1 #ifndef JEMALLOC_INTERNAL_PROF_EXTERNS_H 2 #define JEMALLOC_INTERNAL_PROF_EXTERNS_H 3 4 #include "jemalloc/internal/mutex.h" 5 6 extern malloc_mutex_t bt2gctx_mtx; 7 8 extern bool opt_prof; 9 extern bool opt_prof_active; 10 extern bool opt_prof_thread_active_init; 11 extern size_t opt_lg_prof_sample; /* Mean bytes between samples. */ 12 extern ssize_t opt_lg_prof_interval; /* lg(prof_interval). */ 13 extern bool opt_prof_gdump; /* High-water memory dumping. */ 14 extern bool opt_prof_final; /* Final profile dumping. */ 15 extern bool opt_prof_leak; /* Dump leak summary at exit. */ 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 25 /* Accessed via prof_active_[gs]et{_unlocked,}(). */ 26 extern bool prof_active; 27 28 /* Accessed via prof_gdump_[gs]et{_unlocked,}(). */ 29 extern bool prof_gdump_val; 30 31 /* 32 * Profile dump interval, measured in bytes allocated. Each arena triggers a 33 * profile dump when it reaches this threshold. The effect is that the 34 * interval between profile dumps averages prof_interval, though the actual 35 * interval between dumps will tend to be sporadic, and the interval will be a 36 * maximum of approximately (prof_interval * narenas). 37 */ 38 extern uint64_t prof_interval; 39 40 /* 41 * Initialized as opt_lg_prof_sample, and potentially modified during profiling 42 * resets. 43 */ 44 extern size_t lg_prof_sample; 45 46 void prof_alloc_rollback(tsd_t *tsd, prof_tctx_t *tctx, bool updated); 47 void prof_malloc_sample_object(tsdn_t *tsdn, const void *ptr, size_t usize, 48 prof_tctx_t *tctx); 49 void prof_free_sampled_object(tsd_t *tsd, const void *ptr, size_t usize, 50 prof_tctx_t *tctx); 51 void bt_init(prof_bt_t *bt, void **vec); 52 void prof_backtrace(prof_bt_t *bt); 53 prof_tctx_t *prof_lookup(tsd_t *tsd, prof_bt_t *bt); 54 #ifdef JEMALLOC_JET 55 size_t prof_tdata_count(void); 56 size_t prof_bt_count(void); 57 #endif 58 typedef int (prof_dump_open_t)(bool, const char *); 59 extern prof_dump_open_t *JET_MUTABLE prof_dump_open; 60 61 typedef bool (prof_dump_header_t)(tsdn_t *, bool, const prof_cnt_t *); 62 extern prof_dump_header_t *JET_MUTABLE prof_dump_header; 63 #ifdef JEMALLOC_JET 64 void prof_cnt_all(uint64_t *curobjs, uint64_t *curbytes, uint64_t *accumobjs, 65 uint64_t *accumbytes); 66 #endif 67 bool prof_accum_init(tsdn_t *tsdn, prof_accum_t *prof_accum); 68 void prof_idump(tsdn_t *tsdn); 69 bool prof_mdump(tsd_t *tsd, const char *filename); 70 void prof_gdump(tsdn_t *tsdn); 71 prof_tdata_t *prof_tdata_init(tsd_t *tsd); 72 prof_tdata_t *prof_tdata_reinit(tsd_t *tsd, prof_tdata_t *tdata); 73 void prof_reset(tsd_t *tsd, size_t lg_sample); 74 void prof_tdata_cleanup(tsd_t *tsd); 75 bool prof_active_get(tsdn_t *tsdn); 76 bool prof_active_set(tsdn_t *tsdn, bool active); 77 const char *prof_thread_name_get(tsd_t *tsd); 78 int prof_thread_name_set(tsd_t *tsd, const char *thread_name); 79 bool prof_thread_active_get(tsd_t *tsd); 80 bool prof_thread_active_set(tsd_t *tsd, bool active); 81 bool prof_thread_active_init_get(tsdn_t *tsdn); 82 bool prof_thread_active_init_set(tsdn_t *tsdn, bool active_init); 83 bool prof_gdump_get(tsdn_t *tsdn); 84 bool prof_gdump_set(tsdn_t *tsdn, bool active); 85 void prof_boot0(void); 86 void prof_boot1(void); 87 bool prof_boot2(tsd_t *tsd); 88 void prof_prefork0(tsdn_t *tsdn); 89 void prof_prefork1(tsdn_t *tsdn); 90 void prof_postfork_parent(tsdn_t *tsdn); 91 void prof_postfork_child(tsdn_t *tsdn); 92 void prof_sample_threshold_update(prof_tdata_t *tdata); 93 94 bool prof_log_start(tsdn_t *tsdn, const char *filename); 95 bool prof_log_stop(tsdn_t *tsdn); 96 #ifdef JEMALLOC_JET 97 size_t prof_log_bt_count(void); 98 size_t prof_log_alloc_count(void); 99 size_t prof_log_thr_count(void); 100 bool prof_log_is_logging(void); 101 bool prof_log_rep_check(void); 102 void prof_log_dummy_set(bool new_value); 103 #endif 104 105 #endif /* JEMALLOC_INTERNAL_PROF_EXTERNS_H */ 106