netdev - Re: ingress policying for realtime protocol

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Date:	Wed, 20 May 2015 19:32:30 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Cong Wang <cwang@...pensource.com>
Cc:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>, netdev <netdev@...r.kernel.org>,
	Jamal Hadi Salim <jhs@...atatu.com>
Subject: Re: ingress policying for realtime protocol

On Wed, 2015-05-20 at 18:59 -0700, Cong Wang wrote:
> On Wed, May 20, 2015 at 6:53 PM, Eric Dumazet <eric.dumazet@...il.com> wrote:
> >
> > Listen Cong, could you please stop assuming that I am a jerk ?
> 
> It is at least the second time to tell you: you SHOULD direct my email
> to /dev/null, SERIOUSLY, I have no interest to argue any stupid thing
> like this with you, PERIOD.
> 
> Since you use gmail, add a filter for both cwang@...pensource.com
> and xiyou.wangcong@...il.com
> 
> HUGE thanks for doing it! It will me a lot of time!

No, I want to block you sending stuff without me having a chance to
comment.

Yeah, I am _that_ stupid.

In case you missed it, there was 'realtime protocol' in the thread
title.

ifb in ingress is adding jitter and nondeterministic behavior.

While a tc policer adds nothing but possibly some cpu cycles that can
easily be accounted for.

I gave a simple working script, because I am tired of people sending
'good advices' but do not care to send a working sample.

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