1300 lines
39 KiB
C
1300 lines
39 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/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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read_arena_bin_mutex_stats(unsigned arena_ind, unsigned bin_ind,
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uint64_t results[mutex_prof_num_counters]) {
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char cmd[MUTEX_CTL_STR_MAX_LENGTH];
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#define OP(c, t) \
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gen_mutex_ctl_str(cmd, MUTEX_CTL_STR_MAX_LENGTH, \
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"arenas.0.bins.0","mutex", #c); \
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CTL_M2_M4_GET(cmd, arena_ind, bin_ind, \
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(t *)&results[mutex_counter_##c], t);
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MUTEX_PROF_COUNTERS
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#undef OP
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}
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static void
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mutex_stats_output_json(void (*write_cb)(void *, const char *), void *cbopaque,
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const char *name, uint64_t stats[mutex_prof_num_counters],
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const char *json_indent, bool last) {
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malloc_cprintf(write_cb, cbopaque, "%s\"%s\": {\n", json_indent, name);
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mutex_prof_counter_ind_t k = 0;
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char *fmt_str[2] = {"%s\t\"%s\": %"FMTu32"%s\n",
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"%s\t\"%s\": %"FMTu64"%s\n"};
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#define OP(c, t) \
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malloc_cprintf(write_cb, cbopaque, \
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fmt_str[sizeof(t) / sizeof(uint32_t) - 1], \
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json_indent, #c, (t)stats[mutex_counter_##c], \
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(++k == mutex_prof_num_counters) ? "" : ",");
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MUTEX_PROF_COUNTERS
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#undef OP
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malloc_cprintf(write_cb, cbopaque, "%s}%s\n", json_indent,
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last ? "" : ",");
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}
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static void
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stats_arena_bins_print(void (*write_cb)(void *, const char *), void *cbopaque,
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bool json, bool large, 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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if (json) {
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malloc_cprintf(write_cb, cbopaque,
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"\t\t\t\t\"bins\": [\n");
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} else {
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char *mutex_counters = " n_lock_ops n_waiting"
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" n_spin_acq max_wait_ns\n";
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malloc_cprintf(write_cb, cbopaque,
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"bins: size ind allocated nmalloc"
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" ndalloc nrequests curregs curslabs regs"
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" pgs util nfills nflushes newslabs"
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" reslabs%s", mutex ? mutex_counters : "\n");
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}
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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 (!json && in_gap_prev && !in_gap) {
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malloc_cprintf(write_cb, cbopaque,
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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 (json) {
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malloc_cprintf(write_cb, cbopaque,
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"\t\t\t\t\t{\n"
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"\t\t\t\t\t\t\"nmalloc\": %"FMTu64",\n"
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"\t\t\t\t\t\t\"ndalloc\": %"FMTu64",\n"
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"\t\t\t\t\t\t\"curregs\": %zu,\n"
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"\t\t\t\t\t\t\"nrequests\": %"FMTu64",\n"
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"\t\t\t\t\t\t\"nfills\": %"FMTu64",\n"
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"\t\t\t\t\t\t\"nflushes\": %"FMTu64",\n"
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"\t\t\t\t\t\t\"nreslabs\": %"FMTu64",\n"
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"\t\t\t\t\t\t\"curslabs\": %zu%s\n",
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nmalloc, ndalloc, curregs, nrequests, nfills,
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nflushes, nreslabs, curslabs, mutex ? "," : "");
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if (mutex) {
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uint64_t mutex_stats[mutex_prof_num_counters];
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read_arena_bin_mutex_stats(i, j, mutex_stats);
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mutex_stats_output_json(write_cb, cbopaque,
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"mutex", mutex_stats, "\t\t\t\t\t\t", true);
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}
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malloc_cprintf(write_cb, cbopaque,
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"\t\t\t\t\t}%s\n",
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(j + 1 < nbins) ? "," : "");
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} else if (!in_gap) {
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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,
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util)) {
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if (availregs == 0) {
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malloc_snprintf(util, sizeof(util),
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"1");
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} else if (curregs > availregs) {
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/*
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* Race detected: the counters were read
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* in separate mallctl calls and
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* concurrent operations happened in
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* between. In this case no meaningful
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* utilization can be computed.
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*/
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malloc_snprintf(util, sizeof(util),
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" race");
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} else {
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not_reached();
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}
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}
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/* Output less info for bin mutexes to save space. */
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uint64_t num_ops, num_wait, max_wait;
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CTL_M2_M4_GET("stats.arenas.0.bins.0.mutex.num_wait",
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i, j, &num_wait, uint64_t);
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CTL_M2_M4_GET(
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"stats.arenas.0.bins.0.mutex.max_wait_time", i, j,
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&max_wait, uint64_t);
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CTL_M2_M4_GET("stats.arenas.0.bins.0.mutex.num_ops",
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i, j, &num_ops, uint64_t);
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uint64_t mutex_stats[mutex_prof_num_counters];
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if (mutex) {
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read_arena_bin_mutex_stats(i, j, mutex_stats);
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}
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char rate[6];
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if (get_rate_str(num_wait, num_ops, rate)) {
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if (num_ops == 0) {
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malloc_snprintf(rate, sizeof(rate),
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"0");
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}
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}
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malloc_cprintf(write_cb, cbopaque, "%20zu %3u %12zu %12"
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FMTu64" %12"FMTu64" %12"FMTu64" %12zu %12zu %4u"
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" %3zu %-5s %12"FMTu64" %12"FMTu64" %12"FMTu64
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" %12"FMTu64, reg_size, j, curregs * reg_size,
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nmalloc, ndalloc, nrequests, curregs, curslabs,
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nregs, slab_size / page, util, nfills, nflushes,
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nslabs, nreslabs);
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if (mutex) {
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malloc_cprintf(write_cb, cbopaque,
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" %12"FMTu64" %12"FMTu64" %12"FMTu64
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" %12"FMTu64"\n",
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mutex_stats[mutex_counter_num_ops],
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mutex_stats[mutex_counter_num_wait],
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mutex_stats[mutex_counter_num_spin_acq],
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mutex_stats[mutex_counter_max_wait_time]);
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} else {
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malloc_cprintf(write_cb, cbopaque, "\n");
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}
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}
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}
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if (json) {
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malloc_cprintf(write_cb, cbopaque,
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"\t\t\t\t]%s\n", large ? "," : "");
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} else {
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if (in_gap) {
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malloc_cprintf(write_cb, cbopaque,
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" ---\n");
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}
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}
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}
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static void
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stats_arena_lextents_print(void (*write_cb)(void *, const char *),
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void *cbopaque, bool json, 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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if (json) {
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malloc_cprintf(write_cb, cbopaque,
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"\t\t\t\t\"lextents\": [\n");
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} else {
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malloc_cprintf(write_cb, cbopaque,
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"large: size ind allocated nmalloc"
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" ndalloc nrequests curlextents\n");
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}
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for (j = 0, in_gap = false; j < nlextents; j++) {
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uint64_t nmalloc, ndalloc, nrequests;
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size_t lextent_size, curlextents;
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CTL_M2_M4_GET("stats.arenas.0.lextents.0.nmalloc", i, j,
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&nmalloc, uint64_t);
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CTL_M2_M4_GET("stats.arenas.0.lextents.0.ndalloc", i, j,
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&ndalloc, uint64_t);
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CTL_M2_M4_GET("stats.arenas.0.lextents.0.nrequests", i, j,
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&nrequests, uint64_t);
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in_gap_prev = in_gap;
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in_gap = (nrequests == 0);
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if (!json && in_gap_prev && !in_gap) {
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malloc_cprintf(write_cb, cbopaque,
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" ---\n");
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}
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CTL_M2_GET("arenas.lextent.0.size", j, &lextent_size, size_t);
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CTL_M2_M4_GET("stats.arenas.0.lextents.0.curlextents", i, j,
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&curlextents, size_t);
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if (json) {
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malloc_cprintf(write_cb, cbopaque,
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"\t\t\t\t\t{\n"
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"\t\t\t\t\t\t\"curlextents\": %zu\n"
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"\t\t\t\t\t}%s\n",
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curlextents,
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(j + 1 < nlextents) ? "," : "");
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} else if (!in_gap) {
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malloc_cprintf(write_cb, cbopaque,
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"%20zu %3u %12zu %12"FMTu64" %12"FMTu64
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" %12"FMTu64" %12zu\n",
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lextent_size, nbins + j,
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curlextents * lextent_size, nmalloc, ndalloc,
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nrequests, curlextents);
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}
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}
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if (json) {
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malloc_cprintf(write_cb, cbopaque,
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"\t\t\t\t]\n");
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} else {
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if (in_gap) {
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malloc_cprintf(write_cb, cbopaque,
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" ---\n");
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}
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}
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}
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static void
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read_arena_mutex_stats(unsigned arena_ind,
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uint64_t results[mutex_prof_num_arena_mutexes][mutex_prof_num_counters]) {
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char cmd[MUTEX_CTL_STR_MAX_LENGTH];
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mutex_prof_arena_ind_t i;
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for (i = 0; i < mutex_prof_num_arena_mutexes; i++) {
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#define OP(c, t) \
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gen_mutex_ctl_str(cmd, MUTEX_CTL_STR_MAX_LENGTH, \
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"arenas.0.mutexes", arena_mutex_names[i], #c); \
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CTL_M2_GET(cmd, arena_ind, \
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(t *)&results[i][mutex_counter_##c], t);
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MUTEX_PROF_COUNTERS
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#undef OP
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}
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}
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static void
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mutex_stats_output(void (*write_cb)(void *, const char *), void *cbopaque,
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const char *name, uint64_t stats[mutex_prof_num_counters],
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bool first_mutex) {
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if (first_mutex) {
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/* Print title. */
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malloc_cprintf(write_cb, cbopaque,
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" n_lock_ops n_waiting"
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" n_spin_acq n_owner_switch total_wait_ns"
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" max_wait_ns max_n_thds\n");
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}
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malloc_cprintf(write_cb, cbopaque, "%s", name);
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malloc_cprintf(write_cb, cbopaque, ":%*c",
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(int)(20 - strlen(name)), ' ');
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char *fmt_str[2] = {"%12"FMTu32, "%16"FMTu64};
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#define OP(c, t) \
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malloc_cprintf(write_cb, cbopaque, \
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fmt_str[sizeof(t) / sizeof(uint32_t) - 1], \
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(t)stats[mutex_counter_##c]);
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MUTEX_PROF_COUNTERS
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#undef OP
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malloc_cprintf(write_cb, cbopaque, "\n");
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}
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static void
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stats_arena_mutexes_print(void (*write_cb)(void *, const char *),
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void *cbopaque, bool json, bool json_end, unsigned arena_ind) {
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uint64_t mutex_stats[mutex_prof_num_arena_mutexes][mutex_prof_num_counters];
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read_arena_mutex_stats(arena_ind, mutex_stats);
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/* Output mutex stats. */
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if (json) {
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malloc_cprintf(write_cb, cbopaque, "\t\t\t\t\"mutexes\": {\n");
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mutex_prof_arena_ind_t i, last_mutex;
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last_mutex = mutex_prof_num_arena_mutexes - 1;
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for (i = 0; i < mutex_prof_num_arena_mutexes; i++) {
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mutex_stats_output_json(write_cb, cbopaque,
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arena_mutex_names[i], mutex_stats[i],
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"\t\t\t\t\t", (i == last_mutex));
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}
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malloc_cprintf(write_cb, cbopaque, "\t\t\t\t}%s\n",
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json_end ? "" : ",");
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} else {
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mutex_prof_arena_ind_t i;
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for (i = 0; i < mutex_prof_num_arena_mutexes; i++) {
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mutex_stats_output(write_cb, cbopaque,
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arena_mutex_names[i], mutex_stats[i], i == 0);
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}
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}
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}
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static void
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stats_arena_print(void (*write_cb)(void *, const char *), void *cbopaque,
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bool json, unsigned i, bool bins, bool large, bool mutex) {
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unsigned nthreads;
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const char *dss;
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ssize_t dirty_decay_ms, muzzy_decay_ms;
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size_t page, pactive, pdirty, pmuzzy, mapped, retained;
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size_t base, internal, resident;
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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);
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"nthreads\": %u,\n", nthreads);
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"assigned threads: %u\n", nthreads);
|
|
}
|
|
|
|
CTL_M2_GET("stats.arenas.0.uptime", i, &uptime, uint64_t);
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"uptime_ns\": %"FMTu64",\n", uptime);
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"uptime: %"FMTu64"\n", uptime);
|
|
}
|
|
|
|
CTL_M2_GET("stats.arenas.0.dss", i, &dss, const char *);
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"dss\": \"%s\",\n", dss);
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"dss allocation precedence: %s\n", 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);
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"dirty_decay_ms\": %zd,\n", dirty_decay_ms);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"muzzy_decay_ms\": %zd,\n", muzzy_decay_ms);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"pactive\": %zu,\n", pactive);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"pdirty\": %zu,\n", pdirty);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"pmuzzy\": %zu,\n", pmuzzy);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"dirty_npurge\": %"FMTu64",\n", dirty_npurge);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"dirty_nmadvise\": %"FMTu64",\n", dirty_nmadvise);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"dirty_purged\": %"FMTu64",\n", dirty_purged);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"muzzy_npurge\": %"FMTu64",\n", muzzy_npurge);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"muzzy_nmadvise\": %"FMTu64",\n", muzzy_nmadvise);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"muzzy_purged\": %"FMTu64",\n", muzzy_purged);
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"decaying: time npages sweeps madvises"
|
|
" purged\n");
|
|
if (dirty_decay_ms >= 0) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
" dirty: %5zd %12zu %12"FMTu64" %12"FMTu64" %12"
|
|
FMTu64"\n", dirty_decay_ms, pdirty, dirty_npurge,
|
|
dirty_nmadvise, dirty_purged);
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
" dirty: N/A %12zu %12"FMTu64" %12"FMTu64" %12"
|
|
FMTu64"\n", pdirty, dirty_npurge, dirty_nmadvise,
|
|
dirty_purged);
|
|
}
|
|
if (muzzy_decay_ms >= 0) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
" muzzy: %5zd %12zu %12"FMTu64" %12"FMTu64" %12"
|
|
FMTu64"\n", muzzy_decay_ms, pmuzzy, muzzy_npurge,
|
|
muzzy_nmadvise, muzzy_purged);
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
" muzzy: N/A %12zu %12"FMTu64" %12"FMTu64" %12"
|
|
FMTu64"\n", pmuzzy, muzzy_npurge, muzzy_nmadvise,
|
|
muzzy_purged);
|
|
}
|
|
}
|
|
|
|
CTL_M2_GET("stats.arenas.0.small.allocated", i, &small_allocated,
|
|
size_t);
|
|
CTL_M2_GET("stats.arenas.0.small.nmalloc", i, &small_nmalloc, uint64_t);
|
|
CTL_M2_GET("stats.arenas.0.small.ndalloc", i, &small_ndalloc, uint64_t);
|
|
CTL_M2_GET("stats.arenas.0.small.nrequests", i, &small_nrequests,
|
|
uint64_t);
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"small\": {\n");
|
|
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\t\"allocated\": %zu,\n", small_allocated);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\t\"nmalloc\": %"FMTu64",\n", small_nmalloc);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\t\"ndalloc\": %"FMTu64",\n", small_ndalloc);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\t\"nrequests\": %"FMTu64"\n", small_nrequests);
|
|
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t},\n");
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
" allocated nmalloc"
|
|
" ndalloc nrequests\n");
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"small: %12zu %12"FMTu64" %12"FMTu64
|
|
" %12"FMTu64"\n",
|
|
small_allocated, small_nmalloc, small_ndalloc,
|
|
small_nrequests);
|
|
}
|
|
|
|
CTL_M2_GET("stats.arenas.0.large.allocated", i, &large_allocated,
|
|
size_t);
|
|
CTL_M2_GET("stats.arenas.0.large.nmalloc", i, &large_nmalloc, uint64_t);
|
|
CTL_M2_GET("stats.arenas.0.large.ndalloc", i, &large_ndalloc, uint64_t);
|
|
CTL_M2_GET("stats.arenas.0.large.nrequests", i, &large_nrequests,
|
|
uint64_t);
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"large\": {\n");
|
|
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\t\"allocated\": %zu,\n", large_allocated);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\t\"nmalloc\": %"FMTu64",\n", large_nmalloc);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\t\"ndalloc\": %"FMTu64",\n", large_ndalloc);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\t\"nrequests\": %"FMTu64"\n", large_nrequests);
|
|
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t},\n");
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"large: %12zu %12"FMTu64" %12"FMTu64
|
|
" %12"FMTu64"\n",
|
|
large_allocated, large_nmalloc, large_ndalloc,
|
|
large_nrequests);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"total: %12zu %12"FMTu64" %12"FMTu64
|
|
" %12"FMTu64"\n",
|
|
small_allocated + large_allocated, small_nmalloc +
|
|
large_nmalloc, small_ndalloc + large_ndalloc,
|
|
small_nrequests + large_nrequests);
|
|
}
|
|
if (!json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"active: %12zu\n", pactive * page);
|
|
}
|
|
|
|
CTL_M2_GET("stats.arenas.0.mapped", i, &mapped, size_t);
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"mapped\": %zu,\n", mapped);
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"mapped: %12zu\n", mapped);
|
|
}
|
|
|
|
CTL_M2_GET("stats.arenas.0.retained", i, &retained, size_t);
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"retained\": %zu,\n", retained);
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"retained: %12zu\n", retained);
|
|
}
|
|
|
|
CTL_M2_GET("stats.arenas.0.base", i, &base, size_t);
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"base\": %zu,\n", base);
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"base: %12zu\n", base);
|
|
}
|
|
|
|
CTL_M2_GET("stats.arenas.0.internal", i, &internal, size_t);
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"internal\": %zu,\n", internal);
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"internal: %12zu\n", internal);
|
|
}
|
|
|
|
CTL_M2_GET("stats.arenas.0.tcache_bytes", i, &tcache_bytes, size_t);
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"tcache\": %zu,\n", tcache_bytes);
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"tcache: %12zu\n", tcache_bytes);
|
|
}
|
|
|
|
CTL_M2_GET("stats.arenas.0.resident", i, &resident, size_t);
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"resident\": %zu%s\n", resident,
|
|
(bins || large || mutex) ? "," : "");
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"resident: %12zu\n", resident);
|
|
}
|
|
|
|
if (mutex) {
|
|
stats_arena_mutexes_print(write_cb, cbopaque, json,
|
|
!(bins || large), i);
|
|
}
|
|
if (bins) {
|
|
stats_arena_bins_print(write_cb, cbopaque, json, large, mutex,
|
|
i);
|
|
}
|
|
if (large) {
|
|
stats_arena_lextents_print(write_cb, cbopaque, json, i);
|
|
}
|
|
}
|
|
|
|
static void
|
|
stats_general_print(void (*write_cb)(void *, const char *), void *cbopaque,
|
|
bool json, bool more) {
|
|
const char *cpv;
|
|
bool bv;
|
|
unsigned uv;
|
|
uint32_t u32v;
|
|
uint64_t u64v;
|
|
ssize_t ssv;
|
|
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 *);
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\"version\": \"%s\",\n", cpv);
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque, "Version: %s\n", cpv);
|
|
}
|
|
|
|
/* config. */
|
|
#define CONFIG_WRITE_BOOL_JSON(n, c) \
|
|
if (json) { \
|
|
CTL_GET("config."#n, &bv, bool); \
|
|
malloc_cprintf(write_cb, cbopaque, \
|
|
"\t\t\t\""#n"\": %s%s\n", bv ? "true" : "false", \
|
|
(c)); \
|
|
}
|
|
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\"config\": {\n");
|
|
}
|
|
|
|
CONFIG_WRITE_BOOL_JSON(cache_oblivious, ",")
|
|
|
|
CTL_GET("config.debug", &bv, bool);
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"debug\": %s,\n", bv ? "true" : "false");
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque, "Assertions %s\n",
|
|
bv ? "enabled" : "disabled");
|
|
}
|
|
|
|
CONFIG_WRITE_BOOL_JSON(fill, ",")
|
|
CONFIG_WRITE_BOOL_JSON(lazy_lock, ",")
|
|
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"malloc_conf\": \"%s\",\n",
|
|
config_malloc_conf);
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"config.malloc_conf: \"%s\"\n", config_malloc_conf);
|
|
}
|
|
|
|
CONFIG_WRITE_BOOL_JSON(prof, ",")
|
|
CONFIG_WRITE_BOOL_JSON(prof_libgcc, ",")
|
|
CONFIG_WRITE_BOOL_JSON(prof_libunwind, ",")
|
|
CONFIG_WRITE_BOOL_JSON(stats, ",")
|
|
CONFIG_WRITE_BOOL_JSON(thp, ",")
|
|
CONFIG_WRITE_BOOL_JSON(utrace, ",")
|
|
CONFIG_WRITE_BOOL_JSON(xmalloc, "")
|
|
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t},\n");
|
|
}
|
|
#undef CONFIG_WRITE_BOOL_JSON
|
|
|
|
/* opt. */
|
|
#define OPT_WRITE_BOOL(n, c) \
|
|
if (je_mallctl("opt."#n, (void *)&bv, &bsz, NULL, 0) == 0) { \
|
|
if (json) { \
|
|
malloc_cprintf(write_cb, cbopaque, \
|
|
"\t\t\t\""#n"\": %s%s\n", bv ? "true" : \
|
|
"false", (c)); \
|
|
} else { \
|
|
malloc_cprintf(write_cb, cbopaque, \
|
|
" opt."#n": %s\n", bv ? "true" : "false"); \
|
|
} \
|
|
}
|
|
#define OPT_WRITE_BOOL_MUTABLE(n, m, c) { \
|
|
bool bv2; \
|
|
if (je_mallctl("opt."#n, (void *)&bv, &bsz, NULL, 0) == 0 && \
|
|
je_mallctl(#m, (void *)&bv2, &bsz, NULL, 0) == 0) { \
|
|
if (json) { \
|
|
malloc_cprintf(write_cb, cbopaque, \
|
|
"\t\t\t\""#n"\": %s%s\n", bv ? "true" : \
|
|
"false", (c)); \
|
|
} else { \
|
|
malloc_cprintf(write_cb, cbopaque, \
|
|
" opt."#n": %s ("#m": %s)\n", bv ? "true" \
|
|
: "false", bv2 ? "true" : "false"); \
|
|
} \
|
|
} \
|
|
}
|
|
#define OPT_WRITE_UNSIGNED(n, c) \
|
|
if (je_mallctl("opt."#n, (void *)&uv, &usz, NULL, 0) == 0) { \
|
|
if (json) { \
|
|
malloc_cprintf(write_cb, cbopaque, \
|
|
"\t\t\t\""#n"\": %u%s\n", uv, (c)); \
|
|
} else { \
|
|
malloc_cprintf(write_cb, cbopaque, \
|
|
" opt."#n": %u\n", uv); \
|
|
} \
|
|
}
|
|
#define OPT_WRITE_SSIZE_T(n, c) \
|
|
if (je_mallctl("opt."#n, (void *)&ssv, &sssz, NULL, 0) == 0) { \
|
|
if (json) { \
|
|
malloc_cprintf(write_cb, cbopaque, \
|
|
"\t\t\t\""#n"\": %zd%s\n", ssv, (c)); \
|
|
} else { \
|
|
malloc_cprintf(write_cb, cbopaque, \
|
|
" opt."#n": %zd\n", ssv); \
|
|
} \
|
|
}
|
|
#define OPT_WRITE_SSIZE_T_MUTABLE(n, m, c) { \
|
|
ssize_t ssv2; \
|
|
if (je_mallctl("opt."#n, (void *)&ssv, &sssz, NULL, 0) == 0 && \
|
|
je_mallctl(#m, (void *)&ssv2, &sssz, NULL, 0) == 0) { \
|
|
if (json) { \
|
|
malloc_cprintf(write_cb, cbopaque, \
|
|
"\t\t\t\""#n"\": %zd%s\n", ssv, (c)); \
|
|
} else { \
|
|
malloc_cprintf(write_cb, cbopaque, \
|
|
" opt."#n": %zd ("#m": %zd)\n", \
|
|
ssv, ssv2); \
|
|
} \
|
|
} \
|
|
}
|
|
#define OPT_WRITE_CHAR_P(n, c) \
|
|
if (je_mallctl("opt."#n, (void *)&cpv, &cpsz, NULL, 0) == 0) { \
|
|
if (json) { \
|
|
malloc_cprintf(write_cb, cbopaque, \
|
|
"\t\t\t\""#n"\": \"%s\"%s\n", cpv, (c)); \
|
|
} else { \
|
|
malloc_cprintf(write_cb, cbopaque, \
|
|
" opt."#n": \"%s\"\n", cpv); \
|
|
} \
|
|
}
|
|
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\"opt\": {\n");
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"Run-time option settings:\n");
|
|
}
|
|
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_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_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_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, ",")
|
|
if (json || opt_stats_print) {
|
|
/*
|
|
* stats_print_opts is always emitted for JSON, so as long as it
|
|
* comes last it's safe to unconditionally omit the comma here
|
|
* (rather than having to conditionally omit it elsewhere
|
|
* depending on configuration).
|
|
*/
|
|
OPT_WRITE_CHAR_P(stats_print_opts, "")
|
|
}
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t},\n");
|
|
}
|
|
|
|
#undef OPT_WRITE_BOOL
|
|
#undef OPT_WRITE_BOOL_MUTABLE
|
|
#undef OPT_WRITE_SSIZE_T
|
|
#undef OPT_WRITE_CHAR_P
|
|
|
|
/* arenas. */
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\"arenas\": {\n");
|
|
}
|
|
|
|
CTL_GET("arenas.narenas", &uv, unsigned);
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"narenas\": %u,\n", uv);
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque, "Arenas: %u\n", uv);
|
|
}
|
|
|
|
if (json) {
|
|
CTL_GET("arenas.dirty_decay_ms", &ssv, ssize_t);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"dirty_decay_ms\": %zd,\n", ssv);
|
|
|
|
CTL_GET("arenas.muzzy_decay_ms", &ssv, ssize_t);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"muzzy_decay_ms\": %zd,\n", ssv);
|
|
}
|
|
|
|
CTL_GET("arenas.quantum", &sv, size_t);
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"quantum\": %zu,\n", sv);
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque, "Quantum size: %zu\n", sv);
|
|
}
|
|
|
|
CTL_GET("arenas.page", &sv, size_t);
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"page\": %zu,\n", sv);
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque, "Page size: %zu\n", sv);
|
|
}
|
|
|
|
if (je_mallctl("arenas.tcache_max", (void *)&sv, &ssz, NULL, 0) == 0) {
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"tcache_max\": %zu,\n", sv);
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"Maximum thread-cached size class: %zu\n", sv);
|
|
}
|
|
}
|
|
|
|
if (json) {
|
|
unsigned nbins, nlextents, i;
|
|
|
|
CTL_GET("arenas.nbins", &nbins, unsigned);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"nbins\": %u,\n", nbins);
|
|
|
|
CTL_GET("arenas.nhbins", &uv, unsigned);
|
|
malloc_cprintf(write_cb, cbopaque, "\t\t\t\"nhbins\": %u,\n",
|
|
uv);
|
|
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"bin\": [\n");
|
|
for (i = 0; i < nbins; i++) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t{\n");
|
|
|
|
CTL_M2_GET("arenas.bin.0.size", i, &sv, size_t);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\t\"size\": %zu,\n", sv);
|
|
|
|
CTL_M2_GET("arenas.bin.0.nregs", i, &u32v, uint32_t);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\t\"nregs\": %"FMTu32",\n", u32v);
|
|
|
|
CTL_M2_GET("arenas.bin.0.slab_size", i, &sv, size_t);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\t\"slab_size\": %zu\n", sv);
|
|
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t}%s\n", (i + 1 < nbins) ? "," : "");
|
|
}
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t],\n");
|
|
|
|
CTL_GET("arenas.nlextents", &nlextents, unsigned);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"nlextents\": %u,\n", nlextents);
|
|
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"lextent\": [\n");
|
|
for (i = 0; i < nlextents; i++) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t{\n");
|
|
|
|
CTL_M2_GET("arenas.lextent.0.size", i, &sv, size_t);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\t\"size\": %zu\n", sv);
|
|
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t}%s\n", (i + 1 < nlextents) ? "," : "");
|
|
}
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t]\n");
|
|
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t}%s\n", (config_prof || more) ? "," : "");
|
|
}
|
|
|
|
/* prof. */
|
|
if (config_prof && json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\"prof\": {\n");
|
|
|
|
CTL_GET("prof.thread_active_init", &bv, bool);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"thread_active_init\": %s,\n", bv ? "true" :
|
|
"false");
|
|
|
|
CTL_GET("prof.active", &bv, bool);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"active\": %s,\n", bv ? "true" : "false");
|
|
|
|
CTL_GET("prof.gdump", &bv, bool);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"gdump\": %s,\n", bv ? "true" : "false");
|
|
|
|
CTL_GET("prof.interval", &u64v, uint64_t);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"interval\": %"FMTu64",\n", u64v);
|
|
|
|
CTL_GET("prof.lg_sample", &ssv, ssize_t);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"lg_sample\": %zd\n", ssv);
|
|
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t}%s\n", more ? "," : "");
|
|
}
|
|
}
|
|
|
|
static void
|
|
read_global_mutex_stats(
|
|
uint64_t results[mutex_prof_num_global_mutexes][mutex_prof_num_counters]) {
|
|
char cmd[MUTEX_CTL_STR_MAX_LENGTH];
|
|
|
|
mutex_prof_global_ind_t i;
|
|
for (i = 0; i < mutex_prof_num_global_mutexes; i++) {
|
|
#define OP(c, t) \
|
|
gen_mutex_ctl_str(cmd, MUTEX_CTL_STR_MAX_LENGTH, \
|
|
"mutexes", global_mutex_names[i], #c); \
|
|
CTL_GET(cmd, (t *)&results[i][mutex_counter_##c], t);
|
|
MUTEX_PROF_COUNTERS
|
|
#undef OP
|
|
}
|
|
}
|
|
|
|
static void
|
|
stats_print_helper(void (*write_cb)(void *, const char *), void *cbopaque,
|
|
bool json, bool merged, bool destroyed, bool unmerged, bool bins,
|
|
bool large, bool mutex) {
|
|
size_t allocated, active, metadata, resident, mapped, retained;
|
|
size_t 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.resident", &resident, size_t);
|
|
CTL_GET("stats.mapped", &mapped, size_t);
|
|
CTL_GET("stats.retained", &retained, size_t);
|
|
|
|
uint64_t mutex_stats[mutex_prof_num_global_mutexes][mutex_prof_num_counters];
|
|
if (mutex) {
|
|
read_global_mutex_stats(mutex_stats);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\"stats\": {\n");
|
|
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"allocated\": %zu,\n", allocated);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"active\": %zu,\n", active);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"metadata\": %zu,\n", metadata);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"resident\": %zu,\n", resident);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"mapped\": %zu,\n", mapped);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"retained\": %zu,\n", retained);
|
|
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"background_thread\": {\n");
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"num_threads\": %zu,\n", num_background_threads);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"num_runs\": %"FMTu64",\n",
|
|
background_thread_num_runs);
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\t\"run_interval\": %"FMTu64"\n",
|
|
background_thread_run_interval);
|
|
malloc_cprintf(write_cb, cbopaque, "\t\t\t}%s\n",
|
|
mutex ? "," : "");
|
|
|
|
if (mutex) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"mutexes\": {\n");
|
|
mutex_prof_global_ind_t i;
|
|
for (i = 0; i < mutex_prof_num_global_mutexes; i++) {
|
|
mutex_stats_output_json(write_cb, cbopaque,
|
|
global_mutex_names[i], mutex_stats[i],
|
|
"\t\t\t\t",
|
|
i == mutex_prof_num_global_mutexes - 1);
|
|
}
|
|
malloc_cprintf(write_cb, cbopaque, "\t\t\t}\n");
|
|
}
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t}%s\n", (merged || unmerged || destroyed) ? "," : "");
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"Allocated: %zu, active: %zu, metadata: %zu,"
|
|
" resident: %zu, mapped: %zu, retained: %zu\n",
|
|
allocated, active, metadata, resident, mapped, retained);
|
|
|
|
if (have_background_thread && num_background_threads > 0) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"Background threads: %zu, num_runs: %"FMTu64", "
|
|
"run_interval: %"FMTu64" ns\n",
|
|
num_background_threads,
|
|
background_thread_num_runs,
|
|
background_thread_run_interval);
|
|
}
|
|
if (mutex) {
|
|
mutex_prof_global_ind_t i;
|
|
for (i = 0; i < mutex_prof_num_global_mutexes; i++) {
|
|
mutex_stats_output(write_cb, cbopaque,
|
|
global_mutex_names[i], mutex_stats[i],
|
|
i == 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (merged || destroyed || unmerged) {
|
|
unsigned narenas;
|
|
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\"stats.arenas\": {\n");
|
|
}
|
|
|
|
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. */
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"merged\": {\n");
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\nMerged arenas stats:\n");
|
|
}
|
|
stats_arena_print(write_cb, cbopaque, json,
|
|
MALLCTL_ARENAS_ALL, bins, large, mutex);
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t}%s\n",
|
|
((destroyed_initialized &&
|
|
destroyed) || unmerged) ? "," :
|
|
"");
|
|
}
|
|
}
|
|
|
|
/* Destroyed stats. */
|
|
if (destroyed_initialized && destroyed) {
|
|
/* Print destroyed arena stats. */
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t\"destroyed\": {\n");
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\nDestroyed arenas stats:\n");
|
|
}
|
|
stats_arena_print(write_cb, cbopaque, json,
|
|
MALLCTL_ARENAS_DESTROYED, bins, large,
|
|
mutex);
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t\t}%s\n", unmerged ? "," :
|
|
"");
|
|
}
|
|
}
|
|
|
|
/* Unmerged stats. */
|
|
if (unmerged) {
|
|
for (i = j = 0; i < narenas; i++) {
|
|
if (initialized[i]) {
|
|
if (json) {
|
|
j++;
|
|
malloc_cprintf(write_cb,
|
|
cbopaque,
|
|
"\t\t\t\"%u\": {\n",
|
|
i);
|
|
} else {
|
|
malloc_cprintf(write_cb,
|
|
cbopaque,
|
|
"\narenas[%u]:\n",
|
|
i);
|
|
}
|
|
stats_arena_print(write_cb,
|
|
cbopaque, json, i, bins,
|
|
large, mutex);
|
|
if (json) {
|
|
malloc_cprintf(write_cb,
|
|
cbopaque,
|
|
"\t\t\t}%s\n", (j <
|
|
ninitialized) ? ","
|
|
: "");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t\t}\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
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:;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"{\n"
|
|
"\t\"jemalloc\": {\n");
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"___ Begin jemalloc statistics ___\n");
|
|
}
|
|
|
|
if (general) {
|
|
stats_general_print(write_cb, cbopaque, json, config_stats);
|
|
}
|
|
if (config_stats) {
|
|
stats_print_helper(write_cb, cbopaque, json, merged, destroyed,
|
|
unmerged, bins, large, mutex);
|
|
}
|
|
|
|
if (json) {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"\t}\n"
|
|
"}\n");
|
|
} else {
|
|
malloc_cprintf(write_cb, cbopaque,
|
|
"--- End jemalloc statistics ---\n");
|
|
}
|
|
}
|