From: Ingo Molnar <mingo@elte.hu>
To: Mathieu Desnoyers <compudj@krystal.dyndns.org>
Cc: Martin Bligh <mbligh@google.com>,
"Frank Ch. Eigler" <fche@redhat.com>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
prasanna@in.ibm.com, Andrew Morton <akpm@osdl.org>,
Paul Mundt <lethal@linux-sh.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
Jes Sorensen <jes@sgi.com>, Tom Zanussi <zanussi@us.ibm.com>,
Richard J Moore <richardj_moore@uk.ibm.com>,
Michel Dagenais <michel.dagenais@polymtl.ca>,
Christoph Hellwig <hch@infradead.org>,
Greg Kroah-Hartman <gregkh@suse.de>,
Thomas Gleixner <tglx@linutronix.de>,
William Cohen <wcohen@redhat.com>,
ltt-dev@shafik.org, systemtap@sources.redhat.com,
Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: [PATCH] Linux Kernel Markers 0.5 for Linux 2.6.17 (with probe management)
Date: Fri, 22 Sep 2006 08:49:55 +0200 [thread overview]
Message-ID: <20060922064955.GA4167@elte.hu> (raw)
In-Reply-To: <20060921214248.GA10097@Krystal>
* Mathieu Desnoyers <compudj@krystal.dyndns.org> wrote:
> > "As an example, LTTng traces the page fault handler, when kprobes
> > just can't instrument it."
> >
> > but tracing a raw pagefault at the arch level is a bad idea anyway,
> > we want to trace __handle_mm_fault(). That way you can avoid having
> > to modify every architecture's pagefault handler ...
>
> Then you lose the ability to trace in-kernel minor page faults.
that's wrong, minor pagefaults go through __handle_mm_fault() just as
much.
Ingo
next prev parent reply other threads:[~2006-09-22 6:59 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-21 16:00 [PATCH] Linux Kernel Markers 0.5 for Linux 2.6.17 (with probe management) Mathieu Desnoyers
2006-09-21 16:06 ` Ingo Molnar
2006-09-21 21:42 ` Mathieu Desnoyers
2006-09-21 21:49 ` Mathieu Desnoyers
2006-09-22 6:29 ` Karim Yaghmour
2006-09-22 6:49 ` Ingo Molnar [this message]
2006-09-22 14:03 ` Mathieu Desnoyers
2006-09-22 16:53 ` Ingo Molnar
2006-09-22 17:11 ` Mathieu Desnoyers
2006-09-22 17:12 ` Ingo Molnar
2006-09-22 17:28 ` Mathieu Desnoyers
2006-09-22 7:07 ` Ingo Molnar
2006-09-22 8:14 ` Karim Yaghmour
2006-09-22 15:08 ` Mathieu Desnoyers
2006-09-22 16:24 ` Karim Yaghmour
2006-09-22 16:13 ` Mathieu Desnoyers
2006-09-22 17:03 ` Karim Yaghmour
2006-09-22 18:06 ` Mathieu Desnoyers
2006-09-22 19:24 ` Karim Yaghmour
2006-09-22 16:45 ` Ingo Molnar
2006-09-22 14:31 ` Christoph Hellwig
2006-09-23 16:51 ` Mathieu Desnoyers
2006-09-21 17:56 ` Frank Ch. Eigler
2006-09-21 18:50 ` Ingo Molnar
2006-09-21 19:54 ` Jeremy Fitzhardinge
2006-09-25 17:45 ` Frank Ch. Eigler
2006-09-21 20:59 ` Mathieu Desnoyers
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