Re: [Xen-devel] Interrupt levels

[Nicholas Lee <nic-lists@xxxxxxxxxxxxxx>]

On Tue, Mar 08, 2005 at 09:14:55AM +0000, Keir Fraser wrote:
> 
> This can happen if you block/unblock very frequently. The timer 
> interrupt from Xen isn't entirely tick-based -- you also get a timer 
> interrupt every time you are rescheduled.

By block/unblock I assume you mean context switching between different
domains. Is this level normal? Is there a method to track down exactly
is causing the block/unblocking?

> So the large number of timer interrupts indicates lots of unblocking. 
> Really we should hold-off the timer interrupt if the domain was 
> descheduled for less than a jiffy. :-)

Is there a way to fix this at the moment?

Nicholas


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