Using 3.4.2, logging to syslog.
If my cgminer log interval is not set to 5, I don't receive the log entries like
(5s):xxG (avg):xxGh/s | A:xx R:xx HW:xx WU:xx/m
to syslog at all. I still get other syslog entries from cgminer, just not this entry. When log interval is equal to 5, I get that entry every 5 seconds.