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

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Message-ID: <20071224034530.GB16658@thunk.org>
Date:	Sun, 23 Dec 2007 22:45:30 -0500
From:	Theodore Tso <tytso@....EDU>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Willy Tarreau <w@....eu>, Steven Rostedt <rostedt@...dmis.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Christoph Lameter <clameter@....com>,
	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, Dec 23, 2007 at 03:15:00PM +0100, Andi Kleen wrote:
> > Same here. In fact, I've always considered that procfs was for
> > humans while sysfs was for tools. sysfs reminds me too much the
> > unexploitable /devices in Solaris. With the proper tools, I think
> > we can do a lot with it, but it's not as intuitive to find the
> > proper tools as it was to do "ls" followed by "cat" in /proc.
> 
> find /sys/... -type f | while read i ; do echo "$i: $(<$i)" ; done
> 
> 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...

					- Ted

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