linux-kernel - RE: [PATCH 1/2] habanalabs: add uapi to retrieve device utilization

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Message-ID: <AM6PR0202MB3382B96648CD5FF41C1326C0B8BE0@AM6PR0202MB3382.eurprd02.prod.outlook.com>
Date:   Mon, 2 Sep 2019 07:46:51 +0000
From:   Omer Shpigelman <oshpigelman@...ana.ai>
To:     Oded Gabbay <oded.gabbay@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Tomer Tayar <ttayar@...ana.ai>
CC:     "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
Subject: RE: [PATCH 1/2] habanalabs: add uapi to retrieve device utilization

From: Oded Gabbay <oded.gabbay@...il.com>
Sent: Friday, 30 August 2019 13:57

> Users and sysadmins usually want to know what is the device utilization as a
> level 0 indication if they are efficiently using the device.
> 
> Add a new opcode to the INFO IOCTL that will return the device utilization
> over the last period of 100-1000ms. The return value is 0-100, representing as
> percentage the total utilization rate.
> 
> Signed-off-by: Oded Gabbay <oded.gabbay@...il.com>

Reviewed-by: Omer Shpigelman <oshpigelman@...ana.ai>