Commit 6b15195a authored by Xenofon Foukas's avatar Xenofon Foukas
Browse files

Added statistics for total and missed scheduling deadlines of remote scheduler

parent 7236e3ca
......@@ -462,6 +462,13 @@ typedef struct {
//
uint32_t total_ulsch_pdus_rx;
/// MAC agent-related stats
/// total number of scheduling decisions
int sched_decisions;
/// missed deadlines
int missed_deadlines;
} eNB_STATS;
/*! \brief eNB statistics for the connected UEs*/
typedef struct {
......
......@@ -39,6 +39,9 @@
#include "eNB_agent_scheduler_dlsch_ue_remote.h"
#include "LAYER2/MAC/defs.h"
#include "LAYER2/MAC/extern.h"
struct DlMacConfigHead queue_head;
int queue_initialized = 0;
......@@ -46,11 +49,16 @@ int queue_initialized = 0;
void schedule_ue_spec_remote(mid_t mod_id, uint32_t frame, uint32_t subframe,
int *mbsfn_flag, Protocol__ProgranMessage **dl_info) {
eNB_MAC_INST *eNB;
if (!queue_initialized) {
TAILQ_INIT(&queue_head);
queue_initialized = 1;
}
eNB = &eNB_mac_inst[mod_id];
dl_mac_config_element_t *dl_config_elem;
int diff;
......@@ -66,12 +74,15 @@ void schedule_ue_spec_remote(mid_t mod_id, uint32_t frame, uint32_t subframe,
TAILQ_REMOVE(&queue_head, queue_head.tqh_first, configs);
*dl_info = dl_config_elem->dl_info;
free(dl_config_elem);
eNB->eNB_stats[mod_id].sched_decisions++;
return;
} else if (diff < 0) { //previous subframe , delete message and free memory
LOG_D(MAC, "Found a decision for a previous subframe in the queue. Let's get rid of it\n");
TAILQ_REMOVE(&queue_head, queue_head.tqh_first, configs);
enb_agent_mac_destroy_dl_config(dl_config_elem->dl_info);
free(dl_config_elem);
eNB->eNB_stats[mod_id].sched_decisions++;
eNB->eNB_stats[mod_id].missed_deadlines++;
} else { // next subframe, nothing to do now
LOG_D(MAC, "Found a decision for a future subframe in the queue. Nothing to do now\n");
enb_agent_mac_create_empty_dl_config(mod_id, dl_info);
......@@ -86,12 +97,15 @@ void schedule_ue_spec_remote(mid_t mod_id, uint32_t frame, uint32_t subframe,
diff = get_sf_difference(mod_id, (*dl_info)->dl_mac_config_msg->sfn_sf);
if (diff == 0) { // Got a command for this sfn_sf
LOG_D(MAC, "Found a decision for this subframe pending. Let's use it\n");
eNB->eNB_stats[mod_id].sched_decisions++;
return;
} else if (diff < 0) {
LOG_D(MAC, "Found a decision for a previous subframe. Let's get rid of it\n");
enb_agent_mac_destroy_dl_config(*dl_info);
*dl_info = NULL;
enb_agent_get_pending_dl_mac_config(mod_id, dl_info);
eNB->eNB_stats[mod_id].sched_decisions++;
eNB->eNB_stats[mod_id].missed_deadlines++;
} else { // Intended for future subframe. Store it in local cache
LOG_D(MAC, "Found a decision for a future subframe in the queue. Let's store it in the cache\n");
dl_mac_config_element_t *e = malloc(sizeof(dl_mac_config_element_t));
......
......@@ -122,11 +122,13 @@ int dump_eNB_l2_stats(char *buffer, int length)
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 \n",
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].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,
......
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