Created
April 7, 2016 11:35
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| public class MiniProfiler : IDisposable | |
| { | |
| private Stopwatch _stopWatch; | |
| private List<ProfilerEvent> _events; | |
| public MiniProfiler() | |
| { | |
| _events = new List<ProfilerEvent>(); | |
| } | |
| public void Start() | |
| { | |
| if (IsRunning()) | |
| { | |
| _stopWatch.Restart(); | |
| Step("Restarted"); | |
| } | |
| else | |
| { | |
| if (_stopWatch == null) | |
| _stopWatch = new Stopwatch(); | |
| _stopWatch.Start(); | |
| Step("Started"); | |
| } | |
| } | |
| public void Stop() | |
| { | |
| if (!IsRunning()) | |
| return; | |
| _stopWatch.Stop(); | |
| _stopWatch = null; | |
| } | |
| public IDisposable Step(string name) | |
| { | |
| return Step(name, null); | |
| } | |
| public IDisposable Step(string name, string data) | |
| { | |
| if (!IsRunning()) | |
| return NullDisposable.CreateNew(); | |
| var profilerEvent = new ProfilerEvent(); | |
| profilerEvent.Name = name; | |
| profilerEvent.Data = data; | |
| profilerEvent.ElapsedMilliseconds = _stopWatch.ElapsedTicks; | |
| return new ProfilerStep(profilerEvent, (e) => StepFinishedCallback(e)); | |
| } | |
| private void StepFinishedCallback(ProfilerEvent e) | |
| { | |
| if (_stopWatch != null) | |
| e.TotalMilliseconds = _stopWatch.ElapsedMilliseconds; | |
| _events.Add(e); | |
| } | |
| private bool IsRunning() | |
| { | |
| if (_stopWatch == null || !_stopWatch.IsRunning) | |
| return false; | |
| return true; | |
| } | |
| public void Dispose() | |
| { | |
| Stop(); | |
| } | |
| public override string ToString() | |
| { | |
| return string.Join(Environment.NewLine, _events); | |
| } | |
| public class ProfilerStep : IDisposable | |
| { | |
| private Stopwatch _stopWatch; | |
| private ProfilerEvent _profilerEvent; | |
| private Action<ProfilerEvent> _disposeAction; | |
| public long ElapsedMilliseconds { get; private set; } | |
| public ProfilerStep(ProfilerEvent profilerEvent, Action<ProfilerEvent> disposeAction) | |
| { | |
| if (profilerEvent == null) | |
| throw new ArgumentException("profilerEvent"); | |
| _profilerEvent = profilerEvent; | |
| _disposeAction = disposeAction; | |
| _stopWatch = new Stopwatch(); | |
| _stopWatch.Start(); | |
| } | |
| public void Dispose() | |
| { | |
| _stopWatch.Stop(); | |
| _profilerEvent.ElapsedMilliseconds = _stopWatch.ElapsedMilliseconds; | |
| if (_disposeAction != null) | |
| { | |
| _disposeAction(_profilerEvent); | |
| } | |
| _stopWatch = null; | |
| } | |
| } | |
| public class ProfilerEvent | |
| { | |
| public long ElapsedMilliseconds { get; set; } | |
| public long TotalMilliseconds { get; set; } | |
| public string Name { get; set; } | |
| public string Data { get; set; } | |
| public override string ToString() | |
| { | |
| return string.Format("{0}\t{1}\t{2}\t{3}", TotalMilliseconds, ElapsedMilliseconds, Name, Data); | |
| } | |
| } | |
| public class NullDisposable : IDisposable | |
| { | |
| public void Dispose() | |
| { } | |
| public static IDisposable CreateNew() | |
| { | |
| return new NullDisposable(); | |
| } | |
| } | |
| } |
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