a percentage number which is calculated with respect to either the root of the tree or the calling node.
但没看太懂,这个百分比能代表CPU占用率吗?和hot spot view里的CPU占用是一回事么?
另外 inherent time 这个概念也不太清楚,帮助中解释为 an inherent time measurement in ms or µs. This is the inherent time that does not include calls into unfiltered classes.