| #define JEMALLOC_STATS_C_ |
| #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/mutex.h" |
| #include "jemalloc/internal/mutex_prof.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_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) |
| |
| #define CTL_M2_M4_GET(n, i, j, v, t) do { \ |
| size_t mib[CTL_MAX_DEPTH]; \ |
| size_t miblen = sizeof(mib) / sizeof(size_t); \ |
| size_t sz = sizeof(t); \ |
| xmallctlnametomib(n, mib, &miblen); \ |
| mib[2] = (i); \ |
| mib[4] = (j); \ |
| 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] = ""; |
| |
| /******************************************************************************/ |
| |
| /* 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; |
| } |
| |
| #define MUTEX_CTL_STR_MAX_LENGTH 128 |
| static void |
| gen_mutex_ctl_str(char *str, size_t buf_len, const char *prefix, |
| const char *mutex, const char *counter) { |
| malloc_snprintf(str, buf_len, "stats.%s.%s.%s", prefix, mutex, counter); |
| } |
| |
| 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) \ |
| col = &col_##counter_type[k_##counter_type]; \ |
| ++k_##counter_type; \ |
| emitter_col_init(col, row); \ |
| col->justify = emitter_justify_right; \ |
| col->width = 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 |
| } |
| |
| static void |
| mutex_stats_read_global(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]) { |
| char cmd[MUTEX_CTL_STR_MAX_LENGTH]; |
| |
| 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) \ |
| dst = &col_##counter_type[mutex_counter_##counter]; \ |
| dst->type = EMITTER_TYPE_##counter_type; \ |
| gen_mutex_ctl_str(cmd, MUTEX_CTL_STR_MAX_LENGTH, \ |
| "mutexes", name, #counter); \ |
| CTL_GET(cmd, (counter_type *)&dst->bool_val, counter_type); |
| MUTEX_PROF_COUNTERS |
| #undef OP |
| #undef EMITTER_TYPE_uint32_t |
| #undef EMITTER_TYPE_uint64_t |
| } |
| |
| static void |
| mutex_stats_read_arena(unsigned arena_ind, mutex_prof_arena_ind_t mutex_ind, |
| 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]) { |
| char cmd[MUTEX_CTL_STR_MAX_LENGTH]; |
| |
| 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) \ |
| dst = &col_##counter_type[mutex_counter_##counter]; \ |
| dst->type = EMITTER_TYPE_##counter_type; \ |
| gen_mutex_ctl_str(cmd, MUTEX_CTL_STR_MAX_LENGTH, \ |
| "arenas.0.mutexes", arena_mutex_names[mutex_ind], #counter);\ |
| CTL_M2_GET(cmd, arena_ind, \ |
| (counter_type *)&dst->bool_val, counter_type); |
| MUTEX_PROF_COUNTERS |
| #undef OP |
| #undef EMITTER_TYPE_uint32_t |
| #undef EMITTER_TYPE_uint64_t |
| } |
| |
| static void |
| mutex_stats_read_arena_bin(unsigned arena_ind, unsigned bin_ind, |
| emitter_col_t col_uint64_t[mutex_prof_num_uint64_t_counters], |
| emitter_col_t col_uint32_t[mutex_prof_num_uint32_t_counters]) { |
| char cmd[MUTEX_CTL_STR_MAX_LENGTH]; |
| 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) \ |
| dst = &col_##counter_type[mutex_counter_##counter]; \ |
| dst->type = EMITTER_TYPE_##counter_type; \ |
| gen_mutex_ctl_str(cmd, MUTEX_CTL_STR_MAX_LENGTH, \ |
| "arenas.0.bins.0","mutex", #counter); \ |
| CTL_M2_M4_GET(cmd, arena_ind, bin_ind, \ |
| (counter_type *)&dst->bool_val, counter_type); |
| 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) \ |
| 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 |
| } |
| |
| static void |
| stats_arena_bins_print(emitter_t *emitter, bool mutex, unsigned i) { |
| 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); |
| #define COL(name, left_or_right, col_width, etype) \ |
| emitter_col_t col_##name; \ |
| emitter_col_init(&col_##name, &row); \ |
| col_##name.justify = emitter_justify_##left_or_right; \ |
| col_##name.width = col_width; \ |
| col_##name.type = emitter_type_##etype; \ |
| emitter_col_t header_col_##name; \ |
| emitter_col_init(&header_col_##name, &header_row); \ |
| header_col_##name.justify = emitter_justify_##left_or_right; \ |
| header_col_##name.width = col_width; \ |
| header_col_##name.type = emitter_type_title; \ |
| header_col_##name.str_val = #name; |
| |
| COL(size, right, 20, size) |
| COL(ind, right, 4, unsigned) |
| COL(allocated, right, 13, uint64) |
| COL(nmalloc, right, 13, uint64) |
| COL(ndalloc, right, 13, uint64) |
| COL(nrequests, right, 13, uint64) |
| COL(curregs, right, 13, size) |
| COL(curslabs, right, 13, size) |
| COL(regs, right, 5, unsigned) |
| COL(pgs, right, 4, size) |
| /* To buffer a right- and left-justified column. */ |
| COL(justify_spacer, right, 1, title) |
| COL(util, right, 6, title) |
| COL(nfills, right, 13, uint64) |
| COL(nflushes, right, 13, uint64) |
| COL(nslabs, right, 13, uint64) |
| COL(nreslabs, right, 13, uint64) |
| #undef COL |
| |
| /* Don't want to actually print the name. */ |
| header_col_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_col_size.width -=5; |
| emitter_table_printf(emitter, "bins:"); |
| emitter_table_row(emitter, &header_row); |
| emitter_json_arr_begin(emitter, "bins"); |
| |
| for (j = 0, in_gap = false; j < nbins; j++) { |
| uint64_t nslabs; |
| size_t reg_size, slab_size, curregs; |
| size_t curslabs; |
| uint32_t nregs; |
| uint64_t nmalloc, ndalloc, nrequests, nfills, nflushes; |
| uint64_t nreslabs; |
| |
| CTL_M2_M4_GET("stats.arenas.0.bins.0.nslabs", i, j, &nslabs, |
| uint64_t); |
| in_gap_prev = in_gap; |
| in_gap = (nslabs == 0); |
| |
| if (in_gap_prev && !in_gap) { |
| emitter_table_printf(emitter, |
| " ---\n"); |
| } |
| |
| CTL_M2_GET("arenas.bin.0.size", j, ®_size, size_t); |
| CTL_M2_GET("arenas.bin.0.nregs", j, &nregs, uint32_t); |
| CTL_M2_GET("arenas.bin.0.slab_size", j, &slab_size, size_t); |
| |
| CTL_M2_M4_GET("stats.arenas.0.bins.0.nmalloc", i, j, &nmalloc, |
| uint64_t); |
| CTL_M2_M4_GET("stats.arenas.0.bins.0.ndalloc", i, j, &ndalloc, |
| uint64_t); |
| CTL_M2_M4_GET("stats.arenas.0.bins.0.curregs", i, j, &curregs, |
| size_t); |
| CTL_M2_M4_GET("stats.arenas.0.bins.0.nrequests", i, j, |
| &nrequests, uint64_t); |
| CTL_M2_M4_GET("stats.arenas.0.bins.0.nfills", i, j, &nfills, |
| uint64_t); |
| CTL_M2_M4_GET("stats.arenas.0.bins.0.nflushes", i, j, &nflushes, |
| uint64_t); |
| CTL_M2_M4_GET("stats.arenas.0.bins.0.nreslabs", i, j, &nreslabs, |
| uint64_t); |
| CTL_M2_M4_GET("stats.arenas.0.bins.0.curslabs", i, j, &curslabs, |
| size_t); |
| |
| if (mutex) { |
| mutex_stats_read_arena_bin(i, j, col_mutex64, |
| col_mutex32); |
| } |
| |
| emitter_json_arr_obj_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); |
| 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); |
| if (mutex) { |
| emitter_json_dict_begin(emitter, "mutex"); |
| mutex_stats_emit(emitter, NULL, col_mutex64, |
| col_mutex32); |
| emitter_json_dict_end(emitter); |
| } |
| emitter_json_arr_obj_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_ndalloc.uint64_val = ndalloc; |
| col_nrequests.uint64_val = nrequests; |
| col_curregs.size_val = curregs; |
| col_curslabs.size_val = curslabs; |
| col_regs.unsigned_val = nregs; |
| col_pgs.size_val = slab_size / page; |
| col_util.str_val = util; |
| col_nfills.uint64_val = nfills; |
| col_nflushes.uint64_val = nflushes; |
| col_nslabs.uint64_val = nslabs; |
| col_nreslabs.uint64_val = nreslabs; |
| |
| /* |
| * Note that mutex columns were initialized above, if mutex == |
| * true. |
| */ |
| |
| emitter_table_row(emitter, &row); |
| } |
| emitter_json_arr_end(emitter); /* Close "bins". */ |
| |
| if (in_gap) { |
| emitter_table_printf(emitter, " ---\n"); |
| } |
| } |
| |
| static void |
| stats_arena_lextents_print(emitter_t *emitter, unsigned i) { |
| 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); |
| |
| #define COL(name, left_or_right, col_width, etype) \ |
| emitter_col_t header_##name; \ |
| emitter_col_init(&header_##name, &header_row); \ |
| header_##name.justify = emitter_justify_##left_or_right; \ |
| header_##name.width = col_width; \ |
| header_##name.type = emitter_type_title; \ |
| header_##name.str_val = #name; \ |
| \ |
| emitter_col_t col_##name; \ |
| emitter_col_init(&col_##name, &row); \ |
| col_##name.justify = emitter_justify_##left_or_right; \ |
| col_##name.width = col_width; \ |
| col_##name.type = emitter_type_##etype; |
| |
| COL(size, right, 20, size) |
| COL(ind, right, 4, unsigned) |
| COL(allocated, right, 13, size) |
| COL(nmalloc, right, 13, uint64) |
| COL(ndalloc, right, 13, uint64) |
| COL(nrequests, right, 13, uint64) |
| COL(curlextents, right, 13, size) |
| #undef COL |
| |
| /* 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_arr_begin(emitter, "lextents"); |
| |
| for (j = 0, in_gap = false; j < nlextents; j++) { |
| uint64_t nmalloc, ndalloc, nrequests; |
| size_t lextent_size, curlextents; |
| |
| CTL_M2_M4_GET("stats.arenas.0.lextents.0.nmalloc", i, j, |
| &nmalloc, uint64_t); |
| CTL_M2_M4_GET("stats.arenas.0.lextents.0.ndalloc", i, j, |
| &ndalloc, uint64_t); |
| CTL_M2_M4_GET("stats.arenas.0.lextents.0.nrequests", i, j, |
| &nrequests, uint64_t); |
| in_gap_prev = in_gap; |
| in_gap = (nrequests == 0); |
| |
| if (in_gap_prev && !in_gap) { |
| emitter_table_printf(emitter, |
| " ---\n"); |
| } |
| |
| CTL_M2_GET("arenas.lextent.0.size", j, &lextent_size, size_t); |
| CTL_M2_M4_GET("stats.arenas.0.lextents.0.curlextents", i, j, |
| &curlextents, size_t); |
| |
| emitter_json_arr_obj_begin(emitter); |
| emitter_json_kv(emitter, "curlextents", emitter_type_size, |
| &curlextents); |
| emitter_json_arr_obj_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_ndalloc.uint64_val = ndalloc; |
| col_nrequests.uint64_val = nrequests; |
| col_curlextents.size_val = curlextents; |
| |
| if (!in_gap) { |
| emitter_table_row(emitter, &row); |
| } |
| } |
| emitter_json_arr_end(emitter); /* Close "lextents". */ |
| if (in_gap) { |
| emitter_table_printf(emitter, " ---\n"); |
| } |
| } |
| |
| static void |
| stats_arena_mutexes_print(emitter_t *emitter, unsigned arena_ind) { |
| 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_dict_begin(emitter, "mutexes"); |
| emitter_table_row(emitter, &row); |
| |
| for (mutex_prof_arena_ind_t i = 0; i < mutex_prof_num_arena_mutexes; |
| i++) { |
| const char *name = arena_mutex_names[i]; |
| emitter_json_dict_begin(emitter, name); |
| mutex_stats_read_arena(arena_ind, i, name, &col_name, col64, |
| col32); |
| mutex_stats_emit(emitter, &row, col64, col32); |
| emitter_json_dict_end(emitter); /* Close the mutex dict. */ |
| } |
| emitter_json_dict_end(emitter); /* End "mutexes". */ |
| } |
| |
| static void |
| stats_arena_print(emitter_t *emitter, unsigned i, bool bins, bool large, |
| bool mutex) { |
| 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; |
| 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; |
| size_t large_allocated; |
| uint64_t large_nmalloc, large_ndalloc, large_nrequests; |
| size_t tcache_bytes; |
| 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. */ |
| emitter_col_t decay_type; |
| emitter_col_init(&decay_type, &decay_row); |
| decay_type.justify = emitter_justify_right; |
| decay_type.width = 9; |
| decay_type.type = emitter_type_title; |
| decay_type.str_val = "decaying:"; |
| |
| emitter_col_t decay_time; |
| emitter_col_init(&decay_time, &decay_row); |
| decay_time.justify = emitter_justify_right; |
| decay_time.width = 6; |
| decay_time.type = emitter_type_title; |
| decay_time.str_val = "time"; |
| |
| emitter_col_t decay_npages; |
| emitter_col_init(&decay_npages, &decay_row); |
| decay_npages.justify = emitter_justify_right; |
| decay_npages.width = 13; |
| decay_npages.type = emitter_type_title; |
| decay_npages.str_val = "npages"; |
| |
| emitter_col_t decay_sweeps; |
| emitter_col_init(&decay_sweeps, &decay_row); |
| decay_sweeps.justify = emitter_justify_right; |
| decay_sweeps.width = 13; |
| decay_sweeps.type = emitter_type_title; |
| decay_sweeps.str_val = "sweeps"; |
| |
| emitter_col_t decay_madvises; |
| emitter_col_init(&decay_madvises, &decay_row); |
| decay_madvises.justify = emitter_justify_right; |
| decay_madvises.width = 13; |
| decay_madvises.type = emitter_type_title; |
| decay_madvises.str_val = "madvises"; |
| |
| emitter_col_t decay_purged; |
| emitter_col_init(&decay_purged, &decay_row); |
| decay_purged.justify = emitter_justify_right; |
| decay_purged.width = 13; |
| decay_purged.type = emitter_type_title; |
| decay_purged.str_val = "purged"; |
| |
| /* Title row. */ |
| emitter_table_row(emitter, &decay_row); |
| |
| /* Dirty row. */ |
| decay_type.str_val = "dirty:"; |
| |
| if (dirty_decay_ms >= 0) { |
| decay_time.type = emitter_type_ssize; |
| decay_time.ssize_val = dirty_decay_ms; |
| } else { |
| decay_time.type = emitter_type_title; |
| decay_time.str_val = "N/A"; |
| } |
| |
| decay_npages.type = emitter_type_size; |
| decay_npages.size_val = pdirty; |
| |
| decay_sweeps.type = emitter_type_uint64; |
| decay_sweeps.uint64_val = dirty_npurge; |
| |
| decay_madvises.type = emitter_type_uint64; |
| decay_madvises.uint64_val = dirty_nmadvise; |
| |
| decay_purged.type = emitter_type_uint64; |
| decay_purged.uint64_val = dirty_purged; |
| |
| emitter_table_row(emitter, &decay_row); |
| |
| /* Muzzy row. */ |
| decay_type.str_val = "muzzy:"; |
| |
| if (muzzy_decay_ms >= 0) { |
| decay_time.type = emitter_type_ssize; |
| decay_time.ssize_val = muzzy_decay_ms; |
| } else { |
| decay_time.type = emitter_type_title; |
| decay_time.str_val = "N/A"; |
| } |
| |
| decay_npages.type = emitter_type_size; |
| decay_npages.size_val = pmuzzy; |
| |
| decay_sweeps.type = emitter_type_uint64; |
| decay_sweeps.uint64_val = muzzy_npurge; |
| |
| decay_madvises.type = emitter_type_uint64; |
| decay_madvises.uint64_val = muzzy_nmadvise; |
| |
| decay_purged.type = emitter_type_uint64; |
| 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); |
| |
| emitter_col_t alloc_count_title; |
| emitter_col_init(&alloc_count_title, &alloc_count_row); |
| alloc_count_title.justify = emitter_justify_left; |
| alloc_count_title.width = 25; |
| alloc_count_title.type = emitter_type_title; |
| alloc_count_title.str_val = ""; |
| |
| emitter_col_t alloc_count_allocated; |
| emitter_col_init(&alloc_count_allocated, &alloc_count_row); |
| alloc_count_allocated.justify = emitter_justify_right; |
| alloc_count_allocated.width = 12; |
| alloc_count_allocated.type = emitter_type_title; |
| alloc_count_allocated.str_val = "allocated"; |
| |
| emitter_col_t alloc_count_nmalloc; |
| emitter_col_init(&alloc_count_nmalloc, &alloc_count_row); |
| alloc_count_nmalloc.justify = emitter_justify_right; |
| alloc_count_nmalloc.width = 12; |
| alloc_count_nmalloc.type = emitter_type_title; |
| alloc_count_nmalloc.str_val = "nmalloc"; |
| |
| emitter_col_t alloc_count_ndalloc; |
| emitter_col_init(&alloc_count_ndalloc, &alloc_count_row); |
| alloc_count_ndalloc.justify = emitter_justify_right; |
| alloc_count_ndalloc.width = 12; |
| alloc_count_ndalloc.type = emitter_type_title; |
| alloc_count_ndalloc.str_val = "ndalloc"; |
| |
| emitter_col_t alloc_count_nrequests; |
| emitter_col_init(&alloc_count_nrequests, &alloc_count_row); |
| alloc_count_nrequests.justify = emitter_justify_right; |
| alloc_count_nrequests.width = 12; |
| alloc_count_nrequests.type = emitter_type_title; |
| alloc_count_nrequests.str_val = "nrequests"; |
| |
| emitter_table_row(emitter, &alloc_count_row); |
| |
| #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); \ |
| alloc_count_##name.type = emitter_type_##valtype; \ |
| alloc_count_##name.valtype##_val = small_or_large##_##name; |
| |
| emitter_json_dict_begin(emitter, "small"); |
| alloc_count_title.str_val = "small:"; |
| |
| GET_AND_EMIT_ALLOC_STAT(small, allocated, size) |
| GET_AND_EMIT_ALLOC_STAT(small, nmalloc, uint64) |
| GET_AND_EMIT_ALLOC_STAT(small, ndalloc, uint64) |
| GET_AND_EMIT_ALLOC_STAT(small, nrequests, uint64) |
| |
| emitter_table_row(emitter, &alloc_count_row); |
| emitter_json_dict_end(emitter); /* Close "small". */ |
| |
| emitter_json_dict_begin(emitter, "large"); |
| alloc_count_title.str_val = "large:"; |
| |
| GET_AND_EMIT_ALLOC_STAT(large, allocated, size) |
| GET_AND_EMIT_ALLOC_STAT(large, nmalloc, uint64) |
| GET_AND_EMIT_ALLOC_STAT(large, ndalloc, uint64) |
| GET_AND_EMIT_ALLOC_STAT(large, nrequests, uint64) |
| |
| emitter_table_row(emitter, &alloc_count_row); |
| emitter_json_dict_end(emitter); /* Close "large". */ |
| |
| #undef GET_AND_EMIT_ALLOC_STAT |
| |
| /* Aggregated small + large stats are emitter only in table mode. */ |
| alloc_count_title.str_val = "total:"; |
| alloc_count_allocated.size_val = small_allocated + large_allocated; |
| alloc_count_nmalloc.uint64_val = small_nmalloc + large_nmalloc; |
| alloc_count_ndalloc.uint64_val = small_ndalloc + large_ndalloc; |
| alloc_count_nrequests.uint64_val = small_nrequests + large_nrequests; |
| 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 = 25; |
| 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 = 12; |
| 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(resident) |
| #undef GET_AND_EMIT_MEM_STAT |
| |
| if (mutex) { |
| stats_arena_mutexes_print(emitter, i); |
| } |
| if (bins) { |
| stats_arena_bins_print(emitter, mutex, i); |
| } |
| if (large) { |
| stats_arena_lextents_print(emitter, i); |
| } |
| } |
| |
| static void |
| stats_general_print(emitter_t *emitter) { |
| const char *cpv; |
| bool bv, bv2; |
| unsigned uv; |
| uint32_t u32v; |
| uint64_t u64v; |
| ssize_t ssv, ssv2; |
| size_t sv, bsz, usz, ssz, sssz, cpsz; |
| |
| bsz = sizeof(bool); |
| usz = sizeof(unsigned); |
| ssz = sizeof(size_t); |
| sssz = sizeof(ssize_t); |
| cpsz = sizeof(const char *); |
| |
| 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(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_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("retain") |
| OPT_WRITE_CHAR_P("dss") |
| OPT_WRITE_UNSIGNED("narenas") |
| OPT_WRITE_CHAR_P("percpu_arena") |
| OPT_WRITE_CHAR_P("metadata_thp") |
| 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_UNSIGNED("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("tcache") |
| OPT_WRITE_SSIZE_T("lg_tcache_max") |
| 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("stats_print") |
| OPT_WRITE_CHAR_P("stats_print_opts") |
| |
| 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_dict_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 nbins; |
| CTL_GET("arenas.nbins", &nbins, unsigned); |
| emitter_kv(emitter, "nbins", "Number of bin size classes", |
| emitter_type_unsigned, &nbins); |
| |
| unsigned nhbins; |
| CTL_GET("arenas.nhbins", &nhbins, unsigned); |
| emitter_kv(emitter, "nhbins", "Number of thread-cache bin size classes", |
| emitter_type_unsigned, &nhbins); |
| |
| /* |
| * We do enough mallctls in a loop that we actually want to omit them |
| * (not just omit the printing). |
| */ |
| if (emitter->output == emitter_output_json) { |
| emitter_json_arr_begin(emitter, "bin"); |
| for (unsigned i = 0; i < nbins; i++) { |
| emitter_json_arr_obj_begin(emitter); |
| |
| CTL_M2_GET("arenas.bin.0.size", i, &sv, size_t); |
| emitter_json_kv(emitter, "size", emitter_type_size, |
| &sv); |
| |
| CTL_M2_GET("arenas.bin.0.nregs", i, &u32v, uint32_t); |
| emitter_json_kv(emitter, "nregs", emitter_type_uint32, |
| &u32v); |
| |
| CTL_M2_GET("arenas.bin.0.slab_size", i, &sv, size_t); |
| emitter_json_kv(emitter, "slab_size", emitter_type_size, |
| &sv); |
| |
| emitter_json_arr_obj_end(emitter); |
| } |
| emitter_json_arr_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->output == emitter_output_json) { |
| emitter_json_arr_begin(emitter, "lextent"); |
| for (unsigned i = 0; i < nlextents; i++) { |
| emitter_json_arr_obj_begin(emitter); |
| |
| CTL_M2_GET("arenas.lextent.0.size", i, &sv, size_t); |
| emitter_json_kv(emitter, "size", emitter_type_size, |
| &sv); |
| |
| emitter_json_arr_obj_end(emitter); |
| } |
| emitter_json_arr_end(emitter); /* Close "lextent". */ |
| } |
| |
| emitter_json_dict_end(emitter); /* Close "arenas" */ |
| } |
| |
| static void |
| stats_print_helper(emitter_t *emitter, bool merged, bool destroyed, |
| bool unmerged, bool bins, bool large, bool mutex) { |
| /* |
| * 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; |
| 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); |
| |
| 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_dict_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_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); |
| |
| /* Background thread stats. */ |
| emitter_json_dict_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_dict_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]; |
| |
| emitter_row_init(&row); |
| mutex_stats_init_cols(&row, "", &name, col64, col32); |
| |
| emitter_table_row(emitter, &row); |
| emitter_json_dict_begin(emitter, "mutexes"); |
| |
| for (int i = 0; i < mutex_prof_num_global_mutexes; i++) { |
| mutex_stats_read_global(global_mutex_names[i], &name, |
| col64, col32); |
| emitter_json_dict_begin(emitter, global_mutex_names[i]); |
| mutex_stats_emit(emitter, &row, col64, col32); |
| emitter_json_dict_end(emitter); |
| } |
| |
| emitter_json_dict_end(emitter); /* Close "mutexes". */ |
| } |
| |
| emitter_json_dict_end(emitter); /* Close "stats". */ |
| |
| if (merged || destroyed || unmerged) { |
| unsigned narenas; |
| |
| emitter_json_dict_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_dict_begin(emitter, "merged"); |
| stats_arena_print(emitter, MALLCTL_ARENAS_ALL, bins, |
| large, mutex); |
| emitter_json_dict_end(emitter); /* Close "merged". */ |
| } |
| |
| /* Destroyed stats. */ |
| if (destroyed_initialized && destroyed) { |
| /* Print destroyed arena stats. */ |
| emitter_table_printf(emitter, |
| "Destroyed arenas stats:\n"); |
| emitter_json_dict_begin(emitter, "destroyed"); |
| stats_arena_print(emitter, MALLCTL_ARENAS_DESTROYED, |
| bins, large, mutex); |
| emitter_json_dict_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_dict_begin(emitter, |
| arena_ind_str); |
| emitter_table_printf(emitter, |
| "arenas[%s]:\n", arena_ind_str); |
| stats_arena_print(emitter, i, bins, |
| large, mutex); |
| /* Close "<arena-ind>". */ |
| emitter_json_dict_end(emitter); |
| } |
| } |
| } |
| emitter_json_dict_end(emitter); /* Close "stats.arenas". */ |
| } |
| } |
| |
| void |
| stats_print(void (*write_cb)(void *, const char *), 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 : emitter_output_table, write_cb, |
| cbopaque); |
| emitter_begin(&emitter); |
| emitter_table_printf(&emitter, "___ Begin jemalloc statistics ___\n"); |
| emitter_json_dict_begin(&emitter, "jemalloc"); |
| |
| if (general) { |
| stats_general_print(&emitter); |
| } |
| if (config_stats) { |
| stats_print_helper(&emitter, merged, destroyed, unmerged, |
| bins, large, mutex); |
| } |
| |
| emitter_json_dict_end(&emitter); /* Closes the "jemalloc" dict. */ |
| emitter_table_printf(&emitter, "--- End jemalloc statistics ---\n"); |
| emitter_end(&emitter); |
| } |