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Date: Tue, 1 Apr 2014 20:36:08 +0400
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From: Vladimir Medvedkin <medvedkinv@gmail.com>
To: Fred Pedrisa <fredhps10@hotmail.com>
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Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] L2FWD uses 'too much' CPU
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Hi,

One of the objectives of DPDK is avoiding of interrupts, so application
(not only L2FWD) polls NIC infineteley. You can look at  programmers guide
section 24 "Power Management" and "L3 Forwarding with Power Management
Sample Application" in  Sample Applications User Guide.

Regards,
Vladimir.


2014-04-01 9:24 GMT+04:00 Fred Pedrisa <fredhps10@hotmail.com>:

> Hi,
>
>
>
> Why by default L2FWD saturate both cores ? I mean, it seems it keeps
> wasting
> cycles due to the infinite loop placed there to check the queues.
>
>
>
> Which would be the way to improve this and make it to become more efficient
> ?
>
>
>
> Sincerely,
>
>
>
> Fred
>
>