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

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Message-ID: <20150312121314.19c40cfd@gandalf.local.home>
Date:	Thu, 12 Mar 2015 12:13:14 -0400
From:	Steven Rostedt <rostedt@...dmis.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,
	Lee Susman <lsusman@...eaurora.org>,
	Sujit Reddy Thumma <sthumma@...eaurora.org>,
	Vinayak Holikatti <vinholikatti@...il.com>,
	"James E.J. Bottomley" <JBottomley@...allels.com>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH v7 3/3] scsi: ufs: add trace events and dump prints for
 debug

On Thu, 12 Mar 2015 17:55:00 +0200
Gilad Broner <gbroner@...eaurora.org> wrote:

> 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 ++++++++++++++++++

For the tracing part...

Acked-by: Steven Rostedt <rostedt@...dmis.org>

-- Steve

>  5 files changed, 790 insertions(+), 37 deletions(-)
>  create mode 100644 include/trace/events/ufs.h
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