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From: Patrick McHardy <kaber@trash.net>
To: David Miller <davem@davemloft.net>
Cc: shemminger@linux-foundation.org, netdev@vger.kernel.org
Subject: Re: [PATCH 4/5] netem: avoid excessive requeues
Date: Fri, 23 Mar 2007 12:06:14 +0100	[thread overview]
Message-ID: <4603B4A6.7050202@trash.net> (raw)
In-Reply-To: <20070322.140816.104054993.davem@davemloft.net>

David Miller wrote:
> From: Patrick McHardy <kaber@trash.net>
> Date: Thu, 22 Mar 2007 21:40:43 +0100
> 
>>Perhaps we should put this in qdisc_restart, other qdiscs have the
>>same problem.
> 
> 
> Agreed, patches welcome :)


I've tried this, but for some reason it makes TBF stay about
5% under the configured rate. Probably because of late timers,
the strange thing is that the 5% happen constantly even with
very low rates.


  reply	other threads:[~2007-03-23 11:06 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-21 17:42 [PATCH 0/5] netem performance improvements Stephen Hemminger
2007-03-21 17:42 ` [PATCH 1/5] netem: report reorder percent correctly Stephen Hemminger
2007-03-21 17:42 ` [PATCH 2/5] netem: use better types for time values Stephen Hemminger
2007-03-21 17:42 ` [PATCH 3/5] netem: optimize tfifo Stephen Hemminger
2007-03-21 17:42 ` [PATCH 4/5] netem: avoid excessive requeues Stephen Hemminger
2007-03-22 20:40   ` Patrick McHardy
2007-03-22 21:08     ` David Miller
2007-03-23 11:06       ` Patrick McHardy [this message]
2007-03-23 13:26         ` Patrick McHardy
2007-03-21 17:42 ` [PATCH 5/5] qdisc: avoid transmit softirq on watchdog wakeup Stephen Hemminger
2007-03-22 19:19 ` [PATCH 0/5] netem performance improvements David Miller

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