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From: Andrew Morton <akpm@linux-foundation.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, fweisbec@gmail.com,
	srostedt@redhat.com
Subject: Re: [PATCH 1/3] ftrace: add function tracing to single thread
Date: Tue, 25 Nov 2008 15:31:04 -0800	[thread overview]
Message-ID: <20081125153104.ecdceed4.akpm@linux-foundation.org> (raw)
In-Reply-To: <alpine.DEB.1.10.0811251800130.26424@gandalf.stny.rr.com>

On Tue, 25 Nov 2008 18:01:06 -0500 (EST)
Steven Rostedt <rostedt@goodmis.org> wrote:

> 
> On Tue, 25 Nov 2008, Andrew Morton wrote:
> 
> > On Tue, 25 Nov 2008 17:34:22 -0500
> > Steven Rostedt <rostedt@goodmis.org> wrote:
> > 
> > > This patch adds the ability to function trace a single thread.
> > > The file:
> > > 
> > >   /debugfs/tracing/set_ftrace_pid
> > > 
> > > contains the pid to trace.
> > 
> > What happens if the same pid exists in two or more pid namespaces?
> 
> I think we had this discussion before.

Oh.  What did we end up concluding?

> It tests current->pid, would that 
> be different among the name spaces?

I think those are non-unique.  containers@lists.osdl.org would have
better ideas..


  reply	other threads:[~2008-11-25 23:31 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-25 22:34 [PATCH 0/3] ftrace: new features Steven Rostedt
2008-11-25 22:34 ` [PATCH 1/3] ftrace: add function tracing to single thread Steven Rostedt
2008-11-25 22:42   ` Andrew Morton
2008-11-25 23:01     ` Steven Rostedt
2008-11-25 23:31       ` Andrew Morton [this message]
2008-11-26  0:11         ` Steven Rostedt
2008-11-26  0:53           ` Dave Hansen
2008-11-26  1:01             ` Steven Rostedt
2008-11-26  4:50               ` Eric W. Biederman
2008-11-26  5:01                 ` Steven Rostedt
2008-11-26  6:23                   ` Eric W. Biederman
2008-11-26  6:32                     ` Ingo Molnar
2008-11-26  7:02                       ` Eric W. Biederman
2008-11-26  7:18                         ` Ingo Molnar
2008-11-26  8:48                           ` Eric W. Biederman
2008-11-26  5:20               ` Eric W. Biederman
2008-11-26 16:36                 ` Steven Rostedt
2008-11-26  0:02   ` Frédéric Weisbecker
2008-11-26  0:16     ` Steven Rostedt
2008-11-25 22:34 ` [PATCH 2/3] ftrace: use code patching for ftrace return tracer Steven Rostedt
2008-11-26  0:13   ` Frédéric Weisbecker
2008-11-26  0:23   ` Steven Rostedt
2008-11-25 22:34 ` [PATCH 3/3] ftrace: let function tracing and function return run together Steven Rostedt

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