From: Peter Zijlstra <peterz@infradead.org>
To: "Frank Ch. Eigler" <fche@redhat.com>
Cc: Jason Baron <jbaron@redhat.com>,
mingo@elte.hu, rostedt@goodmis.org, linux-kernel@vger.kernel.org,
acme@ghostprotocols.net, fweisbec@gmail.com,
compudj@krystal.dyndns.org
Subject: Re: [PATCH] new irq tracer
Date: Wed, 18 Feb 2009 23:10:35 +0100 [thread overview]
Message-ID: <1234995035.4799.14.camel@laptop> (raw)
In-Reply-To: <20090218220201.GG24507@redhat.com>
On Wed, 2009-02-18 at 17:02 -0500, Frank Ch. Eigler wrote:
> > I really am having a difficult time seeing the use in such narrow
> > tracers.
>
> Part of the problem may come from defining "tracers" as something
> limited to ftrace engines. Once such tracepoints are in the kernel,
> more powerful analytical tools may be attached to them.
ftrace graph tracer is by far the most powerful thing I've seen, there's
nothing limiting about ftrace.
What is limiting are these puny little tracers that have no real value.
A much better purpose for these tracepoints would be augmenting data in
existing tracers like the graph/function/sched tracer.
next prev parent reply other threads:[~2009-02-18 22:10 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-18 19:53 [PATCH] new irq tracer Jason Baron
2009-02-18 20:08 ` Steven Rostedt
2009-02-18 20:26 ` Mathieu Desnoyers
2009-02-19 1:42 ` KOSAKI Motohiro
2009-02-18 20:30 ` Kyle McMartin
2009-02-18 21:15 ` Peter Zijlstra
2009-02-18 21:35 ` Jason Baron
2009-02-18 21:46 ` Peter Zijlstra
2009-02-18 22:02 ` Frank Ch. Eigler
2009-02-18 22:10 ` Peter Zijlstra [this message]
2009-02-18 22:23 ` Frank Ch. Eigler
2009-02-18 23:21 ` Peter Zijlstra
2009-02-20 19:52 ` Jason Baron
2009-02-21 3:39 ` Frederic Weisbecker
2009-02-22 3:38 ` KOSAKI Motohiro
2009-02-25 16:48 ` Masami Hiramatsu
2009-02-25 16:57 ` Jason Baron
2009-02-25 17:34 ` Mathieu Desnoyers
2009-02-25 18:05 ` Steven Rostedt
2009-02-25 22:12 ` Mathieu Desnoyers
2009-02-25 22:20 ` Frederic Weisbecker
2009-02-25 23:13 ` Mathieu Desnoyers
2009-02-26 1:41 ` Steven Rostedt
2009-02-26 12:37 ` Dominique Toupin
2009-02-27 3:14 ` KOSAKI Motohiro
2009-02-27 3:29 ` Steven Rostedt
2009-02-27 3:36 ` Steven Rostedt
2009-02-27 7:48 ` KOSAKI Motohiro
2009-02-27 8:06 ` Peter Zijlstra
2009-02-27 8:13 ` KOSAKI Motohiro
2009-02-27 13:10 ` Arnaldo Carvalho de Melo
2009-02-27 14:43 ` Steven Rostedt
2009-02-27 7:23 ` Peter Zijlstra
2009-02-25 22:21 ` Steven Rostedt
2009-02-26 15:11 ` Jason Baron
2009-02-26 15:32 ` Steven Rostedt
2009-02-26 15:35 ` Ingo Molnar
2009-02-26 15:40 ` Peter Zijlstra
2009-02-26 16:20 ` Frederic Weisbecker
2009-02-27 3:35 ` KOSAKI Motohiro
2009-02-27 3:33 ` KOSAKI Motohiro
2009-02-27 7:25 ` Peter Zijlstra
2009-02-25 16:58 ` Mathieu Desnoyers
2009-02-25 17:19 ` Masami Hiramatsu
2009-02-27 3:08 ` KOSAKI Motohiro
2009-02-18 23:34 ` Kyle McMartin
2009-02-19 2:13 ` Frederic Weisbecker
2009-02-19 1:46 ` Frederic Weisbecker
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