Re: [RFC -v5 PATCH 0/4] directed yield for Pause Loop Exiting

From: Rik van Riel
Date: Fri Jan 14 2011 - 12:34:45 EST


On 01/14/2011 03:02 AM, Rik van Riel wrote:

Benchmark "results":

Two 4-CPU KVM guests are pinned to the same 4 physical CPUs.

I just discovered that I had in fact pinned the 4-CPU KVM
guests to 4 HT threads across 2 cores, and the scheduler
has all kinds of special magic for dealing with HT siblings.

I am now rerunning the tests with the KVM guests bound to
cores 0,2,4,6 to see if that makes a difference.

--
All rights reversed
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/