1version = 6 2CPU 3 is empty 3CPU 4 is empty 4cpus=6 5 ls-4734 [002] 106439.675591: sched_switch: trace-cmd:4734 [120] R ==> migration/2:18 [0] 6 migration/2-18 [002] 106439.675613: sched_switch: migration/2:18 [0] S ==> trace-cmd:4732 [120] 7 trace-cmd-4731 [001] 106439.675698: sched_switch: trace-cmd:4731 [120] S ==> trace-cmd:4730 [120] 8