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Subject: Re: [PATCH RFC 0/2] kvm: Improving directed yield in PLE handler
From: Andrew Theurer <habanero@linux.vnet.ibm.com>
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To: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
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Date: Tue, 10 Jul 2012 08:27:29 -0500
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On Tue, 2012-07-10 at 17:24 +0530, Raghavendra K T wrote:
> On 07/10/2012 03:17 AM, Andrew Theurer wrote:
> > On Mon, 2012-07-09 at 11:50 +0530, Raghavendra K T wrote:
> >> Currently Pause Looop Exit (PLE) handler is doing directed yield to a
> >> random VCPU on PL exit. Though we already have filtering while choosing
> >> the candidate to yield_to, we can do better.
> >
> > Hi, Raghu.
> >
> [...]
> >
> > Can you briefly explain the 1x and 2x configs?  This of course is highly
> > dependent whether or not HT is enabled...
> >
> 
> Sorry if I had not made very clear in earlier threads. Have you applied
> Rik's following patch for base. without this you could see some 
> inconsistent results perhaps.
> 
> https://lkml.org/lkml/2012/6/19/401

Yes, I do have that applied with your patch and in my baseline.

-Andrew Theurer