mart/ex10/plots.m

   1 d = csvread("ex10ab.csv")(:,2) ./ 1000;
   2 dmax = max(d);
   3 dmin = min(d);
   4 davg = mean(d);
   5 ddev = std(d);
   6 figure;
   7 plot(d, '@k');
   8 title("Measurements on jitter");
   9 xlabel("Number of the measurement");
  10 ylabel("Time till next measurement in microseconds");
  11 stepsize = (dmax+dmin)/25;
  12 text(100, dmax-stepsize, sprintf("Min: %d", dmin));
  13 text(100, dmax-stepsize*2, sprintf("Mean: %.2f", davg));
  14 text(100, dmax-stepsize*3, sprintf("Std: %.2f", ddev));
  15 text(100, dmax-stepsize*4, sprintf("Max: %d", dmax));
  16 print -dpng "-S1200,1200" ex10ab.png
  17
  18 d = csvread("ex10d.csv")(:,2);
  19 dmax = max(d);
  20 dmin = min(d);
  21 davg = mean(d);
  22 ddev = std(d);
  23 figure;
  24 plot(d, '@k');
  25 title("Measurements on interrupt latency via LPT1");
  26 xlabel("Number of the measurement");
  27 ylabel("Time till next measurement in nanoseconds");
  28 stepsize = (dmax+dmin)/25;
  29 text(100, dmax-stepsize, sprintf("Min: %d", dmin));
  30 text(100, dmax-stepsize*2, sprintf("Mean: %.2f", davg));
  31 text(100, dmax-stepsize*3, sprintf("Std: %.2f", ddev));
  32 text(100, dmax-stepsize*4, sprintf("Max: %d", dmax));
  33 print -dpng "-S1200,1200" ex10ab.png