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

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Message-Id: <20170221.111602.860315087619854954.davem@davemloft.net>
Date:   Tue, 21 Feb 2017 11:16:02 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     jszhang@...vell.com
Cc:     gregory.clement@...e-electrons.com,
        thomas.petazzoni@...e-electrons.com, arnd@...db.de,
        mw@...ihalf.com, 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

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.