Print the timescale too.

Author: linas

opencog/persist/proxy/WriteBufferProxy.cc

@@ -249,6 +249,10 @@ std::string WriteBufferProxy::monitor(void)
 rpt += " Values: " + std::to_string(_mavg_out_values);
 rpt += "\n";
 
+// Duty cycle is the amount of time that the write thread
+// is actually writing, vs. the elapsed wallclock time.
+// Anything over 100 will lead to buffer overflows.
+rpt += "Timescale " + std::to_string(_decay) + " secs; ";
 rpt += "Duty cycle (load avg): " + std::to_string(_mavg_load);
 rpt += "\n";