From: Arnd Bergmann <arnd@arndb.de>
To: "Rune Torgersen" <runet@innovsys.com>
Cc: linuxppc-dev@ozlabs.org, Milton Miller <miltonm@bga.com>
Subject: Re: 82xx performance
Date: Thu, 17 Jul 2008 00:32:36 +0200 [thread overview]
Message-ID: <200807170032.36564.arnd@arndb.de> (raw)
In-Reply-To: <DCEAAC0833DD314AB0B58112AD99B93B04B3499C@ismail.innsys.innovsys.com>
On Wednesday 16 July 2008, Rune Torgersen wrote:
> I did run oprofile, but I could not figure out how to get it to show me
> where in the kernel it was spending time. It showed that a lot of time
> was spent in vmlinux, but not anything specific. I probably just don't
> know how to set up or run oprofile correctly.
Maybe you passed no vmlinux, or only a stripped one?
Oprofile needs to have a vmlinux file to extract the symbol
information from.
If you can't get it to work, readprofile(1) is a much simpler
tool, both in what it can do and what it requires you to do.
Arnd <><
next prev parent reply other threads:[~2008-07-16 22:33 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-14 16:34 82xx performance Rune Torgersen
2008-07-14 20:44 ` Arnd Bergmann
2008-07-15 14:16 ` Rune Torgersen
2008-07-15 18:25 ` Rune Torgersen
2008-07-15 19:50 ` Arnd Bergmann
2008-07-16 21:08 ` Rune Torgersen
2008-07-16 21:45 ` Arnd Bergmann
2008-07-16 21:53 ` Rune Torgersen
2008-07-16 22:32 ` Arnd Bergmann [this message]
2008-07-17 15:12 ` Rune Torgersen
2008-07-17 15:47 ` Arnd Bergmann
2008-07-17 15:52 ` Rune Torgersen
2008-07-17 18:24 ` Rune Torgersen
2008-07-17 19:43 ` Arnd Bergmann
2008-07-17 19:54 ` Rune Torgersen
2008-07-17 21:32 ` Arnd Bergmann
2008-07-25 20:41 ` Rune Torgersen
2008-07-26 3:47 ` Milton Miller
2008-07-15 15:57 ` Milton Miller
2008-07-15 18:12 ` Rune Torgersen
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