Display with gnuplot
$ gnuplot
[...]
gnuplot> set grid
gnuplot> set title "{/:Bold Occurrences of the latencies for cyclic high resolution timer of 20 ms}" textcolor "red"
gnuplot> set xlabel "Latency ({/Symbol m}s)" textcolor "red" font "Bold"
gnuplot> set ylabel 'Occurrence' textcolor "red"
gnuplot> set logscale
gnuplot> plot 'timer_thread00.txt' u 1:2 with lines t '{/:Bold timerThread#0}',\
'timer_thread01.txt' u 1:2 with lines t '{/:Bold timerThread#1}'