Report HW Context Name in MLTimeline output if available in HWCtx

profile/plugin/ml_timeline/clientDev/ml_timeline.cpp

@@ -197,6 +197,9 @@ namespace xdp {
     ptHeader.put("cycle_size", 2*sizeof(uint32_t));
     ptHeader.put("buffer_size", mBufSz);
     ptHeader.put("num_buffer_segments", mNumBufSegments);
+    if (!mHwCtxName.empty()) {
+      ptHeader.put("hw_context_name", mHwCtxName);
+    }
     ptTop.add_child("header", ptHeader);
 
     // Record Timer TS in JSON

profile/plugin/ml_timeline/ml_timeline_impl.h

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: Apache-2.0
-// Copyright (C) 2023-2025 Advanced Micro Devices, Inc. All rights reserved
+// Copyright (C) 2023-2026 Advanced Micro Devices, Inc. All rights reserved
 
 #ifndef XDP_PLUGIN_ML_TIMELINE_IMPL_H
 #define XDP_PLUGIN_ML_TIMELINE_IMPL_H
@@ -19,6 +19,7 @@ namespace xdp {
       VPDatabase* db = nullptr;
       uint32_t mBufSz;
       uint32_t mNumBufSegments;
+      std::string mHwCtxName;
 
     public:
       MLTimelineImpl(VPDatabase* dB, uint32_t sz)
@@ -33,6 +34,10 @@ namespace xdp {
 
       virtual void updateDevice(void*, uint64_t) = 0;
       virtual void finishflushDevice(void*, uint64_t) = 0;
+
+      void setHWContextName(const std::string &nm) {
+        mHwCtxName = nm;
+      }
   };
 
 }

profile/plugin/ml_timeline/ml_timeline_plugin.cpp

@@ -110,7 +110,7 @@ namespace xdp {
   {
     xrt_core::message::send(xrt_core::message::severity_level::info, "XRT",
           "In ML Timeline Plugin : updateDevice.");          
-      
+
 #ifdef XDP_CLIENT_BUILD
 
     if (mMultiImpl.find(hwCtxImpl) != mMultiImpl.end()) {
@@ -201,6 +201,18 @@ namespace xdp {
     auto mlImpl = mMultiImpl[hwCtxImpl].second.get();
     mlImpl->updateDevice(hwCtxImpl, deviceId);
 
+    try {
+      xrt::hw_context::cfg_type hwCtxCfgMap = xrt_core::hw_context_int::get_cfg_map(hwContext);
+      auto itr = hwCtxCfgMap.find("hw_context_name");
+      if (hwCtxCfgMap.end() != itr) {
+        mlImpl->setHWContextName(itr->second);
+      }
+    } catch (const std::exception& e) {
+      std::stringstream msg;
+      msg << e.what() << " Failed while accessing config map for HW Context Name. " << std::endl;
+      xrt_core::message::send(xrt_core::message::severity_level::debug, "XRT", msg.str());
+    }
+
 #elif defined (XDP_VE2_BUILD)
 
     if (mMultiImpl.find(hwCtxImpl) != mMultiImpl.end()) {
@@ -270,7 +282,19 @@ namespace xdp {
     mMultiImpl[hwCtxImpl] = std::make_pair(implId, std::make_unique<MLTimelineVE2Impl>(db, mBufSz));
     auto mlImpl = mMultiImpl[hwCtxImpl].second.get();
     mlImpl->updateDevice(hwCtxImpl, deviceId);
-
+
+    try {
+      xrt::hw_context::cfg_type hwCtxCfgMap = xrt_core::hw_context_int::get_cfg_map(hwContext);
+      auto itr = hwCtxCfgMap.find("hw_context_name");
+      if (hwCtxCfgMap.end() != itr) {
+        mlImpl->setHWContextName(itr->second);
+      }
+    } catch (const std::exception& e) {
+      std::stringstream msg;
+      msg << e.what() << " Failed while accessing config map for HW Context Name. " << std::endl;
+      xrt_core::message::send(xrt_core::message::severity_level::debug, "XRT", msg.str());
+    }
+
   #endif
 
   }

profile/plugin/ml_timeline/ve2/ml_timeline.cpp

@@ -182,6 +182,9 @@ namespace xdp {
     ptHeader.put("cycle_size", 2*sizeof(uint32_t));
     ptHeader.put("buffer_size", mBufSz);
     ptHeader.put("num_buffer_segments", mNumBufSegments);
+    if (!mHwCtxName.empty()) {
+      ptHeader.put("hw_context_name", mHwCtxName);
+    }
     ptTop.add_child("header", ptHeader);
 
     // Record Timer TS in JSON