1#ifndef JEMALLOC_INTERNAL_PROF_TYPES_H
2#define JEMALLOC_INTERNAL_PROF_TYPES_H
3
4typedef struct prof_bt_s prof_bt_t;
5typedef struct prof_accum_s prof_accum_t;
6typedef struct prof_cnt_s prof_cnt_t;
7typedef struct prof_tctx_s prof_tctx_t;
8typedef struct prof_gctx_s prof_gctx_t;
9typedef struct prof_tdata_s prof_tdata_t;
10
11/* Option defaults. */
12#ifdef JEMALLOC_PROF
13#  define PROF_PREFIX_DEFAULT		"jeprof"
14#else
15#  define PROF_PREFIX_DEFAULT		""
16#endif
17#define LG_PROF_SAMPLE_DEFAULT		19
18#define LG_PROF_INTERVAL_DEFAULT	-1
19
20/*
21 * Hard limit on stack backtrace depth.  The version of prof_backtrace() that
22 * is based on __builtin_return_address() necessarily has a hard-coded number
23 * of backtrace frame handlers, and should be kept in sync with this setting.
24 */
25#define PROF_BT_MAX			128
26
27/* Initial hash table size. */
28#define PROF_CKH_MINITEMS		64
29
30/* Size of memory buffer to use when writing dump files. */
31#define PROF_DUMP_BUFSIZE		65536
32
33/* Size of stack-allocated buffer used by prof_printf(). */
34#define PROF_PRINTF_BUFSIZE		128
35
36/*
37 * Number of mutexes shared among all gctx's.  No space is allocated for these
38 * unless profiling is enabled, so it's okay to over-provision.
39 */
40#define PROF_NCTX_LOCKS			1024
41
42/*
43 * Number of mutexes shared among all tdata's.  No space is allocated for these
44 * unless profiling is enabled, so it's okay to over-provision.
45 */
46#define PROF_NTDATA_LOCKS		256
47
48/*
49 * prof_tdata pointers close to NULL are used to encode state information that
50 * is used for cleaning up during thread shutdown.
51 */
52#define PROF_TDATA_STATE_REINCARNATED	((prof_tdata_t *)(uintptr_t)1)
53#define PROF_TDATA_STATE_PURGATORY	((prof_tdata_t *)(uintptr_t)2)
54#define PROF_TDATA_STATE_MAX		PROF_TDATA_STATE_PURGATORY
55
56#endif /* JEMALLOC_INTERNAL_PROF_TYPES_H */
57