Hello all, A peer of mine is developing a multi-platform C++ application, and would like to test the CPU usage difference of the application between Windows and Linux. However, running `top` shows him that his single process is using 20% CPU, whereas the total CPU usage is only 0.5%-2%. This is a quad-core machine, so even dividing the 20% by 4 will give 5%, which is still far too high. Windows gives him a satisfactory measurement of this statistic. Can anyone here explain why this happens?
-- Man is the only animal that laughs and weeps, for he is the only animal that is struck with the difference between what things are and what they ought to be. - William Hazlitt Ohad Lutzky
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