linux-kernel - Re: [PATCH 3/3] ftrace: add ability to only trace swapper tasks

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Message-ID: <49376BFE.2010501@windriver.com>
Date:	Thu, 04 Dec 2008 13:34:54 +0800
From:	Wang Liming <liming.wang@...driver.com>
To:	Steven Rostedt <rostedt@...dmis.org>
CC:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Dave Hansen <dave@...ux.vnet.ibm.com>,
	containers@...ts.osdl.org, Eric Biederman <ebiederm@...ssion.com>,
	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
	"Serge E. Hallyn" <serue@...ibm.com>,
	Steven Rostedt <srostedt@...hat.com>
Subject: Re: [PATCH 3/3] ftrace: add ability to only trace swapper tasks

Steven Rostedt wrote:
 > /* set when tracing only a pid */
 > struct pid *ftrace_pid_trace;
 >+static struct pid * const ftrace_swapper_pid = (struct pid *)1;

swapper pid is 1? not 0?


Liming Wang
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