xref: /freebsd/contrib/jemalloc/include/jemalloc/internal/prof_externs.h (revision c43cad87172039ccf38172129c79755ea79e6102)
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