From: Chegu Vinod <chegu_vinod@hp.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>,
Alex Williamson <alex.williamson@redhat.com>,
qemu-devel <qemu-devel@nongnu.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>
Subject: Re: [Qemu-devel] Large sized guest taking for ever to boot...
Date: Tue, 12 Jun 2012 11:44:07 -0700 [thread overview]
Message-ID: <4FD78DF7.5020006@hp.com> (raw)
In-Reply-To: <20120612153933.GB4206@redhat.com>
On 6/12/2012 8:39 AM, Gleb Natapov wrote:
> On Tue, Jun 12, 2012 at 08:33:59AM -0700, Chegu Vinod wrote:
>> I rebuilt the 3.4.1 kernel in the guest from scratch and retried my
>> experiments and measured
>> the boot times...
>>
>> a) Host : RHEL6.3 RC1 + qemu-kvm (that came with it)& Guest :
>> RHEL6.3 RC1: ~1 min
>>
>> b) Host :3.4.1 + qemu-kvm.git& Guest : RHEL6.3RC1 - ~1 min
>>
>> c) Host :3.4.1 + qemu-kvm.git& Guest : 3.4.1 - ~10 mins
>>
>> d) Host :3.4.1 + qemu.git& Guest : RHEL6.3 RC1 - ~1 min
>>
>> e) Host :3.4.1 + qemu.git& Guest : 3.4.1 - ~14 mins
>>
>>
>> In both the case (c)& (e) had quite a few warning/error messages
>> from udevd.
>>
>> FYI..
>> Vinod
>> PS: Haven't had the time to do any further analysis...as the
>> machine is being used for
>> other experiments...
>>
>>
> Next time you get the machine can you try running (b) but adding
> -hypervisor to your -cpu config.
I tried that and didn't make any difference...i.e. the RHEL6.3 RC1 guest
booted in about ~1 min.
Vinod
>
> --
> Gleb.
>
next prev parent reply other threads:[~2012-06-12 18:44 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <loom.20120608T181832-528@post.gmane.org>
[not found] ` <1339173966.26976.95.camel@ul30vt>
[not found] ` <4FD23221.5090208@hp.com>
[not found] ` <1339177340.26976.111.camel@ul30vt>
[not found] ` <4FD23CF9.5000203@hp.com>
2012-06-08 18:08 ` [Qemu-devel] Large sized guest taking for ever to boot Jan Kiszka
2012-06-08 18:20 ` Chegu Vinod
2012-06-08 18:37 ` Jan Kiszka
2012-06-12 15:33 ` Chegu Vinod
2012-06-12 15:39 ` Gleb Natapov
2012-06-12 18:44 ` Chegu Vinod [this message]
2012-06-13 7:12 ` Gleb Natapov
2012-06-13 8:14 ` Avi Kivity
2012-06-10 9:30 ` Gleb Natapov
2012-06-10 13:29 ` Chegu Vinod
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