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

To: "Apparao, Padmashree K" <padmashree.k.apparao@xxxxxxxxx>
Subject: Re: [Xen-devel] Xenoprof errors with Xen-unstable
From: Markus Armbruster <armbru@xxxxxxxxxx>
Date: Fri, 26 May 2006 20:39:47 +0200
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In-reply-to: <B5677069E3D9994D9EE1C7295072EA960A397D7D@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> (Padmashree K. Apparao's message of "Fri, 26 May 2006 11:13:04 -0700")
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"Apparao, Padmashree K" <padmashree.k.apparao@xxxxxxxxx> writes:

> I am running the latest xen-unstable on linux 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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