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[Xen-devel] Re: High cpu load for events/0 on dom0

To: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>
Subject: [Xen-devel] Re: High cpu load for events/0 on dom0
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Tue, 12 Oct 2010 11:35:40 -0700
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
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 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

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