set terminal postscript eps
set output "bbs.eps"

set xrange [1:8]
set xlabel "number of cpus"
set ylabel "req/s"

plot "read.dat" using 1:2 with linespoints linewidth 1 linecolor rgbcolor "red" title "read", "write.dat" using 1:2 with linespoints linewidth 1 linecolor rgbcolor "blue" title "write"