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

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From: Theodore Tso
Date: Monday, December 24, 2007 - 4:37 pm

On Mon, Dec 24, 2007 at 11:21:14AM -0800, Christoph Lameter wrote:

So two questions: why isn't -f the default?  And is /sys/slab
guaranteed to be a stable and permanent interface if the SLAB
implementation ever gets ripped out?  If so, maybe this should go into
util-linux-ng?  I am aa bit concerned about the lack of atomicity of
/sys/slab, but this is a heck of a lot better of many kernel drivers
or subsystems which use /sys and the completely punt on any kind of
userspace utility, forcing users to type crazy things like 

  echo 5 > /sys/bus/pci/drivers/iwl4965/*/power_level

						- Ted
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Messages in current thread:
Re: Major regression on hackbench with SLUB, Ingo Molnar, (Fri Dec 7, 10:55 am)
Re: Major regression on hackbench with SLUB, Linus Torvalds, (Fri Dec 7, 10:59 am)
Re: Major regression on hackbench with SLUB, Linus Torvalds, (Fri Dec 7, 11:36 am)
Re: Major regression on hackbench with SLUB, Steven Rostedt, (Fri Dec 7, 11:58 am)
Re: Major regression on hackbench with SLUB, Steven Rostedt, (Sat Dec 8, 5:28 pm)
Re: Major regression on hackbench with SLUB, Björn, (Mon Dec 10, 12:38 am)
Re: Major regression on hackbench with SLUB, Steven Rostedt, (Mon Dec 10, 7:00 am)
Re: Major regression on hackbench with SLUB, Christoph Lameter, (Thu Dec 13, 3:11 pm)
Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Thu Dec 13, 3:22 pm)
Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Thu Dec 13, 9:24 pm)
Re: Major regression on hackbench with SLUB (more numbers), Steven Rostedt, (Thu Dec 13, 11:15 pm)
Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Fri Dec 21, 9:26 am)
Re: Major regression on hackbench with SLUB (more numbers), Linus Torvalds, (Fri Dec 21, 9:44 am)
Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Fri Dec 21, 2:56 pm)
Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Fri Dec 21, 3:11 pm)
Re: Major regression on hackbench with SLUB (more numbers), Peter Zijlstra, (Fri Dec 21, 3:16 pm)
Re: Major regression on hackbench with SLUB (more numbers), Peter Zijlstra, (Fri Dec 21, 3:17 pm)
Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Fri Dec 21, 3:22 pm)
Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Fri Dec 21, 3:27 pm)
Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Fri Dec 21, 3:37 pm)
Re: Major regression on hackbench with SLUB (more numbers), Linus Torvalds, (Fri Dec 21, 3:49 pm)
Re: Major regression on hackbench with SLUB (more numbers), Linus Torvalds, (Fri Dec 21, 3:51 pm)
Re: Major regression on hackbench with SLUB (more numbers), Steven Rostedt, (Fri Dec 21, 3:52 pm)
Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Fri Dec 21, 4:51 pm)
Re: Major regression on hackbench with SLUB (more numbers), Alexey Dobriyan, (Sat Dec 22, 6:01 am)
Re: Major regression on hackbench with SLUB (more numbers), Linus Torvalds, (Sat Dec 22, 11:01 am)
Re: Major regression on hackbench with SLUB (more numbers), Linus Torvalds, (Sat Dec 22, 2:00 pm)
Re: Major regression on hackbench with SLUB (more numbers), Steven Rostedt, (Sat Dec 22, 5:59 pm)
Re: Major regression on hackbench with SLUB (more numbers), Alessandro Suardi, (Sun Dec 23, 8:59 pm)
Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Mon Dec 24, 12:21 pm)
Re: Major regression on hackbench with SLUB (more numbers), Theodore Tso, (Mon Dec 24, 4:37 pm)
Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Wed Dec 26, 2:31 pm)
Re: Major regression on hackbench with SLUB (more numbers), Christoph Lameter, (Wed Dec 26, 10:51 pm)
SLUB sysfs support, Christoph Lameter, (Thu Dec 27, 1:28 pm)
Re: SLUB sysfs support, Al Viro, (Thu Dec 27, 3:59 pm)
Re: SLUB sysfs support, Christoph Lameter, (Thu Dec 27, 4:22 pm)
Re: SLUB sysfs support, Christoph Lameter, (Thu Dec 27, 4:53 pm)
Re: SLUB sysfs support, Al Viro, (Thu Dec 27, 4:54 pm)
Re: SLUB sysfs support, Christoph Lameter, (Thu Dec 27, 5:02 pm)
Re: SLUB sysfs support, Al Viro, (Thu Dec 27, 5:45 pm)
Re: SLUB sysfs support, Christoph Lameter, (Thu Dec 27, 7:19 pm)
Re: SLUB sysfs support, Al Viro, (Thu Dec 27, 8:26 pm)
Re: Major regression on hackbench with SLUB (more numbers), Steven Rostedt, (Fri Dec 28, 7:52 am)
Re: slabtop replacement was Re: Major regression on hackbe ..., Karol Swietlicki, (Sat Dec 29, 11:08 am)
[patch] slub: provide /proc/slabinfo, Ingo Molnar, (Tue Jan 1, 9:23 am)
Re: SLUB sysfs support, Christoph Lameter, (Wed Jan 2, 1:25 pm)
Re: [patch] slub: provide /proc/slabinfo, Arjan van de Ven, (Fri Jan 4, 5:27 pm)