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(); 54 55 void prof_dump_hook_set(prof_dump_hook_t hook); 56 prof_dump_hook_t prof_dump_hook_get(); 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