- Do not show incorrect exclusive time data in non-tree view

- Update help text and documentation to be more accurate

Author: davidwrighton

src/PerfView/Dialogs/RunCommandDialog.xaml

@@ -321,7 +321,7 @@
                     <CheckBox Grid.Row="0" Grid.Column="11" Name="CCWRefCountCheckBox" VerticalAlignment="Center"/>
 
                     <TextBlock Grid.Row="0" Grid.Column="12" VerticalAlignment="Center" HorizontalAlignment="Right" Margin="8,2,5,2" 
-                               ToolTip="Log information about .NET Runtime loading." >
+                               ToolTip="Log extended information about .NET Runtime loading including R2R and type load events." >
                     <Hyperlink Command="Help" CommandParameter="RuntimeLoadingCheckBox">.NET Loader:</Hyperlink>
                     </TextBlock>
                     <CheckBox Grid.Row="0" Grid.Column="13" Name="RuntimeLoadingCheckBox" VerticalAlignment="Center" />

src/PerfView/RuntimeLoaderStats.cs

@@ -79,7 +79,9 @@ public static void ToTxt(string filePath, RuntimeLoaderProcessData runtimeProces
             bool csv = filePath.EndsWith("csv");
             using (var writer = File.CreateText(filePath))
             {
-                writer.WriteLine("\"ThreadId  \",\"Start time\",\"Inclusive\",\"Exclusive\",\"RuntimeOperation\"");
+                bool showExclusiveTime = tree;
+
+                writer.WriteLine($"\"ThreadId  \",\"Start time\",\"Inclusive\"{(showExclusiveTime ? ",\"Exclusive\"" : "") },\"RuntimeOperation\"");
                 foreach (var threadData in runtimeProcessData.ThreadData)
                 {
                     int threadId = threadData.Key;
@@ -116,7 +118,9 @@ public static void ToTxt(string filePath, RuntimeLoaderProcessData runtimeProces
                         if (seenEvents.Contains(eventData.End.EventId))
                             inclusiveTimeStr = "";
 
-                        writer.Write($"{PadIfNotCsv(threadId.ToString(), 12)},{PadIfNotCsv(startTime.ToString("F3"), 12)},{PadIfNotCsv(inclusiveTimeStr, 11)},{PadIfNotCsv(exclusiveTime.ToString("F3"), 11)},");
+                        writer.Write($"{PadIfNotCsv(threadId.ToString(), 12)},{PadIfNotCsv(startTime.ToString("F3"), 12)},{PadIfNotCsv(inclusiveTimeStr, 11)},");
+                        if (showExclusiveTime)
+                            writer.Write($"{PadIfNotCsv(exclusiveTime.ToString("F3"), 11)},");
 
                         StringBuilder eventName = new StringBuilder();
 

src/PerfView/SupportFiles/HtmlReportUsersGuide.htm

@@ -246,9 +246,11 @@ <h3>
         the outer operation is broken up to show the time spent around the inner operation.
 
         To enable data about all loader operations set the ".NET Loader" checkbox when collecting data.
-        Otherwise, the data captured will be restricted to JIT and assembly load operations. The /RuntimeLoading switch may also be used.
+        Information about all loader operations is restricted to analysis of .NET Core runtimes.
+        R2R information is only available in .NET Core 3 and above.
+        TypeLoad information is only available in .NET 5 and above.
 
-        Also see the Runtime Loader stacks view, which ties this data into a view of CPU activity, to allow investigating CPU usage during specific loader operations.
+        Otherwise, the data captured will be restricted to JIT and assembly load operations. The /RuntimeLoading switch may also be used.
         <hr />
     <p>&nbsp;</p>
     <p>&nbsp;</p>