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

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Message-ID: <Pine.LNX.4.64.0712241120230.8849@schroedinger.engr.sgi.com>
Date:	Mon, 24 Dec 2007 11:21:14 -0800 (PST)
From:	Christoph Lameter <clameter@....com>
To:	Theodore Tso <tytso@....EDU>
cc:	Andi Kleen <andi@...stfloor.org>, Willy Tarreau <w@....eu>,
	Steven Rostedt <rostedt@...dmis.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Hellwig <hch@...radead.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: Major regression on hackbench with SLUB (more numbers)

On Sun, 23 Dec 2007, Theodore Tso wrote:

> > tends to work reasonably well for a quick overview, but yes
> > cat was nicer for humans.
> 
> Until you start to wonder what the heck :a-0000136 is:
> 
> /sys/slab/:a-0000136/objs_per_slab: 30
> 
> Sigh...

That is why there is a slabinfo tool that does all the nice formatting.

Do a

gcc -o slabinfo Documentation/vm/slabinfo.c 

Then run slabinfo instead of doing cat /proc/slabinfo


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