From: Gleb Natapov <gleb@redhat.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: kvm <kvm@vger.kernel.org>
Subject: Re: Suggestions for testing VAPIC / TPR patching
Date: Thu, 19 Jan 2012 11:02:19 +0200 [thread overview]
Message-ID: <20120119090219.GG9571@redhat.com> (raw)
In-Reply-To: <4F17D5E3.1030105@siemens.com>
On Thu, Jan 19, 2012 at 09:35:47AM +0100, Jan Kiszka wrote:
> Hi again,
>
> what is the best way to check if the TPR patching feature of qemu-kvm is
> working and performs efficiently? I suppose Windows XP guests, e.g.? How
> to measure this best? I'm about to start porting it to upstream and like
> to prepare a good test case.
>
Run WindowsXP on AMD HW without vapic and see number of TPR access exits.
Than run it with vapic and check again. Don't forget to check that
reboot et al work.
> Thanks,
> Jan
>
> PS: After the /kvm removal, I'm currently counting a bit more than 7000
> LOC difference in qemu-kvm. We are converging.
>
> --
> Siemens AG, Corporate Technology, CT T DE IT 1
> Corporate Competence Center Embedded Linux
> --
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--
Gleb.
next prev parent reply other threads:[~2012-01-19 9:02 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-19 8:35 Suggestions for testing VAPIC / TPR patching Jan Kiszka
2012-01-19 9:02 ` Gleb Natapov [this message]
2012-01-19 9:14 ` Jan Kiszka
2012-01-19 9:27 ` Gleb Natapov
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