maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Reduce CPU load in PHY stub UE (L2 sim)

Browse Source 
Instead of looping over UEs and all DL config Req/HI DCI0, loop first
over all DL config Req/HI DCI0, and for each, match UE.  Lowers CPU
traffic for high traffic situations.
This commit is contained in:
Robert Schmidt
2020-04-10 00:09:36 +02:00
parent 4df3157a7a
commit a56be93e80
3 changed files with 173 additions and 188 deletions
Download Patch File Download Diff File Expand all files Collapse all files
targets/RT/USER/lte-ue.c
+43 -11
View File
@@ -1108,6 +1108,45 @@ static void *UE_phy_stub_single_thread_rxn_txnp4(void *arg)
}
}
if (dl_config_req && tx_request_pdu_list) {
nfapi_dl_config_request_body_t* dl_config_req_body = &dl_config_req->dl_config_request_body;
for (int i = 0; i < dl_config_req_body->number_pdu; ++i) {
nfapi_dl_config_request_pdu_t* pdu = &dl_config_req_body->dl_config_pdu_list[i];
if (pdu->pdu_type == NFAPI_DL_CONFIG_DCI_DL_PDU_TYPE) {
i += 1;
AssertFatal(i < dl_config_req->dl_config_request_body.number_pdu,
"Need PDU following DCI at index %d, but not found\n",
i);
nfapi_dl_config_request_pdu_t *dlsch = &dl_config_req_body->dl_config_pdu_list[i];
if (dlsch->pdu_type != NFAPI_DL_CONFIG_DLSCH_PDU_TYPE) {
LOG_E(MAC, "expected DLSCH PDU at index %d\n", i);
continue;
}
dl_config_req_UE_MAC_dci(NFAPI_SFNSF2SFN(dl_config_req->sfn_sf),
NFAPI_SFNSF2SF(dl_config_req->sfn_sf),
pdu,
dlsch,
ue_num);
} else if (pdu->pdu_type == NFAPI_DL_CONFIG_BCH_PDU_TYPE) {
dl_config_req_UE_MAC_bch(NFAPI_SFNSF2SFN(dl_config_req->sfn_sf),
NFAPI_SFNSF2SF(dl_config_req->sfn_sf),
pdu,
ue_num);
}
}
}
if (hi_dci0_req) {
nfapi_hi_dci0_request_body_t *hi_dci0_body = &hi_dci0_req->hi_dci0_request_body;
for (int i = 0; i < hi_dci0_body->number_of_dci + hi_dci0_body->number_of_hi; i++) {
nfapi_hi_dci0_request_pdu_t* pdu = &hi_dci0_body->hi_dci0_pdu_list[i];
hi_dci0_req_UE_MAC(NFAPI_SFNSF2SFN(hi_dci0_req->sfn_sf),
NFAPI_SFNSF2SF(hi_dci0_req->sfn_sf),
pdu,
ue_num);
}
}
//for (Mod_id=0; Mod_id<NB_UE_INST; Mod_id++) {
for (ue_index=0; ue_index < ue_num; ue_index++) {
ue_Mod_id = ue_thread_id + NB_THREAD_INST*ue_index;
@@ -1136,15 +1175,6 @@ static void *UE_phy_stub_single_thread_rxn_txnp4(void *arg)
phy_procedures_UE_SL_RX(UE,proc);
if (dl_config_req!=NULL && tx_request_pdu_list!=NULL) {
//if(dl_config_req!= NULL) {
dl_config_req_UE_MAC(dl_config_req, ue_Mod_id);
}
if (hi_dci0_req!=NULL && hi_dci0_req->hi_dci0_request_body.hi_dci0_pdu_list!=NULL) {
hi_dci0_req_UE_MAC(hi_dci0_req, ue_Mod_id);
}
if(NFAPI_MODE!=NFAPI_UE_STUB_PNF)
phy_procedures_UE_SL_TX(UE,proc);
}
@@ -1413,12 +1443,14 @@ static void *UE_phy_stub_thread_rxn_txnp4(void *arg)
oai_subframe_ind(timer_frame, timer_subframe);
if(dl_config_req!= NULL) {
dl_config_req_UE_MAC(dl_config_req, Mod_id);
AssertFatal(0, "dl_config_req_UE_MAC() not handled\n");
//dl_config_req_UE_MAC(dl_config_req, Mod_id);
}
//if(UE_mac_inst[Mod_id].hi_dci0_req!= NULL){
if (hi_dci0_req!=NULL && hi_dci0_req->hi_dci0_request_body.hi_dci0_pdu_list!=NULL) {
hi_dci0_req_UE_MAC(hi_dci0_req, Mod_id);
AssertFatal(0, "hi_dci0_req_UE_MAC() not handled\n");
//hi_dci0_req_UE_MAC(hi_dci0_req, Mod_id);
//if(UE_mac_inst[Mod_id].hi_dci0_req->hi_dci0_request_body.hi_dci0_pdu_list!=NULL){
free(hi_dci0_req->hi_dci0_request_body.hi_dci0_pdu_list);
hi_dci0_req->hi_dci0_request_body.hi_dci0_pdu_list = NULL;