/*
   This probe will fire when the perl script enters a subroutine.
 */

probe perl.sub.call = process("LIBRARY_PATH").mark("sub__entry")
{

  sub = user_string($arg1)
  filename = user_string($arg2)
  lineno = $arg3

}

/* 
   This probe will fire when the return from a subroutine has been 
   hit.  
 */

probe perl.sub.return = process("LIBRARY_PATH").mark("sub__return")
{

  sub = user_string($arg1)
  filename = user_string($arg2)
  lineno = $arg3

}