From: Grisha Kotler <grisha-kotler@users.noreply.github.com>
Date: Tue, 2 May 2023 22:49:57 +0000 (+0300)
Subject: dotnet-stack: Fix parsing of thread names (#3860)
X-Git-Tag: accepted/tizen/unified/riscv/20231226.055542~39^2^2~69
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f8d156b65ee81b87bd996b4b48db9e637634b3a0;p=platform%2Fcore%2Fdotnet%2Fdiagnostics.git

dotnet-stack: Fix parsing of thread names (#3860)
---

diff --git a/src/Tools/dotnet-stack/ReportCommand.cs b/src/Tools/dotnet-stack/ReportCommand.cs
index 324c29953..76ca818ea 100644
--- a/src/Tools/dotnet-stack/ReportCommand.cs
+++ b/src/Tools/dotnet-stack/ReportCommand.cs
@@ -121,7 +121,11 @@ namespace Microsoft.Diagnostics.Tools.Stack
                         // Thread id is in the frame name as "Thread (<ID>)"
                         string template = "Thread (";
                         string threadFrame = stackSource.GetFrameName(stackSource.GetFrameIndex(stackIndex), false);
-                        int threadId = int.Parse(threadFrame.Substring(template.Length, threadFrame.Length - (template.Length + 1)));
+
+                        // we are looking for the first index of ) because
+                        // we need to handle a thread name like: Thread (4008) (.NET IO ThreadPool Worker)
+                        int firstIndex = threadFrame.IndexOf(')');
+                        int threadId = int.Parse(threadFrame.AsSpan(template.Length, firstIndex - template.Length));
 
                         if (samplesForThread.TryGetValue(threadId, out List<StackSourceSample> samples))
                         {