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Resolve memory issues in nr_prachsim

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Except for config module and dlopen()
This commit is contained in:
Robert Schmidt
2022-02-21 13:36:41 +01:00
parent dcae857463
commit 51625f3c8f
3 changed files with 49 additions and 20 deletions
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openair1/PHY/INIT/nr_init_ru.c
+18 -16
View File
@@ -174,17 +174,13 @@ void nr_phy_free_RU(RU_t *ru)
LOG_I(PHY, "Feeing RU signal buffers (if_south %s) nb_tx %d\n", ru_if_types[ru->if_south], ru->nb_tx);
free_and_zero(ru->nr_frame_parms);
free_and_zero(ru->frame_parms);
if (ru->if_south <= REMOTE_IF5) { // this means REMOTE_IF5 or LOCAL_RF, so free memory for time-domain signals
int32_t *ptr;
for (i = 0; i < ru->nb_tx; i++) {
ptr=&ru->common.txdata[i][-ru->sf_extension];
free_and_zero(ptr);
}
for (i = 0; i < ru->nb_rx; i++) free_and_zero(ru->common.rxdata[i]);
for (i = 0; i < ru->nb_tx; i++)
free_and_zero(ru->common.txdata[i]);
free_and_zero(ru->common.txdata);
for (i = 0; i < ru->nb_rx; i++)
free_and_zero(ru->common.rxdata[i]);
free_and_zero(ru->common.rxdata);
} // else: IF5 or local RF -> nothing to free()
@@ -193,7 +189,7 @@ void nr_phy_free_RU(RU_t *ru)
free_and_zero(ru->common.rxdata_7_5kHz);
// free beamforming input buffers (TX)
for (i = 0; i < 15; i++) free_and_zero(ru->common.txdataF[i]);
for (i = 0; i < ru->nb_tx; i++) free_and_zero(ru->common.txdataF[i]);
free_and_zero(ru->common.txdataF);
// free IFFT input buffers (TX)
@@ -205,15 +201,21 @@ void nr_phy_free_RU(RU_t *ru)
free_and_zero(ru->common.rxdataF);
for (j=0;j<NUMBER_OF_NR_RU_PRACH_OCCASIONS_MAX;j++) {
for (i = 0; i < ru->nb_rx; i++) {
for (i = 0; i < ru->nb_rx; i++)
free_and_zero(ru->prach_rxsigF[j][i]);
}
free_and_zero(ru->prach_rxsigF[j]);
}
for (i = 0; i < ru->num_gNB; i++) {
for (p = 0; p < 15; p++) {
for (j=0; j<ru->nb_tx; j++) free_and_zero(ru->beam_weights[i][p][j]);
free_and_zero(ru->beam_weights[i][p]);
if (ru->do_precoding == 1) {
for (i = 0; i < ru->num_gNB; i++) {
for (p = 0; p < ru->nb_log_antennas; p++) {
for (j=0; j<ru->nb_tx; j++) free_and_zero(ru->beam_weights[i][p][j]);
free_and_zero(ru->beam_weights[i][p]);
}
}
for(i=0; i< ru->nb_tx; ++i)
free_and_zero(ru->common.beam_id[i]);
free_and_zero(ru->common.beam_id);
}
}
free_and_zero(ru->common.sync_corr);
openair1/SCHED_NR/sched_nr.h
+1
View File
@@ -54,5 +54,6 @@ void nr_fep_full(RU_t *ru, int slot);
void nr_fep_full_2thread(RU_t *ru, int slot);
void feptx_prec(RU_t *ru,int frame_tx,int tti_tx);
int nr_phy_init_RU(RU_t *ru);
void nr_phy_free_RU(RU_t *ru);
#endif
openair1/SIMULATION/NR_PHY/prachsim.c
+30 -4
View File
@@ -25,6 +25,7 @@
#include <pthread.h>
#include "common/config/config_userapi.h"
#include "common/utils/load_module_shlib.h"
#include "common/utils/LOG/log.h"
#include "common/ran_context.h"
@@ -662,7 +663,6 @@ int main(int argc, char **argv){
RC.nb_nr_L1_inst=1;
phy_init_nr_gNB(gNB,0,1); //lowmem
nr_phy_init_RU(ru);
gNB->common_vars.rxdata = ru->common.rxdata;
set_tdd_config_nr(&gNB->gNB_config, mu, 7, 6, 2, 4);
// Configure UE
@@ -781,7 +781,7 @@ int main(int argc, char **argv){
// multipath channel
// dump_nr_prach_config(&gNB->frame_parms,subframe);
for (i = 0; i < frame_parms->samples_per_subframe<<1; i++) {
for (i = 0; i < frame_parms->samples_per_subframe; i++) {
for (aa=0; aa<1; aa++) {
if (awgn_flag == 0) {
s_re[aa][i] = ((double)(((short *)&txdata[aa][prach_start]))[(i<<1)]);
@@ -879,7 +879,8 @@ int main(int argc, char **argv){
rx_nr_prach_ru(ru, prach_format, numRA, prachStartSymbol, prachOccasion, frame, slot);
gNB->prach_vars.rxsigF = ru->prach_rxsigF[prachOccasion];
for (int i = 0; i < ru->nb_rx; ++i)
gNB->prach_vars.rxsigF[i] = ru->prach_rxsigF[prachOccasion][i];
if (n_frames == 1) printf("ncs %d,num_seq %d\n",prach_pdu->num_cs, prach_config->num_prach_fd_occasions_list[fd_occasion].num_root_sequences.value);
rx_nr_prach(gNB, prach_pdu, prachOccasion, frame, subframe, &preamble_rx, &preamble_energy, &preamble_delay);
@@ -897,7 +898,7 @@ int main(int argc, char **argv){
#ifdef NR_PRACH_DEBUG
LOG_M("prach0.m","prach0", &txdata[0][prach_start], frame_parms->samples_per_subframe, 1, 1);
LOG_M("prachF0.m","prachF0", &gNB->prach_vars.prachF[0], N_ZC, 1, 1);
LOG_M("rxsig0.m","rxs0", &gNB->common_vars.rxdata[0][subframe*frame_parms->samples_per_subframe], frame_parms->samples_per_subframe, 1, 1);
LOG_M("rxsig0.m","rxs0", &ru->common.rxdata[0][subframe*frame_parms->samples_per_subframe], frame_parms->samples_per_subframe, 1, 1);
LOG_M("ru_rxsig0.m","rxs0", &ru->common.rxdata[0][subframe*frame_parms->samples_per_subframe], frame_parms->samples_per_subframe, 1, 1);
LOG_M("ru_rxsigF0.m","rxsF0", ru->common.rxdataF[0], frame_parms->ofdm_symbol_size*frame_parms->symbols_per_slot, 1, 1);
LOG_M("ru_prach_rxsigF0.m","rxsF0", ru->prach_rxsigF[0][0], N_ZC, 1, 1);
@@ -922,6 +923,28 @@ int main(int argc, char **argv){
break;
} //SNR loop
free_channel_desc_scm(UE2gNB);
nr_phy_free_RU(ru);
free(RC.ru[0]);
free(RC.ru);
phy_free_nr_gNB(gNB);
// allocated in set_tdd_config_nr()
int nb_slots_to_set = TDD_CONFIG_NB_FRAMES*(1<<mu)*NR_NUMBER_OF_SUBFRAMES_PER_FRAME;
free(gNB->gNB_config.prach_config.num_prach_fd_occasions_list);
for (int i = 0; i < nb_slots_to_set; ++i)
free(gNB->gNB_config.tdd_table.max_tdd_periodicity_list[i].max_num_of_symbol_per_slot_list);
free(gNB->gNB_config.tdd_table.max_tdd_periodicity_list);
free(RC.gNB[0]);
free(RC.gNB);
term_nr_ue_signal(UE, 1);
free(UE->nrUE_config.prach_config.num_prach_fd_occasions_list);
free(UE);
free(PHY_vars_UE_g[0]);
free(PHY_vars_UE_g);
for (i=0; i<2; i++) {
free(s_re[i]);
free(s_im[i]);
@@ -936,5 +959,8 @@ int main(int argc, char **argv){
if (input_fd) fclose(input_fd);
loader_reset();
logTerm();
return(0);
}