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From: Avi Kivity <avi@redhat.com>
To: Erik Rull <erik.rull@rdsoftware.de>
Cc: kvm@vger.kernel.org
Subject: Re: XP smp using a lot of CPU
Date: Mon, 18 May 2009 00:35:40 +0300	[thread overview]
Message-ID: <4A10832C.7030308@redhat.com> (raw)
In-Reply-To: <4A0B2C57.10900@rdsoftware.de>

Erik Rull wrote:
> Hi all,
>
> very very interesting.
>
> I have a similar problem but the other way round.
> If my XP runs up tp 100% CPU usage "top" on the linux host reports 
> "only" 33% cpu usage. I would expect around 50% because I only provide 
> one core for the guest. I already increased the process priority of 
> qemu and the io priority, nothing helped. The rest of the CPU is 
> nearly idle, no excessive disk access this time :-)
>
> Any Idea what this could be?

What workload is the guest running?

What is your host cpu type (/proc/cpuinfo)?



-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.


  reply	other threads:[~2009-05-17 21:35 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-13  0:41 XP smp using a lot of CPU Ross Boylan
2009-05-13  1:05 ` Elias Probst
2009-05-13  6:56 ` Avi Kivity
2009-05-14 14:10   ` Kevin Shanahan
2009-05-14 20:01   ` Ross Boylan
     [not found]     ` <20090515145651.GB6304@amt.cnet>
2009-05-15 15:41       ` Ross Boylan
2009-05-15 20:24         ` XP smp using a lot of CPU [SOLVED] Ross Boylan
2009-05-15 23:00           ` Brian Jackson
2009-05-13 20:23 ` XP smp using a lot of CPU Erik Rull
2009-05-17 21:35   ` Avi Kivity [this message]
2009-05-19 17:35     ` Erik Rull
2009-05-20 12:01       ` Avi Kivity
2009-05-20 20:00         ` Erik Rull
2009-05-24 11:42           ` Avi Kivity
2009-05-25 10:01             ` Erik Rull
2009-05-25 10:46               ` Avi Kivity
     [not found] ` <fupb74dtcl3kru3oo7UYAxe124vaj_firegpg@mail.gmail.com>
2009-05-14 10:25   ` Johannes Schlatow
2009-05-14 15:40   ` Ross Boylan

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