openair2_proc.c 39.6 KB
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/*
 * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The OpenAirInterface Software Alliance licenses this file to You under
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 * the OAI Public License, Version 1.1  (the "License"); you may not use this file
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 * except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.openairinterface.org/?page_id=698
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *-------------------------------------------------------------------------------
 * For more information about the OpenAirInterface (OAI) Software Alliance:
 *      contact@openairinterface.org
 */
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/******************************************************************************
 \file openair2_proc
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# \brief print openair2 overall statistics
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# \author Navid Nikaein
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# \date 2013-2015
# \version 0.2
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# \email navid.nikaein@eurecom.fr
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# @ingroup _openair2
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*/

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#include <inttypes.h>
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#include "LAYER2/RLC/rlc.h"
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#include "LAYER2/MAC/mac.h"
#include "LAYER2/MAC/mac_extern.h"
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#include "LAYER2/PDCP_v10.1.0/pdcp.h"
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#include "common/utils/LOG/log.h"
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#include "common/ran_context.h"
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static mapping rrc_status_names[] = {
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    {"RRC_INACTIVE", 0},
    {"RRC_IDLE", 1},
    {"RRC_SI_RECEIVED",2},
    {"RRC_CONNECTED",3},
    {"RRC_RECONFIGURED",4},
    {"RRC_HO_EXECUTION",5},
    {NULL, -1}
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};

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extern RAN_CONTEXT_t RC;

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int dump_eNB_l2_stats(char *buffer, int length) {
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    int eNB_id,UE_id,number_of_cards;
    int len= length;
    int CC_id=0;
    int i;
    protocol_ctxt_t      ctxt;
    rlc_op_status_t rlc_status;
    unsigned int stat_rlc_mode;
    unsigned int stat_tx_pdcp_sdu;
    unsigned int stat_tx_pdcp_bytes;
    unsigned int stat_tx_pdcp_sdu_discarded;
    unsigned int stat_tx_pdcp_bytes_discarded;
    unsigned int stat_tx_data_pdu;
    unsigned int  stat_tx_data_bytes;
    unsigned int  stat_tx_retransmit_pdu_by_status;
    unsigned int  stat_tx_retransmit_bytes_by_status;
    unsigned int stat_tx_retransmit_pdu;
    unsigned int  stat_tx_retransmit_bytes;
    unsigned int  stat_tx_control_pdu;
    unsigned int  stat_tx_control_bytes;
    unsigned int  stat_rx_pdcp_sdu;
    unsigned int  stat_rx_pdcp_bytes;
    unsigned int  stat_rx_data_pdus_duplicate;
    unsigned int  stat_rx_data_bytes_duplicate;
    unsigned int  stat_rx_data_pdu;
    unsigned int  stat_rx_data_bytes;
    unsigned int  stat_rx_data_pdu_dropped;
    unsigned int  stat_rx_data_bytes_dropped;
    unsigned int  stat_rx_data_pdu_out_of_window;
    unsigned int  stat_rx_data_bytes_out_of_window;
    unsigned int  stat_rx_control_pdu;
    unsigned int  stat_rx_control_bytes;
    unsigned int  stat_timer_reordering_timed_out;
    unsigned int  stat_timer_poll_retransmit_timed_out;
    unsigned int  stat_timer_status_prohibit_timed_out;
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#ifdef EXMIMO
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    number_of_cards=1;
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#else
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    number_of_cards=NB_eNB_INST;
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#endif
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    eNB_MAC_INST *eNB;
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    UE_info_t *UE_info;
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    for (eNB_id=0; eNB_id<number_of_cards; eNB_id++) {
        /* reset the values */
        eNB = RC.mac[eNB_id];
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        UE_info = &eNB->UE_info;
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        for (CC_id=0 ; CC_id < MAX_NUM_CCs; CC_id++) {
            eNB->eNB_stats[CC_id].dlsch_bitrate= 0;
            len += sprintf(&buffer[len],"eNB %d CC %d Frame %d: Active UEs %d, Available PRBs %d, nCCE %d, Scheduling decisions %d, Missed Deadlines %d \n",
                           eNB_id, CC_id, eNB->frame,
                           eNB->eNB_stats[CC_id].num_dlactive_UEs,
                           eNB->eNB_stats[CC_id].available_prbs,
                           eNB->eNB_stats[CC_id].available_ncces,
                           eNB->eNB_stats[CC_id].sched_decisions,
                           eNB->eNB_stats[CC_id].missed_deadlines);
            len += sprintf(&buffer[len],"BCCH , NB_TX_MAC = %d, transmitted bytes (TTI %d, total %d) MCS (TTI %d)\n",
                           eNB->eNB_stats[CC_id].total_num_bcch_pdu,
                           eNB->eNB_stats[CC_id].bcch_buffer,
                           eNB->eNB_stats[CC_id].total_bcch_buffer,
                           eNB->eNB_stats[CC_id].bcch_mcs);
            len += sprintf(&buffer[len],"PCCH , NB_TX_MAC = %d, transmitted bytes (TTI %d, total %d) MCS (TTI %d)\n",
                           eNB->eNB_stats[CC_id].total_num_pcch_pdu,
                           eNB->eNB_stats[CC_id].pcch_buffer,
                           eNB->eNB_stats[CC_id].total_pcch_buffer,
                           eNB->eNB_stats[CC_id].pcch_mcs);
            eNB->eNB_stats[CC_id].dlsch_bitrate=((eNB->eNB_stats[CC_id].dlsch_bytes_tx*8)/((eNB->frame + 1)*10));
            eNB->eNB_stats[CC_id].total_dlsch_pdus_tx+=eNB->eNB_stats[CC_id].dlsch_pdus_tx;
            eNB->eNB_stats[CC_id].total_dlsch_bytes_tx+=eNB->eNB_stats[CC_id].dlsch_bytes_tx;
            eNB->eNB_stats[CC_id].total_dlsch_bitrate=((eNB->eNB_stats[CC_id].total_dlsch_bytes_tx*8)/((eNB->frame + 1)*10));
            eNB->eNB_stats[CC_id].ulsch_bitrate=((eNB->eNB_stats[CC_id].ulsch_bytes_rx*8)/((eNB->frame + 1)*10));
            eNB->eNB_stats[CC_id].total_ulsch_bitrate=((eNB->eNB_stats[CC_id].total_ulsch_bytes_rx*8)/((eNB->frame + 1)*10));
            len += sprintf(&buffer[len],"DLSCH bitrate (TTI %u, avg %u) kbps, Transmitted bytes (TTI %u, total %u), Transmitted PDU (TTI %u, total %u) \n",
                           eNB->eNB_stats[CC_id].dlsch_bitrate,
                           eNB->eNB_stats[CC_id].total_dlsch_bitrate,
                           eNB->eNB_stats[CC_id].dlsch_bytes_tx,
                           eNB->eNB_stats[CC_id].total_dlsch_bytes_tx,
                           eNB->eNB_stats[CC_id].dlsch_pdus_tx,
                           eNB->eNB_stats[CC_id].total_dlsch_pdus_tx);
            len += sprintf(&buffer[len],"ULSCH bitrate (TTI %u, avg %u) kbps, Received bytes (TTI %u, total %u), Received PDU (TTI %lu, total %u) \n",
                           eNB->eNB_stats[CC_id].ulsch_bitrate,
                           eNB->eNB_stats[CC_id].total_ulsch_bitrate,
                           eNB->eNB_stats[CC_id].ulsch_bytes_rx,
                           eNB->eNB_stats[CC_id].total_ulsch_bytes_rx,
                           eNB->eNB_stats[CC_id].ulsch_pdus_rx,
                           eNB->eNB_stats[CC_id].total_ulsch_pdus_rx);
        }

        len += sprintf(&buffer[len],"\n");

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        for (UE_id=UE_info->list.head; UE_id>=0; UE_id=UE_info->list.next[UE_id]) {
            for (i=0; i<UE_info->numactiveCCs[UE_id]; i++) {
                CC_id=UE_info->ordered_CCids[i][UE_id];
                UE_info->eNB_UE_stats[CC_id][UE_id].dlsch_bitrate=((UE_info->eNB_UE_stats[CC_id][UE_id].TBS*8)/((eNB->frame + 1)*10));
                UE_info->eNB_UE_stats[CC_id][UE_id].total_dlsch_bitrate= ((UE_info->eNB_UE_stats[CC_id][UE_id].total_pdu_bytes*8)/((eNB->frame + 1)*10));
                UE_info->eNB_UE_stats[CC_id][UE_id].total_overhead_bytes+=  UE_info->eNB_UE_stats[CC_id][UE_id].overhead_bytes;
                UE_info->eNB_UE_stats[CC_id][UE_id].avg_overhead_bytes=((UE_info->eNB_UE_stats[CC_id][UE_id].total_overhead_bytes*8)/((eNB->frame + 1)*10));
                UE_info->eNB_UE_stats[CC_id][UE_id].ulsch_bitrate=((UE_info->eNB_UE_stats[CC_id][UE_id].ulsch_TBS*8)/((eNB->frame + 1)*10));
                UE_info->eNB_UE_stats[CC_id][UE_id].total_ulsch_bitrate= ((UE_info->eNB_UE_stats[CC_id][UE_id].total_pdu_bytes_rx*8)/((eNB->frame + 1)*10));
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                len += sprintf(&buffer[len],"[MAC] UE %d (DLSCH),status %s, RNTI %x : CQI %d, MCS1 %d, MCS2 %d, RB (tx %d, retx %d, total %d), ncce (tx %d, retx %d) \n",
                               UE_id,
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                               map_int_to_str(rrc_status_names, UE_info->eNB_UE_stats[CC_id][UE_id].rrc_status),
                               UE_info->eNB_UE_stats[CC_id][UE_id].crnti,
                               UE_info->UE_sched_ctrl[UE_id].dl_cqi[CC_id],
                               UE_info->eNB_UE_stats[CC_id][UE_id].dlsch_mcs1,
                               UE_info->eNB_UE_stats[CC_id][UE_id].dlsch_mcs2,
                               UE_info->eNB_UE_stats[CC_id][UE_id].rbs_used,
                               UE_info->eNB_UE_stats[CC_id][UE_id].rbs_used_retx,
                               UE_info->eNB_UE_stats[CC_id][UE_id].total_rbs_used,
                               UE_info->eNB_UE_stats[CC_id][UE_id].ncce_used,
                               UE_info->eNB_UE_stats[CC_id][UE_id].ncce_used_retx
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                              );
                len += sprintf(&buffer[len],
                               "[MAC] DLSCH bitrate (TTI %d, avg %d), Transmitted bytes "
                               "(TTI %d, total %"PRIu64"), Total Transmitted PDU %d, Overhead "
                               "(TTI %"PRIu64", total %"PRIu64", avg %"PRIu64")\n",
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                               UE_info->eNB_UE_stats[CC_id][UE_id].dlsch_bitrate,
                               UE_info->eNB_UE_stats[CC_id][UE_id].total_dlsch_bitrate,
                               UE_info->eNB_UE_stats[CC_id][UE_id].TBS,
                               UE_info->eNB_UE_stats[CC_id][UE_id].total_pdu_bytes,
                               UE_info->eNB_UE_stats[CC_id][UE_id].total_num_pdus,
                               UE_info->eNB_UE_stats[CC_id][UE_id].overhead_bytes,
                               UE_info->eNB_UE_stats[CC_id][UE_id].total_overhead_bytes,
                               UE_info->eNB_UE_stats[CC_id][UE_id].avg_overhead_bytes
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                              );
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                len += sprintf(&buffer[len],"[MAC] UE %d (ULSCH), Status %s, Failute timer %d, RNTI %x : snr (%d,  target %d), MCS (pre %d, post %d), RB (rx %d, retx %d, total %d), Current TBS %d \n",
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                               UE_id,
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                               map_int_to_str(rrc_status_names, UE_info->eNB_UE_stats[CC_id][UE_id].rrc_status),
                               UE_info->UE_sched_ctrl[UE_id].ul_failure_timer,
                               UE_info->eNB_UE_stats[CC_id][UE_id].crnti,
                               UE_info->eNB_UE_stats[CC_id][UE_id].snr,
                               UE_info->eNB_UE_stats[CC_id][UE_id].target_snr,
                               UE_info->eNB_UE_stats[CC_id][UE_id].ulsch_mcs1,
                               UE_info->eNB_UE_stats[CC_id][UE_id].ulsch_mcs2,
                               UE_info->eNB_UE_stats[CC_id][UE_id].rbs_used_rx,
                               UE_info->eNB_UE_stats[CC_id][UE_id].rbs_used_retx_rx,
                               UE_info->eNB_UE_stats[CC_id][UE_id].total_rbs_used_rx,
                               UE_info->eNB_UE_stats[CC_id][UE_id].ulsch_TBS
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                              );
                len += sprintf(&buffer[len],
                               "[MAC] ULSCH bitrate (TTI %d, avg %d), received bytes (total %"PRIu64"),"
                               "Total received PDU %d, Total errors %d\n",
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                               UE_info->eNB_UE_stats[CC_id][UE_id].ulsch_bitrate,
                               UE_info->eNB_UE_stats[CC_id][UE_id].total_ulsch_bitrate,
                               UE_info->eNB_UE_stats[CC_id][UE_id].total_pdu_bytes_rx,
                               UE_info->eNB_UE_stats[CC_id][UE_id].total_num_pdus_rx,
                               UE_info->eNB_UE_stats[CC_id][UE_id].num_errors_rx);
                len+= sprintf(&buffer[len],"[MAC] Received PHR PH = %d (db)\n", UE_info->UE_template[CC_id][UE_id].phr_info);
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                len+= sprintf(&buffer[len],"[MAC] Estimated size LCGID[0][1][2][3] = %u %u %u %u\n",
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                              UE_info->UE_template[CC_id][UE_id].ul_buffer_info[LCGID0],
                              UE_info->UE_template[CC_id][UE_id].ul_buffer_info[LCGID1],
                              UE_info->UE_template[CC_id][UE_id].ul_buffer_info[LCGID2],
                              UE_info->UE_template[CC_id][UE_id].ul_buffer_info[LCGID3]
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                             );
            }

            PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt,
                                           eNB_id,
                                           ENB_FLAG_YES,
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                                           UE_info->eNB_UE_stats[0][UE_id].crnti,//UE_PCCID(eNB_id,UE_id)][UE_id].crnti,
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                                           eNB->frame,
                                           eNB->subframe,
                                           eNB_id);
            rlc_status = rlc_stat_req(&ctxt,
                                      SRB_FLAG_YES,
                                      DCCH,
                                      &stat_rlc_mode,
                                      &stat_tx_pdcp_sdu,
                                      &stat_tx_pdcp_bytes,
                                      &stat_tx_pdcp_sdu_discarded,
                                      &stat_tx_pdcp_bytes_discarded,
                                      &stat_tx_data_pdu,
                                      &stat_tx_data_bytes,
                                      &stat_tx_retransmit_pdu_by_status,
                                      &stat_tx_retransmit_bytes_by_status,
                                      &stat_tx_retransmit_pdu,
                                      &stat_tx_retransmit_bytes,
                                      &stat_tx_control_pdu,
                                      &stat_tx_control_bytes,
                                      &stat_rx_pdcp_sdu,
                                      &stat_rx_pdcp_bytes,
                                      &stat_rx_data_pdus_duplicate,
                                      &stat_rx_data_bytes_duplicate,
                                      &stat_rx_data_pdu,
                                      &stat_rx_data_bytes,
                                      &stat_rx_data_pdu_dropped,
                                      &stat_rx_data_bytes_dropped,
                                      &stat_rx_data_pdu_out_of_window,
                                      &stat_rx_data_bytes_out_of_window,
                                      &stat_rx_control_pdu,
                                      &stat_rx_control_bytes,
                                      &stat_timer_reordering_timed_out,
                                      &stat_timer_poll_retransmit_timed_out,
                                      &stat_timer_status_prohibit_timed_out);

            if (rlc_status == RLC_OP_STATUS_OK) {
                len+=sprintf(&buffer[len],"[RLC] DCCH Mode %s, NB_SDU_TO_TX = %u (bytes %u)\tNB_SDU_TO_TX_DISC %u (bytes %u)\n",
                             (stat_rlc_mode==RLC_MODE_AM)? "AM": (stat_rlc_mode==RLC_MODE_UM)?"UM":"NONE",
                             stat_tx_pdcp_sdu,
                             stat_tx_pdcp_bytes,
                             stat_tx_pdcp_sdu_discarded,
                             stat_tx_pdcp_bytes_discarded);
                len+=sprintf(&buffer[len],"[RLC] DCCH Mode %s, NB_TX_DATA   = %u (bytes %u)\tNB_TX_CONTROL %u (bytes %u)\tNB_TX_RETX %u (bytes %u)\tNB_TX_RETX_BY_STATUS = %u (bytes %u)\n",
                             (stat_rlc_mode==RLC_MODE_AM)? "AM": (stat_rlc_mode==RLC_MODE_UM)?"UM":"NONE",
                             stat_tx_data_pdu,
                             stat_tx_data_bytes,
                             stat_tx_control_pdu,
                             stat_tx_control_bytes,
                             stat_tx_retransmit_pdu,
                             stat_tx_retransmit_bytes,
                             stat_tx_retransmit_pdu_by_status,
                             stat_tx_retransmit_bytes_by_status);
                len+=sprintf(&buffer[len],"[RLC] DCCH Mode %s, NB_RX_DATA   = %u (bytes %u)\tNB_RX_CONTROL %u (bytes %u)\tNB_RX_DUPL %u (bytes %u)\tNB_RX_DROP = %u (bytes %u)\tNB_RX_OUT_OF_WINDOW = %u (bytes %u)\n",
                             (stat_rlc_mode==RLC_MODE_AM)? "AM": (stat_rlc_mode==RLC_MODE_UM)?"UM":"NONE",
                             stat_rx_data_pdu,
                             stat_rx_data_bytes,
                             stat_rx_control_pdu,
                             stat_rx_control_bytes,
                             stat_rx_data_pdus_duplicate,
                             stat_rx_data_bytes_duplicate,
                             stat_rx_data_pdu_dropped,
                             stat_rx_data_bytes_dropped,
                             stat_rx_data_pdu_out_of_window,
                             stat_rx_data_bytes_out_of_window);
                len+=sprintf(&buffer[len],"[RLC] DCCH Mode %s, RX_REODERING_TIMEOUT = %u\tRX_POLL_RET_TIMEOUT %u\tRX_PROHIBIT_TIME_OUT %u\n",
                             (stat_rlc_mode==RLC_MODE_AM)? "AM": (stat_rlc_mode==RLC_MODE_UM)?"UM":"NONE",
                             stat_timer_reordering_timed_out,
                             stat_timer_poll_retransmit_timed_out,
                             stat_timer_status_prohibit_timed_out);
                len+=sprintf(&buffer[len],"[RLC] DCCH Mode %s, NB_SDU_TO_RX = %u (bytes %u)\n",
                             (stat_rlc_mode==RLC_MODE_AM)? "AM": (stat_rlc_mode==RLC_MODE_UM)?"UM":"NONE",
                             stat_rx_pdcp_sdu,
                             stat_rx_pdcp_bytes);
            }
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            rlc_status = rlc_stat_req(&ctxt,
                                      SRB_FLAG_NO,
                                      DTCH-2, // DRB_IDENTITY
                                      &stat_rlc_mode,
                                      &stat_tx_pdcp_sdu,
                                      &stat_tx_pdcp_bytes,
                                      &stat_tx_pdcp_sdu_discarded,
                                      &stat_tx_pdcp_bytes_discarded,
                                      &stat_tx_data_pdu,
                                      &stat_tx_data_bytes,
                                      &stat_tx_retransmit_pdu_by_status,
                                      &stat_tx_retransmit_bytes_by_status,
                                      &stat_tx_retransmit_pdu,
                                      &stat_tx_retransmit_bytes,
                                      &stat_tx_control_pdu,
                                      &stat_tx_control_bytes,
                                      &stat_rx_pdcp_sdu,
                                      &stat_rx_pdcp_bytes,
                                      &stat_rx_data_pdus_duplicate,
                                      &stat_rx_data_bytes_duplicate,
                                      &stat_rx_data_pdu,
                                      &stat_rx_data_bytes,
                                      &stat_rx_data_pdu_dropped,
                                      &stat_rx_data_bytes_dropped,
                                      &stat_rx_data_pdu_out_of_window,
                                      &stat_rx_data_bytes_out_of_window,
                                      &stat_rx_control_pdu,
                                      &stat_rx_control_bytes,
                                      &stat_timer_reordering_timed_out,
                                      &stat_timer_poll_retransmit_timed_out,
                                      &stat_timer_status_prohibit_timed_out);

            if (rlc_status == RLC_OP_STATUS_OK) {
                len+=sprintf(&buffer[len],"[RLC] DTCH Mode %s, NB_SDU_TO_TX = %u (bytes %u)\tNB_SDU_TO_TX_DISC %u (bytes %u)\n",
                             (stat_rlc_mode==RLC_MODE_AM)? "AM": (stat_rlc_mode==RLC_MODE_UM)?"UM":"NONE",
                             stat_tx_pdcp_sdu,
                             stat_tx_pdcp_bytes,
                             stat_tx_pdcp_sdu_discarded,
                             stat_tx_pdcp_bytes_discarded);
                len+=sprintf(&buffer[len],"[RLC] DTCH Mode %s, NB_TX_DATA   = %u (bytes %u)\tNB_TX_CONTROL %u (bytes %u)\tNB_TX_RETX %u (bytes %u)\tNB_TX_RETX_BY_STATUS = %u (bytes %u)\n",
                             (stat_rlc_mode==RLC_MODE_AM)? "AM": (stat_rlc_mode==RLC_MODE_UM)?"UM":"NONE",
                             stat_tx_data_pdu,
                             stat_tx_data_bytes,
                             stat_tx_control_pdu,
                             stat_tx_control_bytes,
                             stat_tx_retransmit_pdu,
                             stat_tx_retransmit_bytes,
                             stat_tx_retransmit_pdu_by_status,
                             stat_tx_retransmit_bytes_by_status);
                len+=sprintf(&buffer[len],"[RLC] DTCH Mode %s, NB_RX_DATA   = %u (bytes %u)\tNB_RX_CONTROL %u (bytes %u)\tNB_RX_DUPL %u (bytes %u)\tNB_RX_DROP = %u (bytes %u)\tNB_RX_OUT_OF_WINDOW = %u (bytes %u)\n",
                             (stat_rlc_mode==RLC_MODE_AM)? "AM": (stat_rlc_mode==RLC_MODE_UM)?"UM":"NONE",
                             stat_rx_data_pdu,
                             stat_rx_data_bytes,
                             stat_rx_control_pdu,
                             stat_rx_control_bytes,
                             stat_rx_data_pdus_duplicate,
                             stat_rx_data_bytes_duplicate,
                             stat_rx_data_pdu_dropped,
                             stat_rx_data_bytes_dropped,
                             stat_rx_data_pdu_out_of_window,
                             stat_rx_data_bytes_out_of_window);
                len+=sprintf(&buffer[len],"[RLC] DTCH Mode %s, RX_REODERING_TIMEOUT = %u\tRX_POLL_RET_TIMEOUT %u\tRX_PROHIBIT_TIME_OUT %u\n",
                             (stat_rlc_mode==RLC_MODE_AM)? "AM": (stat_rlc_mode==RLC_MODE_UM)?"UM":"NONE",
                             stat_timer_reordering_timed_out,
                             stat_timer_poll_retransmit_timed_out,
                             stat_timer_status_prohibit_timed_out);
                len+=sprintf(&buffer[len],"[RLC] DTCH Mode %s, NB_SDU_TO_RX = %u (bytes %u)\n",
                             (stat_rlc_mode==RLC_MODE_AM)? "AM": (stat_rlc_mode==RLC_MODE_UM)?"UM":"NONE",
                             stat_rx_pdcp_sdu,
                             stat_rx_pdcp_bytes);
            }
        }
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    }
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    return len + 1 /* SR: for trailing \0 */;
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}
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#ifdef PROC
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int openair2_stats_read(char *buffer, char **my_buffer, off_t off, int length) {
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    int len = 0,fg,Overhead, Sign;
    unsigned int i,j,k,kk;
    unsigned int Mod_id = 0,CH_index;
    unsigned int tx_pdcp_sdu;
    unsigned int tx_pdcp_sdu_discarded;
    unsigned int tx_retransmit_pdu_unblock;
    unsigned int tx_retransmit_pdu_by_status;
    unsigned int tx_retransmit_pdu;
    unsigned int tx_data_pdu;
    unsigned int tx_control_pdu;
    unsigned int rx_sdu;
    unsigned int rx_error_pdu;
    unsigned int rx_data_pdu;
    unsigned int rx_data_pdu_out_of_window;
    unsigned int rx_control_pdu;

    //    if (mac_xface->is_cluster_head == 0) {
    for (k=0; k<NB_INST; k++) {
        if (Mac_rlc_xface->Is_cluster_head[k] == 0) {
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#ifndef PHY_EMUL_ONE_MACHINE
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            Mod_id=k-NB_CH_INST;
            len+=sprintf(&buffer[len],"UE TTI: %d\n",Mac_rlc_xface->frame);

            for (CH_index = 0; CH_index<NB_CNX_UE; CH_index++) {
                if (UE_mac_inst[Mod_id].Dcch_lchan[CH_index].Active==1) {
                    len+=sprintf(&buffer[len],"CH %u: Wideband SINR %d dB---\n",
                                 CH_index,UE_mac_inst[Mod_id].Def_meas[CH_index].Wideband_sinr);
                    len+=sprintf(&buffer[len],"CH %u: Subband SINR (dB) :",
                                 CH_index);

                    for (fg=0; fg<NUMBER_OF_MEASUREMENT_SUBBANDS; fg++) {
                        len+=sprintf(&buffer[len],"%d ",UE_mac_inst[Mod_id].Def_meas[CH_index].Sinr_meas[0][fg]);
                    }

                    len+=sprintf(&buffer[len],"\n");
                    len+=sprintf(&buffer[len],"BCCH %d, NB_RX_MAC = %d (%d errors)\n",
                                 UE_mac_inst[Mod_id].Bcch_lchan[CH_index].Lchan_info.Lchan_id.Index,
                                 UE_mac_inst[Mod_id].Bcch_lchan[CH_index].Lchan_info.NB_RX,
                                 UE_mac_inst[Mod_id].Bcch_lchan[CH_index].Lchan_info.NB_RX_ERRORS);
                    len+=sprintf(&buffer[len],"CCCH %d, NB_RX_MAC = %d (%d errors)\n",
                                 UE_mac_inst[Mod_id].Ccch_lchan[CH_index].Lchan_info.Lchan_id.Index,
                                 UE_mac_inst[Mod_id].Ccch_lchan[CH_index].Lchan_info.NB_RX,
                                 UE_mac_inst[Mod_id].Ccch_lchan[CH_index].Lchan_info.NB_RX_ERRORS);
                    len+=sprintf(&buffer[len],"LCHAN %d (DCCH), NB_TX_MAC = %d (%d bits/TTI, %d kbits/sec), NB_RX_MAC = %d (%d errors)\n",
                                 UE_mac_inst[Mod_id].Dcch_lchan[CH_index].Lchan_info.Lchan_id.Index,
                                 UE_mac_inst[Mod_id].Dcch_lchan[CH_index].Lchan_info.NB_TX,
                                 UE_mac_inst[Mod_id].Dcch_lchan[CH_index].Lchan_info.output_rate,
                                 (10*UE_mac_inst[Mod_id].Dcch_lchan[CH_index].Lchan_info.output_rate)>>5,
                                 UE_mac_inst[Mod_id].Dcch_lchan[CH_index].Lchan_info.NB_RX,
                                 UE_mac_inst[Mod_id].Dcch_lchan[CH_index].Lchan_info.NB_RX_ERRORS);

                    for(i=1; i<NB_RAB_MAX; i++) {
                        if (UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Active==1) {
                            Overhead=UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.output_rate - Pdcp_stats_tx_rate[k][CH_index][i];

                            if(Overhead<0) {
                                Overhead=-Overhead;
                                Sign=-1;
                            } else {
                                Sign=1;
                            }

                            len+=sprintf(&buffer[len],
                                         "[PDCP]LCHAN %d: NB_TX = %d ,Tx_rate =(%d bits/TTI ,%d Kbits/s), NB_RX = %d ,Rx_rate =(%d bits/TTI ,%d Kbits/s) , LAYER2 TX OVERHEAD: %d Kbits/s\n",
                                         UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.Lchan_id.Index,
                                         Pdcp_stats_tx[k][CH_index][i],
                                         Pdcp_stats_tx_rate[k][CH_index][i],
                                         (10*Pdcp_stats_tx_rate[k][CH_index][i])>>5,
                                         Pdcp_stats_rx[k][CH_index][i],
                                         Pdcp_stats_rx_rate[k][CH_index][i],
                                         (10*Pdcp_stats_rx_rate[k][CH_index][i])>>5,
                                         Sign*(10*Overhead)>>5);
                            int status =  rlc_stat_req     (k,
                                                            UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.Lchan_id.Index,
                                                            &tx_pdcp_sdu,
                                                            &tx_pdcp_sdu_discarded,
                                                            &tx_retransmit_pdu_unblock,
                                                            &tx_retransmit_pdu_by_status,
                                                            &tx_retransmit_pdu,
                                                            &tx_data_pdu,
                                                            &tx_control_pdu,
                                                            &rx_sdu,
                                                            &rx_error_pdu,
                                                            &rx_data_pdu,
                                                            &rx_data_pdu_out_of_window,
                                                            &rx_control_pdu) ;

                            if (status == RLC_OP_STATUS_OK) {
                                len+=sprintf(&buffer[len],"RLC LCHAN %d, NB_SDU_TO_TX = %u\tNB_SDU_DISC %u\tNB_RX_SDU %u\n",
                                             UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.Lchan_id.Index,
                                             tx_pdcp_sdu,
                                             tx_pdcp_sdu_discarded,
                                             rx_sdu);
                                len+=sprintf(&buffer[len],"RLC LCHAN %d, NB_TB_TX_DATA = %u\tNB_TB_TX_CONTROL %u\tNB_TX_TB_RETRANS %u",
                                             UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.Lchan_id.Index,
                                             tx_data_pdu,
                                             tx_control_pdu,
                                             tx_retransmit_pdu);
                                len+=sprintf(&buffer[len],"\tRLC LCHAN %d, NB_TX_TB_RETRANS_BY_STATUS = %u\tNB_TX_TB_RETRANS_PADD %u\n",
                                             UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.Lchan_id.Index,
                                             tx_retransmit_pdu_by_status,
                                             tx_retransmit_pdu_unblock);
                                len+=sprintf(&buffer[len],"RLC LCHAN %d, NB_RX_DATA = %u\tNB_RX_TB_OUT_WIN %u\tNB_RX_TB_CORRUPT %u\n",
                                             UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.Lchan_id.Index,
                                             rx_data_pdu,
                                             rx_data_pdu_out_of_window,
                                             rx_error_pdu);
                            }

                            len+=sprintf(&buffer[len],"[MAC]: LCHAN %d, NB_TX_MAC = %d (%d bits/TTI, %d kbits/s), NB_RX_MAC = %d (%d errors)\n",
                                         UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.Lchan_id.Index,
                                         UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.NB_TX,
                                         UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.output_rate,
                                         (10*UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.output_rate)>>5,
                                         UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.NB_RX,
                                         UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.NB_RX_ERRORS);
                            len+=sprintf(&buffer[len],"        TX per TB: ");

                            for(kk=0; kk<MAX_NUMBER_TB_PER_LCHAN/2; kk++) {
                                len+=sprintf(&buffer[len],"%d . ",UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.NB_TX_TB[kk]);
                            }

                            len+=sprintf(&buffer[len],"\n");
                            len+=sprintf(&buffer[len],"        RXerr per TB: ");

                            for(kk=0; kk<MAX_NUMBER_TB_PER_LCHAN/2; kk++)
                                len+=sprintf(&buffer[len],"%d/%d . ",UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.NB_RX_ERRORS_TB[kk],
                                             UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.NB_RX_TB[kk]);

                            len+=sprintf(&buffer[len],"\n");
                        }
                    }
                }
            }

#endif //PHY_EMUL_ONE_MACHINE
        } else if(Mac_rlc_xface->Is_cluster_head[k] ==1) {
            Mod_id=k;
            len+=sprintf(&buffer[len],
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                         "------------------------------------------------------------------- TTI: %d------------------------------------------------------------------\n",
                         Mac_rlc_xface->frame);
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            for(i=1; i<=NB_CNX_CH; i++) {
                if (CH_mac_inst[Mod_id].Dcch_lchan[i].Active==1) {
                    len+=sprintf(&buffer[len],"\nMR index %u: DL SINR (feedback) %d dB, CQI: %s\n\n",
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                                 i,//CH_rrc_inst[Mod_id].Info.UE_info[i].L2_id[0],
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                                 CH_mac_inst[Mod_id].Def_meas[i].Wideband_sinr,
                                 print_cqi(CH_mac_inst[Mod_id].Def_meas[i].cqi));
                    len+=sprintf(&buffer[len],
                                 "[MAC] LCHAN %d (DCCH), NB_TX_MAC= %d (%d bits/TTI, %d kbits/s), NB_RX_MAC= %d (errors %d, sacch errors %d, sach errors %d, sach_missing %d)\n\n",
                                 CH_mac_inst[Mod_id].Dcch_lchan[i].Lchan_info.Lchan_id.Index,
                                 CH_mac_inst[Mod_id].Dcch_lchan[i].Lchan_info.NB_TX,
                                 CH_mac_inst[Mod_id].Dcch_lchan[i].Lchan_info.output_rate,
                                 (10*CH_mac_inst[Mod_id].Dcch_lchan[i].Lchan_info.output_rate)>>5,
                                 CH_mac_inst[Mod_id].Dcch_lchan[i].Lchan_info.NB_RX,
                                 CH_mac_inst[Mod_id].Dcch_lchan[i].Lchan_info.NB_RX_ERRORS,
                                 CH_mac_inst[Mod_id].Dcch_lchan[i].Lchan_info.NB_RX_SACCH_ERRORS,
                                 CH_mac_inst[Mod_id].Dcch_lchan[i].Lchan_info.NB_RX_SACH_ERRORS,
                                 CH_mac_inst[Mod_id].Dcch_lchan[i].Lchan_info.NB_RX_SACH_MISSING);

                    for(j=0; j<NB_RAB_MAX; j++) {
                        if (CH_mac_inst[Mod_id].Dtch_lchan[j][i].Active==1) {
                            Overhead=CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.output_rate - Pdcp_stats_tx_rate[k][i][j];

                            if(Overhead<0) {
                                Overhead=-Overhead;
                                Sign=-1;
                            } else {
                                Sign=1;
                            }

                            len+=sprintf(&buffer[len],
                                         "[PDCP]LCHAN %d: NB_TX = %d ,Tx_rate =(%d bits/TTI ,%d Kbits/s), NB_RX = %d ,Rx_rate =(%d bits/TTI ,%d Kbits/s), LAYER2 TX OVERHEAD= %d Kbits/s\n",
                                         CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Lchan_id.Index,
                                         Pdcp_stats_tx[k][i][j],
                                         Pdcp_stats_tx_rate[k][i][j],
                                         (10*Pdcp_stats_tx_rate[k][i][j])>>5,
                                         Pdcp_stats_rx[k][i][j],
                                         Pdcp_stats_rx_rate[k][i][j],
                                         (10*Pdcp_stats_rx_rate[k][i][j])>>5,
                                         Sign*(10*Overhead)>>5);
                            int status =  rlc_stat_req     (k,
                                                            CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Lchan_id.Index,
                                                            &tx_pdcp_sdu,
                                                            &tx_pdcp_sdu_discarded,
                                                            &tx_retransmit_pdu_unblock,
                                                            &tx_retransmit_pdu_by_status,
                                                            &tx_retransmit_pdu,
                                                            &tx_data_pdu,
                                                            &tx_control_pdu,
                                                            &rx_sdu,
                                                            &rx_error_pdu,
                                                            &rx_data_pdu,
                                                            &rx_data_pdu_out_of_window,
                                                            &rx_control_pdu) ;
                            /*
                            if (status == RLC_OP_STATUS_OK) {
                            len+=sprintf(&buffer[len],"\t[RLC] LCHAN %d, NB_SDU_TO_TX = %d\tNB_SDU_DISC %d\tNB_RX_SDU %d\n",
                                CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Lchan_id.Index,
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                             tx_pdcp_sdu,
                             tx_pdcp_sdu_discarded,
                             rx_sdu);
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                            len+=sprintf(&buffer[len],"\t[RLC] LCHAN %d, NB_TB_TX_DATA = %d\tNB_TB_TX_CONTROL %d\tNB_TX_TB_RETRANS %\n",
                                CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Lchan_id.Index,
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                             tx_data_pdu,
                             tx_control_pdu,
                             tx_retransmit_pdu);
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                            len+=sprintf(&buffer[len],"\t[RLC] LCHAN %d, NB_TX_TB_RETRANS_BY_STATUS = %d\tNB_TX_TB_RETRANS_PADD %d\n",
                                CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Lchan_id.Index,
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                             tx_retransmit_pdu_by_status,
                             tx_retransmit_pdu_unblock);
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                            len+=sprintf(&buffer[len],"\t[RLC] LCHAN %d, NB_RX_DATA = %d\tNB_RX_TB_OUT_WIN %d\tNB_RX_TB_CORRUPT %d\n",
                                CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Lchan_id.Index,
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                             rx_data_pdu,
                             rx_data_pdu_out_of_window,
                             rx_error_pdu);
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                            }
                            */
                            len+=sprintf(&buffer[len],
                                         "[MAC]LCHAN %d (CNX %u,RAB %u), NB_TX_MAC= %d (%d bits/TTI, %d kbit/s), NB_RX_MAC= %d (errors %d, sacch_errors %d, sach_errors %d, sach_missing %d)\n",
                                         CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Lchan_id.Index,
                                         i,j,
                                         CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.NB_TX,
                                         CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.output_rate,
                                         (10*CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.output_rate)>>5,
                                         CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.NB_RX,
                                         CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.NB_RX_ERRORS,
                                         CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.NB_RX_SACCH_ERRORS,
                                         CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.NB_RX_SACH_ERRORS,
                                         CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.NB_RX_SACH_MISSING);
                            len+=sprintf(&buffer[len],"[MAC][SCHEDULER] TX Arrival Rate %d, TX Service Rate %d, RX Arrival rate %d, RX Service rate %d, NB_BW_REQ_RX %d\n\n",
                                         CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Arrival_rate,
                                         CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Tx_rate,
                                         CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Req_rate,
                                         CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Rx_rate,
                                         CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.NB_BW_REQ_RX);
                            /*
                                    len+=sprintf(&buffer[len],"        TX per TB: ");
                                    for(kk=0;kk<MAX_NUMBER_TB_PER_LCHAN/2;kk++)
                                len+=sprintf(&buffer[len],"%d.",CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.NB_TX_TB[kk]);
                                    len+=sprintf(&buffer[len],"\n");
                                    len+=sprintf(&buffer[len],"        RXerr per TB: ");
                                    for(kk=0;kk<MAX_NUMBER_TB_PER_LCHAN/2;kk++)
                                len+=sprintf(&buffer[len],"%d/%d . ",CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.NB_RX_ERRORS_TB[kk],
                                       CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.NB_RX_TB[kk]);
                                    len+=sprintf(&buffer[len],"\n");
                            */
                        }
                    }
                }
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            }
        }
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    }
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    return len;
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}

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#endif
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