diff options
Diffstat (limited to 'deps/jemalloc/src/stats.c')
| -rw-r--r-- | deps/jemalloc/src/stats.c | 1973 |
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", ®_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); +} |