/*
   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 = $arg3
  package = user_string($arg4)

}

/*
   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 = $arg3
  package = user_string($arg4)

}

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

probe perl.phase.change = process("LIBRARY_PATH").mark("phase__change")
{
  newphase = user_string($arg1)
  oldphase = user_string($arg2)

}


/*
   Fires when Perl has successfully loaded an individual file.
 */

probe perl.loaded.file = process("LIBRARY_PATH").mark("loaded__file")
{
  filename = user_string($arg1)

}


/*
   Fires when Perl is about to load an individual file.
 */

probe perl.loading.file = process("LIBRARY_PATH").mark("loading__file")
{
  filename = user_string($arg1)

}


/*
   Traces the execution of each opcode in the Perl runloop.
 */

probe perl.op.entry = process("LIBRARY_PATH").mark("op__entry")
{
  opname = user_string($arg1)
}