set grid
set xlabel "Time [ms]"
set ylabel "Latency profile [messages]"
-plot [0:600] [1:$COUNT] \
+plot [0:1] [1:$COUNT] \
"nop-hist.txt" with lp lt 1 title "No modifications", \
"mod-hist.txt" with lp lt 2 title "Two modifications", \
"mod2-hist.txt" with lp lt 3 title "Four modifications", \