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From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>,
	Steven Rostedt <srostedt@redhat.com>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] ftrace: Don't use tracing_record_cmdline() in workqueue  tracer
Date: Tue, 10 Mar 2009 21:18:48 +0900	[thread overview]
Message-ID: <2f11576a0903100518i640a5cefgb359cc3ab81688db@mail.gmail.com> (raw)
In-Reply-To: <20090310121125.GC5794@elte.hu>

>> Doh!
>> My last mail's cc list didn't include lkml. that's unintensional silly
>> my mistake. very sorry.
>>
>> and Yes, memcpy(buf, task->comm, 16) mean two movq
>> instruction. that is worthless for caching. I think we can
>> remove this cache completely.
>
> ok, agreed - mind sending a patch for that?

ok, I'll do that.

>> and, I find my last patch has one race window. fixing below.
>
> Could you please send a delta patch against tip:master? Thanks,

maybe, I can send it tommorow.

thanks.

      reply	other threads:[~2009-03-10 12:19 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20090309175330.CF63.A69D9226@jp.fujitsu.com>
     [not found] ` <20090309092817.GA2184@elte.hu>
2009-03-10  0:57   ` KOSAKI Motohiro
2009-03-10 12:11     ` Ingo Molnar
2009-03-10 12:18       ` KOSAKI Motohiro [this message]

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