def add_recorder(self, recorder):
        self.recorders.append(recorder)
Internal timer callback method.  Calls tick() and measures elapsed time.
dataset/ETHPy150Open OpenMDAO/OpenMDAO/openmdao/solvers/solver_base.py/NonLinearSolver.add_recorder--crossover with--dataset/ETHPy150Open RobotLocomotion/director/src/python/director/timercallback.py/TimerCallback._timerEvent