diff --git a/services/audio_service/server/src/pa_renderer_stream_impl.cpp b/services/audio_service/server/src/pa_renderer_stream_impl.cpp
index 3d7b9374b6754098a8056bd173e488c16f3357f8..ca400ea4cc079f3b8f0a1c8cdfc7cf29d14868e4 100644
--- a/services/audio_service/server/src/pa_renderer_stream_impl.cpp
+++ b/services/audio_service/server/src/pa_renderer_stream_impl.cpp
@@ -221,6 +221,7 @@ int32_t PaRendererStreamImpl::Flush()
         AUDIO_ERR_LOG("Stream Flush Operation Failed");
         return ERR_OPERATION_FAILED;
     }
+    Trace trace("PaRendererStreamImpl::InitAudioEffectChainDynamic");
     AudioEffectChainManager::GetInstance()->InitAudioEffectChainDynamic(effectSceneName_);
     pa_operation_unref(operation);
     return SUCCESS;
diff --git a/services/audio_service/server/src/renderer_in_server.cpp b/services/audio_service/server/src/renderer_in_server.cpp
index 3f1e963bdbffdc5b0017c4dc6252d671c8085164..1b9e73064035e094938fbd691d3dade2fc49dcfc 100644
--- a/services/audio_service/server/src/renderer_in_server.cpp
+++ b/services/audio_service/server/src/renderer_in_server.cpp
@@ -700,6 +700,7 @@ int32_t RendererInServer::Pause()
 int32_t RendererInServer::Flush()
 {
     AUDIO_INFO_LOG("Flush.");
+    Trace trace(traceTag_ + " Flush");
     std::unique_lock<std::mutex> lock(statusLock_);
     if (status_ == I_STATUS_STARTED) {
         status_ = I_STATUS_FLUSHING_WHEN_STARTED;