Re: SLUB performance regression vs SLAB

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Cc: <arjan@...>, <clameter@...>, <willy@...>, <nickpiggin@...>, <hch@...>, <mel@...>, <linux-fsdevel@...>, <linux-kernel@...>, <dgc@...>, <jens.axboe@...>

Subject: Re: SLUB performance regression vs SLAB

Date: Thursday, October 4, 2007 - 5:05 pm

From: Matthew Wilcox <matthew@wil.cx>
Date: Thu, 4 Oct 2007 14:58:12 -0600

quoted text> On Thu, Oct 04, 2007 at 01:48:34PM -0700, David Miller wrote:
> > There comes a point where it is the reporter's responsibility to help
> > the developer come up with a publishable test case the developer can
> > use to work on fixing the problem and help ensure it stays fixed.
> 
> That's a lot of effort.  Is it more effort than doing some remote
> debugging with Christoph?  I don't know.

That's a good question and an excellent point.  I'm sure that,
either way, Christoph will be more than willing to engage and
assist.
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Messages in current thread:

[15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Christoph Lameter, (Tue Sep 18, 11:36 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Nick Piggin, (Thu Sep 27, 5:42 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Christoph Lameter, (Fri Sep 28, 1:33 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Nick Piggin, (Fri Sep 28, 1:14 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Christoph Lameter, (Mon Oct 1, 4:50 pm)

SLUB performance regression vs SLAB, Matthew Wilcox, (Thu Oct 4, 12:16 pm)

Re: SLUB performance regression vs SLAB, Christoph Lameter, (Thu Oct 4, 1:38 pm)

Re: SLUB performance regression vs SLAB, Arjan van de Ven, (Thu Oct 4, 1:50 pm)

Re: SLUB performance regression vs SLAB, David Miller, (Thu Oct 4, 4:48 pm)

RE: SLUB performance regression vs SLAB, David Schwartz, (Thu Oct 4, 7:39 pm)

Re: SLUB performance regression vs SLAB, Chuck Ebbert, (Thu Oct 4, 7:49 pm)

RE: SLUB performance regression vs SLAB, David Schwartz, (Fri Oct 5, 12:18 am)

Re: SLUB performance regression vs SLAB, Matthew Wilcox, (Thu Oct 4, 4:58 pm)

Re: SLUB performance regression vs SLAB, Christoph Lameter, (Thu Oct 4, 5:11 pm)

Re: SLUB performance regression vs SLAB, David Miller, (Thu Oct 4, 5:05 pm)

Re: SLUB performance regression vs SLAB, Peter Zijlstra, (Thu Oct 4, 2:26 pm)

Re: SLUB performance regression vs SLAB, Christoph Lameter, (Thu Oct 4, 1:58 pm)

Re: SLUB performance regression vs SLAB, Matthew Wilcox, (Thu Oct 4, 2:32 pm)

Re: SLUB performance regression vs SLAB, Christoph Lameter, (Thu Oct 4, 1:49 pm)

Re: SLUB performance regression vs SLAB, Matthew Wilcox, (Thu Oct 4, 3:28 pm)

Re: SLUB performance regression vs SLAB, David Miller, (Thu Oct 4, 4:55 pm)

Re: SLUB performance regression vs SLAB, Chuck Ebbert, (Thu Oct 4, 5:02 pm)

Re: SLUB performance regression vs SLAB, Peter Zijlstra, (Fri Oct 5, 4:32 pm)

Re: SLUB performance regression vs SLAB, David Miller, (Fri Oct 5, 5:31 pm)

Re: SLUB performance regression vs SLAB, David Miller, (Thu Oct 4, 5:11 pm)

Re: SLUB performance regression vs SLAB, Chuck Ebbert, (Thu Oct 4, 5:47 pm)

Re: SLUB performance regression vs SLAB, David Miller, (Thu Oct 4, 6:07 pm)

Re: SLUB performance regression vs SLAB, David Chinner, (Thu Oct 4, 6:23 pm)

Re: SLUB performance regression vs SLAB, Jens Axboe, (Fri Oct 5, 2:48 am)

Re: SLUB performance regression vs SLAB, Matthew Wilcox, (Fri Oct 5, 7:56 am)

Re: SLUB performance regression vs SLAB, Christoph Lameter, (Fri Oct 5, 3:27 pm)

Re: SLUB performance regression vs SLAB, Jens Axboe, (Fri Oct 5, 8:37 am)

Re: SLUB performance regression vs SLAB, Pekka Enberg, (Fri Oct 5, 5:19 am)

Re: SLUB performance regression vs SLAB, Jens Axboe, (Fri Oct 5, 5:28 am)

Re: SLUB performance regression vs SLAB, Andi Kleen, (Fri Oct 5, 7:12 am)

Re: SLUB performance regression vs SLAB, Jens Axboe, (Fri Oct 5, 8:39 am)

Re: SLUB performance regression vs SLAB, Christoph Lameter, (Fri Oct 5, 3:31 pm)

Re: SLUB performance regression vs SLAB, Christoph Lameter, (Fri Oct 5, 3:32 pm)

Re: SLUB performance regression vs SLAB, Matthew Wilcox, (Thu Oct 4, 5:05 pm)

Re: SLUB performance regression vs SLAB, Christoph Lameter, (Thu Oct 4, 10:43 pm)

Re: SLUB performance regression vs SLAB, Arjan van de Ven, (Thu Oct 4, 10:53 pm)

Re: SLUB performance regression vs SLAB, Christoph Lameter, (Thu Oct 4, 3:05 pm)

Re: SLUB performance regression vs SLAB, Siddha, Suresh B, (Thu Oct 4, 3:46 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Nick Piggin, (Tue Oct 2, 4:43 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Mel Gorman, (Fri Sep 28, 5:05 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Christoph Lameter, (Mon Oct 1, 5:10 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Peter Zijlstra, (Fri Sep 28, 1:55 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Christoph Lameter, (Fri Sep 28, 2:20 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Peter Zijlstra, (Sat Sep 29, 4:45 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Christoph Lameter, (Mon Oct 1, 5:01 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Nick Piggin, (Tue Oct 2, 4:37 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Peter Zijlstra, (Fri Sep 28, 2:25 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Andrew Morton, (Sat Sep 29, 4:13 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Peter Zijlstra, (Sat Sep 29, 4:47 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Andrew Morton, (Sat Sep 29, 5:00 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Christoph Lameter, (Mon Oct 1, 4:55 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Andrew Morton, (Mon Oct 1, 5:30 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Peter Zijlstra, (Tue Oct 2, 5:19 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Christoph Lameter, (Mon Oct 1, 5:38 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Andrew Morton, (Mon Oct 1, 5:45 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Christoph Lameter, (Mon Oct 1, 5:52 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Peter Zijlstra, (Sat Sep 29, 4:53 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Andrew Morton, (Sat Sep 29, 5:01 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Peter Zijlstra, (Sat Sep 29, 5:14 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Andrew Morton, (Sat Sep 29, 5:27 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Nick Piggin, (Fri Sep 28, 4:19 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Andrew Morton, (Sat Sep 29, 3:20 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Nick Piggin, (Sat Sep 29, 3:09 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Andrew Morton, (Sun Sep 30, 4:12 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Nick Piggin, (Sun Sep 30, 12:16 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Mel Gorman, (Fri Sep 28, 4:59 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Christoph Lameter, (Fri Sep 28, 2:41 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Nick Piggin, (Fri Sep 28, 4:22 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Mel Gorman, (Fri Sep 28, 5:14 pm)

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