From: Brian Gerst <bgerst@didntduck.org>
To: Davide Libenzi <davidel@xmailserver.org>
Cc: Simon Turvey <turveysp@ntlworld.com>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: Generating a function call trace
Date: Fri, 30 Nov 2001 13:20:41 -0500 [thread overview]
Message-ID: <3C07CDF9.F1069C71@didntduck.org> (raw)
In-Reply-To: <Pine.LNX.4.40.0111300900050.1600-100000@blue1.dev.mcafeelabs.com>
Davide Libenzi wrote:
>
> On Fri, 30 Nov 2001, Simon Turvey wrote:
>
> > Is it possible to arbitrarily generate (in a module say) a function call
> > trace?
>
> gcc has builtin macros to trace back or ( on x86 ) you can simply chain
> through %esp/%ebp
That only works if you compile with frame pointers, which the kernel
turns off for performance reasons (due to register pressure on the x86).
--
Brian Gerst
next prev parent reply other threads:[~2001-11-30 18:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-30 15:13 Generating a function call trace Simon Turvey
2001-11-30 15:33 ` Martin Dalecki
2001-11-30 16:19 ` Petr Vandrovec
2001-11-30 17:02 ` Davide Libenzi
2001-11-30 18:20 ` Brian Gerst [this message]
2001-11-30 18:39 ` Davide Libenzi
2001-11-30 18:37 ` Martin Dalecki
2001-12-01 19:00 ` Matt D. Robinson
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