SWDEV-301667 - Pass reference to kernel name

Change-Id: I21abe109ddfabfe7640bf78a96c81a1317d31952

hipamd/src/hip_graph_internal.hpp

@@ -233,7 +233,7 @@ struct GraphNode : public hipGraphNodeDOTAttribute {
   }
   // Return gpu packet address to update with actual packet under capture.
   uint8_t* GetAqlPacket() { return gpuPacket_; }
-  void SetKernelName(std::string kernelName) { capturedKernelName_ = kernelName; }
+  void SetKernelName(const std::string& kernelName) { capturedKernelName_ = kernelName; }
   const std::string& GetKernelName() const { return capturedKernelName_; }
 
   hip::Stream* GetQueue() const { return stream_; }

rocclr/platform/command.hpp

@@ -1270,8 +1270,7 @@ class AccumulateCommand : public Command {
 
   //! Add kernel name to the list if available
   void addKernelName(const std::string& kernelName) {
-    // "^" is to indicate kernel is captured at instantiate
-    kernelNames_.push_back("^  " + kernelName);
+    kernelNames_.push_back(kernelName);
   }
 
   //! Add kernel timestamp to the list if available