netdev - Re: [PATCH] pktgen: add a new sample script for 40G and above link testing

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Date:   Fri, 01 Sep 2017 21:57:25 +0800
From:   Robert Hoo <robert.hu@...ux.intel.com>
To:     "Waskiewicz Jr, Peter" <peter.waskiewicz.jr@...el.com>
Cc:     Jesper Dangaard Brouer <brouer@...hat.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH] pktgen: add a new sample script for 40G and above link
 testing

On Fri, 2017-08-25 at 14:24 +0000, Waskiewicz Jr, Peter wrote:
> On 8/25/17 5:19 AM, Jesper Dangaard Brouer wrote:
> >>
> >> Tested with Intel XL710 NIC with Cisco 3172 switch.
> >>
> >> It would be even slightly better if the irqbalance service is turned
> >> off outside.
> > 
> > Yes, if you don't turn-off (kill) irqbalance it will move around the
> > IRQs behind your back...
> 
> Or you can use the --banirq option to irqbalance to ignore your device's 
> interrupts as targets for balancing.

Oh, I wasn't aware of this parameter. I will be glad to have try later.
Meanwhile, in my test above, the irqbalance service just affect result
very little.
> 
> Cheers,
> -PJ