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Gathers and display CPU usage statistics, timer and interrupt wakeup frequency

powermetrics gathers and display CPU usage statistics (divided into time spent in user mode and supervisor mode), timer and interrupt wakeup frequency (total and, for near-idle workloads, those that resulted in package idle exits), and on supported platforms, interrupt frequencies (categorized by CPU number), package C-state statistics (an indication of the time the core complex + integrated graphics, if any, were in low-power idle states), as well as the average execution frequency for each CPU when not idle.