netdev - Re: [BUG #12364] Re: HTB - very bad precision? HFSC works fine! 2.6.28

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Date:	Mon, 12 Jan 2009 20:58:22 +0100 (CET)
From:	Jesper Dangaard Brouer <hawk@...u.dk>
To:	Denys Fedoryschenko <denys@...p.net.lb>
Cc:	Patrick McHardy <kaber@...sh.net>, netdev <netdev@...r.kernel.org>,
	bugme-daemon@...zilla.kernel.org
Subject: Re: [BUG #12364] Re: HTB - very bad precision? HFSC works
 fine!	2.6.28

On Mon, 12 Jan 2009, Denys Fedoryschenko wrote:

> End of my story:
> 1000HZ solved issue. HTB and HFSC keeps rate MUCH better.
> Both looks like perform similar, but because it is real load scenario, i
> cannot measure which one is better.

If that was you problem, you should consider enabling 
CONFIG_HIGH_RES_TIMERS (and possibly CONFIG_NO_HZ).

Patrick McHardy has at some point made the sched code independent of the 
HZ value, but only when the HIGH_RES_TIMERS are enabled.

Cheers,
   Jesper Brouer

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