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neels gerrit-no-reply at lists.osmocom.orgneels has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-bsc/+/25974 ) Change subject: implement all_allocated:{sdcch,tch} rate counters ...................................................................... implement all_allocated:{sdcch,tch} rate counters Based on allAvailable{SDCCH,TCH}Allocated performance indicators, see 3GPP TS 52.402. Related: SYS#4878 Related: Ib3997a827c9cc43d1361bb0cf3bfab9f6d91bf82 (osmo-ttcn3-hacks) Change-Id: I8b06e435a224c8708cd6c67e97ee5413718fc1ed --- M include/osmocom/bsc/bsc_stats.h M include/osmocom/bsc/bts.h M include/osmocom/bsc/gsm_data.h M src/osmo-bsc/bsc_init.c M src/osmo-bsc/bsc_stats.c M src/osmo-bsc/bts.c M src/osmo-bsc/lchan_fsm.c M src/osmo-bsc/net_init.c 8 files changed, 130 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/74/25974/1 diff --git a/include/osmocom/bsc/bsc_stats.h b/include/osmocom/bsc/bsc_stats.h index 4250079..9a2f36c 100644 --- a/include/osmocom/bsc/bsc_stats.h +++ b/include/osmocom/bsc/bsc_stats.h @@ -81,6 +81,8 @@ BSC_CTR_MSCPOOL_SUBSCR_NO_MSC, BSC_CTR_MSCPOOL_EMERG_FORWARDED, BSC_CTR_MSCPOOL_EMERG_LOST, + BSC_CTR_ALL_ALLOCATED_SDCCH, + BSC_CTR_ALL_ALLOCATED_TCH, }; extern const struct rate_ctr_desc bsc_ctr_description[]; @@ -105,3 +107,4 @@ extern const struct osmo_stat_item_group_desc bsc_statg_desc; void bsc_update_connection_stats(struct gsm_network *net); +void bsc_update_time_cc_all_allocated(struct gsm_network *net); diff --git a/include/osmocom/bsc/bts.h b/include/osmocom/bsc/bts.h index 700033c..26ffaf1 100644 --- a/include/osmocom/bsc/bts.h +++ b/include/osmocom/bsc/bts.h @@ -144,6 +144,8 @@ BTS_CTR_SRVCC_TIMEOUT, BTS_CTR_SRVCC_FAILED, BTS_CTR_SRVCC_ERROR, + BTS_CTR_ALL_ALLOCATED_SDCCH, + BTS_CTR_ALL_ALLOCATED_TCH, }; extern const struct rate_ctr_desc bts_ctr_description[]; @@ -576,6 +578,9 @@ /* At what point in the channel allocation sequence to dispatch the Immediate Assignment (Abis optimization) */ enum imm_ass_time imm_ass_time; + + struct time_cc all_allocated_sdcch; + struct time_cc all_allocated_tch; }; #define GSM_BTS_SI2Q(bts, i) (struct gsm48_system_information_type_2quater *)((bts)->si_buf[SYSINFO_TYPE_2quater][i]) diff --git a/include/osmocom/bsc/gsm_data.h b/include/osmocom/bsc/gsm_data.h index 3d2c901..2917be3 100644 --- a/include/osmocom/bsc/gsm_data.h +++ b/include/osmocom/bsc/gsm_data.h @@ -32,6 +32,7 @@ #include <osmocom/bsc/meas_rep.h> #include <osmocom/bsc/acc.h> #include <osmocom/bsc/osmux.h> +#include <osmocom/bsc/time_cc.h> #define GSM_T3122_DEFAULT 10 @@ -1259,6 +1260,9 @@ struct osmo_nri_ranges *null_nri_ranges; struct smlc_config *smlc; + + struct time_cc all_allocated_sdcch; + struct time_cc all_allocated_tch; }; struct gsm_audio_support { diff --git a/src/osmo-bsc/bsc_init.c b/src/osmo-bsc/bsc_init.c index bf150cb..11cda69 100644 --- a/src/osmo-bsc/bsc_init.c +++ b/src/osmo-bsc/bsc_init.c @@ -120,6 +120,29 @@ if (!net->bts_unknown_statg) goto err_free_all; + net->all_allocated_sdcch = (struct time_cc){ + .cfg = { + .gran_usec = 1*1000000, + .forget_sum_usec = 60*1000000, + .rate_ctr = rate_ctr_group_get_ctr(net->bsc_ctrs, BSC_CTR_ALL_ALLOCATED_SDCCH), + .T_gran = -16, + .T_round_threshold = -17, + .T_forget_sum = -18, + .T_defs = net->T_defs, + }, + }; + net->all_allocated_tch = (struct time_cc){ + .cfg = { + .gran_usec = 1*1000000, + .forget_sum_usec = 60*1000000, + .rate_ctr = rate_ctr_group_get_ctr(net->bsc_ctrs, BSC_CTR_ALL_ALLOCATED_TCH), + .T_gran = -16, + .T_round_threshold = -17, + .T_forget_sum = -18, + .T_defs = net->T_defs, + }, + }; + INIT_LLIST_HEAD(&net->bts_rejected); gsm_net_update_ctype(net); diff --git a/src/osmo-bsc/bsc_stats.c b/src/osmo-bsc/bsc_stats.c index 7176809..cae5300 100644 --- a/src/osmo-bsc/bsc_stats.c +++ b/src/osmo-bsc/bsc_stats.c @@ -102,6 +102,8 @@ "Emergency call requests forwarded to an MSC (see also per-MSC counters"}, [BSC_CTR_MSCPOOL_EMERG_LOST] = {"mscpool:emerg:lost", "Emergency call requests lost because no MSC was found available"}, + [BSC_CTR_ALL_ALLOCATED_SDCCH] = {"all_allocated:sdcch", "Cumulative counter of seconds where all SDCCH channels were allocated"}, + [BSC_CTR_ALL_ALLOCATED_TCH] = {"all_allocated:tch", "Cumulative counter of seconds where all TCH channels were allocated"}, }; const struct rate_ctr_group_desc bsc_ctrg_desc = { @@ -185,4 +187,49 @@ osmo_stat_item_set(osmo_stat_item_group_get_item(net->bsc_statg, BSC_STAT_NUM_TRX_RSL_CONNECTED), trx_rsl_connected_total); osmo_stat_item_set(osmo_stat_item_group_get_item(net->bsc_statg, BSC_STAT_NUM_TRX_TOTAL), num_trx_total); + + /* Make sure to notice cells that become disconnected */ + bsc_update_time_cc_all_allocated(net); +} + +void bsc_update_time_cc_all_allocated(struct gsm_network *net) +{ + struct gsm_bts *bts; + struct gsm_bts_trx *trx; + + chan_counts_t bsc_counts; + chan_counts_zero(bsc_counts); + + llist_for_each_entry(bts, &net->bts_list, list) { + chan_counts_t bts_counts; + chan_counts_zero(bts_counts); + + llist_for_each_entry(trx, &bts->trx_list, list) { + chan_counts_t trx_counts; + trx_count_lchans(trx_counts, trx); + chan_counts_add(bts_counts, trx_counts); + } + + time_cc_set_flag(&bts->all_allocated_sdcch, + bts_counts[CHAN_COUNTS1_ALL][CHAN_COUNTS2_MAX_TOTAL][GSM_LCHAN_SDCCH] + && !bts_counts[CHAN_COUNTS1_ALL][CHAN_COUNTS2_FREE][GSM_LCHAN_SDCCH]); + + time_cc_set_flag(&bts->all_allocated_tch, + (bts_counts[CHAN_COUNTS1_ALL][CHAN_COUNTS2_MAX_TOTAL][GSM_LCHAN_TCH_F] + + bts_counts[CHAN_COUNTS1_ALL][CHAN_COUNTS2_MAX_TOTAL][GSM_LCHAN_TCH_H]) + && !(bts_counts[CHAN_COUNTS1_ALL][CHAN_COUNTS2_FREE][GSM_LCHAN_TCH_F] + + bts_counts[CHAN_COUNTS1_ALL][CHAN_COUNTS2_FREE][GSM_LCHAN_TCH_H])); + + chan_counts_add(bsc_counts, bts_counts); + } + + time_cc_set_flag(&net->all_allocated_sdcch, + bsc_counts[CHAN_COUNTS1_ALL][CHAN_COUNTS2_MAX_TOTAL][GSM_LCHAN_SDCCH] + && !bsc_counts[CHAN_COUNTS1_ALL][CHAN_COUNTS2_FREE][GSM_LCHAN_SDCCH]); + + time_cc_set_flag(&net->all_allocated_tch, + (bsc_counts[CHAN_COUNTS1_ALL][CHAN_COUNTS2_MAX_TOTAL][GSM_LCHAN_TCH_F] + + bsc_counts[CHAN_COUNTS1_ALL][CHAN_COUNTS2_MAX_TOTAL][GSM_LCHAN_TCH_H]) + && !(bsc_counts[CHAN_COUNTS1_ALL][CHAN_COUNTS2_FREE][GSM_LCHAN_TCH_F] + + bsc_counts[CHAN_COUNTS1_ALL][CHAN_COUNTS2_FREE][GSM_LCHAN_TCH_H])); } diff --git a/src/osmo-bsc/bts.c b/src/osmo-bsc/bts.c index 2e4b520..95015ba 100644 --- a/src/osmo-bsc/bts.c +++ b/src/osmo-bsc/bts.c @@ -211,6 +211,29 @@ } bts->bts_statg = osmo_stat_item_group_alloc(bts, &bts_statg_desc, bts->nr); + bts->all_allocated_sdcch = (struct time_cc){ + .cfg = { + .gran_usec = 1*1000000, + .forget_sum_usec = 60*1000000, + .rate_ctr = rate_ctr_group_get_ctr(bts->bts_ctrs, BTS_CTR_ALL_ALLOCATED_SDCCH), + .T_gran = -16, + .T_round_threshold = -17, + .T_forget_sum = -18, + .T_defs = net->T_defs, + }, + }; + bts->all_allocated_tch = (struct time_cc){ + .cfg = { + .gran_usec = 1*1000000, + .forget_sum_usec = 60*1000000, + .rate_ctr = rate_ctr_group_get_ctr(bts->bts_ctrs, BTS_CTR_ALL_ALLOCATED_TCH), + .T_gran = -16, + .T_round_threshold = -17, + .T_forget_sum = -18, + .T_defs = net->T_defs, + }, + }; + /* create our primary TRX */ bts->c0 = gsm_bts_trx_alloc(bts); if (!bts->c0) { @@ -1205,6 +1228,12 @@ [BTS_CTR_SRVCC_ERROR] = \ { "srvcc:error", "Re-assignment failed for other reason" }, + [BTS_CTR_ALL_ALLOCATED_SDCCH] = + { "all_allocated:sdcch", + "Cumulative counter of seconds where all SDCCH channels were allocated" }, + [BTS_CTR_ALL_ALLOCATED_TCH] = + { "all_allocated:tch", + "Cumulative counter of seconds where all TCH channels were allocated" }, }; const struct rate_ctr_group_desc bts_ctrg_desc = { diff --git a/src/osmo-bsc/lchan_fsm.c b/src/osmo-bsc/lchan_fsm.c index 2f62487..c963d9e 100644 --- a/src/osmo-bsc/lchan_fsm.c +++ b/src/osmo-bsc/lchan_fsm.c @@ -40,6 +40,7 @@ #include <osmocom/bsc/bsc_msc_data.h> #include <osmocom/bsc/codec_pref.h> #include <osmocom/bsc/bts.h> +#include <osmocom/bsc/bsc_stats.h> static struct osmo_fsm lchan_fsm; @@ -512,6 +513,8 @@ lchan_reset(lchan); osmo_fsm_inst_dispatch(lchan->ts->fi, TS_EV_LCHAN_UNUSED, lchan); + bsc_update_time_cc_all_allocated(bts->network); + /* Poll the channel request queue, so that waiting calls can make use of the lchan that just * has become unused now. */ abis_rsl_chan_rqd_queue_poll(bts); @@ -688,6 +691,8 @@ return; } + bsc_update_time_cc_all_allocated(bts->network); + lchan->conn = info->for_conn; /* If there is a previous lchan, and the new lchan is on the same cell as previous one, diff --git a/src/osmo-bsc/net_init.c b/src/osmo-bsc/net_init.c index 6d88adb..26b3322 100644 --- a/src/osmo-bsc/net_init.c +++ b/src/osmo-bsc/net_init.c @@ -56,6 +56,20 @@ { .T=-12, .default_val=5, .desc="Timeout for obtaining TA after BSSLAP TA Request" }, { .T=-13, .default_val=5, .desc="Timeout for RR Channel Mode Modify ACK (BSC <-> MS)" }, { .T=-14, .default_val=5, .desc="Timeout for RSL Channel Mode Modify ACK (BSC <-> BTS)" }, + { .T=-16, .default_val=1000, .unit=OSMO_TDEF_MS, + .desc="Granularity for all_allocated:* rate counters: in milliseconds, how much elapsed time does one" + " counter increment represent? See also X17, X18" }, + { .T=-17, .default_val=0, .unit=OSMO_TDEF_MS, + .desc="Rounding threshold for all_allocated:* rate counters: round up to the next counter increment" + " after this many milliseconds. If set to half of X16 (or 0), employ the usual round() behavior:" + " round up after half of a granularity period. If set to 1, behave like ceil(): already" + " increment the counter immediately when all channels are allocated. If set >= X16, behave like" + " floor(): only increment after a full X16 period of all channels being occupied." + " See also X16, X18" }, + { .T=-18, .default_val=60000, .unit=OSMO_TDEF_MS, + .desc="Reset-sum period for all_allocated:* rate counters:" + " after this time, forget internally cumulated time remainders. Zero to always keep remainders." + " See also X16, X17." }, { .T=-3111, .default_val=4, .desc="Wait time after lchan was released in error (should be T3111 + 2s)" }, { .T=-3210, .default_val=20, .desc="After L3 Complete, wait for MSC to confirm" }, {} -- To view, visit https://gerrit.osmocom.org/c/osmo-bsc/+/25974 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-bsc Gerrit-Branch: master Gerrit-Change-Id: I8b06e435a224c8708cd6c67e97ee5413718fc1ed Gerrit-Change-Number: 25974 Gerrit-PatchSet: 1 Gerrit-Owner: neels <nhofmeyr at sysmocom.de> Gerrit-MessageType: newchange -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20211026/51725fb0/attachment.htm>