Provided by: systemtap-doc_2.3-1ubuntu1.4_all 

NAME
probe::scheduler.kthread_stop.return - A kthread is stopped and gets the return value
SYNOPSIS
scheduler.kthread_stop.return
VALUES
return_value
return value after stopping the thread
name
name of the probe point
SystemTap Tapset Reference March 2016 PROBE::SCHEDULER.K(3stap)