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: $2";;
+ esac;
+ shift 2;;
esac
done
sshgw() {
local socket="$HOME/.ssh/cangw-connection"
+ if [[ "$NO_GW_NEEDED" ]]; then return; fi
+
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
+ ssh -N -f -M -S $socket root@192.168.2.3 >/dev/null 2>&1
fi
ssh -x -a -S $socket root@192.168.2.3 "$@"
}
_plot() {
local testname=`basename $0 .sh`
-
- plot_cmds | sed -e "/set title/ s/[\"']\(.*\)[\"']/\"\1\\\\n($kvers)\"/" > plot.gp
- if [[ ! -s plot.gp ]]; then return; fi
- if [ -z "$OPT_NO_X11" ]; then
- echo "set terminal x11 enhanced; $(< plot.gp)" | gnuplot -persist
- fi
- I=''
- echo 'set terminal postscript color eps enhanced size 6cm,4cm lw 1 "Times-Roman" 10;' \
- 'set lmargin 8;' \
- "$(< plot.gp)" | gnuplot > ${testname}$I.eps
- echo "set terminal postscript color eps enhanced;" \
- "$(< 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
-
+ rm -rf *.pdf *.png
+ for i in "" $ADDITIONAL_PLOTS; do
+ plot_cmds $i | sed -e "/set title/ s/[\"']\(.*\)[\"']/\"\1\\\\n{\/*0.75 (GW kernel $kvers, Traffic $traffic, Load $load)}\"/" > plot.gp
+ if [[ ! -s plot.gp ]]; then continue; fi
+ if [ -z "$OPT_NO_X11" ]; then
+ echo "set terminal x11 enhanced; $(< plot.gp)" | gnuplot -persist
+ fi
+ echo "set terminal pdfcairo solid color enhanced; " \
+ "set output \"graph$i.pdf\";" \
+ "set pointsize 0.5;" \
+ "$(< plot.gp)" | gnuplot
+ echo 'set terminal pngcairo color enhanced size 750,525 font ",10" ;' \
+ "$(< plot.gp)" | gnuplot > graph$i.png
+ mkdir -p thumb
+ convert -resize 150x105 -gamma 0.5 -quality 90 -type Palette -depth 8 graph$i.png tgraph$i.png
+# echo 'set terminal pngcairo color enhanced size 150,105 font ",1";' \
+# "$(< plot.gp)" | gnuplot > thumb/${testname}$i.png
+ done
}
echo_plot() {
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: $load"
+ esac
+}
+
+_measure() {
+ # Remove data from the last measurement
+ rm -rf *
+ # Kill load generators left possibly from the past runs
+ killall -q ping || :
+ killall -q latester || :
+ if [[ ! "$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 [[ $OPT_TRAFFIC = all ]]
then traffics="flood 50 oneatatime"
- else traffics=$OPT_TRAFFIC
+ else traffics=${traffic:-$OPT_TRAFFIC}
+ fi
+ if [[ $OPT_LOAD = all ]]
+ then loads="none cpu eth" # TODO: can
+ else loads=${load:-$OPT_LOAD}
fi
- hostkvers=host-$(uname -r)
- kvers=$(sshgw uname -r)
+ hostkvers=${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
- echo "Working directory: $dir"
if [[ ! "$OPT_PLOT_ONLY" ]]; then
- # Remove data from the last measurement
- rm -rf *
- touch .results
- cat > plot.sh <<-EOF
- #!/bin/bash
- exec $script --plot
- EOF
- # Set can interfaces up
- sshgw 'for i in 0 1; do ip link show dev can$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
-
+ echo "Working directory: $dir"
+ _measure
fi
if [[ ! "$OPT_PLOT_DISABLE" ]]; then
- ./plot.sh
+ _plot
fi
- cd -
+ cd - > /dev/null
+ done
done
}