From: Paolo Bonzini <pbonzini@redhat.com>
To: Andrey Korolyov <andrey@xdel.ru>, Marcelo Tosatti <mtosatti@redhat.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"Сергей Фионов" <sfionov@gmail.com>
Subject: Re: [Qemu-devel] Timer issues with 2.1.1 and migration (was: latest rc: virtio-blk hangs forever after migration)
Date: Tue, 30 Sep 2014 13:19:09 +0200 [thread overview]
Message-ID: <542A91AD.5090304@redhat.com> (raw)
In-Reply-To: <CABYiri82p9NEStCTLiRUH8Ty=wyXhRY8q4Z6BTmoFuAPHjn_bw@mail.gmail.com>
Il 29/09/2014 20:31, Andrey Korolyov ha scritto:
>> >
>> > Can you get a trace of the guest (echo kvm >
>> > /sys/kernel/debug/tracing/set_event; sleep 1s; cp
>> > /sys/kernel/debug/tracing/trace /tmp/trace.txt) while it is in the 100%
>> > cpu consumption state?
>> >
>> > Is it otherwise operational?
>> >
> Yes, but I cannot do this because of specific of a Windows guest :)
> Yes, it fully operational and I just wanted to know if the problem is
> reproducible anywhere else (for example, on 3.10 RHEL kernel which
> includes apic backport). Linux guests are not a subject for this bug
> at all.
Actually that is a trace of the guest, *captured on the host*. So you
can do that with Windows guests.
Paolo
prev parent reply other threads:[~2014-09-30 11:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-25 18:40 [Qemu-devel] Timer issues with 2.1.1 and migration (was: latest rc: virtio-blk hangs forever after migration) Andrey Korolyov
2014-09-29 18:25 ` Marcelo Tosatti
2014-09-29 18:31 ` Andrey Korolyov
2014-09-30 11:19 ` Paolo Bonzini [this message]
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