This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


RE: [Xen-devel] Re: credit scheduler

To: "Sean Dague" <japh@xxxxxxxxxx>, "Karl Rister" <kmr@xxxxxxxxxx>
Subject: RE: [Xen-devel] Re: credit scheduler
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Tue, 29 Aug 2006 22:37:34 +0100
Cc: Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Tue, 29 Aug 2006 14:37:57 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcbLsfXHqgcoP4+XTse7RWCLDP/BuwAATTMQ
Thread-topic: [Xen-devel] Re: credit scheduler
> A related issue I noticed the other day when doing xen testing off of
> xen-unstable was that the irqbalancer process ended up consuming 100%
> dom0 cpu when running an SMP Dom0 on the credit scheduler, and a bunch
> idle domUs.  It got the the point that ssh wasn't feasable, and I had
to go
> to the console and shut off irqbalancer to return things to normal.
> I'd follow up further, but I'm about to go "off grid" for the next 2.5
> weeks.  I relayed information to other folks on the IBM team to see if
> anyone else can reproduce it.

No good can come of running irqbalancer in dom0, but it certainly
shouldn't end up burning CPU. Would be good to understand what's going
on here.


Xen-devel mailing list

<Prev in Thread] Current Thread [Next in Thread>
  • RE: [Xen-devel] Re: credit scheduler, Ian Pratt <=