title: Print the kernel stack of a hung task
name: dumpstack.stp
version: 1.0
author: Wenji Huang
keywords: process backtrace
subsystem: kernel
status: production
exit: fixed
output: text
scope: pid
description: The script prints the kernel stack of any non-running pid in the system.  This is useful for diagnosing the reason that a task is hung.
test_check: stap -p4 dumpstack.stp
test_installcheck: stap dumpstack.stp -x $$