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Re: oprofile gets only kernel samples?

To: Kurt Schwemmer <kurts@vitesse.com>
Subject: Re: oprofile gets only kernel samples?
From: Ralf Baechle <ralf@linux-mips.org>
Date: Tue, 7 Feb 2006 11:09:59 +0000
Cc: linux-mips@linux-mips.org
In-reply-to: <389E6A416914954182ECDFCD844D8269434D89@MX-COS.vsc.vitesse.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <389E6A416914954182ECDFCD844D8269434D89@MX-COS.vsc.vitesse.com>
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On Mon, Feb 06, 2006 at 02:54:00PM -0700, Kurt Schwemmer wrote:

> I've got oprofile working sort of with 2.6.15 kernel on a 24Kc processor
> using just timer interrupts. I only get samples within vmlinux.out
> though. When I look at top output during the period of time there is
> definitely some significant user mode time. Before digging too deep into
> the problem I thought I'd ask to see if this is a known limitation and
> if everyone is seeing this.

That's the symptom of running too old oprofile tools; you need to use a
cvs; the release tarballs are too old.

  Ralf

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