linux-kernel - Re: [PATCH 1/1] tracing, workqueuetrace: Make workqueue tracepoints use TRACE

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Date:	Mon, 13 Apr 2009 12:57:52 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Zhaolei <zhaolei@...fujitsu.com>
Cc:	kosaki.motohiro@...fujitsu.com,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Tom Zanussi <tzanussi@...il.com>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] tracing, workqueuetrace: Make workqueue tracepoints use TRACE_EVENT macro

Hi

> KOSAKI Motohiro wrote:
> >> Hi,
> >>
> >> hehe, I also have similar patch in my local patch queue ;)
> >>
> >>> +TRACE_EVENT(workqueue_insertion,
> >>> +
> >>> +	TP_PROTO(struct task_struct *wq_thread, struct work_struct *work),
> >>> +
> >>> +	TP_ARGS(wq_thread, work),
> >>> +
> >>> +	TP_STRUCT__entry(
> >>> +		__array(	char,			thread_comm,	TASK_COMM_LEN	)
> >>> +		__field(	pid_t,			thread_pid			)
> >>> +		__field(	struct work_struct *,	work				)
> >>> +		__field(	work_func_t,		func				)
> >>> +	),
> > 
> > and, your patch exceed 80 character in many lines.
> > Please use checkpatch.pl script.
> Hello, Kosaki-san
> 
> Thanks for your comments for this patch,
> I'll merge your and other people's comments and send a V2.
> 
> About line exceed 80 characters, I do checkpatch before send, and I know that
> lines in TP_STRUCT__entry are too long.
> It it because I use similar format with other TRACE_EVENT definition.
> Actually, I don't know why we need to add prefix and postfix TABs, and is it
> necessary to use tab to make alignment for each fields.
> Who can give me teach? or I will use different format to fix this 80-char problem.

I'll send my patch today's later. please give me comment :)




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