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      1 #ifndef JEMALLOC_INTERNAL_PROF_EXTERNS_H
      2 #define JEMALLOC_INTERNAL_PROF_EXTERNS_H
      3 
      4 #include "jemalloc/internal/mutex.h"
      5 #include "jemalloc/internal/prof_hook.h"
      6 
      7 extern bool opt_prof;
      8 extern bool opt_prof_active;
      9 extern bool opt_prof_thread_active_init;
     10 extern size_t opt_lg_prof_sample;    /* Mean bytes between samples. */
     11 extern ssize_t opt_lg_prof_interval; /* lg(prof_interval). */
     12 extern bool opt_prof_gdump;          /* High-water memory dumping. */
     13 extern bool opt_prof_final;          /* Final profile dumping. */
     14 extern bool opt_prof_leak;           /* Dump leak summary at exit. */
     15 extern bool opt_prof_leak_error;     /* Exit with error code if memory leaked */
     16 extern bool opt_prof_accum;          /* Report cumulative bytes. */
     17 extern bool opt_prof_log;            /* Turn logging on at boot. */
     18 extern char opt_prof_prefix[
     19     /* Minimize memory bloat for non-prof builds. */
     20 #ifdef JEMALLOC_PROF
     21     PATH_MAX +
     22 #endif
     23     1];
     24 extern bool opt_prof_unbias;
     25 
     26 /* For recording recent allocations */
     27 extern ssize_t opt_prof_recent_alloc_max;
     28 
     29 /* Whether to use thread name provided by the system or by mallctl. */
     30 extern bool opt_prof_sys_thread_name;
     31 
     32 /* Whether to record per size class counts and request size totals. */
     33 extern bool opt_prof_stats;
     34 
     35 /* Accessed via prof_active_[gs]et{_unlocked,}(). */
     36 extern bool prof_active_state;
     37 
     38 /* Accessed via prof_gdump_[gs]et{_unlocked,}(). */
     39 extern bool prof_gdump_val;
     40 
     41 /* Profile dump interval, measured in bytes allocated. */
     42 extern uint64_t prof_interval;
     43 
     44 /*
     45  * Initialized as opt_lg_prof_sample, and potentially modified during profiling
     46  * resets.
     47  */
     48 extern size_t lg_prof_sample;
     49 
     50 extern bool prof_booted;
     51 
     52 void prof_backtrace_hook_set(prof_backtrace_hook_t hook);
     53 prof_backtrace_hook_t prof_backtrace_hook_get(void);
     54 
     55 void prof_dump_hook_set(prof_dump_hook_t hook);
     56 prof_dump_hook_t prof_dump_hook_get(void);
     57 
     58 /* Functions only accessed in prof_inlines.h */
     59 prof_tdata_t *prof_tdata_init(tsd_t *tsd);
     60 prof_tdata_t *prof_tdata_reinit(tsd_t *tsd, prof_tdata_t *tdata);
     61 
     62 void prof_alloc_rollback(tsd_t *tsd, prof_tctx_t *tctx);
     63 void prof_malloc_sample_object(tsd_t *tsd, const void *ptr, size_t size,
     64     size_t usize, prof_tctx_t *tctx);
     65 void prof_free_sampled_object(tsd_t *tsd, size_t usize, prof_info_t *prof_info);
     66 prof_tctx_t *prof_tctx_create(tsd_t *tsd);
     67 void prof_idump(tsdn_t *tsdn);
     68 bool prof_mdump(tsd_t *tsd, const char *filename);
     69 void prof_gdump(tsdn_t *tsdn);
     70 
     71 void prof_tdata_cleanup(tsd_t *tsd);
     72 bool prof_active_get(tsdn_t *tsdn);
     73 bool prof_active_set(tsdn_t *tsdn, bool active);
     74 const char *prof_thread_name_get(tsd_t *tsd);
     75 int prof_thread_name_set(tsd_t *tsd, const char *thread_name);
     76 bool prof_thread_active_get(tsd_t *tsd);
     77 bool prof_thread_active_set(tsd_t *tsd, bool active);
     78 bool prof_thread_active_init_get(tsdn_t *tsdn);
     79 bool prof_thread_active_init_set(tsdn_t *tsdn, bool active_init);
     80 bool prof_gdump_get(tsdn_t *tsdn);
     81 bool prof_gdump_set(tsdn_t *tsdn, bool active);
     82 void prof_boot0(void);
     83 void prof_boot1(void);
     84 bool prof_boot2(tsd_t *tsd, base_t *base);
     85 void prof_prefork0(tsdn_t *tsdn);
     86 void prof_prefork1(tsdn_t *tsdn);
     87 void prof_postfork_parent(tsdn_t *tsdn);
     88 void prof_postfork_child(tsdn_t *tsdn);
     89 
     90 /* Only accessed by thread event. */
     91 uint64_t prof_sample_new_event_wait(tsd_t *tsd);
     92 uint64_t prof_sample_postponed_event_wait(tsd_t *tsd);
     93 void prof_sample_event_handler(tsd_t *tsd, uint64_t elapsed);
     94 
     95 #endif /* JEMALLOC_INTERNAL_PROF_EXTERNS_H */
     96