netdev - Re: HTB accuracy for high speed

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Message-ID: <20090518091314.06bf60d2@nehalam>
Date:	Mon, 18 May 2009 09:13:14 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Antonio Almeida <vexwek@...il.com>
Cc:	netdev@...r.kernel.org, jarkao2@...il.com, kaber@...sh.net,
	davem@...emloft.net, devik@....cz
Subject: Re: HTB accuracy for high speed

On Mon, 18 May 2009 11:01:21 +0100
Antonio Almeida <vexwek@...il.com> wrote:

> Hi!
> 
> cat /sys/devices/system/clocksource/clocksource0/current_clocksource
> returns "jiffies"

That is the slowest of the choices. Better ones are hpet and tsc, but you
hardware doesn't support them.

You should compile your kernel with HZ=1000 and the resolution will be better
(but with some loss of performance).
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