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

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To: Peter Zijlstra <a.p.zijlstra@...>

Cc: Linus Torvalds <torvalds@...>, Ingo Molnar <mingo@...>, Steven Rostedt <rostedt@...>, LKML <linux-kernel@...>, Andrew Morton <akpm@...>, Christoph Hellwig <hch@...>, Rafael J. Wysocki <rjw@...>

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

Date: Friday, December 21, 2007 - 6:27 pm

On Fri, 21 Dec 2007, Peter Zijlstra wrote:

quoted text> BTW, does /proc/slabinfo exist again? I thought we set that as a
> requirement for SLUB to be the default and a full replacement for SLAB.

Well the information that would be exposed in /proc/slabinfo would only be 
faked up stuff from SLUB. The queues that are described in /proc/slabinfo do not 
exist f.e. (tunables do not make sense) and there are more details available via /sys/kernel/slab.

There is a discussion on linux-mm with some of the people working on tools 
to make these to use the information that SLUB provides.



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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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