From: Ingo Oeser <ioe-lkml@rameria.de>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
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>,
"H. Peter Anvin" <hpa@zytor.com>,
Mathieu Desnoyers <compudj@krystal.dyndns.org>,
Martin Bligh <mbligh@google.com>,
"Frank Ch. Eigler" <fche@redhat.com>,
Tom Zanussi <tzanussi@gmail.com>,
Masami Hiramatsu <mhiramat@redhat.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Jason Baron <jbaron@redhat.com>,
Christoph Hellwig <hch@infradead.org>,
Jiaying Zhang <jiayingz@google.com>,
"Eduard - Gabriel Munteanu" <eduard.munteanu@linux360.ro>,
mrubin@google.com, md@google.com
Subject: Re: [PATCH 0/5] [RFC] binary reading of ftrace ring buffers
Date: Wed, 4 Mar 2009 23:47:14 +0100 [thread overview]
Message-ID: <200903042347.16054.ioe-lkml@rameria.de> (raw)
In-Reply-To: <alpine.DEB.2.00.0903040949070.7995@gandalf.stny.rr.com>
Hi Steven,
On Wednesday 04 March 2009, Steven Rostedt wrote:
> On Wed, 4 Mar 2009, Ingo Molnar wrote:
> > Any chance of merging them into a single perl script? I.e. the
> > perl script would embedd the .c code and build it on every
> > invocation (into /tmp), so that one can do single-tool tracing
> > with no immediate binary components. Such self-sufficiency is
> > very handy when probing systems in a minimally invasive way.
> >
> > And we could also have twice the ugliness for the same price.
> >
>
> Gag, that would really be ugly code ;-)
If you want really ugly code, you could do the SYS_splice in perl
via syscall. Just look it up via "perldoc -f syscall" and play around :-)
Best Regards
Ingo Oeser
next prev parent reply other threads:[~2009-03-04 22:47 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-04 2:49 Steven Rostedt
2009-03-04 2:49 ` [PATCH 1/5] ring-buffer: reset write field for ring_buffer_read_page Steven Rostedt
2009-03-04 2:49 ` [PATCH 2/5] ring-buffer: fix ring_buffer_read_page Steven Rostedt
2009-03-04 2:49 ` [PATCH 3/5] ring-buffer: replace sizeof of event header with offsetof Steven Rostedt
2009-03-04 2:49 ` [PATCH 4/5] ring-buffer: make ring_buffer_read_page read from start on partial page Steven Rostedt
2009-03-04 2:49 ` [PATCH 5/5] tracing: add binary buffer files for use with splice Steven Rostedt
2009-03-04 3:35 ` Andrew Morton
2009-03-04 3:43 ` Steven Rostedt
2009-03-04 4:38 ` H. Peter Anvin
2009-03-04 4:45 ` Steven Rostedt
2009-03-04 4:46 ` Theodore Tso
2009-03-04 4:49 ` Steven Rostedt
2009-03-04 5:07 ` [PATCH] fs: make simple_read_from_buffer conventional Steven Rostedt
2009-03-04 10:12 ` Ingo Molnar
2009-03-04 3:01 ` [PATCH 0/5] [RFC] binary reading of ftrace ring buffers Steven Rostedt
2009-03-04 3:23 ` Steven Rostedt
2009-03-04 10:26 ` Ingo Molnar
2009-03-04 14:51 ` Steven Rostedt
2009-03-04 22:47 ` Ingo Oeser [this message]
2009-03-04 15:39 ` Mathieu Desnoyers
2009-03-04 17:00 ` Mathieu Desnoyers
2009-03-04 17:19 ` Peter Zijlstra
2009-03-06 16:59 ` Steven Rostedt
2009-03-06 19:10 ` Mathieu Desnoyers
2009-03-06 23:28 ` Jiaying Zhang
2009-03-08 19:21 ` Ingo Molnar
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