1 #ifndef JEMALLOC_INTERNAL_PROF_TYPES_H 2 #define JEMALLOC_INTERNAL_PROF_TYPES_H 3 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; 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