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| author | Alexandre Oliva <aoliva@redhat.com> | 2013-09-20 11:10:55 -0300 |
|---|---|---|
| committer | Alexandre Oliva <aoliva@redhat.com> | 2013-09-20 11:50:08 -0300 |
| commit | 35fed6f15d3d29c02203a3fe2e446e205d45b0ff (patch) | |
| tree | 22861471442264b51f40c4619169ad13ad269426 /malloc | |
| parent | 6999d38c953e568f0488572c0a68cba32286a2c3 (diff) | |
| download | glibc-35fed6f15d3d29c02203a3fe2e446e205d45b0ff.tar.gz | |
Add probes for malloc retries.
for ChangeLog
* malloc/malloc.c (__libc_malloc): Add memory_malloc_retry probe.
(__libc_realloc): Add memory_realloc_retry probe.
(__libc_memalign): Add memory_memalign_retry probe.
(__libc_valloc): Add memory_valloc_retry probe.
(__libc_pvalloc): Add memory_pvalloc_retry probe.
(__libc_calloc): Add memory_calloc_retry probe.
* manual/probes.texi: Document them.
Diffstat (limited to 'malloc')
| -rw-r--r-- | malloc/malloc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/malloc/malloc.c b/malloc/malloc.c index c5b3c7cae8..5b4fcff70e 100644 --- a/malloc/malloc.c +++ b/malloc/malloc.c @@ -2856,6 +2856,7 @@ __libc_malloc(size_t bytes) return 0; victim = _int_malloc(ar_ptr, bytes); if(!victim) { + LIBC_PROBE (memory_malloc_retry, 1, bytes); ar_ptr = arena_get_retry(ar_ptr, bytes); if (__builtin_expect(ar_ptr != NULL, 1)) { victim = _int_malloc(ar_ptr, bytes); @@ -2991,6 +2992,7 @@ __libc_realloc(void* oldmem, size_t bytes) if (newp == NULL) { /* Try harder to allocate memory in other arenas. */ + LIBC_PROBE (memory_realloc_retry, 2, bytes, oldmem); newp = __libc_malloc(bytes); if (newp != NULL) { @@ -3032,6 +3034,7 @@ __libc_memalign(size_t alignment, size_t bytes) return 0; p = _int_memalign(ar_ptr, alignment, bytes); if(!p) { + LIBC_PROBE (memory_memalign_retry, 2, bytes, alignment); ar_ptr = arena_get_retry (ar_ptr, bytes); if (__builtin_expect(ar_ptr != NULL, 1)) { p = _int_memalign(ar_ptr, alignment, bytes); @@ -3075,6 +3078,7 @@ __libc_valloc(size_t bytes) return 0; p = _int_valloc(ar_ptr, bytes); if(!p) { + LIBC_PROBE (memory_valloc_retry, 1, bytes); ar_ptr = arena_get_retry (ar_ptr, bytes); if (__builtin_expect(ar_ptr != NULL, 1)) { p = _int_memalign(ar_ptr, pagesz, bytes); @@ -3116,6 +3120,7 @@ __libc_pvalloc(size_t bytes) arena_get(ar_ptr, bytes + 2*pagesz + MINSIZE); p = _int_pvalloc(ar_ptr, bytes); if(!p) { + LIBC_PROBE (memory_pvalloc_retry, 1, bytes); ar_ptr = arena_get_retry (ar_ptr, bytes + 2*pagesz + MINSIZE); if (__builtin_expect(ar_ptr != NULL, 1)) { p = _int_memalign(ar_ptr, pagesz, rounded_bytes); @@ -3192,6 +3197,7 @@ __libc_calloc(size_t n, size_t elem_size) av == arena_for_chunk(mem2chunk(mem))); if (mem == 0) { + LIBC_PROBE (memory_calloc_retry, 1, sz); av = arena_get_retry (av, sz); if (__builtin_expect(av != NULL, 1)) { mem = _int_malloc(av, sz); |