linux-kernel - Re: [PATCH net-next] r8152: divide the tx and rx bottom functions

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Message-Id: <20190815.221749.1827065487915332350.davem@davemloft.net>
Date:   Thu, 15 Aug 2019 22:17:49 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     hayeswang@...ltek.com
Cc:     netdev@...r.kernel.org, nic_swsd@...ltek.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] r8152: divide the tx and rx bottom functions

From: Hayes Wang <hayeswang@...ltek.com>
Date: Fri, 16 Aug 2019 02:59:16 +0000

> David Miller [mailto:davem@...emloft.net]
>> Sent: Friday, August 16, 2019 4:59 AM
> [...]
>> Theoretically, yes.
>> 
>> But do you have actual performance numbers showing this to be worth
>> the change?
>> 
>> Always provide performance numbers with changes that are supposed to
>> improve performance.
> 
> On x86, they are almost the same.
> Tx/Rx: 943/943 Mbits/sec -> 945/944
> 
> For arm platform,
> Tx/Rx: 917/917 Mbits/sec -> 933/933
> Improve about 1.74%.

Belongs in the commit message.