linux-kernel - Re: [PATCH net-next v3 0/4] net: mvneta: improve rx/tx performance

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Message-ID: <20170224195648.219d6b50@xhacker>
Date:   Fri, 24 Feb 2017 19:56:48 +0800
From:   Jisheng Zhang <jszhang@...vell.com>
To:     David Miller <davem@...emloft.net>, <mw@...ihalf.com>
CC:     <gregory.clement@...e-electrons.com>,
        <thomas.petazzoni@...e-electrons.com>, <arnd@...db.de>,
        <linux-arm-kernel@...ts.infradead.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next v3 0/4] net: mvneta: improve rx/tx performance

Hi David, Marcin,

On Tue, 21 Feb 2017 11:16:02 -0500 David Miller wrote:

> From: Jisheng Zhang <jszhang@...vell.com>
> Date: Tue, 21 Feb 2017 12:37:40 +0800
> 
> > Thanks for your review.
> > 
> > The measurement is simple: record how much time we spent in mvneta_rx_swbm()
> > for receiving 1GB data, something as below:  
> 
> Please use a standard tool for measuring performance, rather than profiling
> the driver and trying to derive numbers that way.

Got your point. I will try to get performance with standard tool and cook a
v4 once rc1 is released.

Thanks,
Jisheng