Also on 5.5.33-31.1, for the record setting slow_query_log_use_global_control to 'log_slow_filter,log_slow_rate_limit,log_slow_verbosity,long_query_time,min_examined_row_limit' reduces the logging but I still see some < long_query_time queries being logged where server is not slave and those queries have indexes (PK lookups).
Also on 5.5.33-31.1, for the record setting slow_query_ log_use_ global_ control to 'log_slow_ filter, log_slow_ rate_limit, log_slow_ verbosity, long_query_ time,min_ examined_ row_limit' reduces the logging but I still see some < long_query_time queries being logged where server is not slave and those queries have indexes (PK lookups).