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Commit aca726a0 authored by Christoph Lameter's avatar Christoph Lameter Committed by Pekka Enberg
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slub: update slabinfo tools to report per cpu partial list statistics 



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

Signed-off-by: default avatarChristoph Lameter <cl@linux.com>
Signed-off-by: default avatarPekka Enberg <penberg@kernel.org>
parent 49e22585

tools/slub/slabinfo.c

+8 −0
Original line number Diff line number Diff line
@@ -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("..");