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From: Gianluca Guida <gianluca.guida@eu.citrix.com>
To: deshantm@gmail.com
Cc: Muli Ben-Yehuda <MULI@il.ibm.com>,
	Anthony Liguori <aliguori@us.ibm.com>,
	xen-devel mailing list <xen-devel@lists.xensource.com>
Subject: Re: Re: Poor performance on HVM (kernbench)
Date: Thu, 11 Sep 2008 17:48:07 +0100	[thread overview]
Message-ID: <48C94BC7.5040305@eu.citrix.com> (raw)
In-Reply-To: <1e16a9ed0809110835p73165150t3f78d75b2f2ca8eb@mail.gmail.com>

Hello,

Todd Deshane wrote:
> Can you also run kernbench on native for comparison?

I will.

> How much RAM do you have (native and guest)?

2Gb host, 512Mb guest.

> Are all your tests on Xen unstable with the code changes on and off as
> you suggested?

Yes.

> What is the backend disk type for your HVM guest?

Here's my configuration for disks (no stubdomains, btw).

disk = [ 'file:/root/prova,hda,w', 
'file:/local-images/debian-40r0-amd64-netinst.iso,hdc:cdrom,r']

> What is the kernel in your HVM guest?

It's the standard debian 4.0 I guess, 2.6.18-4-amd64.


> I will make the same changes to the xen unstable code and re-run
> kernbench with shadow3 disabled
> on my system.

Thanks, that would be interesting to know!

Gianluca

  reply	other threads:[~2008-09-11 16:48 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-10 18:23 Poor performance on HVM (kernbench) Todd Deshane
2008-09-10 21:22 ` Todd Deshane
2008-09-10 22:42   ` Anthony Liguori
2008-09-11  2:52     ` Todd Deshane
2008-09-11  9:35     ` George Dunlap
2008-09-11 15:30       ` Todd Deshane
2008-09-11 10:00   ` Gianluca Guida
2008-09-11 15:17     ` Gianluca Guida
2008-09-11 15:25       ` Gianluca Guida
2008-09-11 15:35       ` Todd Deshane
2008-09-11 16:48         ` Gianluca Guida [this message]
2008-09-11 17:25         ` Gianluca Guida
2008-09-11 18:07           ` George Dunlap
2008-09-11 18:26             ` Gianluca Guida
2008-09-11 19:04               ` Todd Deshane
2008-09-11 19:54                 ` Todd Deshane
2008-09-11 20:02                 ` Jeremy Fitzhardinge
2008-09-11 20:24                   ` John Levon
2008-09-12 10:41                   ` Gianluca Guida
2008-09-12 11:04               ` George Dunlap
2008-09-12 11:19                 ` George Dunlap
2008-09-12 14:20                   ` Jeremy Fitzhardinge
2008-09-10 21:37 ` Daniel Magenheimer
2008-09-10 21:42   ` Todd Deshane
2008-09-10 21:45     ` Daniel Magenheimer
2008-09-11  2:48       ` Todd Deshane
2008-09-10 21:51     ` Steve Ofsthun
2008-09-11  2:50       ` Todd Deshane
2008-09-11  6:31 ` Pasi Kärkkäinen
2008-09-11 16:02 ` Todd Deshane

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