linux-kernel - Re: [PATCH v3] scsi: ufs: add trace event for ufs upiu

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Date:   Wed, 28 Mar 2018 18:03:28 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Ohad Sharabi <ohad.sharabi@...disk.com>
Cc:     stanislav.nijnikov@....com, jejb@...ux.vnet.ibm.com,
        martin.petersen@...cle.com, gregkh@...uxfoundation.org,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        alex.lemberg@....com
Subject: Re: [PATCH v3] scsi: ufs: add trace event for ufs upiu


Ohad,

> Add UFS Protocol Information Units(upiu) trace events for ufs driver,
> used to trace various ufs transaction types- command, task-management
> and device management.  The trace-point format is generic and can be
> easily adapted to trace other upius if needed.  Currently tracing ufs
> transaction of type 'device management', which this patch introduce,
> cannot be obtained from any other trace.  Device management
> transactions are used for communication with the device such as
> reading and writing descriptor or attributes etc.

Applied to 4.17/scsi-queue. Thank you!

-- 
Martin K. Petersen	Oracle Linux Engineering