/usr/bin/powermetrics 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.