High cpu load for events/0 on dom0

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* High cpu load for events/0 on dom0
@ 2010-10-11  8:02 Sander Eikelenboom
  2010-10-12 18:35 ` Jeremy Fitzhardinge
  0 siblings, 1 reply; 2+ messages in thread
From: Sander Eikelenboom @ 2010-10-11  8:02 UTC (permalink / raw)
  To: Jeremy Fitzhardinge, Konrad Rzeszutek Wilk; +Cc: xen-devel

Hi Jeremy,

I saw a thread ( http://140.211.166.79/mailarchive/linux-kernel/2010/9/27/4625011/thread ) about events/0 on dom0 giving a high cpuload related to xenconsoled and tty.

I'm experiencing the same, is there all ready a fix for this problem ? Perhaps there could also be a relation to my freezes which seem te happen on CPU0 according to the RCU cpu stall ?

--

Sander

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: High cpu load for events/0 on dom0
  2010-10-11  8:02 High cpu load for events/0 on dom0 Sander Eikelenboom
@ 2010-10-12 18:35 ` Jeremy Fitzhardinge
  0 siblings, 0 replies; 2+ messages in thread
From: Jeremy Fitzhardinge @ 2010-10-12 18:35 UTC (permalink / raw)
  To: Sander Eikelenboom; +Cc: xen-devel@lists.xensource.com, Konrad Rzeszutek Wilk

 On 10/11/2010 01:02 AM, Sander Eikelenboom wrote:
> Hi Jeremy,
>
> I saw a thread ( http://140.211.166.79/mailarchive/linux-kernel/2010/9/27/4625011/thread ) about events/0 on dom0 giving a high cpuload related to xenconsoled and tty.

It isn't really a high cpu load, just a lot of wakeups.  It amounts to
~1% CPU use.

> I'm experiencing the same, is there all ready a fix for this problem ?

No.

>  Perhaps there could also be a relation to my freezes which seem te happen on CPU0 according to the RCU cpu stall ?

No.

    J

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2010-10-11  8:02 High cpu load for events/0 on dom0 Sander Eikelenboom
2010-10-12 18:35 ` Jeremy Fitzhardinge

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