linux-kernel - Re: [ANNOUNCE] New utility: 'trace'

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Message-ID: <4CE2F747.4060406@linux.intel.com>
Date:	Tue, 16 Nov 2010 13:27:35 -0800
From:	Darren Hart <dvhart@...ux.intel.com>
To:	Thomas Gleixner <tglx@...utronix.de>
CC:	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Tom Zanussi <tzanussi@...il.com>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Li Zefan <lizf@...fujitsu.com>,
	Jason Baron <jbaron@...hat.com>,
	"David S. Miller" <davem@...emloft.net>,
	Christoph Hellwig <hch@....de>,
	Pekka Enberg <penberg@...nel.org>,
	Lai Jiangshan <laijs@...fujitsu.com>,
	Eric Dumazet <eric.dumazet@...il.com>
Subject: Re: [ANNOUNCE] New utility: 'trace'

On 11/16/2010 01:04 PM, Thomas Gleixner wrote:
> We are pleased to announce a new tracing tool called 'trace'.
>

Hi Thomas, Ingo - Congrats and Thanks!

> At this point we'd like to ask for feedback from other users of tracing tools,
> which workflow components would you like to see in addition to what the 'trace'
> tool is offering?
>
> Comments, bug reports, suggestions welcome,

The first thing that comes to mind is trace_marker:

echo "Test point A" > /sys/kernel/debug/tracing/trace_marker

I've found this sort of markup to be useful using ftrace (with C 
equivalents embedded in the test case). Is this supported?

Thanks,

-- 
Darren Hart
Yocto Linux Kernel
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