From: Paolo Bonzini <pbonzini@redhat.com>
To: Peter Lieven <lieven-lists@dlhnet.de>
Cc: Zhang Haoyu <ahzhanghaoyu@gmail.com>,
Bug 1100843 <1100843@bugs.launchpad.net>,
gleb@redhat.com, eblake@redhat.com, quintela@redhat.com,
afaerber@suse.de, xiaoguangrong@linux.vnet.ibm.com,
mtosatti@redhat.com, kvm@vger.kernel.org, mst@redhat.com,
qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [Bug 1100843] Re: Live Migration Causes Performance Issues
Date: Mon, 07 Oct 2013 11:37:11 +0200 [thread overview]
Message-ID: <525280C7.2050402@redhat.com> (raw)
In-Reply-To: <525256FC.6060608@dlhnet.de>
Il 07/10/2013 08:38, Peter Lieven ha scritto:
> On 06.10.2013 15:57, Zhang Haoyu wrote:
>>> >From my testing this has been fixed in the saucy version (1.5.0) of
>> qemu. It is fixed by this patch:
>>> f1c72795af573b24a7da5eb52375c9aba8a37972
>>>
>>> However later in the history this commit was reverted, and again broke
>> this. The other commit that fixes this is:
>>> 211ea74022f51164a7729030b28eec90b6c99a08
>>>
>> See below post,please.
>> https://lists.gnu.org/archive/html/qemu-devel/2013-08/msg05062.html
>
> I would still like to fix qemu to not load roms etc. if we set up a
> migration target. In this case
> we could drop the madvise, skip the checking for zero pages and also
> could avoid sending
> zero pages at all. It would be the cleanest solution.
It's in general not easy to do this if you take non-x86 targets into
account.
Paolo
WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: Peter Lieven <lieven-lists@dlhnet.de>
Cc: kvm@vger.kernel.org, gleb@redhat.com, quintela@redhat.com,
mtosatti@redhat.com, qemu-devel <qemu-devel@nongnu.org>,
Zhang Haoyu <ahzhanghaoyu@gmail.com>,
xiaoguangrong@linux.vnet.ibm.com,
Bug 1100843 <1100843@bugs.launchpad.net>,
mst@redhat.com, afaerber@suse.de
Subject: Re: [Qemu-devel] [Bug 1100843] Re: Live Migration Causes Performance Issues
Date: Mon, 07 Oct 2013 11:37:11 +0200 [thread overview]
Message-ID: <525280C7.2050402@redhat.com> (raw)
In-Reply-To: <525256FC.6060608@dlhnet.de>
Il 07/10/2013 08:38, Peter Lieven ha scritto:
> On 06.10.2013 15:57, Zhang Haoyu wrote:
>>> >From my testing this has been fixed in the saucy version (1.5.0) of
>> qemu. It is fixed by this patch:
>>> f1c72795af573b24a7da5eb52375c9aba8a37972
>>>
>>> However later in the history this commit was reverted, and again broke
>> this. The other commit that fixes this is:
>>> 211ea74022f51164a7729030b28eec90b6c99a08
>>>
>> See below post,please.
>> https://lists.gnu.org/archive/html/qemu-devel/2013-08/msg05062.html
>
> I would still like to fix qemu to not load roms etc. if we set up a
> migration target. In this case
> we could drop the madvise, skip the checking for zero pages and also
> could avoid sending
> zero pages at all. It would be the cleanest solution.
It's in general not easy to do this if you take non-x86 targets into
account.
Paolo
next prev parent reply other threads:[~2013-10-07 9:37 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20130117163740.7157.55600.malonedeb@gac.canonical.com>
2013-04-16 12:15 ` [Qemu-devel] [Bug 1100843] Re: Live Migration Causes Performance Issues Serge Hallyn
2013-04-16 17:07 ` Paolo Bonzini
2013-04-16 19:35 ` C Cormier
2013-05-01 0:38 ` Jonathan Jefferson
2013-05-01 22:46 ` Jonathan Jefferson
2013-05-08 18:11 ` C Cormier
2013-05-08 18:38 ` Serge Hallyn
2013-05-08 19:00 ` [Qemu-devel] [Bug 1100843] Missing required logs Brad Figg
2013-05-09 15:51 ` [Qemu-devel] [Bug 1100843] Re: Live Migration Causes Performance Issues Jonathan Jefferson
2013-05-24 17:11 ` Paolo Bonzini
2013-05-24 17:18 ` Paolo Bonzini
2013-05-24 17:40 ` C Cormier
2013-07-08 18:28 ` Fletcher Kubota
2013-09-02 9:21 ` Stephen Gran
2013-09-08 9:40 ` Stephen Gran
2013-09-25 3:56 ` Chris J Arges
2013-09-26 14:04 ` Chris J Arges
2013-09-26 20:33 ` Chris J Arges
2013-10-06 13:57 ` Zhang Haoyu
2013-10-07 6:38 ` Peter Lieven
2013-10-07 6:38 ` [Qemu-devel] " Peter Lieven
2013-10-07 9:37 ` Paolo Bonzini [this message]
2013-10-07 9:37 ` Paolo Bonzini
2013-10-07 9:49 ` Peter Lieven
2013-10-07 9:49 ` Peter Lieven
2013-10-07 9:55 ` Paolo Bonzini
2013-10-07 9:55 ` Paolo Bonzini
2013-10-10 8:17 ` Peter Lieven
2013-10-10 8:17 ` [Qemu-devel] " Peter Lieven
2013-10-07 13:47 ` Chris J Arges
2013-10-07 13:59 ` Chris J Arges
2013-10-07 14:18 ` Chris J Arges
2013-10-07 20:33 ` Chris J Arges
2013-10-10 22:25 ` Brian Murray
2013-10-11 13:16 ` Chris J Arges
2013-10-24 17:54 ` Launchpad Bug Tracker
2013-10-24 17:54 ` [Qemu-devel] [Bug 1100843] Update Released Brian Murray
2013-11-08 22:21 ` [Qemu-devel] [Bug 1100843] Re: Live Migration Causes Performance Issues Chris J Arges
2013-11-27 13:00 ` Paolo Bonzini
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