压力测试优化1

UIShare/GlobalVariable/ScopeLogDispatcher.cs

@@ -1,17 +1,22 @@
 using Logger;
 using System;
+using System.Collections.Concurrent;
 using System.Windows.Media;
 
 namespace UIShare.GlobalVariable
 {
     /// <summary>
     /// 作用域日志分发器：根据显式传入的 scope 参数把日志路由到对应
-    /// <see cref="ScopedContext.LogProgress"/>，实现每个台架/作用域拥有独立 LogArea。
+    /// <see cref="ScopedContext.LogBuffer"/>，实现每个台架/作用域拥有独立 LogArea。
+    /// 直接写入 ConcurrentQueue，不走 Progress&lt;T&gt; / SynchronizationContext，避免 UI 线程压力。
     /// </summary>
     public class ScopeLogDispatcher : IProgress<(string scope, string message, string color, int depth)>
     {
         private readonly GlobalInfo _globalInfo;
 
+        /// <summary>Brush 缓存，避免每次都 new BrushConverter</summary>
+        private static readonly ConcurrentDictionary<string, Brush> _brushCache = new();
+
         public ScopeLogDispatcher(GlobalInfo globalInfo)
         {
             _globalInfo = globalInfo ?? throw new ArgumentNullException(nameof(globalInfo));
@@ -23,19 +28,21 @@ namespace UIShare.GlobalVariable
             if (string.IsNullOrEmpty(scope)) return;
 
             if (!_globalInfo.ContextDic.TryGetValue(scope, out var context)) return;
-            if (context?.LogProgress == null) return;
 
-            Brush? brush = null;
-            try
+            Brush brush = _brushCache.GetOrAdd(value.color, color =>
             {
-                brush = (Brush)new BrushConverter().ConvertFromString(value.color);
-            }
-            catch
-            {
-                brush = Brushes.Black;
-            }
+                try
+                {
+                    return (Brush)new BrushConverter().ConvertFromString(color);
+                }
+                catch
+                {
+                    return Brushes.Black;
+                }
+            });
 
-            context.LogProgress.Report((value.message, brush, value.depth));
+            // 直接入队到后台线程安全的 ConcurrentQueue，不走 SynchronizationContext
+            context.LogBuffer.Enqueue((value.message, brush, value.depth));
         }
     }
 }

UIShare/GlobalVariable/ScopedContext.cs

@@ -1,6 +1,7 @@
 using DeviceCommand.Base;
 using MaterialDesignThemes.Wpf;
 using System;
+using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Diagnostics;
@@ -32,8 +33,12 @@ namespace UIShare.GlobalVariable
 
         public List<IBaseInterface> DeviceList { get; set; } = new();
 
-        /// <summary>当前作用域的日志接收器，LogAreaViewModel 订阅此处实现按作用域隔离日志。</summary>
-        public IProgress<(string Message, Brush Color, int Depth)>? LogProgress { get; set; }
+        /// <summary>
+        /// 日志缓冲队列：后台线程（ScopeLogDispatcher）直接入队，
+        /// UI 线程（DispatcherTimer）定时出队并刷新到 ObservableCollection。
+        /// 不走 Progress&lt;T&gt; / SynchronizationContext，避免 Post 淹没 UI 消息队列。
+        /// </summary>
+        public ConcurrentQueue<(string Message, Brush Color, int Depth)> LogBuffer { get; } = new();
 
         // 【新增测试属性】：每个实例被 new 出来时独一无二的随机身份
         // 证 ID