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Re: [RFC] systemtap: begin the process of using proper kernel APIs (part1: use kprobe symbol_name/offset instead of address)

From: Andi Kleen <andi at firstfloor dot org>
To: Peter Zijlstra <peterz at infradead dot org>
Cc: "Frank Ch. Eigler" <fche at redhat dot com>, James Bottomley <James dot Bottomley at HansenPartnership dot com>, linux-kernel <linux-kernel at vger dot kernel dot org>, systemtap at sourceware dot org, jbeulich at novell dot com, arjan <arjan at infradead dot org>, sandmann at daimi dot au dot dk, Ingo Molnar <mingo at elte dot hu>
Date: Fri, 18 Jul 2008 15:35:29 +0200
Subject: Re: [RFC] systemtap: begin the process of using proper kernel APIs (part1: use kprobe symbol_name/offset instead of address)
References: <1216146802.3312.95.camel@localhost.localdomain> <87ej5rsgk4.fsf@basil.nowhere.org> <1216373009.5232.130.camel@twins> <y0m7ibjjqg4.fsf@ton.toronto.redhat.com> <1216386627.28405.42.camel@twins>

Peter Zijlstra <peterz@infradead.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

References:
- [RFC] systemtap: begin the process of using proper kernel APIs (part1: use kprobe symbol_name/offset instead of address)
  - From: James Bottomley
- Re: [RFC] systemtap: begin the process of using proper kernel APIs (part1: use kprobe symbol_name/offset instead of address)
  - From: Andi Kleen
- Re: [RFC] systemtap: begin the process of using proper kernel APIs (part1: use kprobe symbol_name/offset instead of address)
  - From: Peter Zijlstra
- Re: [RFC] systemtap: begin the process of using proper kernel APIs (part1: use kprobe symbol_name/offset instead of address)
  - From: Frank Ch. Eigler
- Re: [RFC] systemtap: begin the process of using proper kernel APIs (part1: use kprobe symbol_name/offset instead of address)
  - From: Peter Zijlstra

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