From: Stephen Hemminger <shemminger@vyatta.com>
To: Patrick McHardy <kaber@trash.net>
Cc: Denys Fedoryschenko <denys@visp.net.lb>,
Jesper Dangaard Brouer <hawk@diku.dk>,
netdev <netdev@vger.kernel.org>,
bugme-daemon@bugzilla.kernel.org
Subject: Re: [BUG #12364] Re: HTB - very bad precision? HFSC works fine! 2.6.28
Date: Mon, 12 Jan 2009 23:28:11 -0800 [thread overview]
Message-ID: <20090112232811.46100689@extreme> (raw)
In-Reply-To: <496C198A.4060502@trash.net>
On Tue, 13 Jan 2009 05:33:14 +0100
Patrick McHardy <kaber@trash.net> wrote:
> Denys Fedoryschenko wrote:
> > They are enabled
> >
> > Router-Dora /config # zcat /proc/config.gz |grep HIGH_RES
> > CONFIG_HIGH_RES_TIMERS=y
> > Router-Dora /config # zcat /proc/config.gz |grep HZ
> > CONFIG_NO_HZ=y
>
> Its odd that HZ=1000 solved the problem despite HR timers being active.
> Are you sure they're actually enabled? You should see something like
> this in the ringbuffer:
>
> [ 0.241972] Switched to high resolution mode on CPU 0
> [ 0.242708] Switched to high resolution mode on CPU 1
> --
> To unsubscribe from this list: send the line "unsubscribe netdev" in
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Even with NO_HZ the regular kernel won't schedule timers sooner
than HZ. I believe it caused regressions so it was disabled.
next prev parent reply other threads:[~2009-01-13 7:28 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-07 22:02 HTB - very bad precision? HFSC works fine! 2.6.28 Denys Fedoryschenko
[not found] ` <008201c97115$091b5d50$1b5217f0$@jorge@decimal.pt>
2009-01-07 22:36 ` Denys Fedoryschenko
[not found] ` <00a101c97118$e25a6ae0$a70f40a0$@jorge@decimal.pt>
2009-01-07 22:44 ` Denys Fedoryschenko
2009-01-07 23:42 ` mysql.jorge
2009-01-08 9:42 ` [BUG 12364] " Jarek Poplawski
2009-01-08 9:54 ` [BUG #12364] " Jarek Poplawski
2009-01-08 10:06 ` Jarek Poplawski
2009-01-08 10:35 ` mysql.jorge
2009-01-08 11:04 ` Jarek Poplawski
2009-01-08 11:22 ` mysql.jorge
2009-01-08 13:59 ` Jarek Poplawski
2009-01-08 14:09 ` mysql.jorge
2009-01-08 17:27 ` mysql.jorge
2009-01-08 18:32 ` Denys Fedoryschenko
2009-01-08 18:37 ` Jorge Bastos
2009-01-08 18:46 ` Denys Fedoryschenko
2009-01-08 18:41 ` Denys Fedoryschenko
2009-01-08 21:46 ` Jorge Bastos
2009-01-08 21:57 ` Denys Fedoryschenko
2009-01-08 22:04 ` Jorge Bastos
2009-01-09 10:30 ` Jarek Poplawski
2009-01-09 10:32 ` Denys Fedoryschenko
2009-01-09 10:44 ` Jarek Poplawski
2009-01-09 10:47 ` Jorge Bastos
2009-01-09 10:58 ` Jarek Poplawski
2009-01-12 7:27 ` Patrick McHardy
2009-01-12 8:13 ` Jarek Poplawski
2009-01-12 9:49 ` Jorge Bastos
2009-01-12 11:14 ` Jarek Poplawski
2009-01-12 8:30 ` Denys Fedoryschenko
2009-01-12 18:38 ` Denys Fedoryschenko
2009-01-12 19:58 ` Jesper Dangaard Brouer
2009-01-12 20:01 ` Denys Fedoryschenko
2009-01-13 4:33 ` Patrick McHardy
2009-01-13 7:28 ` Stephen Hemminger [this message]
2009-01-13 7:52 ` Eric Dumazet
2009-01-13 8:43 ` Michal Soltys
2009-01-13 9:53 ` Jarek Poplawski
2009-01-13 10:08 ` Denys Fedoryschenko
2009-01-12 9:48 ` Jorge Bastos
2009-01-14 1:53 ` Denys Fedoryschenko
2009-01-14 19:37 ` Jorge Bastos
2009-01-15 10:38 ` Jarek Poplawski
2009-01-09 9:48 ` Jarek Poplawski
2009-01-09 9:51 ` Jorge Bastos
2009-01-09 10:06 ` Jarek Poplawski
2009-01-09 10:10 ` Jorge Bastos
2009-01-09 7:24 ` Jarek Poplawski
2009-01-09 9:39 ` Jorge Bastos
2009-01-09 10:02 ` Jarek Poplawski
2009-01-09 7:54 ` Jarek Poplawski
2009-01-09 9:42 ` Jorge Bastos
2009-01-09 10:12 ` Jarek Poplawski
2009-01-09 10:15 ` Jorge Bastos
2009-01-09 10:22 ` Jarek Poplawski
2009-01-09 10:26 ` Jorge Bastos
2009-01-09 10:32 ` Jorge Bastos
2009-01-08 10:37 ` mysql.jorge
2009-01-08 10:34 ` [BUG 12364] " mysql.jorge
2009-01-08 9:27 ` Jarek Poplawski
2009-01-08 9:34 ` Denys Fedoryschenko
2009-01-08 10:40 ` Jarek Poplawski
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