
+ &u32v);
+
+ emitter_json_object_end(emitter);
+ }
+ emitter_json_array_end(emitter); /* Close "bin". */
+ }
+
+ unsigned nlextents;
+ CTL_GET("arenas.nlextents", &nlextents, unsigned);
+ emitter_kv(emitter, "nlextents", "Number of large size classes",
+ emitter_type_unsigned, &nlextents);
+
+ if (emitter_outputs_json(emitter)) {
+ emitter_json_array_kv_begin(emitter, "lextent");
+ size_t arenas_lextent_mib[CTL_MAX_DEPTH];
+ CTL_LEAF_PREPARE(arenas_lextent_mib, 0, "arenas.lextent");
+ for (unsigned i = 0; i < nlextents; i++) {
+ arenas_lextent_mib[2] = i;
+ emitter_json_object_begin(emitter);
+
+ CTL_LEAF(arenas_lextent_mib, 3, "size", &sv, size_t);
+ emitter_json_kv(emitter, "size", emitter_type_size,
+ &sv);
+
+ emitter_json_object_end(emitter);
+ }
+ emitter_json_array_end(emitter); /* Close "lextent". */
+ }
+
+ emitter_json_object_end(emitter); /* Close "arenas" */
+}
+
+JEMALLOC_COLD
+static void
+stats_print_helper(emitter_t *emitter, bool merged, bool destroyed,
+ 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.
+ */
+ size_t allocated, active, metadata, metadata_thp, resident, mapped,
+ retained;
+ size_t num_background_threads;
+ size_t zero_reallocs;
+ 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);
+
+ CTL_GET("stats.zero_reallocs", &zero_reallocs, size_t);
+
+ if (have_background_thread) {
+ CTL_GET("stats.background_thread.num_threads",
+ &num_background_threads, size_t);
+ CTL_GET("stats.background_thread.num_runs",
+ &background_thread_num_runs, uint64_t);
+ CTL_GET("stats.background_thread.run_interval",
+ &background_thread_run_interval, uint64_t);
+ } else {
+ num_background_threads = 0;
+ background_thread_num_runs = 0;
+ background_thread_run_interval = 0;
+ }
+
+ /* Generic global stats. */
+ emitter_json_object_kv_begin(emitter, "stats");
+ emitter_json_kv(emitter, "allocated", emitter_type_size, &allocated);
+ emitter_json_kv(emitter, "active", emitter_type_size, &active);
+ emitter_json_kv(emitter, "metadata", emitter_type_size, &metadata);
+ emitter_json_kv(emitter, "metadata_thp", emitter_type_size,
+ &metadata_thp);
+ emitter_json_kv(emitter, "resident", emitter_type_size, &resident);
+ emitter_json_kv(emitter, "mapped", emitter_type_size, &mapped);
+ emitter_json_kv(emitter, "retained", emitter_type_size, &retained);
+ emitter_json_kv(emitter, "zero_reallocs", emitter_type_size,
+ &zero_reallocs);
+
+ emitter_table_printf(emitter, "Allocated: %zu, active: %zu, "
+ "metadata: %zu (n_thp %zu), resident: %zu, mapped: %zu, "
+ "retained: %zu\n", allocated, active, metadata, metadata_thp,
+ resident, mapped, retained);
+
+ /* Strange behaviors */
+ emitter_table_printf(emitter,
+ "Count of realloc(non-null-ptr, 0) calls: %zu\n", zero_reallocs);
+
+ /* Background thread stats. */
+ emitter_json_object_kv_begin(emitter, "background_thread");
+ emitter_json_kv(emitter, "num_threads", emitter_type_size,
+ &num_background_threads);
+ emitter_json_kv(emitter, "num_runs", emitter_type_uint64,
+ &background_thread_num_runs);
+ emitter_json_kv(emitter, "run_interval", emitter_type_uint64,
+ &background_thread_run_interval);
+ emitter_json_object_end(emitter); /* Close "background_thread". */
+
+ emitter_table_printf(emitter, "Background threads: %zu, "
+ "num_runs: %"FMTu64", run_interval: %"FMTu64" ns\n",
+ num_background_threads, background_thread_num_runs,
+ background_thread_run_interval);
+
+ if (mutex) {
+ emitter_row_t row;
+ emitter_col_t name;
+ emitter_col_t col64[mutex_prof_num_uint64_t_counters];
+ emitter_col_t col32[mutex_prof_num_uint32_t_counters];
+ uint64_t uptime;
+
+ emitter_row_init(&row);
+ mutex_stats_init_cols(&row, "", &name, col64, col32);
+
+ emitter_table_row(emitter, &row);
+ emitter_json_object_kv_begin(emitter, "mutexes");
+
+ CTL_M2_GET("stats.arenas.0.uptime", 0, &uptime, uint64_t);
+
+ size_t stats_mutexes_mib[CTL_MAX_DEPTH];
+ CTL_LEAF_PREPARE(stats_mutexes_mib, 0, "stats.mutexes");
+ for (int i = 0; i < mutex_prof_num_global_mutexes; i++) {
+ mutex_stats_read_global(stats_mutexes_mib, 2,
+ global_mutex_names[i], &name, col64, col32, uptime);
+ emitter_json_object_kv_begin(emitter, global_mutex_names[i]);
+ mutex_stats_emit(emitter, &row, col64, col32);
+ emitter_json_object_end(emitter);
+ }
+
+ emitter_json_object_end(emitter); /* Close "mutexes". */
+ }
+
+ emitter_json_object_end(emitter); /* Close "stats". */
+
+ if (merged || destroyed || unmerged) {
+ unsigned narenas;
+
+ emitter_json_object_kv_begin(emitter, "stats.arenas");
+
+ CTL_GET("arenas.narenas", &narenas, unsigned);
+ size_t mib[3];
+ size_t miblen = sizeof(mib) / sizeof(size_t);
+ size_t sz;
+ VARIABLE_ARRAY(bool, initialized, narenas);
+ bool destroyed_initialized;
+ unsigned i, j, ninitialized;
+
+ xmallctlnametomib("arena.0.initialized", mib, &miblen);
+ for (i = ninitialized = 0; i < narenas; i++) {
+ mib[1] = i;
+ sz = sizeof(bool);
+ xmallctlbymib(mib, miblen, &initialized[i], &sz,
+ NULL, 0);
+ if (initialized[i]) {
+ ninitialized++;
+ }
+ }
+ mib[1] = MALLCTL_ARENAS_DESTROYED;
+ sz = sizeof(bool);
+ xmallctlbymib(mib, miblen, &destroyed_initialized, &sz,
+ NULL, 0);
+
+ /* Merged stats. */
+ if (merged && (ninitialized > 1 || !unmerged)) {
+ /* Print merged arena stats. */
+ 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, hpa);
+ emitter_json_object_end(emitter); /* Close "merged". */
+ }
+
+ /* Destroyed stats. */
+ if (destroyed_initialized && destroyed) {
+ /* Print destroyed arena stats. */
+ emitter_table_printf(emitter,
+ "Destroyed arenas stats:\n");
+ emitter_json_object_kv_begin(emitter, "destroyed");
+ stats_arena_print(emitter, MALLCTL_ARENAS_DESTROYED,
+ bins, large, mutex, extents, hpa);
+ emitter_json_object_end(emitter); /* Close "destroyed". */
+ }
+
+ /* Unmerged stats. */
+ if (unmerged) {
+ for (i = j = 0; i < narenas; i++) {
+ if (initialized[i]) {
+ char arena_ind_str[20];
+ malloc_snprintf(arena_ind_str,
+ sizeof(arena_ind_str), "%u", i);
+ emitter_json_object_kv_begin(emitter,
+ arena_ind_str);
+ emitter_table_printf(emitter,
+ "arenas[%s]:\n", arena_ind_str);
+ stats_arena_print(emitter, i, bins,
+ large, mutex, extents, hpa);
+ /* Close "<arena-ind>". */
+ emitter_json_object_end(emitter);
+ }
+ }
+ }
+ emitter_json_object_end(emitter); /* Close "stats.arenas". */
+ }
+}
+
+void
+stats_print(write_cb_t *write_cb, void *cbopaque, const char *opts) {
+ int err;
+ uint64_t epoch;
+ size_t u64sz;
+#define OPTION(o, v, d, s) bool v = d;
+ STATS_PRINT_OPTIONS
+#undef OPTION
+
+ /*
+ * Refresh stats, in case mallctl() was called by the application.
+ *
+ * Check for OOM here, since refreshing the ctl cache can trigger
+ * allocation. In practice, none of the subsequent mallctl()-related
+ * calls in this function will cause OOM if this one succeeds.
+ * */
+ epoch = 1;
+ u64sz = sizeof(uint64_t);
+ err = je_mallctl("epoch", (void *)&epoch, &u64sz, (void *)&epoch,
+ sizeof(uint64_t));
+ if (err != 0) {
+ if (err == EAGAIN) {
+ malloc_write("<jemalloc>: Memory allocation failure in "
+ "mallctl(\"epoch\", ...)\n");
+ return;
+ }
+ malloc_write("<jemalloc>: Failure in mallctl(\"epoch\", "
+ "...)\n");
+ abort();
+ }
+
+ if (opts != NULL) {
+ for (unsigned i = 0; opts[i] != '\0'; i++) {
+ switch (opts[i]) {
+#define OPTION(o, v, d, s) case o: v = s; break;
+ STATS_PRINT_OPTIONS
+#undef OPTION
+ default:;
+ }
+ }
+ }
+
+ emitter_t emitter;
+ emitter_init(&emitter,
+ json ? emitter_output_json_compact : emitter_output_table,
+ write_cb, cbopaque);
+ emitter_begin(&emitter);
+ emitter_table_printf(&emitter, "___ Begin jemalloc statistics ___\n");
+ emitter_json_object_kv_begin(&emitter, "jemalloc");
+
+ if (general) {
+ stats_general_print(&emitter);
+ }
+ if (config_stats) {
+ stats_print_helper(&emitter, merged, destroyed, unmerged,
+ bins, large, mutex, extents, hpa);
+ }
+
+ emitter_json_object_end(&emitter); /* Closes the "jemalloc" dict. */
+ emitter_table_printf(&emitter, "--- End jemalloc statistics ---\n");
+ emitter_end(&emitter);
+}
+
+uint64_t
+stats_interval_new_event_wait(tsd_t *tsd) {
+ return stats_interval_accum_batch;
+}
+
+uint64_t
+stats_interval_postponed_event_wait(tsd_t *tsd) {
+ return TE_MIN_START_WAIT;
+}
+
+void
+stats_interval_event_handler(tsd_t *tsd, uint64_t elapsed) {
+ assert(elapsed > 0 && elapsed != TE_INVALID_ELAPSED);
+ if (counter_accum(tsd_tsdn(tsd), &stats_interval_accumulated,
+ elapsed)) {
+ je_malloc_stats_print(NULL, NULL, opt_stats_interval_opts);
+ }
+}
+
+bool
+stats_boot(void) {
+ uint64_t stats_interval;
+ if (opt_stats_interval < 0) {
+ assert(opt_stats_interval == -1);
+ stats_interval = 0;
+ stats_interval_accum_batch = 0;
+ } else{
+ /* See comments in stats.h */
+ stats_interval = (opt_stats_interval > 0) ?
+ opt_stats_interval : 1;
+ uint64_t batch = stats_interval >>
+ STATS_INTERVAL_ACCUM_LG_BATCH_SIZE;
+ if (batch > STATS_INTERVAL_ACCUM_BATCH_MAX) {
+ batch = STATS_INTERVAL_ACCUM_BATCH_MAX;
+ } else if (batch == 0) {
+ batch = 1;
+ }
+ stats_interval_accum_batch = batch;
+ }
+
+ return counter_accum_init(&stats_interval_accumulated, stats_interval);
+}
+
+void
+stats_prefork(tsdn_t *tsdn) {
+ counter_prefork(tsdn, &stats_interval_accumulated);
+}
+
+void
+stats_postfork_parent(tsdn_t *tsdn) {
+ counter_postfork_parent(tsdn, &stats_interval_accumulated);
+}
+
+void
+stats_postfork_child(tsdn_t *tsdn) {
+ counter_postfork_child(tsdn, &stats_interval_accumulated);
+}