From: Peter Zijlstra <peterz@infradead.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Johannes Berg <johannes@sipsolutions.net>,
LKML <linux-kernel@vger.kernel.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Ingo Molnar <mingo@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] tracing: add trace console
Date: Wed, 16 Nov 2011 15:25:37 +0100 [thread overview]
Message-ID: <1321453537.27735.0.camel@twins> (raw)
In-Reply-To: <1321452954.4181.20.camel@frodo>
On Wed, 2011-11-16 at 09:15 -0500, Steven Rostedt wrote:
> I'm good with this. Anyone have any issues with it?
>
> -- Steve
>
> >
> > Signed-off-by: Johannes Berg <johannes.berg@intel.com>
> > ---
> > kernel/trace/Kconfig | 13 ++++++++++
> > kernel/trace/Makefile | 2 +
> > kernel/trace/trace-console.c | 55 +++++++++++++++++++++++++++++++++++++++++++
> > 3 files changed, 70 insertions(+)
> >
> > --- a/kernel/trace/Kconfig 2011-11-16 11:11:27.000000000 +0100
> > +++ b/kernel/trace/Kconfig 2011-11-16 11:11:35.000000000 +0100
> > @@ -368,6 +368,19 @@ config BLK_DEV_IO_TRACE
> >
> > If unsure, say N.
> >
> > +config TRACE_CONSOLE
> > + tristate "Support for a tracing console"
> > + help
> > + Say M (or Y if you must, but this is not recommended)
Why not?
> to be able
> > + to get a tracing console that puts every kernel message into the
> > + tracing infrastructure using trace_printk(). This is useful to
> > + correlate (existing) printk debugging with tracing. When using it
> > + remember to set the console level, e.g. with "dmesg -n8".
next prev parent reply other threads:[~2011-11-16 14:26 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-16 10:18 [PATCH] tracing: add trace console Johannes Berg
2011-11-16 14:15 ` Steven Rostedt
2011-11-16 14:25 ` Peter Zijlstra [this message]
2011-11-16 14:30 ` Johannes Berg
2011-11-16 14:41 ` Peter Zijlstra
2011-11-16 14:48 ` Steven Rostedt
2011-11-16 14:50 ` Peter Zijlstra
2011-11-16 14:51 ` Johannes Berg
2011-11-16 15:17 ` Steven Rostedt
2011-11-16 14:32 ` Thomas Gleixner
2011-11-16 14:35 ` Frederic Weisbecker
2011-11-16 15:09 ` [PATCH v2] " Johannes Berg
2011-11-16 15:17 ` Peter Zijlstra
2011-11-16 15:19 ` Steven Rostedt
2011-11-16 15:10 ` [PATCH] " Christoph Hellwig
2011-11-16 15:17 ` Johannes Berg
2011-11-16 16:41 ` Steven Rostedt
2011-11-16 16:45 ` Johannes Berg
2011-11-16 17:00 ` Steven Rostedt
2011-11-16 17:05 ` Steven Rostedt
2011-11-16 18:33 ` Johannes Berg
2011-11-16 19:57 ` Steven Rostedt
2011-11-16 20:12 ` Johannes Berg
2011-11-16 21:25 ` [PATCH] printk: add console output tracing Johannes Berg
2011-11-17 1:01 ` Steven Rostedt
2011-11-17 14:55 ` Frederic Weisbecker
2011-11-17 14:57 ` Johannes Berg
2011-11-17 15:00 ` Frederic Weisbecker
2011-11-17 15:17 ` Steven Rostedt
2011-11-17 15:21 ` [PATCH v2] " Johannes Berg
2011-11-18 18:44 ` Frederic Weisbecker
2011-11-18 18:46 ` Johannes Berg
2011-11-18 18:54 ` Frederic Weisbecker
2011-11-18 18:59 ` Johannes Berg
2011-11-23 13:16 ` Frederic Weisbecker
2011-11-24 13:21 ` Johannes Berg
2011-11-24 15:45 ` Frederic Weisbecker
2011-11-24 19:00 ` Johannes Berg
2011-11-25 17:43 ` Frederic Weisbecker
2011-11-25 18:11 ` Johannes Berg
2011-11-24 19:03 ` [PATCH v3] " Johannes Berg
2011-11-25 17:41 ` Frederic Weisbecker
2011-12-02 18:05 ` Steven Rostedt
2012-02-13 17:30 ` Steven Rostedt
2012-02-13 17:33 ` Johannes Berg
2012-02-13 17:42 ` Steven Rostedt
2012-02-17 13:52 ` [tip:perf/core] printk/tracing: Add " tip-bot for Johannes Berg
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