-PLOT_CMD='
+p() { cat <<EOF
set title "Round-trip time with send ethernet load"
set logscale y
set grid
set ylabel "Latency profile [messages]"
plot [0:] "socketcan-1000.dat" with lp title "Socketcan",\
"lincan-1000.dat" with lp title "Lincan"
-'
-
+EOF
+}