3 files changed, 7 insertions, 3 deletions
diff --git a/src/bp_sim.cpp b/src/bp_sim.cpp
index d35ae68a..f8dd20a1 100755
--- a/src/bp_sim.cpp
+++ b/src/bp_sim.cpp
@@ -3995,8 +3995,12 @@ bool CFlowGenListPerThread::set_stateless_next_node( CGenNodeStateless * cur_nod
 }
 
 
-void CFlowGenListPerThread::start_stateless_daemon(){
+void CFlowGenListPerThread::start_stateless_daemon(CPreviewMode &preview){
     m_cur_time_sec = 0;
+    /* set per thread global info, for performance */
+    m_preview_mode = preview;
+    m_node_gen.open_file("",&m_preview_mode);
+
     m_stateless_dp_info.start();
 }
 
diff --git a/src/bp_sim.h b/src/bp_sim.h
index be462a91..fcca2428 100755
--- a/src/bp_sim.h
+++ b/src/bp_sim.h
@@ -3456,7 +3456,7 @@ public :
 public:
     void Clean();
     void start_generate_stateful(std::string erf_file_name,CPreviewMode &preview);
-    void start_stateless_daemon();
+    void start_stateless_daemon(CPreviewMode &preview);
 
     void start_stateless_daemon_simulation();
 
diff --git a/src/main_dpdk.cpp b/src/main_dpdk.cpp
index 80739d35..b1c9ed12 100755
--- a/src/main_dpdk.cpp
+++ b/src/main_dpdk.cpp
@@ -4161,7 +4161,7 @@ int CGlobalTRex::run_in_core(virtual_thread_id_t virt_core_id){
     lpt = m_fl.m_threads_info[virt_core_id-1];
 
     if (get_is_stateless()) {
-        lpt->start_stateless_daemon();
+        lpt->start_stateless_daemon(*lp);
     }else{
         lpt->start_generate_stateful(CGlobalInfo::m_options.out_file,*lp);
     }