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c6d234 |
commit bdfe308a166b433a841d5c9ae256560c18bce640
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c6d234 |
Author: Ondřej Bílka <neleai@seznam.cz>
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c6d234 |
Date: Mon Feb 10 12:25:04 2014 +0100
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c6d234 |
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c6d234 |
Remove THREAD_STATS.
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c6d234 |
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c6d234 |
A THREAD_STATS macro duplicates gathering information that could be
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c6d234 |
obtained by systemtap probes instead.
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c6d234 |
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c6d234 |
Conflicts:
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c6d234 |
malloc/arena.c
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c6d234 |
malloc/malloc.c
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c6d234 |
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c6d234 |
Textual conflicts due to independent malloc backports.
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c6d234 |
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c6d234 |
diff --git a/malloc/arena.c b/malloc/arena.c
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c6d234 |
index f5e97fadc17ad92d..fe4ec8de614454c9 100644
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c6d234 |
--- a/malloc/arena.c
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c6d234 |
+++ b/malloc/arena.c
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c6d234 |
@@ -40,14 +40,6 @@
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c6d234 |
mmap threshold, so that requests with a size just below that
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c6d234 |
threshold can be fulfilled without creating too many heaps. */
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c6d234 |
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c6d234 |
-
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c6d234 |
-#ifndef THREAD_STATS
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c6d234 |
-#define THREAD_STATS 0
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c6d234 |
-#endif
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c6d234 |
-
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c6d234 |
-/* If THREAD_STATS is non-zero, some statistics on mutex locking are
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c6d234 |
- computed. */
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c6d234 |
-
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c6d234 |
/***************************************************************************/
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c6d234 |
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c6d234 |
#define top(ar_ptr) ((ar_ptr)->top)
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c6d234 |
@@ -101,13 +93,6 @@ static mstate free_list;
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c6d234 |
acquired. */
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c6d234 |
static mutex_t list_lock = MUTEX_INITIALIZER;
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c6d234 |
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c6d234 |
-#if THREAD_STATS
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c6d234 |
-static int stat_n_heaps;
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c6d234 |
-#define THREAD_STAT(x) x
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c6d234 |
-#else
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c6d234 |
-#define THREAD_STAT(x) do ; while(0)
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c6d234 |
-#endif
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c6d234 |
-
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c6d234 |
/* Mapped memory in non-main arenas (reliable only for NO_THREADS). */
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c6d234 |
static unsigned long arena_mem;
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c6d234 |
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c6d234 |
@@ -583,7 +568,6 @@ new_heap(size_t size, size_t top_pad)
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c6d234 |
h = (heap_info *)p2;
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c6d234 |
h->size = size;
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c6d234 |
h->mprotect_size = size;
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c6d234 |
- THREAD_STAT(stat_n_heaps++);
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c6d234 |
LIBC_PROBE (memory_heap_new, 2, h, h->size);
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c6d234 |
return h;
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c6d234 |
}
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c6d234 |
@@ -811,8 +795,6 @@ _int_new_arena(size_t size)
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c6d234 |
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c6d234 |
(void) mutex_lock (&a->mutex);
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c6d234 |
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c6d234 |
- THREAD_STAT(++(a->stat_lock_loop));
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c6d234 |
-
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c6d234 |
return a;
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c6d234 |
}
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c6d234 |
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c6d234 |
@@ -844,7 +826,6 @@ get_free_list (void)
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c6d234 |
LIBC_PROBE (memory_arena_reuse_free_list, 1, result);
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c6d234 |
(void)mutex_lock(&result->mutex);
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c6d234 |
tsd_setspecific(arena_key, (void *)result);
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c6d234 |
- THREAD_STAT(++(result->stat_lock_loop));
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c6d234 |
}
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c6d234 |
}
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c6d234 |
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c6d234 |
@@ -941,7 +922,6 @@ reused_arena (mstate avoid_arena)
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c6d234 |
}
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c6d234 |
LIBC_PROBE (memory_arena_reuse, 2, result, avoid_arena);
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c6d234 |
tsd_setspecific(arena_key, (void *)result);
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c6d234 |
- THREAD_STAT(++(result->stat_lock_loop));
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c6d234 |
next_to_use = result->next;
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c6d234 |
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c6d234 |
return result;
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c6d234 |
diff --git a/malloc/malloc.c b/malloc/malloc.c
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c6d234 |
index fc86b344ee3b3a7c..9d3b24ee0c137a1b 100644
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c6d234 |
--- a/malloc/malloc.c
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c6d234 |
+++ b/malloc/malloc.c
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c6d234 |
@@ -1712,11 +1712,6 @@ struct malloc_state {
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c6d234 |
/* Flags (formerly in max_fast). */
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c6d234 |
int flags;
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c6d234 |
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c6d234 |
-#if THREAD_STATS
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c6d234 |
- /* Statistics for locking. Only used if THREAD_STATS is defined. */
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c6d234 |
- long stat_lock_direct, stat_lock_loop, stat_lock_wait;
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c6d234 |
-#endif
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c6d234 |
-
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
/* Fastbins */
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
mfastbinptr fastbinsY[NFASTBINS];
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
@@ -3015,17 +3010,7 @@ __libc_realloc(void* oldmem, size_t bytes)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
return newmem;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
}
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
-#if THREAD_STATS
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- if(!mutex_trylock(&ar_ptr->mutex))
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- ++(ar_ptr->stat_lock_direct);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- else {
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- (void)mutex_lock(&ar_ptr->mutex);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- ++(ar_ptr->stat_lock_wait);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- }
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
-#else
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
(void)mutex_lock(&ar_ptr->mutex);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
-#endif
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
-
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
newp = _int_realloc(ar_ptr, oldp, oldsize, nb);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
@@ -3941,16 +3926,7 @@ _int_free(mstate av, mchunkptr p, int have_lock)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
else if (!chunk_is_mmapped(p)) {
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
if (! have_lock) {
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
-#if THREAD_STATS
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- if(!mutex_trylock(&av->mutex))
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- ++(av->stat_lock_direct);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- else {
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- (void)mutex_lock(&av->mutex);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- ++(av->stat_lock_wait);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- }
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
-#else
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
(void)mutex_lock(&av->mutex);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
-#endif
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
locked = 1;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
}
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
@@ -4713,9 +4689,6 @@ __malloc_stats (void)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
int i;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
mstate ar_ptr;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
unsigned int in_use_b = mp_.mmapped_mem, system_b = in_use_b;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
-#if THREAD_STATS
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- long stat_lock_direct = 0, stat_lock_loop = 0, stat_lock_wait = 0;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
-#endif
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
if(__malloc_initialized < 0)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
ptmalloc_init ();
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
@@ -4737,11 +4710,6 @@ __malloc_stats (void)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
#endif
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
system_b += mi.arena;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
in_use_b += mi.uordblks;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
-#if THREAD_STATS
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- stat_lock_direct += ar_ptr->stat_lock_direct;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- stat_lock_loop += ar_ptr->stat_lock_loop;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- stat_lock_wait += ar_ptr->stat_lock_wait;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
-#endif
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
(void)mutex_unlock(&ar_ptr->mutex);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
ar_ptr = ar_ptr->next;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
if(ar_ptr == &main_arena) break;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
@@ -4752,14 +4720,6 @@ __malloc_stats (void)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
fprintf(stderr, "max mmap regions = %10u\n", (unsigned int)mp_.max_n_mmaps);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
fprintf(stderr, "max mmap bytes = %10lu\n",
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
(unsigned long)mp_.max_mmapped_mem);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
-#if THREAD_STATS
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- fprintf(stderr, "heaps created = %10d\n", stat_n_heaps);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- fprintf(stderr, "locked directly = %10ld\n", stat_lock_direct);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- fprintf(stderr, "locked in loop = %10ld\n", stat_lock_loop);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- fprintf(stderr, "locked waiting = %10ld\n", stat_lock_wait);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- fprintf(stderr, "locked total = %10ld\n",
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
- stat_lock_direct + stat_lock_loop + stat_lock_wait);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
-#endif
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
((_IO_FILE *) stderr)->_flags2 |= old_flags2;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
_IO_funlockfile (stderr);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
c6d234 |
}
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