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I am new to Glance. And I have a quesiton, what is the difference between the toal cpu usage and cpu usage in processes list?

For example：

enter image description here

CPU usage of PID 9303 is 100%, but in top left corner, the total cpu usage shows only 3.9%，why?

And would it cause any problem to server if the cpu usage of any process is almost 100% ?

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  • it is normal for xvnc to reach 100% cpu usage. For your question, I do not know the exact answer, but I believe it shows 100% for a single core.
    – Bhavya Gupta
    Commented Apr 24, 2020 at 6:54

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The 100% CPU usage is for a single core. You have 32 cores in total. If you add up CPU% of all the processes and divide it by 32 cores, you get a total CPU usage of approx 4% which is exactly what is shown in the top.

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