On Fri, Nov 13, 2015 at 9:41 AM, Taceant Omnes <[email protected]> wrote: > I am looking at ways to reduce power. I have the on-demand cpufreq > governor. I am looking now at cpuidle. > > The AM335x Linux Power Management User Guide [1] says that there are > two C-states however I can't find cpuidle on the BBB ([2]) running the > [3] kernel.
debian@beaglebone:~$ ls /sys/devices/system/cpu/* /sys/devices/system/cpu/kernel_max /sys/devices/system/cpu/possible /sys/devices/system/cpu/offline /sys/devices/system/cpu/present /sys/devices/system/cpu/online /sys/devices/system/cpu/uevent /sys/devices/system/cpu/cpu0: cpufreq crash_notes_size online subsystem uevent crash_notes of_node power topology /sys/devices/system/cpu/cpufreq: ondemand /sys/devices/system/cpu/power: async runtime_active_kids runtime_status autosuspend_delay_ms runtime_active_time runtime_suspended_time control runtime_enabled runtime_usage debian@beaglebone:~$ uname -r 4.1.12-ti-r29 > > Also I cannot find a Debian package to show cpuidle (the cpupower util > is available on Fedora and Ubuntu but seemingly not in Debian). > > Any suggestions? I wonder if the kernel I am using is not built with cpuidle? sudo apt-get update sudo apt-get install linux-image-4.1.12-ti-r29 sudo reboot Regards, -- Robert Nelson https://rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
