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

probe perl.sub.call = process("/usr/lib64/perl5/CORE/libperl.so").mark("sub__entry")
{

  sub = user_string($arg1)
  filename = user_string($arg2)
  lineno = $arg3
  package = user_string($arg4)

}

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

probe perl.sub.return = process("/usr/lib64/perl5/CORE/libperl.so").mark("sub__return")
{

  sub = user_string($arg1)
  filename = user_string($arg2)
  lineno = $arg3
  package = user_string($arg4)

}

/* 
   This probe will fire when the Perl interperter changes state.
 */

probe perl.phase.change = process("/usr/lib64/perl5/CORE/libperl.so").mark("phase__change")
{
  newphase = user_string($arg1)
  oldphase = user_string($arg2)
  
}