[hobbit] Monitoring average CPUspeed on Systems with dynamic CPUspeed

[Josh Luthman]

Hey thanks a bunch for sharing. Very nice script!



On 12/30/07, Andreas Pfaffeneder <apfaffeneder at zuhause-local.de> wrote:
> Hi folks,
>
> to monitor the 5 minute average cpu-speed of your notebook or server
> capable of changing its cpu speed you can use the folling bits:
>
> CLIENT:
> Place cpuspeed.sh in the clients ext-directory:
> cpuspeed.sh (requires bash, awk and loaded cpufreq_stats.ko)
> #!/bin/bash
> COLUMN=cpuspeed # Name of the column
> COLOR=green          # By default, everything is OK
> MSG=""
> STATEFILE="/sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state"
> SPEEDS=`awk '{print $1}' $STATEFILE`
> for SPEED in $SPEEDS; do
>         export TICKS$SPEED=`grep $SPEED $STATEFILE | awk '{print $2}'`
> done
> sleep 300
> for SPEED in $SPEEDS; do
>         export TICKS${SPEED}_2=`grep $SPEED $STATEFILE|awk '{print $2}'`
> done
> for SPEED in $SPEEDS; do
>         DIFF=$[TICKS${SPEED}_2 - TICKS$SPEED]
>         DIFFSUM=$[$DIFFSUM + $DIFF ]
>         if [ $DIFF -gt 0 ]; then
>         CLOCKS=$[$CLOCKS + ($DIFF*$SPEED) ]
>         fi
> done
> RESULT=$[$CLOCKS/$DIFFSUM/1000]
> MSG="Mhz:$RESULT"
> $BB $BBDISP "status $MACHINE.$COLUMN $COLOR `date`
> ${MSG}
> "
> exit 0
> /cpuspeed.sh
>
> Add to clientlaunch.cfg:
> [cpuspeed]
>         ENVFILE $HOBBITCLIENTHOME/etc/hobbitclient.cfg
>         CMD $HOBBITCLIENTHOME/ext/cpuspeed.sh
>         INTERVAL 5m
>
>
> SERVER:
> Add the following lines to hobbitgraph.cfg:
> [cpuspeed]
>         TITLE CPU Speed
>         YAXIS Mhz
>         DEF:speed=cpuspeed.rrd:Mhz:AVERAGE
>         LINE2:speed#000000:AVERAGE
>         GPRINT:speed:LAST: \: %5.1lf (cur)
>         GPRINT:speed:MAX: \: %5.1lf (max)
>         GPRINT:speed:MIN: \: %5.1lf (min)
>         GPRINT:speed:AVERAGE: \: %5.1lf (avg)\n
>
> Modify/Add hobbitserver.cfg:
> TEST2RRD: Add cpuspeed=ncv
> Add line: NCV_cpuspeed="Mhz:GAUGE"
> Optional: Add cpuspeed to line GRAPHS
>
> The cpuspeed.sh could easily be extended to get values per CPU, but I
> have not seen CPUs changing their speeds independently so far.
>
> Andreas
>
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>
>
>


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Josh Luthman
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