Re: Major regression on hackbench with SLUB (more numbers)

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To: Christoph Lameter <clameter@...>

Cc: Pekka Enberg <penberg@...>, Ingo Molnar <mingo@...>, Steven Rostedt <rostedt@...>, LKML <linux-kernel@...>, Andrew Morton <akpm@...>, Peter Zijlstra <a.p.zijlstra@...>, Christoph Hellwig <hch@...>, Rafael J. Wysocki <rjw@...>

Subject: Re: Major regression on hackbench with SLUB (more numbers)

Date: Friday, December 21, 2007 - 6:51 pm

On Fri, 21 Dec 2007, Christoph Lameter wrote:
quoted text>
> Actually thanks for pointing that out Pekka.... Here is a patch that takes 
> the regression almost completely away

Now *this* is what I wanted to see - rather than argue against other 
peoples performance regression reports, an actual patch that acknowledges 
the problem.

Thanks.

And now, can the people who made the problem reports and complained about 
SLUB please test the patch - the ball is now in your court!

		Linus
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Messages in current thread:

Major regression on hackbench with SLUB, Steven Rostedt, (Fri Dec 7, 1:50 pm)

Re: Major regression on hackbench with SLUB (more numbers), Ingo Molnar, (Tue Dec 11, 10:33 am)

Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Thu Dec 13, 6:22 pm)

Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Fri Dec 14, 12:24 am)

Re: Major regression on hackbench with SLUB (more numbers), Ingo Molnar, (Fri Dec 21, 8:09 am)

Re: Major regression on hackbench with SLUB (more numbers), Pekka Enberg, (Fri Dec 21, 1:44 pm)

Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Fri Dec 21, 6:22 pm)

Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Fri Dec 21, 6:37 pm)

Re: Major regression on hackbench with SLUB (more numbers), Ingo Molnar, (Fri Dec 21, 6:56 pm)

Re: Major regression on hackbench with SLUB (more numbers), Steven Rostedt, (Fri Dec 21, 6:52 pm)

Re: Major regression on hackbench with SLUB (more numbers), Linus Torvalds, (Fri Dec 21, 6:51 pm)

Re: Major regression on hackbench with SLUB (more numbers), Ingo Molnar, (Fri Dec 21, 7:17 pm)

Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Fri Dec 21, 7:54 pm)

Re: Major regression on hackbench with SLUB (more numbers), Chuck Ebbert, (Fri Dec 21, 8:02 pm)

Re: Major regression on hackbench with SLUB (more numbers), Pekka Enberg, (Fri Dec 21, 7:40 pm)

Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Fri Dec 21, 12:18 pm)

Re: Major regression on hackbench with SLUB (more numbers), Linus Torvalds, (Fri Dec 21, 12:44 pm)

Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Fri Dec 21, 6:11 pm)

Re: Major regression on hackbench with SLUB (more numbers), Linus Torvalds, (Fri Dec 21, 6:49 pm)

Re: Major regression on hackbench with SLUB (more numbers), Peter Zijlstra, (Fri Dec 21, 6:16 pm)

Re: Major regression on hackbench with SLUB (more numbers), Peter Zijlstra, (Fri Dec 21, 6:17 pm)

Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Fri Dec 21, 6:27 pm)

Re: Major regression on hackbench with SLUB (more numbers), Ingo Molnar, (Fri Dec 21, 6:54 pm)

Re: Major regression on hackbench with SLUB (more numbers), Andi Kleen, (Fri Dec 21, 8:28 pm)

Re: Major regression on hackbench with SLUB (more numbers), Ingo Molnar, (Sat Dec 22, 6:03 am)

Re: Major regression on hackbench with SLUB (more numbers), Linus Torvalds, (Sat Dec 22, 2:01 pm)

slabtop replacement was Re: Major regression on hackbench wi..., Andi Kleen, (Sat Dec 22, 3:46 pm)

Re: slabtop replacement was Re: Major regression on hackbenc..., Karol Swietlicki, (Sat Dec 22, 7:28 pm)

Re: slabtop replacement was Re: Major regression on hackbenc..., Karol Swietlicki, (Sat Dec 29, 2:08 pm)

Re: Major regression on hackbench with SLUB (more numbers), Theodore Tso, (Sat Dec 22, 3:25 pm)

Re: Major regression on hackbench with SLUB (more numbers), Linus Torvalds, (Sat Dec 22, 5:00 pm)

Re: Major regression on hackbench with SLUB (more numbers), Willy Tarreau, (Sat Dec 22, 6:10 pm)

Re: Major regression on hackbench with SLUB (more numbers), Steven Rostedt, (Sat Dec 22, 8:59 pm)

Re: Major regression on hackbench with SLUB (more numbers), Willy Tarreau, (Sun Dec 23, 1:12 am)

Re: Major regression on hackbench with SLUB (more numbers), Andi Kleen, (Sun Dec 23, 10:15 am)

Re: Major regression on hackbench with SLUB (more numbers), Theodore Tso, (Sun Dec 23, 11:45 pm)

Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Mon Dec 24, 3:21 pm)

Re: Major regression on hackbench with SLUB (more numbers), Theodore Tso, (Mon Dec 24, 7:37 pm)

Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Wed Dec 26, 5:31 pm)

Re: Major regression on hackbench with SLUB (more numbers), Al Viro, (Wed Dec 26, 6:16 pm)

Re: Major regression on hackbench with SLUB (more numbers), Ingo Molnar, (Fri Dec 28, 5:00 am)

Re: Major regression on hackbench with SLUB (more numbers), Steven Rostedt, (Fri Dec 28, 10:52 am)

Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Thu Dec 27, 1:51 am)

SLUB sysfs support, Christoph Lameter, (Thu Dec 27, 4:28 pm)

Re: SLUB sysfs support, Al Viro, (Thu Dec 27, 6:59 pm)

Re: SLUB sysfs support, Christoph Lameter, (Thu Dec 27, 7:22 pm)

Re: SLUB sysfs support, Al Viro, (Thu Dec 27, 7:54 pm)

Re: SLUB sysfs support, Christoph Lameter, (Thu Dec 27, 7:53 pm)

Re: SLUB sysfs support, Al Viro, (Thu Dec 27, 7:58 pm)

Re: SLUB sysfs support, Christoph Lameter, (Thu Dec 27, 8:02 pm)

Re: SLUB sysfs support, Al Viro, (Thu Dec 27, 8:45 pm)

Re: SLUB sysfs support, Christoph Lameter, (Thu Dec 27, 10:19 pm)

Re: SLUB sysfs support, Al Viro, (Thu Dec 27, 11:26 pm)

Re: SLUB sysfs support, Christoph Lameter, (Wed Jan 2, 4:25 pm)

Re: Major regression on hackbench with SLUB (more numbers), Andi Kleen, (Mon Dec 24, 11:34 pm)

Re: Major regression on hackbench with SLUB (more numbers), Theodore Tso, (Tue Jan 1, 8:47 am)

[patch] slub: provide /proc/slabinfo, Ingo Molnar, (Tue Jan 1, 12:23 pm)

Re: [patch] slub: provide /proc/slabinfo, Arjan van de Ven, (Fri Jan 4, 8:27 pm)

Re: [patch] slub: provide /proc/slabinfo, Linus Torvalds, (Fri Jan 4, 8:49 pm)

Re: Major regression on hackbench with SLUB (more numbers), Andi Kleen, (Tue Jan 1, 11:19 am)

Re: Major regression on hackbench with SLUB (more numbers), Al Viro, (Sat Dec 22, 5:50 pm)

Re: Major regression on hackbench with SLUB (more numbers), Al Viro, (Sat Dec 22, 7:29 pm)

Re: Major regression on hackbench with SLUB (more numbers), Ingo Molnar, (Sat Dec 22, 3:09 pm)

Re: Major regression on hackbench with SLUB (more numbers), Jason L Tibbitts III, (Sat Dec 22, 6:52 pm)

Re: Major regression on hackbench with SLUB (more numbers), Alessandro Suardi, (Sun Dec 23, 11:59 pm)

Re: Major regression on hackbench with SLUB (more numbers), Ingo Molnar, (Sat Dec 22, 3:29 pm)

Re: Major regression on hackbench with SLUB (more numbers), Andi Kleen, (Sat Dec 22, 8:37 am)

Re: Major regression on hackbench with SLUB (more numbers), Alexey Dobriyan, (Sat Dec 22, 9:01 am)

Re: Major regression on hackbench with SLUB (more numbers), Pekka Enberg, (Sat Dec 22, 8:51 am)

Re: Major regression on hackbench with SLUB (more numbers), Andi Kleen, (Sat Dec 22, 8:54 am)

Re: Major regression on hackbench with SLUB (more numbers), Pekka Enberg, (Sat Dec 22, 9:27 am)

Re: Major regression on hackbench with SLUB (more numbers), Matt Mackall, (Fri Dec 21, 10:19 pm)

Re: Major regression on hackbench with SLUB (more numbers), Andi Kleen, (Fri Dec 21, 10:44 pm)

Re: Major regression on hackbench with SLUB (more numbers), Chuck Ebbert, (Fri Dec 21, 8:33 pm)

Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Fri Dec 21, 7:51 pm)

Re: Major regression on hackbench with SLUB (more numbers), Andrew Morton, (Fri Dec 21, 7:27 pm)

Re: Major regression on hackbench with SLUB (more numbers), David Miller, (Fri Dec 21, 7:20 pm)

Re: Major regression on hackbench with SLUB (more numbers), Ingo Molnar, (Sat Dec 22, 5:45 am)

Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Mon Dec 24, 3:24 pm)

Re: Major regression on hackbench with SLUB (more numbers), Ingo Molnar, (Fri Dec 21, 8:26 am)

Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Fri Dec 21, 12:26 pm)

Re: Major regression on hackbench with SLUB (more numbers), Ingo Molnar, (Fri Dec 21, 12:33 pm)

Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Fri Dec 21, 5:56 pm)

Re: Major regression on hackbench with SLUB (more numbers), Steven Rostedt, (Fri Dec 14, 2:15 am)

Re: Major regression on hackbench with SLUB, Linus Torvalds, (Fri Dec 7, 1:59 pm)

Re: Major regression on hackbench with SLUB, Linus Torvalds, (Fri Dec 7, 2:36 pm)

Re: Major regression on hackbench with SLUB, Christoph Lameter, (Thu Dec 13, 6:11 pm)

Re: Major regression on hackbench with SLUB, Steven Rostedt, (Sat Dec 8, 8:28 pm)

Re: Major regression on hackbench with SLUB, Steven Rostedt, (Sat Dec 8, 6:16 pm)

Re: Major regression on hackbench with SLUB, Björn, (Mon Dec 10, 3:38 am)

Re: Major regression on hackbench with SLUB, Steven Rostedt, (Mon Dec 10, 10:00 am)

Re: Major regression on hackbench with SLUB, Steven Rostedt, (Fri Dec 7, 2:58 pm)

Re: Major regression on hackbench with SLUB, Ingo Molnar, (Fri Dec 7, 1:55 pm)

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