main() {
pid=$(sshgw 'chrt -f 90 candump -s2 -b can1 can0 & echo $!')
- latester -d can0 -d can1 -d can2 -o -c $COUNT -l 2 -h uhist2.dat -f utime2.dat
- latester -d can0 -d can1 -d can2 -o -c $COUNT -l 8 -h uhist8.dat -f utime8.dat
+ latester -d can0 -d can1 -d can2 -c $COUNT $(traffic_and_length 2) -n user2
+ latester -d can0 -d can1 -d can2 -c $COUNT $(traffic_and_length 8) -n user8
sshgw kill $pid
sshgw cangw -A -s can0 -d can1
- latester -d can0 -d can1 -d can2 -o -c $COUNT -l 2 -h khist2.dat -f ktime2.dat
- latester -d can0 -d can1 -d can2 -o -c $COUNT -l 8 -h khist8.dat -f ktime8.dat
+ latester -d can0 -d can1 -d can2 -c $COUNT $(traffic_and_length 2) -n kern2
+ latester -d can0 -d can1 -d can2 -c $COUNT $(traffic_and_length 8) -n kern8
}
+ADDITIONAL_PLOTS=detail
+
plot_cmds() {
+ if [[ "$1" = detail ]]; then
+ [[ $traffic = eth ]] && return
+ range=0.05:0.5
+ echo "set logscale y"
+ echo "set mxtics 5"
+ else
+ range=0.05:1000
+ echo "set logscale xy"
+ fi
cat <<EOF
-set title "Kernel vs. userspace GW, no modifications, no filters"
-set logscale y
-set grid
-set xlabel "Time [{/Symbol m}s]"
+set title "Kernel vs. userspace GW, no modifications"
+set grid xtics mxtics ytics mytics lw 1, lw 0.5
+set xlabel "Time [ms]"
set ylabel "Latency profile [messages]"
-plot [0:] [1:$COUNT] \
- "khist2.dat" with lp lt 1 title "Kernel GW, 2 byte messages", \
- "khist8.dat" with lp lt 2 title "Kernel GW, 8 byte messages", \
- "uhist2.dat" with lp lt 1 title "Userspace GW, 2 byte messages", \
- "uhist8.dat" with lp lt 2 title "Userspace GW, 8 byte messages"
+plot [$range] [1:$COUNT] \
+ "user2-hist.txt" with lp lt 1 title "Userspace GW, 2 byte messages", \
+ "user8-hist.txt" with lp lt 2 title "Userspace GW, 8 byte messages", \
+ "kern2-hist.txt" with lp lt 1 title "Kernel GW, 2 byte messages", \
+ "kern8-hist.txt" with lp lt 2 title "Kernel GW, 8 byte messages"
EOF
}