diff options
| author | Alexandre Oliva <aoliva@redhat.com> | 2013-09-20 11:10:55 -0300 |
|---|---|---|
| committer | Alexandre Oliva <aoliva@redhat.com> | 2013-09-20 11:42:28 -0300 |
| commit | 0653427fdb5b70b8e1fc6189b0e7bdfc6ec920d6 (patch) | |
| tree | 3d1f958c72aa39e8572ba23a5fecedb2b55219eb /malloc | |
| parent | 3ea5be54364ae3344aa7c5c51a1f29f56854b123 (diff) | |
Add probes for all changes to malloc options.
for ChangeLog
* malloc/malloc.c (__libc_free): Add
memory_mallopt_free_dyn_thresholds probe.
(__libc_mallopt): Add multiple memory_mallopt probes.
* manual/probes.texi: Document them.
Diffstat (limited to 'malloc')
| -rw-r--r-- | malloc/malloc.c | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/malloc/malloc.c b/malloc/malloc.c index 97ba34f995..8f1ddf3834 100644 --- a/malloc/malloc.c +++ b/malloc/malloc.c @@ -2896,6 +2896,8 @@ __libc_free(void* mem) { mp_.mmap_threshold = chunksize (p); mp_.trim_threshold = 2 * mp_.mmap_threshold; + LIBC_PROBE (memory_mallopt_free_dyn_thresholds, 2, + mp_.mmap_threshold, mp_.trim_threshold); } munmap_chunk(p); return; @@ -4701,19 +4703,25 @@ int __libc_mallopt(int param_number, int value) switch(param_number) { case M_MXFAST: - if (value >= 0 && value <= MAX_FAST_SIZE) { - set_max_fast(value); - } + if (value >= 0 && value <= MAX_FAST_SIZE) + { + LIBC_PROBE (memory_mallopt_mxfast, 2, value, get_max_fast ()); + set_max_fast(value); + } else res = 0; break; case M_TRIM_THRESHOLD: + LIBC_PROBE (memory_mallopt_trim_threshold, 3, value, + mp_.trim_threshold, mp_.no_dyn_threshold); mp_.trim_threshold = value; mp_.no_dyn_threshold = 1; break; case M_TOP_PAD: + LIBC_PROBE (memory_mallopt_top_pad, 3, value, + mp_.top_pad, mp_.no_dyn_threshold); mp_.top_pad = value; mp_.no_dyn_threshold = 1; break; @@ -4724,33 +4732,45 @@ int __libc_mallopt(int param_number, int value) res = 0; else { + LIBC_PROBE (memory_mallopt_mmap_threshold, 3, value, + mp_.mmap_threshold, mp_.no_dyn_threshold); mp_.mmap_threshold = value; mp_.no_dyn_threshold = 1; } break; case M_MMAP_MAX: + LIBC_PROBE (memory_mallopt_mmap_max, 3, value, + mp_.n_mmaps_max, mp_.no_dyn_threshold); mp_.n_mmaps_max = value; mp_.no_dyn_threshold = 1; break; case M_CHECK_ACTION: + LIBC_PROBE (memory_mallopt_check_action, 2, value, check_action); check_action = value; break; case M_PERTURB: + LIBC_PROBE (memory_mallopt_perturb, 2, value, perturb_byte); perturb_byte = value; break; #ifdef PER_THREAD case M_ARENA_TEST: if (value > 0) - mp_.arena_test = value; + { + LIBC_PROBE (memory_mallopt_arena_test, 2, value, mp_.arena_test); + mp_.arena_test = value; + } break; case M_ARENA_MAX: if (value > 0) - mp_.arena_max = value; + { + LIBC_PROBE (memory_mallopt_arena_max, 2, value, mp_.arena_max); + mp_.arena_max = value; + } break; #endif } |