1290 lines
40 KiB
C
1290 lines
40 KiB
C
#define JEMALLOC_STATS_C_
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#include "jemalloc/internal/jemalloc_preamble.h"
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#include "jemalloc/internal/jemalloc_internal_includes.h"
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#include "jemalloc/internal/assert.h"
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#include "jemalloc/internal/ctl.h"
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#include "jemalloc/internal/emitter.h"
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#include "jemalloc/internal/mutex.h"
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#include "jemalloc/internal/mutex_prof.h"
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const char *global_mutex_names[mutex_prof_num_global_mutexes] = {
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#define OP(mtx) #mtx,
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MUTEX_PROF_GLOBAL_MUTEXES
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#undef OP
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};
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const char *arena_mutex_names[mutex_prof_num_arena_mutexes] = {
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#define OP(mtx) #mtx,
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MUTEX_PROF_ARENA_MUTEXES
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#undef OP
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};
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#define CTL_GET(n, v, t) do { \
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size_t sz = sizeof(t); \
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xmallctl(n, (void *)v, &sz, NULL, 0); \
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} while (0)
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#define CTL_M2_GET(n, i, v, t) do { \
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size_t mib[CTL_MAX_DEPTH]; \
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size_t miblen = sizeof(mib) / sizeof(size_t); \
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size_t sz = sizeof(t); \
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xmallctlnametomib(n, mib, &miblen); \
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mib[2] = (i); \
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xmallctlbymib(mib, miblen, (void *)v, &sz, NULL, 0); \
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} while (0)
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#define CTL_M2_M4_GET(n, i, j, v, t) do { \
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size_t mib[CTL_MAX_DEPTH]; \
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size_t miblen = sizeof(mib) / sizeof(size_t); \
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size_t sz = sizeof(t); \
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xmallctlnametomib(n, mib, &miblen); \
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mib[2] = (i); \
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mib[4] = (j); \
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xmallctlbymib(mib, miblen, (void *)v, &sz, NULL, 0); \
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} while (0)
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/******************************************************************************/
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/* Data. */
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bool opt_stats_print = false;
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char opt_stats_print_opts[stats_print_tot_num_options+1] = "";
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/******************************************************************************/
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/* Calculate x.yyy and output a string (takes a fixed sized char array). */
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static bool
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get_rate_str(uint64_t dividend, uint64_t divisor, char str[6]) {
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if (divisor == 0 || dividend > divisor) {
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/* The rate is not supposed to be greater than 1. */
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return true;
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}
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if (dividend > 0) {
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assert(UINT64_MAX / dividend >= 1000);
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}
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unsigned n = (unsigned)((dividend * 1000) / divisor);
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if (n < 10) {
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malloc_snprintf(str, 6, "0.00%u", n);
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} else if (n < 100) {
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malloc_snprintf(str, 6, "0.0%u", n);
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} else if (n < 1000) {
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malloc_snprintf(str, 6, "0.%u", n);
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} else {
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malloc_snprintf(str, 6, "1");
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}
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return false;
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}
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#define MUTEX_CTL_STR_MAX_LENGTH 128
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static void
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gen_mutex_ctl_str(char *str, size_t buf_len, const char *prefix,
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const char *mutex, const char *counter) {
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malloc_snprintf(str, buf_len, "stats.%s.%s.%s", prefix, mutex, counter);
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}
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static void
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mutex_stats_init_cols(emitter_row_t *row, const char *table_name,
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emitter_col_t *name,
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emitter_col_t col_uint64_t[mutex_prof_num_uint64_t_counters],
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emitter_col_t col_uint32_t[mutex_prof_num_uint32_t_counters]) {
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mutex_prof_uint64_t_counter_ind_t k_uint64_t = 0;
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mutex_prof_uint32_t_counter_ind_t k_uint32_t = 0;
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emitter_col_t *col;
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if (name != NULL) {
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emitter_col_init(name, row);
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name->justify = emitter_justify_left;
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name->width = 21;
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name->type = emitter_type_title;
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name->str_val = table_name;
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}
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#define WIDTH_uint32_t 12
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#define WIDTH_uint64_t 16
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#define OP(counter, counter_type, human) \
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col = &col_##counter_type[k_##counter_type]; \
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++k_##counter_type; \
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emitter_col_init(col, row); \
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col->justify = emitter_justify_right; \
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col->width = WIDTH_##counter_type; \
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col->type = emitter_type_title; \
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col->str_val = human;
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MUTEX_PROF_COUNTERS
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#undef OP
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#undef WIDTH_uint32_t
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#undef WIDTH_uint64_t
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}
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static void
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mutex_stats_read_global(const char *name, emitter_col_t *col_name,
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emitter_col_t col_uint64_t[mutex_prof_num_uint64_t_counters],
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emitter_col_t col_uint32_t[mutex_prof_num_uint32_t_counters]) {
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char cmd[MUTEX_CTL_STR_MAX_LENGTH];
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col_name->str_val = name;
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emitter_col_t *dst;
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#define EMITTER_TYPE_uint32_t emitter_type_uint32
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#define EMITTER_TYPE_uint64_t emitter_type_uint64
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#define OP(counter, counter_type, human) \
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dst = &col_##counter_type[mutex_counter_##counter]; \
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dst->type = EMITTER_TYPE_##counter_type; \
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gen_mutex_ctl_str(cmd, MUTEX_CTL_STR_MAX_LENGTH, \
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"mutexes", name, #counter); \
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CTL_GET(cmd, (counter_type *)&dst->bool_val, counter_type);
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MUTEX_PROF_COUNTERS
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#undef OP
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#undef EMITTER_TYPE_uint32_t
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#undef EMITTER_TYPE_uint64_t
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}
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static void
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mutex_stats_read_arena(unsigned arena_ind, mutex_prof_arena_ind_t mutex_ind,
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const char *name, emitter_col_t *col_name,
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emitter_col_t col_uint64_t[mutex_prof_num_uint64_t_counters],
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emitter_col_t col_uint32_t[mutex_prof_num_uint32_t_counters]) {
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char cmd[MUTEX_CTL_STR_MAX_LENGTH];
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col_name->str_val = name;
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emitter_col_t *dst;
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#define EMITTER_TYPE_uint32_t emitter_type_uint32
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#define EMITTER_TYPE_uint64_t emitter_type_uint64
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#define OP(counter, counter_type, human) \
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dst = &col_##counter_type[mutex_counter_##counter]; \
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dst->type = EMITTER_TYPE_##counter_type; \
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gen_mutex_ctl_str(cmd, MUTEX_CTL_STR_MAX_LENGTH, \
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"arenas.0.mutexes", arena_mutex_names[mutex_ind], #counter);\
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CTL_M2_GET(cmd, arena_ind, \
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(counter_type *)&dst->bool_val, counter_type);
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MUTEX_PROF_COUNTERS
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#undef OP
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#undef EMITTER_TYPE_uint32_t
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#undef EMITTER_TYPE_uint64_t
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}
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static void
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mutex_stats_read_arena_bin(unsigned arena_ind, unsigned bin_ind,
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emitter_col_t col_uint64_t[mutex_prof_num_uint64_t_counters],
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emitter_col_t col_uint32_t[mutex_prof_num_uint32_t_counters]) {
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char cmd[MUTEX_CTL_STR_MAX_LENGTH];
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emitter_col_t *dst;
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#define EMITTER_TYPE_uint32_t emitter_type_uint32
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#define EMITTER_TYPE_uint64_t emitter_type_uint64
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#define OP(counter, counter_type, human) \
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dst = &col_##counter_type[mutex_counter_##counter]; \
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dst->type = EMITTER_TYPE_##counter_type; \
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gen_mutex_ctl_str(cmd, MUTEX_CTL_STR_MAX_LENGTH, \
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"arenas.0.bins.0","mutex", #counter); \
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CTL_M2_M4_GET(cmd, arena_ind, bin_ind, \
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(counter_type *)&dst->bool_val, counter_type);
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MUTEX_PROF_COUNTERS
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#undef OP
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#undef EMITTER_TYPE_uint32_t
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#undef EMITTER_TYPE_uint64_t
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}
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/* "row" can be NULL to avoid emitting in table mode. */
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static void
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mutex_stats_emit(emitter_t *emitter, emitter_row_t *row,
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emitter_col_t col_uint64_t[mutex_prof_num_uint64_t_counters],
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emitter_col_t col_uint32_t[mutex_prof_num_uint32_t_counters]) {
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if (row != NULL) {
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emitter_table_row(emitter, row);
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}
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mutex_prof_uint64_t_counter_ind_t k_uint64_t = 0;
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mutex_prof_uint32_t_counter_ind_t k_uint32_t = 0;
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emitter_col_t *col;
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#define EMITTER_TYPE_uint32_t emitter_type_uint32
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#define EMITTER_TYPE_uint64_t emitter_type_uint64
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#define OP(counter, type, human) \
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col = &col_##type[k_##type]; \
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++k_##type; \
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emitter_json_kv(emitter, #counter, EMITTER_TYPE_##type, \
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(const void *)&col->bool_val);
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MUTEX_PROF_COUNTERS;
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#undef OP
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#undef EMITTER_TYPE_uint32_t
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#undef EMITTER_TYPE_uint64_t
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}
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static void
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stats_arena_bins_print(emitter_t *emitter, bool mutex, unsigned i) {
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size_t page;
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bool in_gap, in_gap_prev;
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unsigned nbins, j;
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CTL_GET("arenas.page", &page, size_t);
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CTL_GET("arenas.nbins", &nbins, unsigned);
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emitter_row_t header_row;
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emitter_row_init(&header_row);
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emitter_row_t row;
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emitter_row_init(&row);
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#define COL(name, left_or_right, col_width, etype) \
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emitter_col_t col_##name; \
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emitter_col_init(&col_##name, &row); \
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col_##name.justify = emitter_justify_##left_or_right; \
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col_##name.width = col_width; \
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col_##name.type = emitter_type_##etype; \
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emitter_col_t header_col_##name; \
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emitter_col_init(&header_col_##name, &header_row); \
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header_col_##name.justify = emitter_justify_##left_or_right; \
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header_col_##name.width = col_width; \
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header_col_##name.type = emitter_type_title; \
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header_col_##name.str_val = #name;
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COL(size, right, 20, size)
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COL(ind, right, 4, unsigned)
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COL(allocated, right, 13, uint64)
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COL(nmalloc, right, 13, uint64)
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COL(ndalloc, right, 13, uint64)
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COL(nrequests, right, 13, uint64)
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COL(curregs, right, 13, size)
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COL(curslabs, right, 13, size)
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COL(regs, right, 5, unsigned)
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COL(pgs, right, 4, size)
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/* To buffer a right- and left-justified column. */
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COL(justify_spacer, right, 1, title)
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COL(util, right, 6, title)
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COL(nfills, right, 13, uint64)
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COL(nflushes, right, 13, uint64)
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COL(nslabs, right, 13, uint64)
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COL(nreslabs, right, 13, uint64)
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#undef COL
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/* Don't want to actually print the name. */
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header_col_justify_spacer.str_val = " ";
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col_justify_spacer.str_val = " ";
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emitter_col_t col_mutex64[mutex_prof_num_uint64_t_counters];
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emitter_col_t col_mutex32[mutex_prof_num_uint32_t_counters];
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emitter_col_t header_mutex64[mutex_prof_num_uint64_t_counters];
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emitter_col_t header_mutex32[mutex_prof_num_uint32_t_counters];
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if (mutex) {
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mutex_stats_init_cols(&row, NULL, NULL, col_mutex64,
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col_mutex32);
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mutex_stats_init_cols(&header_row, NULL, NULL, header_mutex64,
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header_mutex32);
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}
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/*
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* We print a "bins:" header as part of the table row; we need to adjust
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* the header size column to compensate.
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*/
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header_col_size.width -=5;
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emitter_table_printf(emitter, "bins:");
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emitter_table_row(emitter, &header_row);
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emitter_json_arr_begin(emitter, "bins");
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for (j = 0, in_gap = false; j < nbins; j++) {
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uint64_t nslabs;
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size_t reg_size, slab_size, curregs;
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size_t curslabs;
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uint32_t nregs;
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uint64_t nmalloc, ndalloc, nrequests, nfills, nflushes;
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uint64_t nreslabs;
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CTL_M2_M4_GET("stats.arenas.0.bins.0.nslabs", i, j, &nslabs,
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uint64_t);
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in_gap_prev = in_gap;
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in_gap = (nslabs == 0);
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if (in_gap_prev && !in_gap) {
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emitter_table_printf(emitter,
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" ---\n");
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}
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CTL_M2_GET("arenas.bin.0.size", j, ®_size, size_t);
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CTL_M2_GET("arenas.bin.0.nregs", j, &nregs, uint32_t);
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CTL_M2_GET("arenas.bin.0.slab_size", j, &slab_size, size_t);
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CTL_M2_M4_GET("stats.arenas.0.bins.0.nmalloc", i, j, &nmalloc,
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uint64_t);
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CTL_M2_M4_GET("stats.arenas.0.bins.0.ndalloc", i, j, &ndalloc,
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uint64_t);
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CTL_M2_M4_GET("stats.arenas.0.bins.0.curregs", i, j, &curregs,
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size_t);
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CTL_M2_M4_GET("stats.arenas.0.bins.0.nrequests", i, j,
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&nrequests, uint64_t);
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CTL_M2_M4_GET("stats.arenas.0.bins.0.nfills", i, j, &nfills,
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uint64_t);
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CTL_M2_M4_GET("stats.arenas.0.bins.0.nflushes", i, j, &nflushes,
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uint64_t);
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CTL_M2_M4_GET("stats.arenas.0.bins.0.nreslabs", i, j, &nreslabs,
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uint64_t);
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CTL_M2_M4_GET("stats.arenas.0.bins.0.curslabs", i, j, &curslabs,
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size_t);
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if (mutex) {
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mutex_stats_read_arena_bin(i, j, col_mutex64,
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col_mutex32);
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}
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emitter_json_arr_obj_begin(emitter);
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emitter_json_kv(emitter, "nmalloc", emitter_type_uint64,
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&nmalloc);
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emitter_json_kv(emitter, "ndalloc", emitter_type_uint64,
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&ndalloc);
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emitter_json_kv(emitter, "curregs", emitter_type_size,
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&curregs);
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emitter_json_kv(emitter, "nrequests", emitter_type_uint64,
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&nrequests);
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emitter_json_kv(emitter, "nfills", emitter_type_uint64,
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&nfills);
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emitter_json_kv(emitter, "nflushes", emitter_type_uint64,
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&nflushes);
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emitter_json_kv(emitter, "nreslabs", emitter_type_uint64,
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&nreslabs);
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emitter_json_kv(emitter, "curslabs", emitter_type_size,
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&curslabs);
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if (mutex) {
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emitter_json_dict_begin(emitter, "mutex");
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mutex_stats_emit(emitter, NULL, col_mutex64,
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col_mutex32);
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emitter_json_dict_end(emitter);
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}
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emitter_json_arr_obj_end(emitter);
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size_t availregs = nregs * curslabs;
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char util[6];
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if (get_rate_str((uint64_t)curregs, (uint64_t)availregs, util))
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{
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if (availregs == 0) {
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malloc_snprintf(util, sizeof(util), "1");
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} else if (curregs > availregs) {
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/*
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* Race detected: the counters were read in
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* separate mallctl calls and concurrent
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* operations happened in between. In this case
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* no meaningful utilization can be computed.
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*/
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malloc_snprintf(util, sizeof(util), " race");
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} else {
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not_reached();
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}
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}
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col_size.size_val = reg_size;
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col_ind.unsigned_val = j;
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col_allocated.size_val = curregs * reg_size;
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col_nmalloc.uint64_val = nmalloc;
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col_ndalloc.uint64_val = ndalloc;
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col_nrequests.uint64_val = nrequests;
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col_curregs.size_val = curregs;
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col_curslabs.size_val = curslabs;
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col_regs.unsigned_val = nregs;
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col_pgs.size_val = slab_size / page;
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col_util.str_val = util;
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col_nfills.uint64_val = nfills;
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col_nflushes.uint64_val = nflushes;
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col_nslabs.uint64_val = nslabs;
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col_nreslabs.uint64_val = nreslabs;
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/*
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* Note that mutex columns were initialized above, if mutex ==
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* true.
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*/
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emitter_table_row(emitter, &row);
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}
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emitter_json_arr_end(emitter); /* Close "bins". */
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if (in_gap) {
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emitter_table_printf(emitter, " ---\n");
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}
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}
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static void
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stats_arena_lextents_print(emitter_t *emitter, unsigned i) {
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unsigned nbins, nlextents, j;
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bool in_gap, in_gap_prev;
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CTL_GET("arenas.nbins", &nbins, unsigned);
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CTL_GET("arenas.nlextents", &nlextents, unsigned);
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emitter_row_t header_row;
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emitter_row_init(&header_row);
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emitter_row_t row;
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emitter_row_init(&row);
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#define COL(name, left_or_right, col_width, etype) \
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emitter_col_t header_##name; \
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emitter_col_init(&header_##name, &header_row); \
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header_##name.justify = emitter_justify_##left_or_right; \
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header_##name.width = col_width; \
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header_##name.type = emitter_type_title; \
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header_##name.str_val = #name; \
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\
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emitter_col_t col_##name; \
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emitter_col_init(&col_##name, &row); \
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col_##name.justify = emitter_justify_##left_or_right; \
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col_##name.width = col_width; \
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col_##name.type = emitter_type_##etype;
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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 = 21;
|
|
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 = 16;
|
|
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 = 16;
|
|
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 = 16;
|
|
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 = 16;
|
|
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 = 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(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_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("retain")
|
|
OPT_WRITE_CHAR_P("dss")
|
|
OPT_WRITE_UNSIGNED("narenas")
|
|
OPT_WRITE_CHAR_P("percpu_arena")
|
|
OPT_WRITE_SIZE_T("experimental_huge_threshold")
|
|
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_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("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);
|
|
}
|