linux-kernel - Re: [RFC] systemtap: begin the process of using proper kernel APIs (part1: use kprobe symbol

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Message-ID: <871w1r9uxq.fsf@basil.nowhere.org>
Date:	Fri, 18 Jul 2008 15:35:29 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	"Frank Ch. Eigler" <fche@...hat.com>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	systemtap@...rceware.org, jbeulich@...ell.com,
	arjan <arjan@...radead.org>, sandmann@...mi.au.dk,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [RFC] systemtap: begin the process of using proper kernel APIs 	(part1: use kprobe symbol_name/offset instead of address)

Peter Zijlstra <peterz@...radead.org> writes:
>
> I think sysprof (kernel/trace/trace_sysprof.c) already does user-space
> stack unwinding. So pushing that capability further up the chain when a
> second user (stap) comes along makes perfect sense.

oprofile call trace profiling also does it.

-Andi
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