. lib.sh
main() {
+ if [ "$kvers" = 3.0.4-rt14-00008-gb2052fd -a "$load" = eth -a $traffic != oneatatime ]; then echo "Skipping eth test"; SKIPPED=1; return; fi
+ if [ "$kvers" = 3.4.33-rt47-00004-gc58c9ae -a "$load" = eth -a $traffic != oneattime ]; then echo "Skipping eth test"; SKIPPED=1; return; fi;
pid=$(sshgw 'chrt -f 90 candump -s2 -b can1 can0 & echo $!')
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
latester -d can0 -d can1 -d can2 -c $COUNT $(traffic_and_length 8) -n kern8
}
+ADDITIONAL_PLOTS=detail
+
plot_cmds() {
+ if [[ "$1" = detail ]]; then
+ [[ $traffic = eth ]] && return
+ range=0.0:0.5
+ echo "set logscale y"
+ echo "set mxtics 5"
+ else
+ range=0.01:1000
+ echo "set logscale xy"
+ fi
cat <<EOF
+set termoption dashed
+set style line 1 lt 1 lc 1 pt 1
+set style line 2 lt 2 lc 1 pt 1
+set style line 3 lt 1 lc 2 pt 2
+set style line 4 lt 2 lc 2 pt 2
set title "Kernel vs. userspace GW, no modifications"
-set logscale y
-set grid
-set xlabel "Time [{/Symbol m}s]"
-set ylabel "Latency profile [messages]"
-plot [0:] [1:$COUNT] \
- "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", \
- "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"
+set grid xtics mxtics ytics mytics lw 1, lw 0.5
+set xlabel "GW latency [ms]"
+set ylabel "Latency profile [frames]"
+plot [$range] [1:$COUNT] \\
+ "user2-hist.txt" with lp ls 1 title "Userspace GW, 2 byte messages", \\
+ "user8-hist.txt" with lp ls 2 title "Userspace GW, 8 byte messages", \\
+ "kern2-hist.txt" with lp ls 3 title "Kernel GW, 2 byte messages", \\
+ "kern8-hist.txt" with lp ls 4 title "Kernel GW, 8 byte messages"
EOF
}