linux-kernel - Re: [PATCH 1/2] ftrace: Add task_comm support for trace

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Message-ID: <C81DF133055643E0A5EB3403B72ED073@zhaoleiwin>
Date:	Fri, 22 May 2009 16:49:18 +0800
From:	"Zhaolei" <zhaolei@...fujitsu.com>
To:	"Ingo Molnar" <mingo@...e.hu>,
	"Steven Rostedt" <rostedt@...dmis.org>
Cc:	"Frederic Weisbecker" <fweisbec@...il.com>,
	"Tom Zanussi" <tzanussi@...il.com>,
	"LKML" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] ftrace: Add task_comm support for trace_event

* From: "Ingo Molnar" <mingo@...e.hu>
> 
> note, this patch fails -tip testing:
> 
> kernel/built-in.o: In function `ftrace_event_enable_disable':
> trace_events.c:(.text+0x6cf7a): undefined reference to `tracing_stop_cmdline_record'
> trace_events.c:(.text+0x6cf91): undefined reference to `tracing_start_cmdline_record'

Hello, Ingo

Sorry for this bug.

Maybe it is caused by not config sched_switch tracer.
trace_sched_switch.c is necessary for trace_event.c now.
I'll test and fix it.

Thanks
Zhaolei

> 
> Ingo
> 
>