diff options
Diffstat (limited to 'include/jemalloc/internal/prof.h')
| -rw-r--r-- | include/jemalloc/internal/prof.h | 30 |
1 files changed, 10 insertions, 20 deletions
diff --git a/include/jemalloc/internal/prof.h b/include/jemalloc/internal/prof.h index ad8bcd2..744d361 100644 --- a/include/jemalloc/internal/prof.h +++ b/include/jemalloc/internal/prof.h @@ -9,24 +9,18 @@ typedef struct prof_tdata_s prof_tdata_t; /* Option defaults. */ #define PROF_PREFIX_DEFAULT "jeprof" -#define LG_PROF_BT_MAX_DEFAULT 7 #define LG_PROF_SAMPLE_DEFAULT 0 #define LG_PROF_INTERVAL_DEFAULT -1 -/* Maximum number of backtraces to store in each per thread LRU cache. */ -#define PROF_TCMAX 1024 - /* - * Hard limit on stack backtrace depth. Note that the version of - * prof_backtrace() that is based on __builtin_return_address() necessarily has - * a hard-coded number of backtrace frame handlers. + * Hard limit on stack backtrace depth. The version of prof_backtrace() that + * is based on __builtin_return_address() necessarily has a hard-coded number + * of backtrace frame handlers, and should be kept in sync with this setting. */ -#if (defined(JEMALLOC_PROF_LIBGCC) || defined(JEMALLOC_PROF_LIBUNWIND)) -# define LG_PROF_BT_MAX ((ZU(1) << (LG_SIZEOF_PTR+3)) - 1) -#else -# define LG_PROF_BT_MAX 7 /* >= LG_PROF_BT_MAX_DEFAULT */ -#endif -#define PROF_BT_MAX (1U << LG_PROF_BT_MAX) +#define PROF_BT_MAX 128 + +/* Maximum number of backtraces to store in each per thread LRU cache. */ +#define PROF_TCMAX 1024 /* Initial hash table size. */ #define PROF_CKH_MINITEMS 64 @@ -163,7 +157,6 @@ extern bool opt_prof; * to notice state changes. */ extern bool opt_prof_active; -extern size_t opt_lg_prof_bt_max; /* Maximum backtrace depth. */ extern size_t opt_lg_prof_sample; /* Mean bytes between samples. */ extern ssize_t opt_lg_prof_interval; /* lg(prof_interval). */ extern bool opt_prof_gdump; /* High-water memory dumping. */ @@ -186,9 +179,6 @@ extern uint64_t prof_interval; */ extern bool prof_promote; -/* (1U << opt_lg_prof_bt_max). */ -extern unsigned prof_bt_max; - /* Thread-specific backtrace cache, used to reduce bt2ctx contention. */ #ifndef NO_TLS extern __thread prof_tdata_t *prof_tdata_tls @@ -213,7 +203,7 @@ extern __thread prof_tdata_t *prof_tdata_tls extern pthread_key_t prof_tdata_tsd; void bt_init(prof_bt_t *bt, void **vec); -void prof_backtrace(prof_bt_t *bt, unsigned nignore, unsigned max); +void prof_backtrace(prof_bt_t *bt, unsigned nignore); prof_thr_cnt_t *prof_lookup(prof_bt_t *bt); void prof_idump(void); bool prof_mdump(const char *filename); @@ -249,7 +239,7 @@ bool prof_boot2(void); /* Don't bother with sampling logic, since sampling */\ /* interval is 1. */\ bt_init(&bt, prof_tdata->vec); \ - prof_backtrace(&bt, nignore, prof_bt_max); \ + prof_backtrace(&bt, nignore); \ ret = prof_lookup(&bt); \ } else { \ if (prof_tdata->threshold == 0) { \ @@ -272,7 +262,7 @@ bool prof_boot2(void); if (size >= prof_tdata->threshold - \ prof_tdata->accum) { \ bt_init(&bt, prof_tdata->vec); \ - prof_backtrace(&bt, nignore, prof_bt_max); \ + prof_backtrace(&bt, nignore); \ ret = prof_lookup(&bt); \ } else \ ret = (prof_thr_cnt_t *)(uintptr_t)1U; \ |