RE: [Xen-devel] cpuidle causing Dom0 soft lockups

["Tian, Kevin" <kevin.tian@xxxxxxxxx>]

>From: Jan Beulich [mailto:JBeulich@xxxxxxxxxx] 
>Sent: 2010年2月5日 23:52
>
>>>> "Jan Beulich" <JBeulich@xxxxxxxxxx> 05.02.10 15:59 >>>
>>Next I'll do is try to detect when the duty CPU is de-scheduled, and
>>move on the duty to one that is scheduled (i.e. one that is currently
>>executing timer_interrupt()).
>
>This improves the situation (the highest spike I saw so far was 2,000
>interrupts per CPU per second), but doesn't get it back the way it
>ought to be (apart from the spikes, as with the original version of the
>patch, interrupt activity is also generally too high, very erratic, and
>even during the more quiet periods doesn't go down to the original
>level).
>

could you send out your new patch? in same time, tweaking singleshot
timer stat from Xen side would be helpful as I said earlier. :-)

Thanks,
Kevin

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel