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authorAlexandre Oliva <aoliva@redhat.com>2013-09-20 11:10:54 -0300
committerAlexandre Oliva <aoliva@redhat.com>2013-09-20 11:10:54 -0300
commit3ea5be54364ae3344aa7c5c51a1f29f56854b123 (patch)
tree3cee52510a62de3ec43e9531c0eea434a30c9e48 /malloc
parent3e181ddac9c1ca204df56eea3dbec414968e182a (diff)
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Add first set of memory probes.
for ChangeLog * malloc/malloc.c: Include stap-probe.h. (__libc_mallopt): Add memory_mallopt probe. * malloc/arena.c (_int_new_arena): Add memory_arena_new probe. * manual/probes.texi: New. * manual/Makefile (chapters): Add probes. * manual/threads.texi: Set next node.
Diffstat (limited to 'malloc')
-rw-r--r--malloc/arena.c1
-rw-r--r--malloc/malloc.c4
2 files changed, 5 insertions, 0 deletions
diff --git a/malloc/arena.c b/malloc/arena.c
index 12a48ad7ba..0822fc85d5 100644
--- a/malloc/arena.c
+++ b/malloc/arena.c
@@ -736,6 +736,7 @@ _int_new_arena(size_t size)
top(a) = (mchunkptr)ptr;
set_head(top(a), (((char*)h + h->size) - ptr) | PREV_INUSE);
+ LIBC_PROBE (memory_arena_new, 2, a, size);
tsd_setspecific(arena_key, (void *)a);
mutex_init(&a->mutex);
(void)mutex_lock(&a->mutex);
diff --git a/malloc/malloc.c b/malloc/malloc.c
index f7718a9c9a..97ba34f995 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -1878,6 +1878,8 @@ static int perturb_byte;
#define free_perturb(p, n) memset (p, perturb_byte & 0xff, n)
+#include <stap-probe.h>
+
/* ------------------- Support for multiple arenas -------------------- */
#include "arena.c"
@@ -4695,6 +4697,8 @@ int __libc_mallopt(int param_number, int value)
/* Ensure initialization/consolidation */
malloc_consolidate(av);
+ LIBC_PROBE (memory_mallopt, 2, param_number, value);
+
switch(param_number) {
case M_MXFAST:
if (value >= 0 && value <= MAX_FAST_SIZE) {