diff options
| author | Vadim Yanitskiy <vyanitskiy@sysmocom.de> | 2022-03-06 13:10:36 +0300 |
|---|---|---|
| committer | laforge <laforge@osmocom.org> | 2022-03-09 07:22:27 +0000 |
| commit | d84567779c9dd17dffa6fa9905952af06b3cedc7 (patch) | |
| tree | 35953aa596406ca0f7df0d244950d165550d486c | |
| parent | ff30ca63a93a4170eda07eec3e0cd6205c7d92d6 (diff) | |
osmo-bts-trx: new rate counter 'trx_sched:dl_fh_cache_miss'
This new rate counter allows to monitor the efficiency of the
radio carrier cache used for routing Downlink bursts when
baseband frequency hopping is in use.
Change-Id: Ie6da829e47298476267c8df2dcedafad564cbbb4
Related: SYS#5855
| -rw-r--r-- | src/osmo-bts-trx/l1_if.h | 1 | ||||
| -rw-r--r-- | src/osmo-bts-trx/main.c | 4 | ||||
| -rw-r--r-- | src/osmo-bts-trx/scheduler_trx.c | 4 |
3 files changed, 8 insertions, 1 deletions
diff --git a/src/osmo-bts-trx/l1_if.h b/src/osmo-bts-trx/l1_if.h index 50369d9d..18d84c2f 100644 --- a/src/osmo-bts-trx/l1_if.h +++ b/src/osmo-bts-trx/l1_if.h @@ -30,6 +30,7 @@ enum { BTSTRX_CTR_SCHED_DL_MISS_FN, BTSTRX_CTR_SCHED_DL_FH_NO_CARRIER, + BTSTRX_CTR_SCHED_DL_FH_CACHE_MISS, BTSTRX_CTR_SCHED_UL_FH_NO_CARRIER, }; diff --git a/src/osmo-bts-trx/main.c b/src/osmo-bts-trx/main.c index 5d680f05..75b15fea 100644 --- a/src/osmo-bts-trx/main.c +++ b/src/osmo-bts-trx/main.c @@ -70,6 +70,10 @@ static const struct rate_ctr_desc btstrx_ctr_desc[] = { "trx_sched:dl_fh_no_carrier", "Frequency hopping: no carrier found for a Downlink burst (check hopping parameters)" }, + [BTSTRX_CTR_SCHED_DL_FH_CACHE_MISS] = { + "trx_sched:dl_fh_cache_miss", + "Frequency hopping: no Downlink carrier found in cache (lookup performed)" + }, [BTSTRX_CTR_SCHED_UL_FH_NO_CARRIER] = { "trx_sched:ul_fh_no_carrier", "Frequency hopping: no carrier found for an Uplink burst (check hopping parameters)" diff --git a/src/osmo-bts-trx/scheduler_trx.c b/src/osmo-bts-trx/scheduler_trx.c index 8118223e..3a6418bb 100644 --- a/src/osmo-bts-trx/scheduler_trx.c +++ b/src/osmo-bts-trx/scheduler_trx.c @@ -148,9 +148,12 @@ static struct phy_instance *dlfh_route_br(const struct trx_dl_burst_req *br, if (ts->fh_trx_list[idx] != NULL) return ts->fh_trx_list[idx]->pinst; + struct bts_trx_priv *priv = (struct bts_trx_priv *) ts->trx->bts->model_priv; + /* The "cache" may not be filled yet, lookup the transceiver */ llist_for_each_entry(trx, &ts->trx->bts->trx_list, list) { if (trx->arfcn == ts->hopping.arfcn_list[idx]) { + rate_ctr_inc2(priv->ctrs, BTSTRX_CTR_SCHED_DL_FH_CACHE_MISS); ts->fh_trx_list[idx] = trx; return trx->pinst; } @@ -160,7 +163,6 @@ static struct phy_instance *dlfh_route_br(const struct trx_dl_burst_req *br, "for a Downlink burst (fn=%u, tn=%u, " SCHED_FH_PARAMS_FMT ")\n", br->fn, br->tn, SCHED_FH_PARAMS_VALS(ts)); - struct bts_trx_priv *priv = (struct bts_trx_priv *) ts->trx->bts->model_priv; rate_ctr_inc2(priv->ctrs, BTSTRX_CTR_SCHED_DL_FH_NO_CARRIER); return NULL; |