1 #ifndef JEMALLOC_INTERNAL_PROF_EXTERNS_H
2 #define JEMALLOC_INTERNAL_PROF_EXTERNS_H
4 #include "jemalloc/internal/mutex.h"
6 extern malloc_mutex_t bt2gctx_mtx;
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 char opt_prof_prefix[
18 /* Minimize memory bloat for non-prof builds. */
24 /* Accessed via prof_active_[gs]et{_unlocked,}(). */
25 extern bool prof_active;
27 /* Accessed via prof_gdump_[gs]et{_unlocked,}(). */
28 extern bool prof_gdump_val;
31 * Profile dump interval, measured in bytes allocated. Each arena triggers a
32 * profile dump when it reaches this threshold. The effect is that the
33 * interval between profile dumps averages prof_interval, though the actual
34 * interval between dumps will tend to be sporadic, and the interval will be a
35 * maximum of approximately (prof_interval * narenas).
37 extern uint64_t prof_interval;
40 * Initialized as opt_lg_prof_sample, and potentially modified during profiling
43 extern size_t lg_prof_sample;
45 void prof_alloc_rollback(tsd_t *tsd, prof_tctx_t *tctx, bool updated);
46 void prof_malloc_sample_object(tsdn_t *tsdn, const void *ptr, size_t usize,
48 void prof_free_sampled_object(tsd_t *tsd, size_t usize, prof_tctx_t *tctx);
49 void bt_init(prof_bt_t *bt, void **vec);
50 void prof_backtrace(prof_bt_t *bt);
51 prof_tctx_t *prof_lookup(tsd_t *tsd, prof_bt_t *bt);
53 size_t prof_tdata_count(void);
54 size_t prof_bt_count(void);
56 typedef int (prof_dump_open_t)(bool, const char *);
57 extern prof_dump_open_t *JET_MUTABLE prof_dump_open;
59 typedef bool (prof_dump_header_t)(tsdn_t *, bool, const prof_cnt_t *);
60 extern prof_dump_header_t *JET_MUTABLE prof_dump_header;
62 void prof_cnt_all(uint64_t *curobjs, uint64_t *curbytes, uint64_t *accumobjs,
63 uint64_t *accumbytes);
65 bool prof_accum_init(tsdn_t *tsdn, prof_accum_t *prof_accum);
66 void prof_idump(tsdn_t *tsdn);
67 bool prof_mdump(tsd_t *tsd, const char *filename);
68 void prof_gdump(tsdn_t *tsdn);
69 prof_tdata_t *prof_tdata_init(tsd_t *tsd);
70 prof_tdata_t *prof_tdata_reinit(tsd_t *tsd, prof_tdata_t *tdata);
71 void prof_reset(tsd_t *tsd, size_t lg_sample);
72 void prof_tdata_cleanup(tsd_t *tsd);
73 bool prof_active_get(tsdn_t *tsdn);
74 bool prof_active_set(tsdn_t *tsdn, bool active);
75 const char *prof_thread_name_get(tsd_t *tsd);
76 int prof_thread_name_set(tsd_t *tsd, const char *thread_name);
77 bool prof_thread_active_get(tsd_t *tsd);
78 bool prof_thread_active_set(tsd_t *tsd, bool active);
79 bool prof_thread_active_init_get(tsdn_t *tsdn);
80 bool prof_thread_active_init_set(tsdn_t *tsdn, bool active_init);
81 bool prof_gdump_get(tsdn_t *tsdn);
82 bool prof_gdump_set(tsdn_t *tsdn, bool active);
83 void prof_boot0(void);
84 void prof_boot1(void);
85 bool prof_boot2(tsd_t *tsd);
86 void prof_prefork0(tsdn_t *tsdn);
87 void prof_prefork1(tsdn_t *tsdn);
88 void prof_postfork_parent(tsdn_t *tsdn);
89 void prof_postfork_child(tsdn_t *tsdn);
90 void prof_sample_threshold_update(prof_tdata_t *tdata);
92 #endif /* JEMALLOC_INTERNAL_PROF_EXTERNS_H */