- "user2-hist.txt" with lp lc 1 lt 1 title "Userspace GW, 2 byte messages", \\
- "user8-hist.txt" with lp lc 1 lt 2 title "Userspace GW, 8 byte messages", \\
- "kern2-hist.txt" with lp lc 2 lt 1 title "Kernel GW, 2 byte messages", \\
- "kern8-hist.txt" with lp lc 2 lt 2 title "Kernel GW, 8 byte messages"
+ "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"