Messages in this thread | | | Date | Wed, 01 May 2013 11:13:03 +0800 | From | Will Huck <> | Subject | Re: OOM-killer and strange RSS value in 3.9-rc7 |
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Hi Christoph, On 04/29/2013 10:49 PM, Christoph Lameter wrote: > On Sat, 27 Apr 2013, Will Huck wrote: > >> Hi Christoph, >> On 04/26/2013 01:17 AM, Christoph Lameter wrote: >>> On Thu, 25 Apr 2013, Han Pingtian wrote: >>> >>>> I have enabled "slub_debug" and here is the >>>> /sys/kernel/slab/kmalloc-512/alloc_calls contents: >>>> >>>> 50 .__alloc_workqueue_key+0x90/0x5d0 age=113630/116957/119419 >>>> pid=1-1730 cpus=0,6-8,13,24,26,44,53,57,60,68 nodes=1 >>>> 11 .__alloc_workqueue_key+0x16c/0x5d0 age=113814/116733/119419 >>>> pid=1-1730 cpus=0,44,68 nodes=1 >>>> 13 .add_sysfs_param.isra.2+0x80/0x210 age=115175/117994/118779 >>>> pid=1-1342 cpus=0,8,12,24,60 nodes=1 >>>> 160 .build_sched_domains+0x108/0xe30 age=119111/119120/119131 pid=1 >>>> cpus=0 nodes=1 >>>> 9000 .alloc_fair_sched_group+0xe4/0x220 age=110549/114471/117357 >>>> pid=1-2290 >>>> cpus=0-1,5,9-11,13,24,29,33,36,38,40-41,45,48-50,53,56-58,60-63,68-69,72-73,76-77,79 >>>> nodes=1 >>>> 9000 .alloc_fair_sched_group+0x114/0x220 age=110549/114471/117357 >>>> pid=1-2290 >>>> cpus=0-1,5,9-11,13,24,29,33,36,38,40-41,45,48-50,53,56-58,60-63,68-69,72-73,76-77,79 >>>> nodes=1 >> Could you explain the meaning of age=xx/xx/xx pid=xx-xx cpus=xx here? >> > Age refers to the mininum / avg / maximum age of the object in ticks.
Why need monitor the age of the object?
> > pid refers to the range of pids by processes running when the objects were > created. > > cpus are the processors on which kernel threads where running when these > objects were allocated. >
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