this post was submitted on 16 Feb 2024
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I find this a highly interesting problem. How do you measure how much CPU time a program needs? The OS has ceded its control of the CPU to the program. Does it just look at the clock after it’s in charge again to derive a program’s load?
While we’re at it: How does the OS even yank the CPU away from the currently running process?
cpu.land
An awesome find. Thank you very much!