diff options
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | NEWS | 38 | ||||
| -rw-r--r-- | malloc/malloc.c | 51 |
3 files changed, 59 insertions, 38 deletions
@@ -1,3 +1,11 @@ +2012-05-16 Paul Pluzhnikov <ppluzhnikov@google.com> + + [BZ #208] + * malloc.c (int_mallinfo): Add parameter to accumulate statistics + in instead of returning them. Return void. + (__libc_mallinfo): Accumulate over all arenas. + (__malloc_stats): Adjust for change in int_mallinfo interface. + 2012-05-16 Roland McGrath <roland@hack.frob.com> [BZ #10375] @@ -9,25 +9,25 @@ Version 2.16 * The following bugs are resolved with this release: - 174, 350, 369, 411, 706, 766, 887, 2074, 2541, 2547, 2548, 2550, 2551, - 2552, 2553, 2554, 2562, 2563, 2565, 2566, 2570, 2576, 2636, 2678, 3335, - 3440, 3748, 3768, 3866, 3868, 3906, 3976, 3992, 4026, 4108, 4596, 4822, - 5077, 5461, 5805, 5993, 6471, 6486, 6578, 6649, 6730, 6770, 6794, 6884, - 6890, 6894, 6895, 6907, 6911, 6959, 7064, 9739, 9902, 10110, 10135, 10140, - 10153, 10210, 10254, 10346, 10375 10545, 10716, 11174, 11322, 11365, - 11451, 11494, 11521, 11677, 11837, 11959, 12047, 12097, 12193, 12297, - 12298, 12301, 12340, 12354, 13058, 13361, 13525, 13526, 13527, 13528, - 13529, 13530, 13531, 13532, 13533, 13547, 13551, 13552, 13553, 13555, - 13556, 13559, 13563, 13566, 13583, 13592, 13594, 13613, 13618, 13637, - 13656, 13658, 13673, 13691, 13695, 13704, 13705, 13706, 13726, 13738, - 13739, 13750, 13758, 13760, 13761, 13775, 13786, 13787, 13792, 13806, - 13824, 13840, 13841, 13844, 13846, 13851, 13852, 13854, 13871, 13872, - 13873, 13879, 13883, 13884, 13885, 13886, 13892, 13895, 13908, 13910, - 13911, 13912, 13913, 13914, 13915, 13916, 13917, 13918, 13919, 13920, - 13921, 13922, 13923, 13924, 13926, 13927, 13928, 13938, 13941, 13942, - 13954, 13955, 13956, 13963, 13967, 13970, 13973, 13979, 13983, 13986, - 14012, 14027, 14033, 14034, 14040, 14043, 14044, 14049, 14053, 14055, - 14064, 14080, 14083, 14103, 14104, 14109 + 174, 208, 350, 369, 411, 706, 766, 887, 2074, 2541, 2547, 2548, 2550, + 2551, 2552, 2553, 2554, 2562, 2563, 2565, 2566, 2570, 2576, 2636, 2678, + 3335, 3440, 3748, 3768, 3866, 3868, 3906, 3976, 3992, 4026, 4108, 4596, + 4822, 5077, 5461, 5805, 5993, 6471, 6486, 6578, 6649, 6730, 6770, 6794, + 6884, 6890, 6894, 6895, 6907, 6911, 6959, 7064, 9739, 9902, 10110, + 10135, 10140, 10153, 10210, 10254, 10346, 10375 10545, 10716, 11174, + 11322, 11365, 11451, 11494, 11521, 11677, 11837, 11959, 12047, 12097, + 12193, 12297, 12298, 12301, 12340, 12354, 13058, 13361, 13525, 13526, + 13527, 13528, 13529, 13530, 13531, 13532, 13533, 13547, 13551, 13552, + 13553, 13555, 13556, 13559, 13563, 13566, 13583, 13592, 13594, 13613, + 13618, 13637, 13656, 13658, 13673, 13691, 13695, 13704, 13705, 13706, + 13726, 13738, 13739, 13750, 13758, 13760, 13761, 13775, 13786, 13787, + 13792, 13806, 13824, 13840, 13841, 13844, 13846, 13851, 13852, 13854, + 13871, 13872, 13873, 13879, 13883, 13884, 13885, 13886, 13892, 13895, + 13908, 13910, 13911, 13912, 13913, 13914, 13915, 13916, 13917, 13918, + 13919, 13920, 13921, 13922, 13923, 13924, 13926, 13927, 13928, 13938, + 13941, 13942, 13954, 13955, 13956, 13963, 13967, 13970, 13973, 13979, + 13983, 13986, 14012, 14027, 14033, 14034, 14040, 14043, 14044, 14049, + 14053, 14055, 14064, 14080, 14083, 14103, 14104, 14109 * ISO C11 support: diff --git a/malloc/malloc.c b/malloc/malloc.c index 79cdc52330..abe38723be 100644 --- a/malloc/malloc.c +++ b/malloc/malloc.c @@ -4513,12 +4513,12 @@ __malloc_usable_size(void* m) /* ------------------------------ mallinfo ------------------------------ + Accumulate malloc statistics for arena AV into M. */ -static struct mallinfo -int_mallinfo(mstate av) +static void +int_mallinfo(mstate av, struct mallinfo *m) { - struct mallinfo mi; size_t i; mbinptr b; mchunkptr p; @@ -4558,29 +4558,40 @@ int_mallinfo(mstate av) } } - mi.smblks = nfastblocks; - mi.ordblks = nblocks; - mi.fordblks = avail; - mi.uordblks = av->system_mem - avail; - mi.arena = av->system_mem; - mi.hblks = mp_.n_mmaps; - mi.hblkhd = mp_.mmapped_mem; - mi.fsmblks = fastavail; - mi.keepcost = chunksize(av->top); - mi.usmblks = mp_.max_total_mem; - return mi; + m->smblks += nfastblocks; + m->ordblks += nblocks; + m->fordblks += avail; + m->uordblks += av->system_mem - avail; + m->arena += av->system_mem; + m->fsmblks += fastavail; + if (av == &main_arena) + { + m->hblks = mp_.n_mmaps; + m->hblkhd = mp_.mmapped_mem; + m->usmblks = mp_.max_total_mem; + m->keepcost = chunksize(av->top); + } } struct mallinfo __libc_mallinfo() { struct mallinfo m; + mstate ar_ptr; if(__malloc_initialized < 0) ptmalloc_init (); - (void)mutex_lock(&main_arena.mutex); - m = int_mallinfo(&main_arena); - (void)mutex_unlock(&main_arena.mutex); + + memset(&m, 0, sizeof (m)); + ar_ptr = &main_arena; + do { + (void)mutex_lock(&ar_ptr->mutex); + int_mallinfo(ar_ptr, &m); + (void)mutex_unlock(&ar_ptr->mutex); + + ar_ptr = ar_ptr->next; + } while (ar_ptr != &main_arena); + return m; } @@ -4593,7 +4604,6 @@ __malloc_stats() { int i; mstate ar_ptr; - struct mallinfo mi; unsigned int in_use_b = mp_.mmapped_mem, system_b = in_use_b; #if THREAD_STATS long stat_lock_direct = 0, stat_lock_loop = 0, stat_lock_wait = 0; @@ -4605,8 +4615,11 @@ __malloc_stats() int old_flags2 = ((_IO_FILE *) stderr)->_flags2; ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; for (i=0, ar_ptr = &main_arena;; i++) { + struct mallinfo mi; + + memset(&mi, 0, sizeof(mi)); (void)mutex_lock(&ar_ptr->mutex); - mi = int_mallinfo(ar_ptr); + int_mallinfo(ar_ptr, &mi); fprintf(stderr, "Arena %d:\n", i); fprintf(stderr, "system bytes = %10u\n", (unsigned int)mi.arena); fprintf(stderr, "in use bytes = %10u\n", (unsigned int)mi.uordblks); |