set -e
+COUNT=10000
+
+OPT_TRAFFIC=oneatatime
+
+error() {
+ echo $1 >&2
+ exit 1
+}
+
while [ $# -gt 0 ]; do
case "$1" in
- -P) OPT_PLOT_DISABLE=1; shift;;
- -p) OPT_PLOT_ONLY=1; shift;;
+ -P|--no-plot) OPT_PLOT_DISABLE=1; shift;;
+ -p|--plot) OPT_PLOT_ONLY=1; shift;;
-X|--no-x11-plot) OPT_NO_X11=1; shift;;
+ -t) case "$2" in
+ all|flood|50|oneatatime) OPT_TRAFFIC=$2;;
+ *) error "Unknown traffic specification: $2";;
+ esac;
+ shift 2;;
esac
done
PATH=$PWD/../_compiled/bin/:$PATH
-COUNT=10000
-
-error() {
- echo $1 >&2
- exit 1
-}
-
sshgw() {
local socket="$HOME/.ssh/cangw-connection"
- if [[ ! -S $socket ]]; then
- # Create master connection to speed up subsequenct command.
- # The ssh is put into background and the connection is closed
- # after 10 minutes)
+ if [[ ! -S $socket ]] || ! ssh -x -a -S $socket root@192.168.2.3 true; then
+ # Create master connection to speed up subsequenct command.
+ # The ssh is put into background and the connection is closed
+ # after 10 minutes)
ssh -f -M -S $socket root@192.168.2.3 sleep 600 > /dev/null 2>&1
fi
ssh -x -a -S $socket root@192.168.2.3 "$@"
}
-_cleanupgw() {
- # 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 GW rules
- sshgw 'eval $(cangw -L|sed -e s/-A/-D/ -e "s/#.*/;/")'
+cleanupgw() {
+ sshgw 'cangw -F'
}
_plot() {
local testname=`basename $0 .sh`
- cmd=$(plot_cmds) # Get plot commands
- cmd=$(echo "$cmd" | sed -e "/set title/ s/[\"']\(.*\)[\"']/\"\1\\\\n($kvers)\"/")
+ plot_cmds | sed -e "/set title/ s/[\"']\(.*\)[\"']/\"\1\\\\n(GW kernel $kvers, traffic $traffic)\"/" > plot.gp
+ if [[ ! -s plot.gp ]]; then return; fi
if [ -z "$OPT_NO_X11" ]; then
- echo "set terminal x11 enhanced; ${cmd}" | gnuplot -persist
+ echo "set terminal x11 enhanced; $(< plot.gp)" | gnuplot -persist
fi
I=''
echo 'set terminal postscript color eps enhanced size 6cm,4cm lw 1 "Times-Roman" 10;' \
'set lmargin 8;' \
- "${cmd}" | gnuplot > ${testname}$I.eps
+ "$(< plot.gp)" | gnuplot > ${testname}$I.eps
echo "set terminal postscript color eps enhanced;" \
- "${cmd}" | gnuplot | epstopdf --filter > ${testname}$I.pdf
+ "$(< plot.gp)" | gnuplot | epstopdf --filter > ${testname}$I.pdf
mkdir -p thumb
convert -density 30 -gamma 0.5 -quality 90 -type Palette -depth 8 ${testname}$I.pdf thumb/${testname}$I.png
convert -density 150 -gamma 0.7 -quality 90 -type Palette -depth 8 ${testname}$I.pdf ${testname}$I.png
}
-create_dirs_and_links() {
- local test=$1
- local kver=$2
+echo_plot() {
+ plot=$1
+ [[ "$_plot_separator" ]] && echo ", \\"
+ _plot_separator=t
+ echo -n " " $plot
+}
- local d=results/by-kern/$kver/$test
- mkdir -p $d
- mkdir -p results/by-test/$test
- ln -sfT ../../${d#results/} results/by-test/$test/$kver
- echo $d
+traffic_and_length() {
+ local opts
+ case $traffic in
+ flood) opts='';;
+ 50) opts="-p $((2*(44+$1*8)))";;
+ oneatatime) opts="-o";;
+ *) error "Unknown traffic specification"
+ esac
+ echo $opts -l $1
}
-_run() {
- _cleanupgw
- kvers=$(sshgw uname -r)
- dir=$(create_dirs_and_links $(basename $0 .sh) $kvers)
- cd $dir
+_measure() {
+ # Remove data from the last measurement
+ rm -rf *
+ touch .results
+ cat > plot.sh <<-EOF
+ #!/bin/bash
+ export kvers=$kvers
+ export hostkvers=$hostkvers
+ export traffic=$traffic
+ cd \$(dirname \$0)/$(dirname $script)
+ exec ./$(basename $script) --plot "\$@"
+ EOF
+ chmod +x plot.sh
+ # Set can interfaces up
+ sshgw 'for i in 0 1; do ip link show dev can$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
+ cleanupgw
+
main
- _plot
+}
+
+
+_run() {
+ if [[ $OPT_TRAFFIC = all ]]
+ then traffics="flood 50 oneatatime"
+ else traffics=${traffic:-$OPT_TRAFFIC}
+ fi
+ hostkvers=${hostkvers:-host-$(uname -r)}
+ kvers=${kvers:-$(sshgw uname -r)}
+ test=$(basename $0 .sh)
+ for traffic in $traffics; do
+ dir="results/$hostkvers/$kvers/$traffic/$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
}
test_end() {
test_end_called=t
- trap '' DEBUG
+ exit_ok=
_run
+ exit_ok=t
}
-exit() {
+_myexit() {
+ code=$?
+ cmd=$BASH_COMMAND
if [[ ! "$test_end_called" ]]; then
test_end_called=t
error "bug in the test script: No test_end called"
fi
+ if ! test -n "$exit_ok"; then
+ error "FATAL: Command '$cmd' exit with code $code"
+ fi
}
-trap 'exit' EXIT
+trap '_myexit' EXIT
projects / can-benchmark.git / blobdiff