linux-kernel - Re: Callchain contains impossible call

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Message-ID: <p73wsync3m0.fsf@bingen.suse.de>
Date:	01 Jun 2007 13:32:07 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	"George Krajcsovits" <george.krajcsovits@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Callchain contains impossible call

"George Krajcsovits" <george.krajcsovits@...il.com> writes:

> this is probably RTFM (where is this manual?), but how did I get a
> callchain on a uniprocessor
> system where there are two functions that cannot be a part of it,
> because they don't call anything ? (kfree_skbmem and __kmalloc). Also
> at the end one function call is there twice.

Linux stack traces are not exact by default.

-Andi
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