lkml.org 
[lkml]   [2011]   [Aug]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[slub p4 7/7] 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: Christoph Lameter <cl@linux.com>


---
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 2011-08-09 14:36:34.245334733 -0500
+++ linux-2.6/tools/slub/slabinfo.c 2011-08-09 16:01:30.392982425 -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("..");


\
 
 \ /
  Last update: 2011-08-09 23:17    [W:0.108 / U:0.536 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site