55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
#ifndef JEMALLOC_INTERNAL_STATS_H
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#define JEMALLOC_INTERNAL_STATS_H
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/* OPTION(opt, var_name, default, set_value_to) */
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#define STATS_PRINT_OPTIONS \
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OPTION('J', json, false, true) \
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OPTION('g', general, true, false) \
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OPTION('m', merged, config_stats, false) \
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OPTION('d', destroyed, config_stats, false) \
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OPTION('a', unmerged, config_stats, false) \
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OPTION('b', bins, true, false) \
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OPTION('l', large, true, false) \
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OPTION('x', mutex, true, false) \
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OPTION('e', extents, true, false) \
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OPTION('h', hpa, config_stats, false)
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enum {
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#define OPTION(o, v, d, s) stats_print_option_num_##v,
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STATS_PRINT_OPTIONS
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#undef OPTION
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stats_print_tot_num_options
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};
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/* Options for stats_print. */
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extern bool opt_stats_print;
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extern char opt_stats_print_opts[stats_print_tot_num_options+1];
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/* Utilities for stats_interval. */
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extern int64_t opt_stats_interval;
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extern char opt_stats_interval_opts[stats_print_tot_num_options+1];
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#define STATS_INTERVAL_DEFAULT -1
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/*
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* Batch-increment the counter to reduce synchronization overhead. Each thread
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* merges after (interval >> LG_BATCH_SIZE) bytes of allocations; also limit the
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* BATCH_MAX for accuracy when the interval is huge (which is expected).
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*/
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#define STATS_INTERVAL_ACCUM_LG_BATCH_SIZE 6
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#define STATS_INTERVAL_ACCUM_BATCH_MAX (4 << 20)
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/* Only accessed by thread event. */
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uint64_t stats_interval_new_event_wait(tsd_t *tsd);
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uint64_t stats_interval_postponed_event_wait(tsd_t *tsd);
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void stats_interval_event_handler(tsd_t *tsd, uint64_t elapsed);
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/* Implements je_malloc_stats_print. */
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void stats_print(write_cb_t *write_cb, void *cbopaque, const char *opts);
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bool stats_boot(void);
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void stats_prefork(tsdn_t *tsdn);
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void stats_postfork_parent(tsdn_t *tsdn);
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void stats_postfork_child(tsdn_t *tsdn);
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#endif /* JEMALLOC_INTERNAL_STATS_H */
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