toMetricsJson method

Implementation

Map<String, dynamic> toMetricsJson() {
  final fpsAvg = _fpsHistory.isEmpty
      ? 0.0
      : _fpsHistory.reduce((a, b) => a + b) / _fpsHistory.length;
  final memAvg = _memoryHistory.isEmpty
      ? 0.0
      : _memoryHistory.reduce((a, b) => a + b) / _memoryHistory.length;
  final uptime = DateTime.now().difference(_sessionStart);

  return {
    'fps': {
      'current': _currentFPS,
      'average': fpsAvg,
      'history': List<double>.from(_fpsHistory),
    },
    'memory': {
      'current': _currentMemory,
      'average': memAvg.toDouble(),
      'history': List<int>.from(_memoryHistory),
    },
    'signals': {
      'counts': Map<String, int>.from(_signalUpdateCounts),
      'durationsMs': _signalUpdateDurations.map(
        (k, v) => MapEntry(k, v.inMilliseconds),
      ),
    },
    'benchmarks': Map<String, dynamic>.from(_benchmarkResults),
    'session': {
      'uptimeSeconds': uptime.inSeconds,
    },
  };
}