*) error "Unknown load specification: $2";;
esac;
shift 2;;
+ -u) OPT_UPDATE=1; shift;;
esac
done
sshgw() {
local socket="$HOME/.ssh/cangw-connection"
- if [[ "$NO_GW_NEEDED" ]]; then return; fi
+ if [[ "$1" = "-f" ]]; then
+ shift
+ else
+ if [[ "$NO_GW_NEEDED" ]]; then return; fi
+ fi
if [[ ! -S $socket ]] || ! ssh -x -a -S $socket root@192.168.2.3 true; then
# Create master connection to speed up subsequenct command.
}
start_load() {
+ unset LATESTER_CONTROL_HACKBENCH
case $load in
none) ;;
- cpu) sshgw 'hackbench -g 3 -l 100000' & loadpid=$!;;
+ cpu) export LATESTER_CONTROL_HACKBENCH=$(sshgw 'nohup setpgid hackbench -g 3 -l 100000 >/dev/null & echo $!');;
eth) ping -f -s 60000 -q 192.168.2.3 & loadpid=$!;; # TODO: Generate eth load from another computer
can) latester -q -d can1 -i 0x7ff & loadpid=$!;;
*) error "Unknown load specification: $load"
kill_load() {
case $load in
none) ;;
- cpu) kill $loadpid; sshgw "killall -q hackbench || :";;
+ cpu) sshgw "kill -9 -$LATESTER_CONTROL_HACKBENCH; killall -q -9 hackbench || :";;
eth) kill $loadpid;;
can) kill $loadpid;;
*) error "Unknown load specification: $load"
}
_measure() {
+ if [[ "$OPT_UPDATE" && -f plot.sh && ( plot.sh -nt $test.sh ) ]]; then echo "skiping: up-to-date"; return; fi
# Remove data from the last measurement
rm -rf *
# Kill load generators left possibly from the past runs
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 $pid > /dev/null; fi'
# Set the length of qdisc queue to avoid ENOBUFS errors
+ sshgw 'ifconfig can0 txqueuelen 1000; ifconfig can1 txqueuelen 1000'
ifconfig can0 txqueuelen 200
ifconfig can1 txqueuelen 200
cleanupgw
kill_load
fi
- # Create a plot script at the end to signalize that the
- # measurement was successfully finished
- cat > plot.sh <<-EOF
+ if [ ! "$SKIPPED" ]; then
+ # 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
cd \$(dirname \$0)/$(dirname $script)
exec ./$(basename $script) --plot "\$@"
EOF
- chmod +x plot.sh
+ chmod +x plot.sh
+ fi
}
else loads=${load:-$OPT_LOAD}
fi
hostkvers=${hostkvers:-host-$(uname -r)}
- kvers=${kvers:-$(sshgw uname -r)}
+ kvers=${kvers:-$(sshgw -f uname -r)}
test=$(basename $0 .sh)
for load in $loads; do
for traffic in $traffics; do