[slub p3 7/7] slub: update slabinfo tools to report per cpu partial list statistics

[Christoph Lameter]

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

Signed-off-by: Christoph Lameter <cl@xxxxxxxxx>


---
 tools/slub/slabinfo.c |    8 ++++++++
 1 file changed, 8 insertions(+)

Index: linux-2.6/tools/slub/slabinfo.c
===================================================================
--- linux-2.6.orig/tools/slub/slabinfo.c	2011-08-01 11:03:01.275859455 -0500
+++ linux-2.6/tools/slub/slabinfo.c	2011-08-01 11:04:45.125858790 -0500
@@ -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->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("..");

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