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Date:      Mon, 17 Apr 2017 08:20:01 -0700
From:      Adrian Chadd <adrian.chadd@gmail.com>
To:        Matthias Apitz <guru@unixarea.de>
Cc:        freebsd-wireless@freebsd.org
Subject:   Re: poor WLAN throughput in only one direction
Message-ID:  <CAJ-Vmo=o18%2BON2jHE2VC2ccNirv6H6mQDBPaZBdEk9RVTvPmYQ@mail.gmail.com>
In-Reply-To: <20170417090805.GA3532@c720-r314251>
References:  <20170416174731.GA5470@c720-r314251> <CAJ-Vmo=CkveSKcYrzd=HaKFA5O9MfqiShMoEctf3vwUWm%2BmgyA@mail.gmail.com> <20170416194740.GB2459@c720-r314251> <CAJ-VmomHrUkoTuNvC3oJ4KBibcp8irniCBP2FpC93dOWX4M-AQ@mail.gmail.com> <20170417090805.GA3532@c720-r314251>

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Sorry I meant wlandebug +rate and check dmesg

On Apr 17, 2017 2:08 AM, "Matthias Apitz" <guru@unixarea.de> wrote:

> El d=C3=ADa domingo, abril 16, 2017 a las 01:11:51p. m. -0700, Adrian Cha=
dd
> escribi=C3=B3:
>
> > hi, sorry, was on my phone
> >
> > * recompile with IEEE80211_DEBUG
>
> Hello,
>
> It seems that the option is already enabled in the CURRENT kernel:
>
> [root@e6330-r314251 /usr/src]# grep IEEE80211_DEBUG
> ./sys/amd64/conf/GENERIC
> options         IEEE80211_DEBUG         # enable debug msgs
>
>
> > * then compile src/tools/tools/net80211, (cd in there, type 'make')
> > and it'll build wlanstats. Then run that. :)
>
> I made the tool and run it parralel to the SCP (from the rtwn0 to the ath=
0)
> which is going dowm from around 2MB/s to some 100KB/s; see below;
>
> >
> > wlanstats +rate will log rate control statistics, which hopefully for
> > rtwn will tell us what's going on.
>
> # /usr/src/tools/tools/net80211/wlanstats/wlanstats -i wlan0 +rate
>    input     mgmt   output rxkid ascan bgscn bmiss   rssi noise    rate
>     7036     7458    13354     0     1     0     0   22.5   -95    6.0M
>        0       10        0     0     0     0     0   23.0   -95    6.0M
>        0        9        0     0     0     0     0   23.0   -95    6.0M
>       11       10       12     0     0     0     0   25.5   -95    9.0M
>       82        8      179     0     0     0     0   25.5   -95    9.0M
>       98        9      199     0     0     0     0   26.5   -95    9.0M
>      122       10      250     0     0     0     0   26.0   -95    9.0M
>       88        8      177     0     0     0     0   26.0   -95    9.0M
>       89        7      178     0     0     0     0   26.5   -95    9.0M
>       95       10      191     0     0     0     0   26.5   -95   11.0M
>       98       10      198     0     0     0     0   26.5   -95   11.0M
>      125        9      250     0     0     0     0   26.0   -95   11.0M
>      123        9      246     0     0     0     0   26.0   -95    6.0M
>       86        9      172     0     0     0     0   26.0   -95    6.0M
>       99        7      198     0     0     0     0   26.0   -95    5.5M
>       54        8      110     0     0     0     0   26.0   -95    2.0M
>       48       10       94     0     0     0     0   25.5   -95    5.5M
>       64        7      131     0     0     0     0   25.5   -95    1.0M
>       21        9       42     0     0     0     0   25.0   -95    1.0M
>       31       10       63     0     0     0     0   24.5   -95    1.0M
>       36        9       69     0     0     0     0   25.0   -95    1.0M
>    input     mgmt   output rxkid ascan bgscn bmiss   rssi noise    rate
>     8430     7645    16159     0     1     0     0   25.0   -95    1.0M
>       32        8       65     0     0     0     0   25.0   -95    1.0M
>       22        9       43     0     0     0     0   25.0   -95    2.0M
>       60       10      121     0     0     0     0   25.0   -95    2.0M
>       37       10       73     0     0     0     0   25.0   -95    2.0M
>       36        8       72     0     0     0     0   25.0   -95    2.0M
>       75        9      151     0     0     0     0   24.5   -95    5.5M
>       69        7      136     0     0     0     0   26.0   -95    5.5M
>       80        9      159     0     0     0     0   25.5   -95    5.5M
>       75        7      151     0     0     0     0   26.0   -95    5.5M
>       65        8      128     0     0     0     0   25.0   -95    2.0M
>       52        9      107     0     0     0     0   25.5   -95    5.5M
>       61        8      121     0     0     0     0   26.0   -95    2.0M
>       44        7       88     0     0     0     0   26.0   -95    2.0M
>       54        8      107     0     0     0     0   26.0   -95    2.0M
>       40       10       80     0     0     0     0   25.5   -95    2.0M
>       50        9      100     0     0     0     0   25.5   -95    2.0M
>       52        9      103     0     0     0     0   25.5   -95    2.0M
>       69        9      120     0     0     0     0   26.0   -95    2.0M
>       24        9       24     0     0     0     0   25.0   -95    2.0M
>        0       10        0     0     0     0     0   24.0   -95    2.0M
>
> Anything else?
>
>         matthias
>
>
> --
> Matthias Apitz, =E2=9C=89 guru@unixarea.de, =E2=8C=82 http://www.unixarea=
.de/  =E2=98=8E
> +49-176-38902045
>



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