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From: Albert Cahalan <albert@users.sf.net>
To: linux-kernel mailing list <linux-kernel@vger.kernel.org>
Cc: rusty@rustcorp.com.au, kaos@sgi.com, ak@muc.de
Subject: Re: [PATCH] Sort kallsyms in name order: kernel shrinks by 30k
Date: 12 May 2004 20:05:10 -0400	[thread overview]
Message-ID: <1084406710.952.489.camel@cube> (raw)

> Admittedly, anyone who sets CONFIG_KALLSYMS doesn't
> care about space, it's a fairly trivial change.
>
> Name: Sort Kallsyms for Stem Compression
> Status: Booted on 2.6.6
> Depends: Misc/kallsyms-include-aliases.patch.gz
>
> Leaving the symbols sorted by name rather than address,
> so stem compression works more effectively.  Saves a
> little over 30k here.

That's nothing these days.

How does this change stand up to benchmarking?
Start up 12345 processes or more, then do this:

time ps -eo wchan >> /dev/null
time cat /proc/*/wchan >> /dev/null

As Keith Owens says, "top can consume a complete
cpu out of 128 cpus". (not that I can verify this)



             reply	other threads:[~2004-05-13  2:27 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-05-13  0:05 Albert Cahalan [this message]
  -- strict thread matches above, loose matches on Subject: below --
2004-05-11  5:08 [PATCH] Sort kallsyms in name order: kernel shrinks by 30k Rusty Russell
2004-05-11  5:23 ` Keith Owens
2004-05-11  8:08 ` Andi Kleen
2004-05-11 15:35   ` Randy.Dunlap
2004-05-11 23:16   ` Rusty Russell
2004-05-12  1:47     ` Matt Mackall
2004-05-12  6:00     ` Andi Kleen

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