/*
Example of the perl systemtap tapset shows a nested view of perl subroutine
calls and returns across the whole system.
To run:
stap perl-example.stp (for all perl processes)
For specific perl process:
stap perl-example.stp -c COMMAND
*/
probe perl.sub.call
{
printf("%s => sub: %s, filename: %s, line: %d, package: %s\n",
thread_indent(1), sub, filename, lineno, package)
}
probe perl.sub.return
{
printf("%s <= sub: %s, filename: %s, line: %d, package: %s\n",
thread_indent(-1), sub, filename, lineno, package)
}