+kill_load() {
+ case $load in
+ none) ;;
+ cpu) kill $loadpid; sshgw "killall -q hackbench || :";;
+ eth) kill $loadpid;;
+ can) kill $loadpid;;
+ *) error "Unknown load specification: $load"
+ esac
+}
+
+_measure() {
+ # Remove data from the last measurement
+ rm -rf *
+ # Kill load generators left possibly from the past runs
+ killall -q ping || :
+ killall -q latester || :
+ if [[ ! "$NO_GW_NEEDED" ]]; then
+ 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 'for dev in $(ip l|grep -o vcan[^:]\\+); do ip link del dev $dev; done'
+ # Reset priorities
+ sshgw 'if pid=`pidof irq/145-can0`; then chrt -p -f 50 $pid > /dev/null; fi'
+ sshgw 'if pid=`pidof irq/146-can1`; then chrt -p -f 50 $pid > /dev/null; fi'
+ sshgw 'if pid=`pidof sirq-net-rx/0`; then chrt -p -f 49 $pid > /dev/null; fi'
+ sshgw 'if pid=`pidof sirq-net-tx/0`; then chrt -p -f 49 $pid > /dev/null; fi'
+ # Set the length of qdisc queue to avoid ENOBUFS errors
+ ifconfig can0 txqueuelen 200
+ ifconfig can1 txqueuelen 200
+ cleanupgw
+
+ type prepare >/dev/null 2>&1 && prepare || :
+ start_load
+ fi
+
+ main
+
+ if [[ ! "$NO_GW_NEEDED" ]]; then
+ kill_load
+ fi
+
+ # Create a plot script at the end to signalize that the
+ # measurement was successfully finished
+ cat > plot.sh <<-EOF
+ #!/bin/bash
+ 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
+}
+
+
+_run() {
+ if [[ $OPT_TRAFFIC = all ]]
+ then traffics="flood 50 oneatatime"
+ else traffics=${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:-$(sshgw -f uname -r)}
+ test=$(basename $0 .sh)
+ for load in $loads; do
+ for traffic in $traffics; do
+ dir="results/$hostkvers/$kvers/$traffic/$load/$test"
+ mkdir -p $dir
+ script=$(echo $dir | sed -e 's/[^/]*/../g')/${test}.sh
+ cd $dir
+ if [[ ! "$OPT_PLOT_ONLY" ]]; then
+ echo "Working directory: $dir"
+ _measure
+ fi
+ if [[ ! "$OPT_PLOT_DISABLE" ]]; then
+ _plot
+ fi
+ cd - > /dev/null
+ done
+ done