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,
peterz@infradead.org, arjan@infradead.org,
dave@linux.vnet.ibm.com, containers@lists.osdl.org,
ebiederm@xmission.com, sukadev@linux.vnet.ibm.com,
serue@us.ibm.com, srostedt@redhat.com
Subject: Re: [PATCH 3/3] ftrace: trace single pid for function graph tracer
Date: Wed, 3 Dec 2008 12:49:15 -0800 [thread overview]
Message-ID: <20081203124915.2eb9e7cd.akpm@linux-foundation.org> (raw)
In-Reply-To: <20081203203829.362295724@goodmis.org>
On Wed, 03 Dec 2008 15:36:59 -0500
Steven Rostedt <rostedt@goodmis.org> wrote:
> This patch makes the changes to set_ftrace_pid apply to the function
> graph tracer.
That sentence needs help.
> # echo $$ > /debugfs/tracing/set_ftrace_pid
> # echo function_graph > /debugfs/tracing/current_tracer
>
> Will cause only the current task to be traced. Note, the trace flags are
> also inherited by child processes, so the children of the shell
> will also be traced.
Where did we end up on the pids-arent-unique issue? Gave up?
next prev parent reply other threads:[~2008-12-03 20:50 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-03 20:36 [PATCH 0/3] ftrace: updates for tip Steven Rostedt
2008-12-03 20:36 ` [PATCH 1/3] ftrace: graph of a single function Steven Rostedt
2008-12-03 21:07 ` Andrew Morton
2008-12-03 21:10 ` Steven Rostedt
2008-12-03 21:32 ` Andrew Morton
2008-12-03 21:36 ` Steven Rostedt
2008-12-04 8:39 ` Ingo Molnar
2008-12-03 21:08 ` Andrew Morton
2008-12-03 21:11 ` Steven Rostedt
2008-12-04 8:41 ` Ingo Molnar
2008-12-04 8:43 ` Peter Zijlstra
2008-12-15 9:21 ` Andy Whitcroft
2008-12-04 6:24 ` [PATCH 1/1] ftrace: avoid duplicated function when writing set_graph_function Liming Wang
2008-12-04 8:42 ` Ingo Molnar
2008-12-03 20:36 ` [PATCH 2/3] ftrace: use task struct trace flag to filter on pid Steven Rostedt
2008-12-03 22:34 ` Eric W. Biederman
2008-12-03 20:36 ` [PATCH 3/3] ftrace: trace single pid for function graph tracer Steven Rostedt
2008-12-03 20:49 ` Andrew Morton [this message]
2008-12-03 20:52 ` Steven Rostedt
2008-12-03 23:36 ` Eric W. Biederman
2008-12-04 2:29 ` Steven Rostedt
2008-12-04 4:22 ` Eric W. Biederman
2008-12-04 4:32 ` Steven Rostedt
2008-12-04 8:19 ` [PATCH 0/3] ftrace: updates for tip Ingo Molnar
2008-12-04 8:35 ` Ingo Molnar
2008-12-04 13:30 ` Steven Rostedt
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