netdev - Re: inaccurate packet scheduling

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Message-ID: <CANn89iJdROkJ+dZgfDB9wPpQ3wXdUHK7SX=C2iUbHxwh9=5orw@mail.gmail.com>
Date:	Tue, 18 Dec 2012 10:06:53 -0800
From:	Eric Dumazet <edumazet@...gle.com>
To:	Jiri Pirko <jiri@...nulli.us>
Cc:	Stephen Hemminger <stephen.hemminger@...tta.com>, jhs@...atatu.com,
	davem@...emloft.net, tgraf@...g.ch, netdev@...r.kernel.org
Subject: Re: inaccurate packet scheduling

> No such messages in log
>
>>Also turn off TSO since it screws up any form of rate control.
>
> Turning off TSO did not help. However, turning off scatter-gather
> helped, on both HP DL360G8 (igb) and IBM JS22 (ehea).
>

Think to also disable GSO

Alternatively, you can use "mtu 65536" to allow TBF to send packets
bigger than 2048 bytes
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