Message-ID: <4B4CC992.3010707@am.sony.com>
Date: Tue, 12 Jan 2010 11:12:18 -0800
From: Tim Bird <tim.bird@am.sony.com>
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To: "rostedt@goodmis.org" <rostedt@goodmis.org>
CC: Frederic Weisbecker <fweisbec@gmail.com>,
       Srikar Dronamraju <srikar@linux.vnet.ibm.com>,
       Ingo Molnar <mingo@elte.hu>,
       Arnaldo Carvalho de Melo <acme@infradead.org>,
       Peter Zijlstra <peterz@infradead.org>,
       Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
       utrace-devel <utrace-devel@redhat.com>,
       Jim Keniston <jkenisto@us.ibm.com>,
       Masami Hiramatsu <mhiramat@redhat.com>,
       Maneesh Soni <maneesh@in.ibm.com>, Mark Wielaard <mjw@redhat.com>,
       LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] [PATCH 7/7] Ftrace plugin for Uprobes
References: <20100111122521.22050.3654.sendpatchset@srikar.in.ibm.com>	 <20100111122608.22050.94088.sendpatchset@srikar.in.ibm.com>	 <20100112045454.GJ5243@nowhere> <1263272933.28171.3804.camel@gandalf.stny.rr.com>
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Steven Rostedt wrote:
> I do this all the time to limit the function tracer to a specific app.
> 
> #!/bin/sh
> echo $$ > /debug/tracing/set_ftrace_pid
> echo function > /debug/tracing/current_tracer
> exec $*

This seems pretty handy.  You should put this in scripts/tracing.
:-)

Do you have any other helper scripts you use commonly?
 -- Tim

=============================
Tim Bird
Architecture Group Chair, CE Linux Forum
Senior Staff Engineer, Sony Corporation of America
=============================

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