diff --git a/pmu/pmu_event.h b/pmu/pmu_event.h
index da31525d9bf3255b3c52531016d41f8a13bd450b..cf5a767284b13cb750278e296c6a6be148e189bb 100644
--- a/pmu/pmu_event.h
+++ b/pmu/pmu_event.h
@@ -207,7 +207,7 @@ struct EventData {
     std::vector<PerfSampleIps> sampleIps;
     std::vector<PmuDataExt *> extPool;
     std::vector<PmuSwitchData> switchData;
-    std::vector<PerfEvent> metaData;
+    std::vector<PerfRecordSample> metaData;
 };
 
 int MapErrno(int sysErr);
diff --git a/pmu/pmu_list.cpp b/pmu/pmu_list.cpp
index 95cf50330f12c9d4e0d538e4c21ea11ea56773b0..af9b3572a520d759a85fa0a78f35d9cff8f2bb26 100644
--- a/pmu/pmu_list.cpp
+++ b/pmu/pmu_list.cpp
@@ -752,11 +752,11 @@ namespace KUNPENG_PMU {
         return SUCCESS;
     }
 
-    std::vector<PerfEvent> PmuList::GetMetaData(PmuData* pmuData) const
+    std::vector<PerfRecordSample> PmuList::GetMetaData(PmuData* pmuData) const
     {
         auto findData = userDataList.find(pmuData);
         if (findData == userDataList.end()) {
-            return vector<PerfEvent>();
+            return vector<PerfRecordSample>();
         }
         return findData->second.metaData;
     }
diff --git a/pmu/pmu_list.h b/pmu/pmu_list.h
index 3d0e67849f4d9abf165b3e310f0939458fa7d4cd..db00184d3ac146e34ae5162bf06a94861fe6f864 100644
--- a/pmu/pmu_list.h
+++ b/pmu/pmu_list.h
@@ -85,7 +85,7 @@ public:
     void FillPidList(const unsigned pd, unsigned numPid, int* pidList);
     int ResolvePmuDataSymbol(struct PmuData* iPmuData);
 
-    std::vector<PerfEvent> GetMetaData(PmuData* pmuData) const;
+    std::vector<PerfRecordSample> GetMetaData(PmuData* pmuData) const;
     void AddNewProcess(const unsigned &pd, int pid);
 
 private:
diff --git a/pmu/sampler.cpp b/pmu/sampler.cpp
index 5bd2ebdba359099bf08f1a2e143a208eee8f10ef..72c201776a5da8c3a399be3d8b1018bfa22eec91 100644
--- a/pmu/sampler.cpp
+++ b/pmu/sampler.cpp
@@ -296,7 +296,7 @@ void KUNPENG_PMU::PerfSampler::ReadRingBuffer(EventData &eventData)
                 break;
             }
             case PERF_RECORD_MMAP: {
-                eventData.metaData.push_back(*event);
+                eventData.metaData.push_back(event->sample);
                 if (symMode == RESOLVE_ELF_DWARF || symMode == NO_SYMBOL_RESOLVE) {
                     SymResolverUpdateModule(event->mmap.tid, event->mmap.filename, event->mmap.addr);
                 } else if (symMode == RESOLVE_ELF) {
@@ -305,7 +305,7 @@ void KUNPENG_PMU::PerfSampler::ReadRingBuffer(EventData &eventData)
                 break;
             }
             case PERF_RECORD_MMAP2: {
-                eventData.metaData.push_back(*event);
+                eventData.metaData.push_back(event->sample);
                 if (symMode == RESOLVE_ELF_DWARF || symMode == NO_SYMBOL_RESOLVE) {
                     SymResolverUpdateModule(event->mmap2.tid, event->mmap2.filename, event->mmap2.addr);
                 } else if (symMode == RESOLVE_ELF) {
@@ -315,12 +315,12 @@ void KUNPENG_PMU::PerfSampler::ReadRingBuffer(EventData &eventData)
             }
             case PERF_RECORD_FORK: {
                 DBG_PRINT("Fork ptid: %d tid: %d\n", event->fork.pid, event->fork.tid);
-                eventData.metaData.push_back(*event);
+                eventData.metaData.push_back(event->sample);
                 UpdatePidInfo(event->fork.tid);
                 break;
             }
             case PERF_RECORD_COMM: {
-                eventData.metaData.push_back(*event);
+                eventData.metaData.push_back(event->sample);
                 UpdateCommInfo(event);
                 break;
             }