Add accumulated CPU usage statistics.

applet.js

@@ -57,6 +57,7 @@ MyApplet.prototype = {
  ttip += "Diff: " + this.cinnamonMem.getDiffMb().toFixed(2) + "m\n";
  let time = secondsToTime(elapsed * 60);
  ttip += "Elapsed: " + time.h + ":" + time.m + ":" + time.s + "\n";
+ ttip += "Acc. CPU usage: " + (this.cinnamonMem.getAccumulatedCpuUsage()*100).toPrecision(3) + "%\n";
  ttip += "-------\n";
  ttip += "click to reset";
 
@@ -120,7 +121,13 @@ CinnamonMemMonitor.prototype = {
  getCpuUsage: function() {
  let delta = this.procTime.rtime - this.lastRtime;
  let tickDelta = this.gtop.total - this.lastTick;
- return delta/(tickDelta || 1);
+ return tickDelta ? delta/tickDelta : 0;
+ },
+
+ getAccumulatedCpuUsage: function() {
+ let delta = this.procTime.rtime - this.startRtime;
+ let tickDelta = this.gtop.total - this.startTicks;
+ return tickDelta ? delta/tickDelta : 0;
  },
 
  getCurMb: function() {
@@ -142,6 +149,8 @@ CinnamonMemMonitor.prototype = {
  resetStats: function() {
  this.update();
  this.startMem = this.procMem.resident;
+ this.startRtime = this.procTime.rtime;
+ this.startTicks = this.gtop.total;
  }
 };