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by CodesInChaos
29 days ago
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It's well known that many throttling implementations are broken, usually by design. You shouldn't blame the CPU utilization metric for that footgun. In a well designed scheduler, a task that has been granted an allotment of at least n cores, should never get throttled to less than n cores at any time. It can be limited to less than n cores if CPU utilization is at 100% and another task gets scheduled at the time, since that's unavoidable when you oversubscribe the available resources. |
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