feat: add TimingEvent, time IM scene init

Dalamud/Dalamud.cs

@@ -120,7 +120,7 @@ namespace Dalamud
                 Log.Information("[T1] Game thread continued!");
 
                 // Initialize FFXIVClientStructs function resolver
-                using (Timings.Start("FFXIVClientStructs Resolver Init"))
+                using (Timings.Start("CS Resolver Init"))
                 {
                     FFXIVClientStructs.Resolver.Initialize();
                     Log.Information("[T1] FFXIVClientStructs initialized!");
@@ -311,6 +311,7 @@ namespace Dalamud
                 Troubleshooting.LogTroubleshooting();
 
                 Log.Information("Dalamud is ready.");
+                Timings.Event("Dalamud ready");
             }
             catch (Exception ex)
             {

Dalamud/Interface/Internal/InterfaceManager.cs

@@ -474,6 +474,8 @@ namespace Dalamud.Interface.Internal
                 return this.presentHook.Original(swapChain, syncInterval, presentFlags);
 
             if (this.scene == null)
+            {
+                using (Timings.Start("IM Scene Init"))
                 {
                     try
                     {
@@ -588,6 +590,7 @@ namespace Dalamud.Interface.Internal
 
                     Service<DalamudIME>.Get().Enable();
                 }
+            }
 
             if (this.address.IsReshade)
             {

Dalamud/Utility/Timing/TimingEvent.cs

@@ -0,0 +1,35 @@
+namespace Dalamud.Utility.Timing;
+
+public class TimingEvent
+{
+    internal TimingEvent(string name)
+    {
+        this.Name = name;
+        this.StartTime = Timings.Stopwatch.Elapsed.TotalMilliseconds;
+    }
+    
+    /// <summary>
+    /// Gets the time this timing started.
+    /// </summary>
+    public double StartTime { get; private set; }
+    
+    /// <summary>
+    /// Gets the name of the timing.
+    /// </summary>
+    public string Name { get; init; }
+
+    /// <summary>
+    /// Gets the member that created this timing.
+    /// </summary>
+    public string? MemberName { get; init; }
+
+    /// <summary>
+    /// Gets the file name that created this timing.
+    /// </summary>
+    public string? FileName { get; init; }
+
+    /// <summary>
+    /// Gets the line number that created this timing.
+    /// </summary>
+    public int LineNumber { get; init; }
+}

Dalamud/Utility/Timing/TimingHandle.cs

@@ -8,16 +8,14 @@ namespace Dalamud.Utility.Timing;
 /// Class used for tracking a time interval taken.
 /// </summary>
 [DebuggerDisplay("{Name} - {Duration}")]
-public sealed class TimingHandle : IDisposable
+public sealed class TimingHandle : TimingEvent, IDisposable
 {
     /// <summary>
     /// Initializes a new instance of the <see cref="TimingHandle"/> class.
     /// </summary>
     /// <param name="name">The name of this timing.</param>
-    internal TimingHandle(string name)
+    internal TimingHandle(string name) : base(name)
     {
-        this.Name = name;
-
         this.Parent = Timings.Current.Value;
         Timings.Current.Value = this;
 
@@ -28,7 +26,6 @@ public sealed class TimingHandle : IDisposable
                 this.ChildCount++;
             }
             
-            this.StartTime = Timings.Stopwatch.Elapsed.TotalMilliseconds;
             this.EndTime = this.StartTime;
             this.IsMainThread = ThreadSafety.IsMainThread;
 
@@ -41,11 +38,6 @@ public sealed class TimingHandle : IDisposable
         }
     }
 
-    /// <summary>
-    /// Gets the time this timing started.
-    /// </summary>
-    public double StartTime { get; private set; }
-
     /// <summary>
     /// Gets the time this timing ended.
     /// </summary>
@@ -81,26 +73,6 @@ public sealed class TimingHandle : IDisposable
     /// </summary>
     public uint Depth { get; private set; }
 
-    /// <summary>
-    /// Gets the name of the timing.
-    /// </summary>
-    public string Name { get; init; }
-
-    /// <summary>
-    /// Gets the member that created this timing.
-    /// </summary>
-    public string? MemberName { get; init; }
-
-    /// <summary>
-    /// Gets the file name that created this timing.
-    /// </summary>
-    public string? FileName { get; init; }
-
-    /// <summary>
-    /// Gets the line number that created this timing.
-    /// </summary>
-    public int LineNumber { get; init; }
-
     /// <inheritdoc/>
     public void Dispose()
     {

Dalamud/Utility/Timing/Timings.cs

@@ -26,6 +26,8 @@ public static class Timings
     /// </summary>
     internal static readonly List<TimingHandle> ActiveTimings = new();
     
+    internal static readonly List<TimingEvent> Events = new();
+
     /// <summary>
     /// Current active timing entry.
     /// </summary>
@@ -48,4 +50,26 @@ public static class Timings
             LineNumber = sourceLineNumber,
         };
     }
+    
+    /// <summary>
+    /// Record a one-time event.
+    /// </summary>
+    /// <param name="name">The name of the timing.</param>
+    /// <param name="memberName">Name of the calling member.</param>
+    /// <param name="sourceFilePath">Name of the calling file.</param>
+    /// <param name="sourceLineNumber">Name of the calling line number.</param>
+    /// <returns>Disposable that stops the timing once disposed.</returns>
+    public static void Event(string name, [CallerMemberName] string memberName = "", [CallerFilePath] string sourceFilePath = "",
+                             [CallerLineNumber] int sourceLineNumber = 0)
+    {
+        lock (Events)
+        {
+            Events.Add(new TimingEvent(name)
+            {
+                MemberName = memberName,
+                FileName = sourceFilePath,
+                LineNumber = sourceLineNumber,
+            });
+        }
+    }
 }