linux-kernel - Re: [PATCH 00/46] Automatic NUMA Balancing V4

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Message-ID: <20121121165342.GH8218@suse.de>
Date:	Wed, 21 Nov 2012 16:53:42 +0000
From:	Mel Gorman <mgorman@...e.de>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Ingo Molnar <mingo@...nel.org>
Cc:	Rik van Riel <riel@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Hugh Dickins <hughd@...gle.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Paul Turner <pjt@...gle.com>,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	Alex Shi <lkml.alex@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux-MM <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 00/46] Automatic NUMA Balancing V4

On Wed, Nov 21, 2012 at 10:21:06AM +0000, Mel Gorman wrote:
> 
> I am not including a benchmark report in this but will be posting one
> shortly in the "Latest numa/core release, v16" thread along with the latest
> schednuma figures I have available.
> 

Report is linked here https://lkml.org/lkml/2012/11/21/202

I ended up cancelling the remaining tests and restarted with

1. schednuma + patches posted since so that works out as
   tip/sched/core from the time I last pulled
   patches as posted on the list
   patches posted since which are
     x86/vsyscall: Add Kconfig option to use native vsyscalls, switch to it
     mm/migration: Improve migrate_misplaced_page()
     mm, numa: Turn 4K pte NUMA faults into effective hugepage ones
     x86/mm: Don't flush the TLB on #WP pmd fixups

2. autonuma + native THP support porte by Hugh

3. balancenuma with a missing THP migration bit for memcg

If all goes according to plan it'll do a pair of runs -- one with oprofile
and one without in case there are profile-related questions. Hopefully
they'll be collected correctly and usable.  I'm not using perf simply
because I do not have the necessary automation in place. I had kept oprofile
automation in place when it was important that I could run identical tests
on older kernels.

I did not just pull the tip tree for schednuma because it would not be a
like-like comparison with the other trees.

-- 
Mel Gorman
SUSE Labs
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