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Re: [Xen-devel] [PATCH 0/6] xen, xend, tools: Add NUMA support to Xen Is

To: "Subrahmanian, Raj" <raj.subrahmanian@xxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH 0/6] xen, xend, tools: Add NUMA support to Xen Issues on the ES7000
From: Ryan Harper <ryanh@xxxxxxxxxx>
Date: Thu, 17 Aug 2006 17:46:26 -0500
Cc: Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx>, Ryan Harper <ryanh@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
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* Subrahmanian, Raj <raj.subrahmanian@xxxxxxxxxx> [2006-08-17 16:35]:
> > I can't reproduce the hang, however, there are some issues 
> > that need fixing up with libxenstat and the physinfo 
> > hypercall.  I'll include those fixes in when I refresh to tip 
> > today.  If you can, I'd be interested in seeing what process 
> > in dom0 is chewing up the cpu if you can get that info.  I 
> > doubt this is an issue, but can you repro with sedf scheduler 
> > as well?  And while I don't know much about the credit 
> > scheduler, dumping the runqueues 'r' keyhandler might show 
> > something to the folks who know the credit scheduler better.
> > 
> > Oh, and if you have a log of xen/dom0 booting on your 1 and 2 
> > cell box with out the numa patches on the same changeset, I'd 
> > like to see that to compare output.
> I can send that to you rightaway.
> I will do the rest of the things over this evening and the night.

Thanks.  I resent the patchset and it should apply cleanly to changeset:
11134:ec03b24a2d83.  Let me know if you still see the slow-down running
xm top.

I've got one more change to PATCH3 to work out; I'll send that one in
tomorrow but I wanted to give you a set that would apply against tip to

Ryan Harper
Software Engineer; Linux Technology Center
IBM Corp., Austin, Tx
(512) 838-9253   T/L: 678-9253

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