From: Andi Kleen <andi@firstfloor.org>
To: "Frank Ch. Eigler" <fche@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Andi Kleen <andi@firstfloor.org>,
James Bottomley <James.Bottomley@HansenPartnership.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
systemtap@sourceware.org, jbeulich@novell.com
Subject: Re: [RFC] systemtap: begin the process of using proper kernel APIs (part1: use kprobe symbol_name/offset instead of address)
Date: Fri, 18 Jul 2008 15:07:54 +0200 [thread overview]
Message-ID: <20080718130754.GB32051@basil.nowhere.org> (raw)
In-Reply-To: <y0m7ibjjqg4.fsf@ton.toronto.redhat.com>
> For example, we're about to do unwinding/stack-traces of userspace
> programs. To what extent do you think the kernel unwinder (should one
> reappear in git) would welcome patches that provide zero benefit to
> the kernel, but only enable a peculiar (nonintrusive) sort of
> unwinding we would need for complex userspace stacks?
In theory if the tables are right you don't need any special
for the kernel dwarf2 unwinder. If the tables are not right
fix them.
I believe oprofile did this already in some cases (generating
user back traces from the kernel)
-Andi
next prev parent reply other threads:[~2008-07-18 13:08 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-15 18:33 James Bottomley
2008-07-16 22:40 ` Masami Hiramatsu
2008-07-16 23:03 ` James Bottomley
2008-07-17 0:05 ` Masami Hiramatsu
2008-07-17 1:49 ` James Bottomley
2008-07-17 14:18 ` James Bottomley
2008-07-17 16:58 ` James Bottomley
2008-07-17 21:36 ` Masami Hiramatsu
2008-07-17 22:03 ` James Bottomley
2008-07-21 14:20 ` James Bottomley
[not found] ` <1216313914.5515.25.camel__21144.9282979176$1216314027$gmane$org@localhost.localdomain>
2008-07-17 18:30 ` Frank Ch. Eigler
2008-07-17 20:12 ` James Bottomley
2008-07-17 20:26 ` Frank Ch. Eigler
2008-07-17 21:06 ` James Bottomley
2008-07-17 21:33 ` Frank Ch. Eigler
2008-07-17 22:03 ` Masami Hiramatsu
2008-07-22 18:00 ` Rik van Riel
2008-07-22 18:11 ` Frank Ch. Eigler
2008-07-22 18:31 ` Peter Zijlstra
[not found] ` <1216751477.7257.115.camel__19834.5970632092$1216751567$gmane$org@twins>
2008-07-22 18:48 ` Frank Ch. Eigler
2008-07-23 15:04 ` systemtap & backward compatibility, was Re: [RFC] systemtap: begin the process of using proper kernel APIs Frank Ch. Eigler
2008-07-23 15:28 ` Arjan van de Ven
2008-07-23 15:33 ` Peter Zijlstra
2008-07-23 20:25 ` Masami Hiramatsu
[not found] ` <20080723082856.334f9c17__2909.60763018138$1216827051$gmane$org@infradead.org>
2008-07-23 16:41 ` Frank Ch. Eigler
2008-07-23 16:54 ` Adrian Bunk
2008-07-23 17:34 ` Frank Ch. Eigler
2008-07-23 18:40 ` Adrian Bunk
2008-07-23 22:12 ` Masami Hiramatsu
2008-07-18 9:11 ` [RFC] systemtap: begin the process of using proper kernel APIs (part1: use kprobe symbol_name/offset instead of address) Andi Kleen
2008-07-18 9:23 ` Peter Zijlstra
2008-07-18 10:31 ` Andi Kleen
2008-07-18 10:44 ` Peter Zijlstra
2008-07-18 10:52 ` Andi Kleen
2008-07-18 13:02 ` Frank Ch. Eigler
2008-07-18 13:07 ` Andi Kleen [this message]
2008-07-18 13:10 ` Peter Zijlstra
2008-07-18 13:28 ` Frank Ch. Eigler
2008-07-18 13:35 ` Andi Kleen
2008-07-18 13:21 ` James Bottomley
2008-07-18 13:37 ` Frank Ch. Eigler
[not found] <1216146802.3312.95.camel__45052.4692344063$1216146917$gmane$org@localhost.localdomain>
2008-07-15 19:41 ` Frank Ch. Eigler
2008-07-15 19:52 ` James Bottomley
2008-07-15 20:07 ` Frank Ch. Eigler
2008-07-15 20:24 ` James Bottomley
2008-07-15 22:18 ` Frank Ch. Eigler
2008-07-16 2:06 ` James Bottomley
2008-07-16 10:56 ` Frank Ch. Eigler
2008-07-16 14:56 ` James Bottomley
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