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xen-devel
Re: [Xen-devel] Re: xenoprof: operation 9 failed for dom0 (status: -1)
Yeah, I had to modify 0.9.3 to use it with i7. Can send you the patch tomorrow.
-dulloor
On Fri, Nov 6, 2009 at 12:27 PM, Dante Cinco <dantecinco@xxxxxxxxx> wrote:
> I initially tried OProfile 0.9.3 with the oprofile-0.9.3-xen-r2.patch but
> when I tried running "opcontrol --status" in dom0, I got an error message
> about cpu_set or cpu_type and prompted to use a newer version of OProfile (I
> think OProfile 0.9.3 doesn't recognized the Core i7 CPU I'm using). So I
> downloaded OProfile 0.9.5 and manually applied the same patch and it seems
> to work except for the problems I described in my previous email. I'm also
> using Jeremy's latest pvops 2.6.31.5 with Dulloor's xenoprof.patch. I'm also
> using the patched OProfile 0.9.5 in domU (Linux 2.6.30.1).
>
> I realize I'm using a lot of new stuff like pvops 2.6.31.5 (with Xen
> 3.5-unstable changeset 20330) and OProfile 0.9.5 but I thought I'd check
> with you to see if the problems I'm having sound familiar.
>
> Thanks.
>
> Dante
>
> On Thu, Nov 5, 2009 at 6:05 PM, Santos, Jose Renato G
> <joserenato.santos@xxxxxx> wrote:
>>
>> What version of OProfile are you using?
>> Did you apply the Xen patch available in http://xenoprof.sourceforge.net ?
>>
>> Renato
>>
>> ________________________________
>> From: Dante Cinco [mailto:dantecinco@xxxxxxxxx]
>> Sent: Thursday, November 05, 2009 5:16 PM
>> To: Santos, Jose Renato G
>> Cc: Xen-devel
>> Subject: xenoprof: operation 9 failed for dom0 (status: -1)
>> Renato,
>>
>> When I tried running "opcontrol --start" (after previously running
>> "opcontrol --start-daemon") in dom0, I get this error message:
>>
>> /usr/local/bin/opcontrol: line 1639: echo: write error: Operation not
>> permitted
>>
>> and this message in the Xen console:
>>
>> (XEN) xenoprof: operation 9 failed for dom 0 (status : -1)
>>
>> It looks like opcontrol is trying to do this: echo 1 >
>> /dev/oprofile/enable
>>
>> and it is failing. "operation 9" maps to XENOPROF_start which is
>> consistent with running "opcontrol --start." At first, I ignored the error
>> because it gave the indication "Profiler running" but after I ran "opcontrol
>> --shutdown" followed by "opreport" in dom0, I got this error message:
>>
>> error: no sample files found: profile specification too strict ?
>>
>> Do you know why the write error is occurring? I followed the steps in
>> xenoprof_tutorial.ppt.
>>
>> Dante
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
>
>
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