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From: Andi Kleen <andi@firstfloor.org>
To: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Andi Kleen <andi@firstfloor.org>, Michael Buesch <mb@bu3sch.de>,
	linux-wireless@vger.kernel.org,
	John Linville <linville@tuxdriver.com>
Subject: Re: rate instability in wireless stack
Date: Mon, 5 Jan 2009 06:48:30 +0100	[thread overview]
Message-ID: <20090105054830.GJ496@one.firstfloor.org> (raw)
In-Reply-To: <496193A6.3040608@lwfinger.net>

On Sun, Jan 04, 2009 at 10:59:18PM -0600, Larry Finger wrote:
> Andi Kleen wrote:
> > On Sun, Jan 04, 2009 at 09:55:03PM -0600, Larry Finger wrote:
> > 
> > Minstrel stays constantly at 1 Mbit/s
> 
> Do you have mac80211 debugging turned on? If so, then do a
> 
> sudo cat /sys/kernel/debug/ieee80211/phyXX/stations/<MAC ADDR>/rc_stats
> 
> and post them.

Lots of zeroes.

-Andi

rate     throughput  ewma prob   this prob  this succ/attempt   success    attempts
TtP  1         0.0        0.0        0.0          1(  0)          0           0
     2         0.0        0.0        0.0          0(  0)          0           0
     5.5       0.0        0.0        0.0          0(  0)          0           0
    11         0.0        0.0        0.0          0(  0)          0           0
     6         0.0        0.0        0.0          0(  0)          0           0
     9         0.0        0.0        0.0          0(  0)          0           0
    12         0.0        0.0        0.0          0(  0)          0           0
    18         0.0        0.0        0.0          0(  0)          0           0
    24         0.0        0.0        0.0          0(  0)          0           0
    36         0.0        0.0        0.0          0(  0)          0           0
    48         0.0        0.0        0.0          0(  0)          0           0
    54         0.0        0.0        0.0          0(  0)          0           2

Total packet count::    ideal 46      lookaround 2


-- 
ak@linux.intel.com

  reply	other threads:[~2009-01-05  5:34 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-04 16:46 rate instability in wireless stack Andi Kleen
2009-01-04 16:36 ` Michael Buesch
2009-01-04 17:41   ` Andi Kleen
2009-01-05  0:29     ` Larry Finger
2009-01-05  2:53       ` Andi Kleen
2009-01-05  3:55         ` Larry Finger
2009-01-05  5:02           ` Andi Kleen
2009-01-05  4:59             ` Larry Finger
2009-01-05  5:48               ` Andi Kleen [this message]
2009-01-05  5:51                 ` Larry Finger
2009-01-05  8:17                   ` Johannes Berg
2009-01-05 12:54                     ` Andi Kleen
2009-01-05 13:32                 ` Felix Fietkau
2009-01-05 14:23                   ` Andi Kleen
2009-01-05 14:41                     ` Felix Fietkau
2009-01-05 15:24                       ` Andi Kleen
2009-01-05 15:25                         ` Felix Fietkau
2009-01-05 16:35                           ` Andi Kleen
2009-01-05 16:36                             ` Felix Fietkau
2009-01-05 17:11                               ` Andi Kleen
2009-01-05 17:01                                 ` Felix Fietkau
2009-01-05 19:33                                   ` Hin-Tak Leung
2009-01-05 20:16                                     ` Larry Finger
2009-01-05  4:22         ` Larry Finger
  -- strict thread matches above, loose matches on Subject: below --
2009-01-07  6:46 Martín Ernesto Barreyro

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