From: Martin Wawro <martin.wawro@gmail.com>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: kvm <kvm@vger.kernel.org>, Marcelo Tosatti <mtosatti@redhat.com>,
Gleb Natapov <gleb@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [User Question] Repeated severe performance problems on guest
Date: Fri, 19 Apr 2013 08:51:38 +0200 [thread overview]
Message-ID: <5170E97A.1060705@googlemail.com> (raw)
In-Reply-To: <20130419055917.GA27846@stefanha-thinkpad.redhat.com>
On 04/19/2013 07:59 AM, Stefan Hajnoczi wrote:
Hi Stefan,
> BTW does the host CPU support Intel Extended Page Tables or AMD Nested
> Page Tables? grep 'npt\|ept' /proc/cpuinfo
>
> (I think the kvm_stat is saying EPT/NPT are not in use)
Host CPU has EPT.
> That is virt-manager.py, exactly doing that.
> Okay, I was wondering if something is causing libvirt and maybe QEMU to
> act strangely. If its just virt-manager then it's probably not the
> issue.
We upgraded to RHEL 6.4 yesterday. Now running kernel 2.6.32-358 and
qemu-kvm 0.12.1.2-2.355 .
Maybe this does improve something...
Best regards,
Martin
next prev parent reply other threads:[~2013-04-19 6:51 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-12 15:04 [User Question] Repeated severe performance problems on guest Martin Wawro
2013-04-16 5:49 ` Stefan Hajnoczi
2013-04-16 7:49 ` Martin Wawro
2013-04-17 13:53 ` Stefan Hajnoczi
2013-04-17 19:52 ` Martin Wawro
2013-04-18 7:25 ` Stefan Hajnoczi
2013-04-18 10:00 ` Martin Wawro
2013-04-18 13:14 ` Stefan Hajnoczi
2013-04-18 13:27 ` Martin Wawro
2013-04-19 5:59 ` Stefan Hajnoczi
2013-04-19 6:51 ` Martin Wawro [this message]
2013-04-18 7:42 ` Martin Wawro
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