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From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: toke@toke.dk, vapier@gentoo.org, jpirko@redhat.com,
	netdev@vger.kernel.org, bloat@lists.bufferbloat.net,
	jbenc@redhat.com, kaber@trash.net, cyrus@openwrt.org,
	jussi.kivilinna@mbnet.fi, nbd@nbd.name, soltys@ziu.info
Subject: Re: [Bloat] [PATCH] net_sched: htb: do not mix 1ns and 64ns time units
Date: Tue, 04 Jun 2013 17:44:39 -0700 (PDT)	[thread overview]
Message-ID: <20130604.174439.327058035432515764.davem@davemloft.net> (raw)
In-Reply-To: <1370365908.24311.222.camel@edumazet-glaptop>

From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 04 Jun 2013 10:11:48 -0700

> From: Eric Dumazet <edumazet@google.com>
> 
> commit 56b765b79 ("htb: improved accuracy at high rates") added another
> regression for low rates, because it mixes 1ns and 64ns time units.
> 
> So the maximum delay (mbuffer) was not 60 second, but 937 ms.
> 
> Lets convert all time fields to 1ns as 64bit arches are becoming the
> norm.
> 
> Reported-by: Jesper Dangaard Brouer <brouer@redhat.com>
> Signed-off-by: Eric Dumazet <edumazet@google.com>

Applied and queued up for -stable, thanks.

  parent reply	other threads:[~2013-06-05  0:44 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-29 13:13 [Bloat] tc linklayer ADSL calc broken after commit 56b765b79 (htb: improved accuracy at high rates) Jesper Dangaard Brouer
2013-05-29 15:52 ` Eric Dumazet
2013-05-29 22:50   ` Stephen Hemminger
2013-05-29 23:18     ` Eric Dumazet
2013-05-30  9:15       ` Jesper Dangaard Brouer
2013-05-30  9:52         ` Steinar H. Gunderson
2013-05-30  0:34     ` Dave Taht
2013-05-30  8:09     ` Jesper Dangaard Brouer
2013-05-30  7:51   ` Jesper Dangaard Brouer
2013-05-30 14:39     ` Eric Dumazet
2013-05-30 15:55       ` Jesper Dangaard Brouer
2013-06-02 21:15 ` Eric Dumazet
2013-06-04 12:13 ` [Bloat] Bad shaping at low rates, " Jesper Dangaard Brouer
2013-06-04 15:18   ` Eric Dumazet
2013-06-04 15:55     ` Eric Dumazet
2013-06-04 16:02       ` Eric Dumazet
2013-06-04 17:11         ` [Bloat] [PATCH] net_sched: htb: do not mix 1ns and 64ns time units Eric Dumazet
2013-06-04 20:21           ` Jesper Dangaard Brouer
2013-06-04 20:26             ` Dave Taht
2013-06-04 21:02               ` Eric Dumazet
2013-06-04 20:50             ` Eric Dumazet
2013-06-05  0:44           ` David Miller [this message]
2013-06-06 13:55 ` [Bloat] RFC: Proposed fix for tc linklayer calc broken after commit 56b765b79 (htb: improved accuracy at high rates) Jesper Dangaard Brouer
2013-06-06 14:28   ` Eric Dumazet

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