stop method
void
stop()
Implementation
void stop() {
assert(_isRunning);
_isRunning = false;
_stopwatch.stop();
final startEvent = DurationEvent()
..name = configuration.timerName
..pid = configuration.pid
..tid = configuration.tid
..phase = DurationEventPhase.begin
..ts = _startDuration;
final endEvent = DurationEvent()
..name = configuration.timerName
..pid = configuration.pid
..tid = configuration.tid
..phase = DurationEventPhase.end
..ts = _startDuration
.add(Duration(microseconds: _stopwatch.elapsedMicroseconds));
_collector([startEvent, endEvent]);
}