/mysql_watcher/io_plot

 1set terminal png size 1024,1024
 2set output "output.png"
 3set multiplot
 4set grid x y
 5set size 1,0.33
 6set key default
 7set xlabel "Date"
 8set ylabel "% IO"
 9set y2label "ops/sec"
10set timefmt "%H:%M:%S"
11set xdata time
12set format x "%H:%M"
13set tics out
14set autoscale y
15set autoscale y2
16set origin 0.0, 0.66
17plot 'io.txt' using 1:2 title "IO %" with lines axes x1y1, \
18	'io.txt' using 1:3 title "r/s" with lines axes x1y2, \
19	'io.txt' using 1:4 title "w/s" with lines axes x1y2
20set origin 0.0, 0.33
21plot 'io.txt' using 1:2 title "IO %" with lines axes x1y1
22set origin 0.0, 0.0
23set ylabel "ops/sec"
24plot 'io.txt' using 1:3 title "r/s" with lines axes x1y1, \
25	'io.txt' using 1:4 title "w/s" with lines axes x1y1
26unset multiplot
27#plot 'io.txt' using 1:3 title "r/sec" with lines
28#plot 'io.txt' using 1:4 title "w/sec" with lines