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slub: update slabinfo tools to report per cpu partial list statistics

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Update the slabinfo tool to report the stats on per cpu partial list usage.

Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Christoph Lameter 2011-08-09 16:12:28 -05:00 committed by Pekka Enberg
parent 49e2258586
commit aca726a07a
1 changed files with 8 additions and 0 deletions
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8
tools/slub/slabinfo.c
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@ -42,6 +42,7 @@ struct slabinfo {
unsigned long deactivate_remote_frees, order_fallback;
unsigned long cmpxchg_double_cpu_fail, cmpxchg_double_fail;
unsigned long alloc_node_mismatch, deactivate_bypass;
unsigned long cpu_partial_alloc, cpu_partial_free;
int numa[MAX_NODES];
int numa_partial[MAX_NODES];
} slabinfo[MAX_SLABS];
@ -455,6 +456,11 @@ static void slab_stats(struct slabinfo *s)
s->alloc_from_partial * 100 / total_alloc,
s->free_remove_partial * 100 / total_free);
printf("Cpu partial list %8lu %8lu %3lu %3lu\n",
s->cpu_partial_alloc, s->cpu_partial_free,
s->cpu_partial_alloc * 100 / total_alloc,
s->cpu_partial_free * 100 / total_free);
printf("RemoteObj/SlabFrozen %8lu %8lu %3lu %3lu\n",
s->deactivate_remote_frees, s->free_frozen,
s->deactivate_remote_frees * 100 / total_alloc,
@ -1209,6 +1215,8 @@ static void read_slab_dir(void)
slab->order_fallback = get_obj("order_fallback");
slab->cmpxchg_double_cpu_fail = get_obj("cmpxchg_double_cpu_fail");
slab->cmpxchg_double_fail = get_obj("cmpxchg_double_fail");
slab->cpu_partial_alloc = get_obj("cpu_partial_alloc");
slab->cpu_partial_free = get_obj("cpu_partial_free");
slab->alloc_node_mismatch = get_obj("alloc_node_mismatch");
slab->deactivate_bypass = get_obj("deactivate_bypass");
chdir("..");