1*8e33eff8Schristos #ifndef JEMALLOC_INTERNAL_PROF_EXTERNS_H 2*8e33eff8Schristos #define JEMALLOC_INTERNAL_PROF_EXTERNS_H 3*8e33eff8Schristos 4*8e33eff8Schristos #include "jemalloc/internal/mutex.h" 5*8e33eff8Schristos 6*8e33eff8Schristos extern malloc_mutex_t bt2gctx_mtx; 7*8e33eff8Schristos 8*8e33eff8Schristos extern bool opt_prof; 9*8e33eff8Schristos extern bool opt_prof_active; 10*8e33eff8Schristos extern bool opt_prof_thread_active_init; 11*8e33eff8Schristos extern size_t opt_lg_prof_sample; /* Mean bytes between samples. */ 12*8e33eff8Schristos extern ssize_t opt_lg_prof_interval; /* lg(prof_interval). */ 13*8e33eff8Schristos extern bool opt_prof_gdump; /* High-water memory dumping. */ 14*8e33eff8Schristos extern bool opt_prof_final; /* Final profile dumping. */ 15*8e33eff8Schristos extern bool opt_prof_leak; /* Dump leak summary at exit. */ 16*8e33eff8Schristos extern bool opt_prof_accum; /* Report cumulative bytes. */ 17*8e33eff8Schristos extern char opt_prof_prefix[ 18*8e33eff8Schristos /* Minimize memory bloat for non-prof builds. */ 19*8e33eff8Schristos #ifdef JEMALLOC_PROF 20*8e33eff8Schristos PATH_MAX + 21*8e33eff8Schristos #endif 22*8e33eff8Schristos 1]; 23*8e33eff8Schristos 24*8e33eff8Schristos /* Accessed via prof_active_[gs]et{_unlocked,}(). */ 25*8e33eff8Schristos extern bool prof_active; 26*8e33eff8Schristos 27*8e33eff8Schristos /* Accessed via prof_gdump_[gs]et{_unlocked,}(). */ 28*8e33eff8Schristos extern bool prof_gdump_val; 29*8e33eff8Schristos 30*8e33eff8Schristos /* 31*8e33eff8Schristos * Profile dump interval, measured in bytes allocated. Each arena triggers a 32*8e33eff8Schristos * profile dump when it reaches this threshold. The effect is that the 33*8e33eff8Schristos * interval between profile dumps averages prof_interval, though the actual 34*8e33eff8Schristos * interval between dumps will tend to be sporadic, and the interval will be a 35*8e33eff8Schristos * maximum of approximately (prof_interval * narenas). 36*8e33eff8Schristos */ 37*8e33eff8Schristos extern uint64_t prof_interval; 38*8e33eff8Schristos 39*8e33eff8Schristos /* 40*8e33eff8Schristos * Initialized as opt_lg_prof_sample, and potentially modified during profiling 41*8e33eff8Schristos * resets. 42*8e33eff8Schristos */ 43*8e33eff8Schristos extern size_t lg_prof_sample; 44*8e33eff8Schristos 45*8e33eff8Schristos void prof_alloc_rollback(tsd_t *tsd, prof_tctx_t *tctx, bool updated); 46*8e33eff8Schristos void prof_malloc_sample_object(tsdn_t *tsdn, const void *ptr, size_t usize, 47*8e33eff8Schristos prof_tctx_t *tctx); 48*8e33eff8Schristos void prof_free_sampled_object(tsd_t *tsd, size_t usize, prof_tctx_t *tctx); 49*8e33eff8Schristos void bt_init(prof_bt_t *bt, void **vec); 50*8e33eff8Schristos void prof_backtrace(prof_bt_t *bt); 51*8e33eff8Schristos prof_tctx_t *prof_lookup(tsd_t *tsd, prof_bt_t *bt); 52*8e33eff8Schristos #ifdef JEMALLOC_JET 53*8e33eff8Schristos size_t prof_tdata_count(void); 54*8e33eff8Schristos size_t prof_bt_count(void); 55*8e33eff8Schristos #endif 56*8e33eff8Schristos typedef int (prof_dump_open_t)(bool, const char *); 57*8e33eff8Schristos extern prof_dump_open_t *JET_MUTABLE prof_dump_open; 58*8e33eff8Schristos 59*8e33eff8Schristos typedef bool (prof_dump_header_t)(tsdn_t *, bool, const prof_cnt_t *); 60*8e33eff8Schristos extern prof_dump_header_t *JET_MUTABLE prof_dump_header; 61*8e33eff8Schristos #ifdef JEMALLOC_JET 62*8e33eff8Schristos void prof_cnt_all(uint64_t *curobjs, uint64_t *curbytes, uint64_t *accumobjs, 63*8e33eff8Schristos uint64_t *accumbytes); 64*8e33eff8Schristos #endif 65*8e33eff8Schristos bool prof_accum_init(tsdn_t *tsdn, prof_accum_t *prof_accum); 66*8e33eff8Schristos void prof_idump(tsdn_t *tsdn); 67*8e33eff8Schristos bool prof_mdump(tsd_t *tsd, const char *filename); 68*8e33eff8Schristos void prof_gdump(tsdn_t *tsdn); 69*8e33eff8Schristos prof_tdata_t *prof_tdata_init(tsd_t *tsd); 70*8e33eff8Schristos prof_tdata_t *prof_tdata_reinit(tsd_t *tsd, prof_tdata_t *tdata); 71*8e33eff8Schristos void prof_reset(tsd_t *tsd, size_t lg_sample); 72*8e33eff8Schristos void prof_tdata_cleanup(tsd_t *tsd); 73*8e33eff8Schristos bool prof_active_get(tsdn_t *tsdn); 74*8e33eff8Schristos bool prof_active_set(tsdn_t *tsdn, bool active); 75*8e33eff8Schristos const char *prof_thread_name_get(tsd_t *tsd); 76*8e33eff8Schristos int prof_thread_name_set(tsd_t *tsd, const char *thread_name); 77*8e33eff8Schristos bool prof_thread_active_get(tsd_t *tsd); 78*8e33eff8Schristos bool prof_thread_active_set(tsd_t *tsd, bool active); 79*8e33eff8Schristos bool prof_thread_active_init_get(tsdn_t *tsdn); 80*8e33eff8Schristos bool prof_thread_active_init_set(tsdn_t *tsdn, bool active_init); 81*8e33eff8Schristos bool prof_gdump_get(tsdn_t *tsdn); 82*8e33eff8Schristos bool prof_gdump_set(tsdn_t *tsdn, bool active); 83*8e33eff8Schristos void prof_boot0(void); 84*8e33eff8Schristos void prof_boot1(void); 85*8e33eff8Schristos bool prof_boot2(tsd_t *tsd); 86*8e33eff8Schristos void prof_prefork0(tsdn_t *tsdn); 87*8e33eff8Schristos void prof_prefork1(tsdn_t *tsdn); 88*8e33eff8Schristos void prof_postfork_parent(tsdn_t *tsdn); 89*8e33eff8Schristos void prof_postfork_child(tsdn_t *tsdn); 90*8e33eff8Schristos void prof_sample_threshold_update(prof_tdata_t *tdata); 91*8e33eff8Schristos 92*8e33eff8Schristos #endif /* JEMALLOC_INTERNAL_PROF_EXTERNS_H */ 93