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Re: rate instability in wireless stack

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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


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