linux-kernel - Re: [PATCH v7 3/3] scsi: ufs: add trace events and dump prints for debug

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Message-ID: <3a376180355468208318b10f7516cec8.squirrel@www.codeaurora.org>
Date:	Wed, 18 Mar 2015 13:20:49 -0000
From:	"Dov Levenglick" <dovl@...eaurora.org>
To:	"Gilad Broner" <gbroner@...eaurora.org>
Cc:	james.bottomley@...senpartnership.com,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-arm-msm@...r.kernel.org, santoshsy@...il.com,
	linux-scsi-owner@...r.kernel.org, subhashj@...eaurora.org,
	ygardi@...eaurora.org, draviv@...eaurora.org,
	"Gilad Broner" <gbroner@...eaurora.org>,
	"Lee Susman" <lsusman@...eaurora.org>,
	"Sujit Reddy Thumma" <sthumma@...eaurora.org>,
	"Vinayak Holikatti" <vinholikatti@...il.com>,
	"James E.J. Bottomley" <jbottomley@...allels.com>,
	"Steven Rostedt" <rostedt@...dmis.org>,
	"Ingo Molnar" <mingo@...hat.com>
Subject: Re: [PATCH v7 3/3] scsi: ufs: add trace events and dump prints for
 debug

> Add trace events to driver to allow monitoring and profilig
> of activities such as PM suspend/resume, hibernate enter/exit,
> clock gating and clock scaling up/down.
> In addition, add UFS host controller register dumps to provide
> detailed information in case of errors to assist in analysis
> of issues.
>
> Signed-off-by: Dolev Raviv <draviv@...eaurora.org>
> Signed-off-by: Subhash Jadavani <subhashj@...eaurora.org>
> Signed-off-by: Lee Susman <lsusman@...eaurora.org>
> Signed-off-by: Sujit Reddy Thumma <sthumma@...eaurora.org>
> Signed-off-by: Yaniv Gardi <ygardi@...eaurora.org>
> ---
>  drivers/scsi/ufs/ufs-qcom.c |  53 +++++
>  drivers/scsi/ufs/ufshcd.c   | 511
> +++++++++++++++++++++++++++++++++++++++++---
>  drivers/scsi/ufs/ufshcd.h   |  49 ++++-
>  drivers/scsi/ufs/ufshci.h   |   1 +
>  include/trace/events/ufs.h  | 213 ++++++++++++++++++
>  5 files changed, 790 insertions(+), 37 deletions(-)
>  create mode 100644 include/trace/events/ufs.h
>

[removed ~1500 lines of code]
Reviewed-by: Dov Levenglick <dovl@...eaurora.org>


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> Qualcomm Israel, on behalf of Qualcomm Innovation Center, Inc.
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>
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QUALCOMM ISRAEL, on behalf of Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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