Is CONFIG_NOHZ enabled in the kernel? It should allow the CPU to remain in a low-power state if there is nothing of interest happening by disabling all periodic

Is CONFIG_NOHZ enabled in the kernel? It should allow the CPU to remain in a low-power state if there is nothing of interest happening by disabling all periodic wakeups that can be disabled. https://www.kernel.org/doc/Documentation/timers/NO_HZ.txt https://www.kernel.org/doc/Documentation/timers/NO_HZ.txt