Dear Bruno,
> that would make more sense. there are changes in noise floor calibration and
> in antenna diversity setup between these two (2010-05-30 and 2010-06-18).
> either one may be the reason...
good
> > The directory /sys/kernel/debug is empty.
> > It looks that I have to recompile kernel. Or do you know any option to
> > pass to kernel to allow this feature?
>
> maybe you need to:
> mount -t debugfs debugfs /sys/kernel/debug
> ?
>
> also you need to compile ath5k with debugging enabled.
I will do this.
> can you tell us which chipset you are using (output of dmesg |grep
> "ath5.*chip")?
root@dvouramenna:~# dmesg |grep "ath5.*chip"
[ 6.632843] ath5k phy0: Atheros AR2413 chip found (MAC: 0x78, PHY: 0x45)
[ 7.101528] ath5k phy1: Atheros AR5213A chip found (MAC: 0x59, PHY: 0x43)
Both chipsets suffer with a same problem.
> also it would be interesting to know how you generate your graphs?
RODGASIGNAL=`iwconfig wlan0 | grep "Signal level" | sed -e 's/.*Signal level=\([0123456789-]*\)[ \/].*/\1/'`
if [[ $RODGASIGNAL == "" ]]; then
RODGASIGNAL="U"
else
if [[ $RODGASIGNAL > "0" ]]; then
RODGASIGNAL=-95
fi
fi
/usr/sbin/rrdupdate /var/rrd/rodgarssi.rrd N:$RODGASIGNAL
When rrd is feed, the chart could be rendered:
LABEL=`/usr/bin/date "+Rodga signal strength %d.%m.%Y"`
/usr/sbin/rrdtool graph /tmp/www/rodga-day.png --start -86400 \
-t "$LABEL" --vertical-label "Signal Strength [dBi]" -w 650 -h 95 \
DEF:rodga=/var/rrd/rodgarssi.rrd:rssi:AVERAGE \
DEF:bullet=/var/rrd/bulletrssi.rrd:rssi:AVERAGE \
LINE1:rodga#FF00FF:"rodga->dvrmn" \
LINE1:bullet#00FF00:"dvrmn->rodga" >/dev/null
regards
Jara
PS: I have replaced MAC address by 0:
/usr/sbin/iw wlan1 station dump | sed -n -e '/Station/p' -e '/signal/p' >/tmp/sta.txt
MARTIN=`grep "00:00:00:00:00:00" -A 1 -i /tmp/sta.txt | grep "signal" | sed -e 's/.*\(-[0123456789]*\) .*/\1/'`
if [[ $MARTIN == "" ]]
then
MARTIN="U"
fi
RACEK=`grep "00:00:00:00:00:00" -A 1 -i /tmp/sta.txt | grep "signal" | sed -e 's/.*\(-[0123456789]*\) .*/\1/'`
if [[ $RACEK == "" ]]
then
RACEK="U"
fi
/usr/sbin/rrdupdate /var/rrd/klienti.rrd N:$MARTIN:$RACEK
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