diff --git a/server/TracyWorker.cpp b/server/TracyWorker.cpp
index c8472c53..19cedb9b 100644
--- a/server/TracyWorker.cpp
+++ b/server/TracyWorker.cpp
@@ -1819,6 +1819,11 @@ const char* Worker::GetThreadString( uint64_t id ) const
     }
 }
 
+bool Worker::IsThreadLocal( uint64_t id ) const
+{
+    return m_data.threadMap.find( id ) != m_data.threadMap.end();
+}
+
 const SourceLocation& Worker::GetSourceLocation( int16_t srcloc ) const
 {
     if( srcloc < 0 )
diff --git a/server/TracyWorker.hpp b/server/TracyWorker.hpp
index 46f0429b..530b190f 100644
--- a/server/TracyWorker.hpp
+++ b/server/TracyWorker.hpp
@@ -332,6 +332,7 @@ public:
     const char* GetString( const StringRef& ref ) const;
     const char* GetString( const StringIdx& idx ) const;
     const char* GetThreadString( uint64_t id ) const;
+    bool IsThreadLocal( uint64_t id ) const;
     const SourceLocation& GetSourceLocation( int16_t srcloc ) const;
 
     const char* GetZoneName( const SourceLocation& srcloc ) const;