Bugfix, plot ack_rtt

plot_transmission_timeline.py

     # additional y axes
     par11 = host.twinx()
     par12 = host.twinx()
-    # par13 = host.twinx()
+    par13 = host.twinx()
 
     # axes offset
     par12.axis["right"] = par12.new_fixed_axis(loc="right", offset=(60, 0))
-    # par13.axis["right"] = par13.new_fixed_axis(loc="right", offset=(120, 0))
+    par13.axis["right"] = par13.new_fixed_axis(loc="right", offset=(120, 0))
 
     par11.axis["right"].toggle(all=True)
     par12.axis["right"].toggle(all=True)
-    # par13.axis["right"].toggle(all=True)
+    par13.axis["right"].toggle(all=True)
 
-    host.plot(transmission_df["goodput"], "-", color="blue", label="goodput")
-    host.set_xlabel("datetime")
-    host.set_ylabel("goodput [Mbps]")
+    #host.plot(transmission_df["goodput"], "-", color="blue", label="goodput")
+    #host.set_xlabel("datetime")
+    #host.set_ylabel("goodput [Mbps]")
 
     par11.plot(transmission_df["downlink_cqi"], "--", color="green", label="CQI")
     par11.set_ylabel("CQI")
 
     par12.plot(transmission_df["ack_rtt"], "-.", color="red", label="ACK RTT")
     par12.set_ylabel("ACK RTT [s]")
-    par12.set_ylim([0, 5])
+    par12.set_ylim([0, 1])
+
+    par13.plot(transmission_df["goodput"], "-", color="blue", label="goodput")
+    par13.set_xlabel("datetime")
+    par13.set_ylabel("goodput [Mbps]")
 
     if args.save:
         plt.savefig("{}timeline_plot.pdf".format(args.save))