def stream_stats(self):
Tp = self.frame_length/float(self.fs)*<NUM_LIT:1000><EOL>print('<STR_LIT>'% (self.DSP_tic[<NUM_LIT:0>]*<NUM_LIT:1000>,))<EOL>print('<STR_LIT>' % Tp)<EOL>Tmp_mean = np.mean(np.diff(np.array(self.DSP_tic))[<NUM_LIT:1>:]*<NUM_LIT:1000>)<EOL>print('<STR_LIT>' % Tmp_mean)<EOL>Tprocess_mean = np.mean(np.array(self.DSP_toc)-np.array(self.DSP_tic))*<NUM_LIT:1000><EOL>print('<STR_LIT>' % Tprocess_mean)<EOL>
Display basic statistics of callback execution: ideal period 
between callbacks, average measured period between callbacks,
and average time spent in the callback.