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xen-devel
Re: [Xen-devel] Interrupt levels
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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