1 #ifndef JEMALLOC_INTERNAL_PROF_EXTERNS_H 2 #define JEMALLOC_INTERNAL_PROF_EXTERNS_H 3 4 #pragma GCC visibility push(hidden) 5 6 extern bool opt_prof; 7 extern bool opt_prof_active; 8 extern bool opt_prof_thread_active_init; 9 extern size_t opt_lg_prof_sample; /* Mean bytes between samples. */ 10 extern ssize_t opt_lg_prof_interval; /* lg(prof_interval). */ 11 extern bool opt_prof_gdump; /* High-water memory dumping. */ 12 extern bool opt_prof_final; /* Final profile dumping. */ 13 extern bool opt_prof_leak; /* Dump leak summary at exit. */ 14 extern bool opt_prof_accum; /* Report cumulative bytes. */ 15 extern char opt_prof_prefix[ 16 /* Minimize memory bloat for non-prof builds. */ 17 #ifdef JEMALLOC_PROF 18 PATH_MAX + 19 #endif 20 1]; 21 22 /* Accessed via prof_active_[gs]et{_unlocked,}(). */ 23 extern bool prof_active; 24 25 /* Accessed via prof_gdump_[gs]et{_unlocked,}(). */ 26 extern bool prof_gdump_val; 27 28 /* 29 * Profile dump interval, measured in bytes allocated. Each arena triggers a 30 * profile dump when it reaches this threshold. The effect is that the 31 * interval between profile dumps averages prof_interval, though the actual 32 * interval between dumps will tend to be sporadic, and the interval will be a 33 * maximum of approximately (prof_interval * narenas). 34 */ 35 extern uint64_t prof_interval; 36 37 /* 38 * Initialized as opt_lg_prof_sample, and potentially modified during profiling 39 * resets. 40 */ 41 extern size_t lg_prof_sample; 42 43 void prof_alloc_rollback(tsd_t *tsd, prof_tctx_t *tctx, bool updated); 44 void prof_malloc_sample_object(tsdn_t *tsdn, extent_t *extent, 45 const void *ptr, size_t usize, prof_tctx_t *tctx); 46 void prof_free_sampled_object(tsd_t *tsd, size_t usize, prof_tctx_t *tctx); 47 void bt_init(prof_bt_t *bt, void **vec); 48 void prof_backtrace(prof_bt_t *bt); 49 prof_tctx_t *prof_lookup(tsd_t *tsd, prof_bt_t *bt); 50 #ifdef JEMALLOC_JET 51 size_t prof_tdata_count(void); 52 size_t prof_bt_count(void); 53 typedef int (prof_dump_open_t)(bool, const char *); 54 extern prof_dump_open_t *prof_dump_open; 55 typedef bool (prof_dump_header_t)(tsdn_t *, bool, const prof_cnt_t *); 56 extern prof_dump_header_t *prof_dump_header; 57 void prof_cnt_all(uint64_t *curobjs, uint64_t *curbytes, 58 uint64_t *accumobjs, uint64_t *accumbytes); 59 #endif 60 void prof_idump(tsdn_t *tsdn); 61 bool prof_mdump(tsd_t *tsd, const char *filename); 62 void prof_gdump(tsdn_t *tsdn); 63 prof_tdata_t *prof_tdata_init(tsd_t *tsd); 64 prof_tdata_t *prof_tdata_reinit(tsd_t *tsd, prof_tdata_t *tdata); 65 void prof_reset(tsd_t *tsd, size_t lg_sample); 66 void prof_tdata_cleanup(tsd_t *tsd); 67 bool prof_active_get(tsdn_t *tsdn); 68 bool prof_active_set(tsdn_t *tsdn, bool active); 69 const char *prof_thread_name_get(tsd_t *tsd); 70 int prof_thread_name_set(tsd_t *tsd, const char *thread_name); 71 bool prof_thread_active_get(tsd_t *tsd); 72 bool prof_thread_active_set(tsd_t *tsd, bool active); 73 bool prof_thread_active_init_get(tsdn_t *tsdn); 74 bool prof_thread_active_init_set(tsdn_t *tsdn, bool active_init); 75 bool prof_gdump_get(tsdn_t *tsdn); 76 bool prof_gdump_set(tsdn_t *tsdn, bool active); 77 void prof_boot0(void); 78 void prof_boot1(void); 79 bool prof_boot2(tsd_t *tsd); 80 void prof_prefork0(tsdn_t *tsdn); 81 void prof_prefork1(tsdn_t *tsdn); 82 void prof_postfork_parent(tsdn_t *tsdn); 83 void prof_postfork_child(tsdn_t *tsdn); 84 void prof_sample_threshold_update(prof_tdata_t *tdata); 85 86 #pragma GCC visibility pop 87 88 #endif /* JEMALLOC_INTERNAL_PROF_EXTERNS_H */ 89