1 #ifndef JEMALLOC_INTERNAL_PROF_TYPES_H
2 #define JEMALLOC_INTERNAL_PROF_TYPES_H
4 typedef struct prof_bt_s prof_bt_t;
5 typedef struct prof_accum_s prof_accum_t;
6 typedef struct prof_cnt_s prof_cnt_t;
7 typedef struct prof_tctx_s prof_tctx_t;
8 typedef struct prof_gctx_s prof_gctx_t;
9 typedef struct prof_tdata_s prof_tdata_t;
11 /* Option defaults. */
13 # define PROF_PREFIX_DEFAULT "jeprof"
15 # define PROF_PREFIX_DEFAULT ""
17 #define LG_PROF_SAMPLE_DEFAULT 19
18 #define LG_PROF_INTERVAL_DEFAULT -1
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.
25 #define PROF_BT_MAX 128
27 /* Initial hash table size. */
28 #define PROF_CKH_MINITEMS 64
30 /* Size of memory buffer to use when writing dump files. */
31 #define PROF_DUMP_BUFSIZE 65536
33 /* Size of stack-allocated buffer used by prof_printf(). */
34 #define PROF_PRINTF_BUFSIZE 128
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.
40 #define PROF_NCTX_LOCKS 1024
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.
46 #define PROF_NTDATA_LOCKS 256
49 * prof_tdata pointers close to NULL are used to encode state information that
50 * is used for cleaning up during thread shutdown.
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
56 #endif /* JEMALLOC_INTERNAL_PROF_TYPES_H */