RE: [Xen-devel] Xenoprof errors with Xen-unstable

["Santos, Jose Renato G" <joserenato.santos@xxxxxx>]

This probably means that your dom0 is missing some xenoprofile patch.
either kernel or oprofile tools.
It is not setting the list of active domains.
Renato 

>> -----Original Message-----
>> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx 
>> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
>> Apparao, Padmashree K
>> Sent: Friday, May 26, 2006 12:03 PM
>> To: Markus Armbruster
>> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
>> Subject: RE: [Xen-devel] Xenoprof errors with Xen-unstable
>> 
>> The files under /dev/Oprofile contain nothing.
>> Active_domains has nothing in it
>> 
>> Thanks
>> - Padma
>> 
>> 
>> -----Original Message-----
>> From: Markus Armbruster [mailto:armbru@xxxxxxxxxx]
>> Sent: Friday, May 26, 2006 11:40 AM
>> To: Apparao, Padmashree K
>> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
>> Subject: Re: [Xen-devel] Xenoprof errors with Xen-unstable
>> 
>> "Apparao, Padmashree K" <padmashree.k.apparao@xxxxxxxxx> writes:
>> 
>> > I am running the latest xen-unstable on linux 2.6.16.13. I get the
>> following
>> > errors on trying to start Oprofile in the guest
>> >
>> > Operation 8 failed for domid 1 (sattus=-1). Could not open profiled
>> device
>> >
>> > And operation 8 in xenoprof.h is enable_virq.
>> >
>> >  
>> >
>> > I have debugged a bit and found that the active_index is 
>> returning -1
>> for the
>> > guest domid.
>> >
>> > Renato suggests debugging the XENOPROF hypercall 
>> set_active as it may
>> not be
>> > adding the domain to the active list.
>> 
>> Quick sanity check: what's the contents of 
>> /dev/oprofile/active_domains on your primary domain?
>> 
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>> http://lists.xensource.com/xen-devel
>> 

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