From: Mathieu Desnoyers <compudj@krystal.dyndns.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Steven Rostedt <rostedt@goodmis.org>,
LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Theodore Tso <tytso@mit.edu>,
Arjan van de Ven <arjan@infradead.org>,
Pekka Paalanen <pq@iki.fi>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Jason Baron <jbaron@redhat.com>, Martin Bligh <mbligh@google.com>,
"Frank Ch. Eigler" <fche@redhat.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Jens Axboe <jens.axboe@oracle.com>,
Masami Hiramatsu <mhiramat@redhat.com>,
Steven Rostedt <srostedt@redhat.com>
Subject: Re: [PATCH 2/4] tracing: add event trace infrastructure
Date: Wed, 25 Feb 2009 00:16:38 -0500 [thread overview]
Message-ID: <20090225051638.GA27634@Krystal> (raw)
In-Reply-To: <20090224203308.8d623e0b.akpm@linux-foundation.org>
* Andrew Morton (akpm@linux-foundation.org) wrote:
> On Tue, 24 Feb 2009 23:08:56 -0500 (EST) Steven Rostedt <rostedt@goodmis.org> wrote:
>
> > > Gad, what a lot of stuff.
> > >
> > > Use strncpy_from_user()?
> > >
> > > Use strstrip()?
> > >
> > > Why do we care about leading and trailing whitespace - user error!
> >
> > This is because i want:
> >
> > cat available_events > set_event
> >
> > to work.
>
> :(
>
> Why on earth do we keep on putting all these pretty-printers and
> pretty-parsers into the kernel? I mean, how hard is it for userspace
> to read a text file, do some basic substitutions and print it out again?
>
... or to read a binary buffer and format it in text, which is much more
efficient... :) If that's the kind of feature you are looking for, you
will probably like this aspect of the LTTng patchset. I should really,
really post it soon.
Mathieu
--
Mathieu Desnoyers
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
next prev parent reply other threads:[~2009-02-25 5:16 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-25 2:56 [PATCH 0/4] [git pull] tip/tracing/ftrace Steven Rostedt
2009-02-25 2:56 ` [PATCH 1/4] tracing: add DEFINE_TRACE_FMT to tracepoint.h Steven Rostedt
2009-02-25 6:27 ` Peter Zijlstra
2009-02-25 13:01 ` Steven Rostedt
2009-02-25 16:09 ` Mathieu Desnoyers
2009-02-25 16:13 ` Mathieu Desnoyers
2009-02-25 16:28 ` Steven Rostedt
2009-02-25 16:33 ` Ingo Molnar
2009-02-25 2:56 ` [PATCH 2/4] tracing: add event trace infrastructure Steven Rostedt
2009-02-25 3:45 ` Andrew Morton
2009-02-25 4:08 ` Steven Rostedt
2009-02-25 4:24 ` Nick Piggin
2009-02-25 4:33 ` Andrew Morton
2009-02-25 5:16 ` Mathieu Desnoyers [this message]
2009-02-25 8:11 ` Ingo Molnar
2009-02-25 8:28 ` Andrew Morton
2009-02-25 8:40 ` Ingo Molnar
2009-02-25 9:15 ` Andrew Morton
2009-02-25 9:00 ` Pekka Enberg
2009-02-25 9:10 ` Ingo Molnar
2009-02-25 9:22 ` Andrew Morton
2009-02-25 9:26 ` Peter Zijlstra
2009-02-25 10:31 ` Ingo Molnar
2009-02-25 9:33 ` Pekka Enberg
2009-02-25 9:44 ` Andrew Morton
2009-02-25 9:56 ` Ingo Molnar
2009-02-25 10:02 ` Andrew Morton
2009-02-25 10:24 ` Pekka Enberg
2009-02-25 10:27 ` Ingo Molnar
2009-02-25 16:21 ` Frederic Weisbecker
2009-02-25 9:57 ` Pekka Enberg
2009-02-25 10:07 ` [PATCH] tracing: remove /debug/tracing/latency_trace Ingo Molnar
2009-02-25 14:41 ` [PATCH 2/4] tracing: add event trace infrastructure Steven Rostedt
2009-02-25 15:57 ` Ingo Molnar
2009-02-25 16:09 ` Steven Rostedt
2009-02-25 22:48 ` Steven Rostedt
2009-02-26 3:19 ` Ingo Molnar
2009-02-25 13:54 ` Theodore Tso
2009-02-26 21:08 ` Frank Ch. Eigler
2009-03-01 10:37 ` KOSAKI Motohiro
2009-02-25 13:37 ` Theodore Tso
2009-02-25 14:10 ` Steven Rostedt
2009-02-25 9:07 ` Lai Jiangshan
2009-02-25 13:50 ` Steven Rostedt
2009-02-25 9:21 ` Lai Jiangshan
2009-02-25 13:54 ` Steven Rostedt
2009-02-25 2:56 ` [PATCH 3/4] tracing: add schedule events to event trace Steven Rostedt
2009-02-25 6:29 ` Peter Zijlstra
2009-02-25 2:56 ` [PATCH 4/4] tracing: make event directory structure Steven Rostedt
2009-02-25 6:59 ` Frederic Weisbecker
2009-02-25 13:07 ` Steven Rostedt
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