COUNT=10000
OPT_TRAFFIC=oneatatime
+OPT_LOAD=none
error() {
echo $1 >&2
*) error "Unknown traffic specification: $2";;
esac;
shift 2;;
+ -l) case "$2" in
+ all|none|cpu|eth|can) OPT_LOAD=$2;;
+ *) error "Unknown load specification: $2";;
+ esac;
+ shift 2;;
esac
done
flood) opts='';;
50) opts="-p $((2*(44+$1*8)))";;
oneatatime) opts="-o";;
- *) error "Unknown traffic specification"
+ *) error "Unknown traffic specification: $traffic"
esac
echo $opts -l $1
}
start_load() {
+ case $load in
+ none) ;;
+ cpu) sshgw 'hackbench -g 3 -l 10000' & loadpid=$!;;
+ eth) ping -f -s 60000 -q 192.168.2.3 & loadpid=$!;; # TODO: Generate eth load from another computer
+ can) latester -q -d can1 -i 0x7ff & loadpid=$!;;
+ *) error "Unknown load specification: $load"
+ esac
}
kill_load() {
+ case $load in
+ none) ;;
+ cpu) kill $loadpid; sshgw "killall -q hackbench || :";;
+ eth) kill $loadpid;;
+ can) kill $loadpid;;
+ *) error "Unknown load specification: $load"
+ esac
}
_measure() {
export kvers=$kvers
export hostkvers=$hostkvers
export traffic=$traffic
+ export load=$load
cd \$(dirname \$0)/$(dirname $script)
exec ./$(basename $script) --plot "\$@"
EOF
chmod +x plot.sh
+ # Kill load generators left possibly from the past runs
+ killall -q ping || :
+ killall -q latester || :
+ sshgw 'killall -q hackbench || :'
# Set can interfaces up
sshgw 'for i in 0 1; do ip link show dev can$i|grep -q UP || ip link set can$i up type can bitrate 1000000; done'
# Delete all vcan interfaces
sshgw 'if pid=`pidof sirq-net-tx/0`; then chrt -p -f 49 $pid > /dev/null; fi'
# Set the length of qdisc queue to avoid ENOBUFS errors
ifconfig can0 txqueuelen 200
+ ifconfig can1 txqueuelen 200
cleanupgw
- prepare
+ type prepare >/dev/null 2>&1 && prepare || :
start_load
main
kill_load
then traffics="flood 50 oneatatime"
else traffics=${traffic:-$OPT_TRAFFIC}
fi
+ if [[ $OPT_LOAD = all ]]
+ then loads="none cpu eth" # TODO: can
+ else loads=${load:-$OPT_LOAD}
+ fi
hostkvers=${hostkvers:-host-$(uname -r)}
kvers=${kvers:-$(sshgw uname -r)}
test=$(basename $0 .sh)
+ for load in $loads; do
for traffic in $traffics; do
- dir="results/$hostkvers/$kvers/$traffic/$test"
+ dir="results/$hostkvers/$kvers/$traffic/$load/$test"
mkdir -p $dir
script=$(echo $dir | sed -e 's/[^/]*/../g')/${test}.sh
cd $dir
fi
cd - > /dev/null
done
+ done
}
test_end() {