From: Larry Finger <Larry.Finger@lwfinger.net>
To: Andi Kleen <andi@firstfloor.org>
Cc: Michael Buesch <mb@bu3sch.de>,
linux-wireless@vger.kernel.org,
John Linville <linville@tuxdriver.com>,
Johannes Berg <johannes@sipsolutions.net>
Subject: Re: rate instability in wireless stack
Date: Sun, 04 Jan 2009 23:51:51 -0600 [thread overview]
Message-ID: <49619FF7.2030606@lwfinger.net> (raw)
In-Reply-To: <20090105054830.GJ496@one.firstfloor.org>
Andi Kleen wrote:
> 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.
Strange. Mine looks like this.
rate throughput ewma prob this prob this succ/attempt success attempts
1 0.9 97.7 100.0 1( 1) 2086 2206
2 0.1 7.0 0.0 0( 0) 1 5
5.5 0.0 0.0 0.0 0( 0) 0 1
11 0.0 0.0 0.0 0( 0) 0 4
6 1.4 25.0 100.0 0( 0) 1 2
9 0.0 0.0 0.0 0( 0) 0 6
12 7.6 68.8 0.0 0( 0) 187 192
18 7.0 43.3 0.0 0( 0) 3 5
24 10.6 49.8 100.0 0( 0) 20 40
36 8.5 28.0 50.0 0( 0) 1389 1520
T P 48 15.7 99.9 100.0 1( 1) 3277 3525
t 54 21.7 50.1 0.0 0( 0) 19282 20028
Total packet count:: ideal 3800 lookaround 422
Johannes,
Any explanation as to why there are no attempts?
Larry
next prev parent reply other threads:[~2009-01-05 5:51 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
2009-01-05 5:51 ` Larry Finger [this message]
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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