question: mark the occurrence of an event . concode_field_sep double NANOS_PER_SECOND concode_elem_sep RestorableEWMA m15Rate concode_elem_sep AtomicLong count concode_elem_sep RestorableEWMA m120Rate concode_elem_sep AtomicLong uncounted concode_elem_sep long TICK_INTERVAL concode_elem_sep AtomicLong lastTick concode_elem_sep double rate concode_elem_sep double alpha concode_elem_sep Clock clock concode_elem_sep long startTime concode_elem_sep double interval concode_elem_sep boolean initialized concode_field_sep void tickIfNecessary concode_elem_sep double fifteenMinuteRate concode_elem_sep double meanRate concode_elem_sep double rate concode_elem_sep long count concode_elem_sep void update concode_elem_sep void tick concode_elem_sep double twoHourRate
target: void function ( ) { mark ( 1 ) ; }