[cherry-pick] Refine user experience for profiler #41989
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假设表中就这3个op, 序号1的百分比,就是(1.cpu)/(1.cpu)+(2.cpu)+(3.cpu) 。然后内层的百分比,以上层为1进行计算,比如1.1的百分比,是(1.1.cpu)/ (1.cpu)。