Method ~PerformanceMeasurer

src/framerate_gui.cpp:256–282

Finish a cycle of a measured element and store the measurement taken. */

/** Finish a cycle of a measured element and store the measurement taken. */
PerformanceMeasurer::~PerformanceMeasurer()
{
	if (this->elem == PFE_ALLSCRIPTS) {
		/* Hack to not record scripts total when no scripts are active */
		bool any_active = _pf_data[PFE_GAMESCRIPT].num_valid > 0;
		for (uint e = PFE_AI0; e < PFE_MAX; e++) any_active |= _pf_data[e].num_valid > 0;
		if (!any_active) {
			PerformanceMeasurer::SetInactive(PFE_ALLSCRIPTS);
			return;
		}
	}
	if (this->elem == PFE_SOUND) {
		/* PFE_SOUND measurements are made from the mixer thread.
		 * _pf_data cannot be concurrently accessed from the mixer thread
		 * and the main thread, so store the measurement results in a
		 * mutex-protected queue which is drained by the main thread.
		 * See: ProcessPendingPerformanceMeasurements() */
		TimingMeasurement end = GetPerformanceTimer();
		std::lock_guard lk(_sound_perf_lock);
		if (_sound_perf_measurements.size() >= NUM_FRAMERATE_POINTS * 2) return;
		_sound_perf_measurements.push_back(this->start_time);
		_sound_perf_measurements.push_back(end);
		_sound_perf_pending.store(true, std::memory_order_release);
		return;
	}
	_pf_data[this->elem].Add(this->start_time, GetPerformanceTimer());
}

/** Set the rate of expected cycles per second of a performance element. */
void PerformanceMeasurer::SetExpectedRate(double rate)