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Message-ID: <1377065647.4226.96.camel@edumazet-glaptop>
Date: Tue, 20 Aug 2013 23:14:07 -0700
From: Eric Dumazet <eric.dumazet@...il.com>
To: Ferry Huberts <mailings@...ie.com>
Cc: netdev@...r.kernel.org
Subject: Re: [PATCH v2 2/2] net: netem: always adjust now/delay when not
reordering
On Wed, 2013-08-21 at 07:59 +0200, Ferry Huberts wrote:
> From: Ferry Huberts <ferry.huberts@...agic.nl>
>
> Not doing this (current behaviour) introduces reordering.
>
> The packet_len_2_sched_time call is the only thing that logically
> depends on q->rate, so move the now/delay adjustment out of the if.
>
> How to test:
> -----------
I ask again :
Did you test a config with both rate limiting and delay.
Netem primary use is to emulate say a 1Mbits link with a rtt of 50ms
netem rate 1Mbit delay 50ms
Because the "delay 10ms 500ms" is very strange : effective delay is in
the following range : -490 ms ... 510 ms
Its probably clamped to 0ms ... 510ms
I really doubt this is what you wanted.
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