介紹

 * The default CPU scheduler in the mainline Linux kernel is CFS.

sched_debug

Checking

cat /proc/sched_debug

# If your system is using the CFS scheduler the output should contain something like:

cpu#CORE_NUMBER, N MHz
  ...

cfs_rq[CORE_NUMBER]: ...
  ...

CPU 過熱

intel_powerclamp

dmesg

[ 6362.053447] intel_powerclamp: Stop forced idle injection
[ 6376.067930] intel_powerclamp: Start idle injection to reduce power