diff --git a/executables/nr-gnb.c b/executables/nr-gnb.c
index 6a914fc33e..a94db960c0 100644
--- a/executables/nr-gnb.c
+++ b/executables/nr-gnb.c
@@ -38,6 +38,7 @@
 #include "assertions.h"
 #include <common/utils/LOG/log.h>
 #include <common/utils/system.h>
+#include "rt_profiling.h"
 
 #include "PHY/types.h"
 
@@ -115,10 +116,17 @@ void tx_func(void *param) {
   int frame_tx = info->frame;
   int slot_tx = info->slot;
 
+  int absslot_tx = info->timestamp_tx/info->gNB->frame_parms.get_samples_per_slot(slot_tx,&info->gNB->frame_parms);
+  int absslot_rx = absslot_tx-info->gNB->RU_list[0]->sl_ahead;
+  int rt_prof_idx = absslot_rx % RT_PROF_DEPTH;
+
+  clock_gettime(CLOCK_MONOTONIC,&info->gNB->rt_L1_profiling.start_L1_TX[rt_prof_idx]);
   phy_procedures_gNB_TX(info,
                         frame_tx,
                         slot_tx,
                         1);
+  clock_gettime(CLOCK_MONOTONIC,&info->gNB->rt_L1_profiling.return_L1_TX[rt_prof_idx]);
+
 }
 
 void rx_func(void *param) {
@@ -130,6 +138,11 @@ void rx_func(void *param) {
   int slot_tx = info->slot_tx;
   nfapi_nr_config_request_scf_t *cfg = &gNB->gNB_config;
 
+  int absslot_tx = info->timestamp_tx/gNB->frame_parms.get_samples_per_slot(slot_rx,&gNB->frame_parms);
+  int absslot_rx = absslot_tx - gNB->RU_list[0]->sl_ahead;
+  int rt_prof_idx = absslot_rx % RT_PROF_DEPTH;
+
+  clock_gettime(CLOCK_MONOTONIC,&info->gNB->rt_L1_profiling.start_L1_RX[rt_prof_idx]);
   start_meas(&softmodem_stats_rxtx_sf);
 
   // *******************************************************************
@@ -229,6 +242,7 @@ void rx_func(void *param) {
 
   stop_meas( &softmodem_stats_rxtx_sf );
   LOG_D(PHY,"%s() Exit proc[rx:%d%d tx:%d%d]\n", __FUNCTION__, frame_rx, slot_rx, frame_tx, slot_tx);
+  clock_gettime(CLOCK_MONOTONIC,&info->gNB->rt_L1_profiling.return_L1_RX[rt_prof_idx]);
 
   // Call the scheduler
   start_meas(&gNB->ul_indication_stats);
diff --git a/executables/rt_profiling.h b/executables/rt_profiling.h
index ada628e419..e37c37bb1e 100644
--- a/executables/rt_profiling.h
+++ b/executables/rt_profiling.h
@@ -50,12 +50,14 @@ typedef struct {
 } rt_ru_profiling_t;
 
 typedef struct {
-   int absslot_rx[RT_PROF_DEPTH];
+   int absslot_ux[RT_PROF_DEPTH];
+   struct timespec start_L1_RX[RT_PROF_DEPTH];
    struct timespec return_L1_RX[RT_PROF_DEPTH];
+   struct timespec start_L1_TX[RT_PROF_DEPTH];
    struct timespec return_L1_TX[RT_PROF_DEPTH];
    struct timespec return_L1_prachrx[RT_PROF_DEPTH];
-   struct timespec return_L1_pushL1[RT_PROF_DEPTH];
-} rt_l1_profiling_t;
+   struct timespec return_L1_puschL1[RT_PROF_DEPTH];
+} rt_L1_profiling_t;
 #ifdef __cplusplus
 }
 #endif
diff --git a/openair1/PHY/defs_gNB.h b/openair1/PHY/defs_gNB.h
index 9ed6f50616..7001a7e4d6 100644
--- a/openair1/PHY/defs_gNB.h
+++ b/openair1/PHY/defs_gNB.h
@@ -42,6 +42,7 @@
 #include "PHY/defs_common.h"
 #include "PHY/CODING/nrLDPC_extern.h"
 #include "PHY/CODING/nrLDPC_decoder/nrLDPC_types.h"
+#include "executables/rt_profiling.h"
 
 #include "nfapi_nr_interface_scf.h"
 
@@ -908,6 +909,8 @@ typedef struct PHY_VARS_gNB_s {
   int number_of_nr_dlsch_max;
   int number_of_nr_ulsch_max;
   void * scopeData;
+  /// structure for analyzing high-level RT measurements
+  rt_L1_profiling_t rt_L1_profiling; 
 } PHY_VARS_gNB;
 
 typedef struct LDPCDecode_s {