From: Gleb Natapov <gleb@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Brian Rak <brak@gameservers.com>, kvm@vger.kernel.org
Subject: Re: Windows Server 2008R2 KVM guest performance issues
Date: Tue, 27 Aug 2013 11:44:42 +0300 [thread overview]
Message-ID: <20130827084442.GF22899@redhat.com> (raw)
In-Reply-To: <521C656C.9090208@redhat.com>
On Tue, Aug 27, 2013 at 10:38:04AM +0200, Paolo Bonzini wrote:
> Il 27/08/2013 09:38, Gleb Natapov ha scritto:
> > On Tue, Aug 27, 2013 at 09:18:00AM +0200, Paolo Bonzini wrote:
> >>> I've captured 20,000 lines of kvm trace output. This can be found
> >>> https://gist.github.com/devicenull/fa8f49d4366060029ee4/raw/fb89720d34b43920be22e3e9a1d88962bf305da8/trace
> >>
> >> The guest is doing quite a lot of exits per second, mostly to (a) access
> >> the ACPI timer
> > I see a lot of PM timer access not ACPI timer. The solution for that is
> > the patchset Brian linked.
>
> ACPI timer = PM timer, no?
>
My brain often substitute ACPI with APIC, yes you are right.
--
Gleb.
next prev parent reply other threads:[~2013-08-27 8:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-26 19:15 Windows Server 2008R2 KVM guest performance issues Brian Rak
2013-08-26 22:01 ` Brian Rak
2013-08-27 7:18 ` Paolo Bonzini
2013-08-27 7:38 ` Gleb Natapov
2013-08-27 8:38 ` Paolo Bonzini
2013-08-27 8:44 ` Gleb Natapov [this message]
2013-08-27 14:09 ` Brian Rak
2013-08-27 14:44 ` Brian Rak
2013-08-27 15:09 ` Paolo Bonzini
2013-08-27 16:45 ` Brian Rak
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