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From: Ingo Molnar <mingo@elte.hu>
To: Peter Zijlstra <peterz@infradead.org>
Cc: "Ted Ts'o" <tytso@mit.edu>, Thomas Gleixner <tglx@linutronix.de>,
	LKML <linux-kernel@vger.kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Arjan van de Ven <arjan@infradead.org>,
	Arnaldo Carvalho de Melo <acme@redhat.com>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
	Tom Zanussi <tzanussi@gmail.com>,
	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
	Li Zefan <lizf@cn.fujitsu.com>, Jason Baron <jbaron@redhat.com>,
	"David S. Miller" <davem@davemloft.net>,
	Christoph Hellwig <hch@lst.de>, Pekka Enberg <penberg@kernel.org>,
	Lai Jiangshan <laijs@cn.fujitsu.com>,
	Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [ANNOUNCE] New utility: 'trace'
Date: Wed, 17 Nov 2010 15:00:02 +0100	[thread overview]
Message-ID: <20101117140002.GH27063@elte.hu> (raw)
In-Reply-To: <1290001128.2109.785.camel@laptop>


* Peter Zijlstra <peterz@infradead.org> wrote:

> On Wed, 2010-11-17 at 14:24 +0100, Ingo Molnar wrote:
> > > What about the filtering and other general features/functionality of
> > > ftrace?  Is the anticipation that this will be ported over to perf?
> > > What about things like blktrace?
> > 
> > Yeah, i'd love to see all that available. Filtering is available already on the 
> > kernel perf event side and could be added as an option. 
> 
> Except I utterly detest the existing filter code.. it runs _after_ we do all the 
> hard work and then makes us roll back when it decides we shouldn't output after 
> all.
> 
> But yes, it is functional.

I suspect that is what matters mostly - unless you think that it's impossible to 
have a sane implementation of it, if the users come.

Thanks,

	Ingo

  reply	other threads:[~2010-11-17 14:00 UTC|newest]

Thread overview: 88+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-16 21:04 [ANNOUNCE] New utility: 'trace' Thomas Gleixner
2010-11-16 21:27 ` Darren Hart
2010-11-16 21:59   ` Ingo Molnar
2010-11-16 22:03     ` Peter Zijlstra
2010-11-16 22:08       ` Ingo Molnar
2010-11-16 22:09       ` Darren Hart
2010-11-16 22:48         ` Darren Hart
2010-11-16 22:07     ` Darren Hart
2010-11-16 22:17   ` Frederic Weisbecker
2010-11-17  8:30     ` Ingo Molnar
2010-11-17 11:35       ` Peter Zijlstra
2010-11-17 12:53         ` Frederic Weisbecker
2010-11-17 13:02           ` Peter Zijlstra
2010-11-17 13:10             ` Ingo Molnar
2010-11-17 13:36               ` Peter Zijlstra
2010-11-17 13:43                 ` Frederic Weisbecker
2010-11-17 13:53                   ` Peter Zijlstra
2010-11-17 14:10                     ` Frederic Weisbecker
2010-11-17 15:02                       ` Steven Rostedt
2010-11-17 18:13                       ` Ted Ts'o
2010-11-17 18:29                         ` Frederic Weisbecker
2010-11-17 18:30                           ` Darren Hart
2010-11-17 16:49             ` Darren Hart
2010-11-18 23:23       ` Joe Perches
2010-11-16 21:35 ` Ingo Molnar
2010-11-17  1:37 ` Ted Ts'o
2010-11-17  1:47   ` Steven Rostedt
2010-11-17  3:16     ` Ted Ts'o
2010-11-17  3:34       ` Steven Rostedt
2010-11-17 19:00         ` Bob Copeland
2010-11-17 13:24   ` Ingo Molnar
2010-11-17 13:38     ` Peter Zijlstra
2010-11-17 14:00       ` Ingo Molnar [this message]
2010-11-17 14:11         ` Peter Zijlstra
2010-11-17 14:18           ` Peter Zijlstra
2010-11-17 14:37             ` Thomas Gleixner
2010-11-17 14:41               ` Peter Zijlstra
2010-11-17 15:41               ` Tom Zanussi
2010-11-17 15:55                 ` Avi Kivity
2010-11-17 15:58                   ` Thomas Gleixner
2010-11-17 16:20                     ` Avi Kivity
2010-11-17 15:59                   ` Peter Zijlstra
2010-11-17 16:08                     ` Avi Kivity
2010-11-17 15:10           ` Steven Rostedt
2010-11-17 15:43             ` Peter Zijlstra
2010-11-17 16:04               ` Steven Rostedt
2010-11-17 16:15               ` Steven Rostedt
2010-11-17 19:40                 ` Darren Hart
2010-11-17 18:23               ` Mathieu Desnoyers
2010-11-18  5:58                 ` Masami Hiramatsu
2010-11-18  6:00               ` Masami Hiramatsu
2010-11-17 15:33           ` Tom Zanussi
2010-11-17 18:36             ` Mathieu Desnoyers
2010-11-17 18:53               ` Tom Zanussi
2010-11-17 19:02                 ` Mathieu Desnoyers
2010-11-17 19:25                   ` Tom Zanussi
2010-11-17 19:25               ` Steven Rostedt
2010-11-17  9:49 ` Philipp Marek
     [not found] ` <4CE38C53.8090606@kernel.org>
2010-11-17 12:07   ` [patch] trace: Add user-space event tracing/injection Ingo Molnar
2010-11-17 12:17     ` Pekka Enberg
2010-11-17 12:30       ` Ingo Molnar
2010-11-17 12:33         ` Pekka Enberg
2010-11-17 12:42           ` Peter Zijlstra
2010-11-17 12:58             ` Ingo Molnar
2010-11-17 13:09               ` Peter Zijlstra
2010-11-17 13:36                 ` Ingo Molnar
2010-11-17 12:24     ` Ingo Molnar
2010-11-17 12:30       ` Pekka Enberg
2010-11-17 12:29     ` Peter Zijlstra
2010-11-17 12:37       ` Peter Zijlstra
2010-11-17 13:10       ` Frederic Weisbecker
2010-11-17 13:31         ` Peter Zijlstra
2010-11-17 13:33           ` Frederic Weisbecker
2010-11-18  1:18     ` Darren Hart
2010-11-18  8:55       ` Ingo Molnar
2010-11-18 16:25         ` hp
2010-11-18 18:56           ` Ingo Molnar
2010-11-18 19:13             ` AW: " Reichert, Hans-Peter
2010-11-18 17:06         ` Darren Hart
2010-11-17 12:47 ` [ANNOUNCE] New utility: 'trace' Török Edwin
2010-11-17 12:51   ` Peter Zijlstra
2010-11-17 13:05     ` Török Edwin
2010-11-17 13:10       ` Peter Zijlstra
2010-11-17 13:32   ` Frederic Weisbecker
2010-11-18  0:47 ` Ian Munsie
     [not found]   ` <20101118151141.GA3368@redhat.com>
2010-11-19  2:32     ` Ian Munsie
2010-11-19 15:23       ` Jason Baron
     [not found]       ` <4CECACF9.3080907@linux.vnet.ibm.com>
     [not found]         ` <4CFD7182.4060206@linux.vnet.ibm.com>
2010-12-07  4:03           ` PowerPC, ftrace: Add PPC raw syscall tracepoints & ftrace fixes Ian Munsie

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