test_system.py 文件源码

def test_cpu_times_comparison(self):
        # Make sure the sum of all per cpu times is almost equal to
        # base "one cpu" times.
        base = psutil.cpu_times()
        per_cpu = psutil.cpu_times(percpu=True)
        summed_values = base._make([sum(num) for num in zip(*per_cpu)])
        for field in base._fields:
            self.assertAlmostEqual(
                getattr(base, field), getattr(summed_values, field), delta=1)