title: Tracing Calls for Sections of Code
name: para-callgraph.stp
version: 1.0
author: anonymous
keywords: trace callgraph
subsystem: kernel
status: production
exit: user-controlled
output: trace
scope: system-wide
description: The script takes two arguments: the first argument is the function to starts/stops the per thread call graph traces and the second argument is the list of functions to generate trace information on. The script prints out a timestap for the thread, the function name and pid, followed by entry or exit symboly and function name.
test_check: stap -p4 para-callgraph.stp sys_read "*@fs/*.c"
test_installcheck: stap  para-callgraph.stp sys_read "*@fs/*.c" -c "sleep 1"