linux-kernel - Re: [PATCH v4] mmc: Provide tracepoints for request processing

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Date:	Tue, 5 Apr 2016 19:18:51 +0800
From:	Baolin Wang <baolin.wang@...aro.org>
To:	Ulf Hansson <ulf.hansson@...aro.org>
Cc:	Steven Rostedt <rostedt@...dmis.org>, mingo@...hat.com,
	Adrian Hunter <adrian.hunter@...el.com>,
	Yangbo Lu <yangbo.lu@...escale.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"JBottomley@...n.com" <JBottomley@...n.com>,
	"Luca Porzio (lporzio)" <lporzio@...ron.com>,
	Jon Hunter <jonathanh@...dia.com>,
	Grant Grundler <grundler@...omium.org>,
	Jens Axboe <axboe@...com>, Fabian Frederick <fabf@...net.be>,
	Yunpeng Gao <yunpeng.gao@...el.com>,
	Dan Williams <dan.j.williams@...el.com>,
	Rabin Vincent <rabin.vincent@...s.com>,
	"Dong, Chuanxiao" <chuanxiao.dong@...el.com>,
	Shawn Lin <shawn.lin@...k-chips.com>,
	Heiko Stübner <heiko@...ech.de>,
	Doug Anderson <dianders@...omium.org>,
	David Jander <david@...tonic.nl>,
	Mark Brown <broonie@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Takahiro Akashi <takahiro.akashi@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-mmc <linux-mmc@...r.kernel.org>
Subject: Re: [PATCH v4] mmc: Provide tracepoints for request processing

On 5 April 2016 at 19:12, Ulf Hansson <ulf.hansson@...aro.org> wrote:
> On 31 March 2016 at 05:16, Baolin Wang <baolin.wang@...aro.org> wrote:
>> This patch provides some tracepoints for the lifecycle of a mmc request from
>> starting to completion to help with performance analysis of MMC subsystem.
>>
>> Changes since v3:
>>  - Add "retries" and "re-tune state" in the trace print.
>>  - Move trace_mmc_request_start() to __mmc_start_request() function to avoid
>>  missing valuable information about which command/request is being sent.
>>
>> Signed-off-by: Baolin Wang <baolin.wang@...aro.org>
>
> Thanks, applied for next!
>
> I did some clean-up of the change log, as I think the history of the
> patch is not relevant in there. Next time, please provide the history
> as patch information (just add the text below "---" and end the
> message by adding yet another "---" and a newline.

Make sense. Thanks.

-- 
Baolin.wang
Best Regards