ResourceCalculatorPlugin.getCpuUsage

[Radim Kolar]

float ResourceCalculatorPlugin.getCpuUsage() with javadoc comment
 /**
   * Obtain the CPU usage % of the machine. Return -1 if it is unavailable
   *
   * @return CPU usage in %
   */

is supposed to return 1.0 or 100.0 for fully CPU utilised machine?