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From: Samuel Thibault <samuel.thibault@eu.citrix.com>
To: "Mike D. Day" <ncmike@us.ibm.com>
Cc: xen-devel@lists.xensource.com
Subject: Re: Re: Scheduling groups, credit scheduler support
Date: Fri, 14 Dec 2007 16:49:35 +0000	[thread overview]
Message-ID: <20071214164935.GL4296@implementation.uk.xensource.com> (raw)
In-Reply-To: <20071204135020.GB10634@silverwood.ncultra.org>

Hi,

Mike D. Day, le Tue 04 Dec 2007 08:50:20 -0500, a écrit :
> Credits are "stolen" only when the stub domain runs, so if the hvm
> domain is doing no I/O then none of its credits go to the stub domain.

Ok, but take for instance the case where vcpu1 of the HVM does a lot of
I/O while vcpu2 of the HVM prefers to burn CPU. Here we would probably
like to see the stubdomain take as much CPU time for performing the I/O
as the vcpu2 has for burning. I'm not sure that your allocation permits
this.

Samuel

  parent reply	other threads:[~2007-12-14 16:49 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-29 20:19 [PATCH] Scheduling groups, credit scheduler support Mike D. Day
2007-11-29 22:36 ` Chris B
2007-12-03 15:37   ` Chris
2007-12-03 17:59     ` Mike D. Day
2007-12-04 19:32       ` Chris
2007-12-04 23:04         ` Keir Fraser
2007-12-06 16:42           ` Chris
2007-12-14 17:20         ` Samuel Thibault
2007-12-18 16:04           ` Chris
2007-12-04 10:38 ` [PATCH] " Keir Fraser
2007-12-04 13:50   ` Mike D. Day
2007-12-04 23:06     ` Keir Fraser
2007-12-14 13:35       ` Mike D. Day
2007-12-14 13:50         ` Keir Fraser
2007-12-14 16:26         ` Samuel Thibault
2007-12-14 17:36           ` Samuel Thibault
2007-12-19 16:08             ` Samuel Thibault
2007-12-14 16:49     ` Samuel Thibault [this message]
2007-12-19 20:18       ` Mike D. Day
2007-12-05  1:34 ` does xen-linux for PV support the Linux Standards base , or not ? tgh
2007-12-05  3:49   ` Mark Williamson
2007-12-14 17:01 ` [PATCH] Scheduling groups, credit scheduler support Samuel Thibault
2007-12-17 16:57   ` Samuel Thibault
2007-12-18 11:50 ` Samuel Thibault

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