Why does this Animation.update() take about 1 second?

This problem bothers me for a long time. Why this Animation.update() happening after CesiumWidget.render() takes about one second which causes a stuck on my page. Thank you for your time!

Sorry to bother you. I want to know how your monitor window is obtained. I also want to know the execution time of each function.

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by click this botton in red circle~

Everybody~ I soved this problem, it was caused by the echarts canvas repaint, because I have import some points with animation. the points’ repaint will use the ZRender._flush() function again and again.