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xen-devel
Re: [Xen-devel] [PATCH] Avoid triggering the softlockup BUG when offline
On Mon, Nov 27, 2006 at 06:54:26PM +0000, Keir Fraser wrote:
> > FYI, I just made a simple test checking for stolen time instead of
> > offline, and it's in fact called way too oftenly.
>
> That doesn't make sense. Processed_stolen_time should lag at most 1 jiffy
> behind actual stolen time. So you still need to accumulate at least 10*HZ-1
> jiffies of stolen time in one go to end up touching the softlockup watchdog.
> As far as I can see, anyway. What workload did you run to test using stolen
> time?
Thanks for pointing it, Keir.
After going back to it, I found it to be a small mistake of mine. I was
calling the softlockup watchdog before accounting stolen ticks. Calling
it after it does the trick.
I'll resend the patch soon.
--
Glauber de Oliveira Costa
Red Hat Inc.
"Free as in Freedom"
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