Re: [Xen-devel] Unable to use software counters

[Mark Williamson <mark.williamson@xxxxxxxxxxxx>]

You probably have a stale object file having around.  Do a make clean, then a 
perfc=y make.

Cheers,
Mark

On Wednesday 14 November 2007, Jyotirmaya Tripathi wrote:
> Thanks for quick reply.
> I tried as follows
>
> perfc=y make  : which builds xen and installs it in dist directory
> sh ./install.sh  : which installs xen in /boot
>
> But still I am getting same error. Any idea where I am wrong?
>
> On Nov 14, 2007 12:12 PM, Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> wrote:
> >  Performance counters are not built into Xen by default. You need to
> > build Xen with 'perfc=y make'.
> >
> >  -- Keir
> >
> > On 14/11/07 17:09, "Jyotirmaya Tripathi" <jyotirmaya.tripathi@xxxxxxxxx>
> > wrote:
> >
> > Hi All
> >
> > I want to use software counters available via "xenperf". However I get
> > this error
> > "Error getting number of perf counters: 38 (Function not implemented)".
> > Am I missing something? Some configuration or option which needs to be
> > turned on before I can use these counters. Any help would be much
> > appreciated.
> >
> > I am using Xen 3.1.0 x86_64



-- 
Dave: Just a question. What use is a unicyle with no seat?  And no pedals!
Mark: To answer a question with a question: What use is a skateboard?
Dave: Skateboards have wheels.
Mark: My wheel has a wheel!

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