On Fri, Feb 17, 2012 at 03:01:07PM +0100, David Cure wrote:
> Le Fri, Feb 17, 2012 at 12:07:14PM +0200, Gleb Natapov ecrivait :
> >
> > > > Can you do the trace again with -no-hpet on the command line?
> > >
> > > Is there a way to only trace events on specific VM ?
> > >
> > -P pid
>
> ok. I take a trace of the VM with 1 user : start trace just
> before to launch slowly function and stop trace just after the function
> finish.
> the report is available here
> http://www.roullier.net/report-no-hpet.txt.gz
>
How have you acquired this trace? It does not trace all kvm events only
those that have "set_irq" in them.
> I hope you can see something strange,
>
Nothing particularly strange here. ~1745 IRQs are injected into the
guest each second. RTC clock is configured to 1kH and other devices
contribute ~721 irqs (MSI mostly) per second more. Hardly unusual.
--
Gleb.
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