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

NAME
probe::scheduler.cpu_off - Process is about to stop running on a cpu
SYNOPSIS
scheduler.cpu_off
VALUES
task_next
the process replacing current
idle
boolean indicating whether current is the idle process
task_prev
the process leaving the cpu (same as current)
name
name of the probe point
CONTEXT
The process leaving the cpu.
SystemTap Tapset Reference March 2016 PROBE::SCHEDULER.C(3stap)