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

From: Steven Rostedt
Date: Thu Mar 12 2015 - 12:13:24 EST


On Thu, 12 Mar 2015 17:55:00 +0200
Gilad Broner <gbroner@xxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxx>
> Signed-off-by: Subhash Jadavani <subhashj@xxxxxxxxxxxxxx>
> Signed-off-by: Lee Susman <lsusman@xxxxxxxxxxxxxx>
> Signed-off-by: Sujit Reddy Thumma <sthumma@xxxxxxxxxxxxxx>
> Signed-off-by: Yaniv Gardi <ygardi@xxxxxxxxxxxxxx>
> ---
> 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@xxxxxxxxxxx>

-- Steve

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