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neels gerrit-no-reply at lists.osmocom.orgneels has submitted this change. ( 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
M tests/timer.vty
9 files changed, 137 insertions(+), 0 deletions(-)
Approvals:
neels: Looks good to me, approved
pespin: Looks good to me, but someone else must approve
Jenkins Builder: Verified
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 c887ca8..8677143 100644
--- a/include/osmocom/bsc/bts.h
+++ b/include/osmocom/bsc/bts.h
@@ -158,6 +158,8 @@
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[];
@@ -590,6 +592,9 @@
/* 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 6a60f06..30aab53 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
@@ -1260,6 +1261,9 @@
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 ccba4a6..20ddd37 100644
--- a/src/osmo-bsc/bsc_stats.c
+++ b/src/osmo-bsc/bsc_stats.c
@@ -25,6 +25,7 @@
#include <osmocom/bsc/gsm_data.h>
#include <osmocom/bsc/bts.h>
+#include <osmocom/bsc/chan_counts.h>
const struct rate_ctr_desc bsc_ctr_description[] = {
[BSC_CTR_ASSIGNMENT_ATTEMPTED] = {"assignment:attempted", "Assignment attempts"},
@@ -102,6 +103,8 @@
"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 +188,49 @@
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;
+
+ struct chan_counts bsc_counts;
+ chan_counts_zero(&bsc_counts);
+
+ llist_for_each_entry(bts, &net->bts_list, list) {
+ struct chan_counts bts_counts;
+ chan_counts_zero(&bts_counts);
+
+ llist_for_each_entry(trx, &bts->trx_list, list) {
+ struct chan_counts trx_counts;
+ chan_counts_for_trx(&trx_counts, trx);
+ chan_counts_add(&bts_counts, &trx_counts);
+ }
+
+ time_cc_set_flag(&bts->all_allocated_sdcch,
+ bts_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_MAX_TOTAL][GSM_LCHAN_SDCCH]
+ && !bts_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_FREE][GSM_LCHAN_SDCCH]);
+
+ time_cc_set_flag(&bts->all_allocated_tch,
+ (bts_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_MAX_TOTAL][GSM_LCHAN_TCH_F]
+ + bts_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_MAX_TOTAL][GSM_LCHAN_TCH_H])
+ && !(bts_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_FREE][GSM_LCHAN_TCH_F]
+ + bts_counts.val[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.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_MAX_TOTAL][GSM_LCHAN_SDCCH]
+ && !bsc_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_FREE][GSM_LCHAN_SDCCH]);
+
+ time_cc_set_flag(&net->all_allocated_tch,
+ (bsc_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_MAX_TOTAL][GSM_LCHAN_TCH_F]
+ + bsc_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_MAX_TOTAL][GSM_LCHAN_TCH_H])
+ && !(bsc_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_FREE][GSM_LCHAN_TCH_F]
+ + bsc_counts.val[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 5701957..880cb22 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) {
@@ -1236,6 +1259,12 @@
[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 d61d032..5ae6df6 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;
@@ -517,6 +518,8 @@
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);
@@ -697,6 +700,8 @@
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..ec2f881 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: amount of milliseconds that one counter increment"
+ " represents. 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 = "Forget-sum period for all_allocated:* rate counters:"
+ " after this amount of idle 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" },
{}
diff --git a/tests/timer.vty b/tests/timer.vty
index 71dd2c1..12c13ad 100644
--- a/tests/timer.vty
+++ b/tests/timer.vty
@@ -29,6 +29,9 @@
net: X12 = 5 s Timeout for obtaining TA after BSSLAP TA Request (default: 5 s)
net: X13 = 5 s Timeout for RR Channel Mode Modify ACK (BSC <-> MS) (default: 5 s)
net: X14 = 5 s Timeout for RSL Channel Mode Modify ACK (BSC <-> BTS) (default: 5 s)
+net: X16 = 1000 ms Granularity for all_allocated:* rate counters: amount of milliseconds that one counter increment represents. See also X17, X18 (default: 1000 ms)
+net: X17 = 0 ms 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 (default: 0 ms)
+net: X18 = 60000 ms Forget-sum period for all_allocated:* rate counters: after this amount of idle time, forget internally cumulated time remainders. Zero to always keep remainders. See also X16, X17. (default: 60000 ms)
net: X3111 = 4 s Wait time after lchan was released in error (should be T3111 + 2s) (default: 4 s)
net: X3210 = 20 s After L3 Complete, wait for MSC to confirm (default: 20 s)
mgw: X2427 = 5 s timeout for MGCP response from MGW (default: 5 s)
@@ -78,6 +81,9 @@
net: X12 = 5 s Timeout for obtaining TA after BSSLAP TA Request (default: 5 s)
net: X13 = 5 s Timeout for RR Channel Mode Modify ACK (BSC <-> MS) (default: 5 s)
net: X14 = 5 s Timeout for RSL Channel Mode Modify ACK (BSC <-> BTS) (default: 5 s)
+net: X16 = 1000 ms Granularity for all_allocated:* rate counters: amount of milliseconds that one counter increment represents. See also X17, X18 (default: 1000 ms)
+net: X17 = 0 ms 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 (default: 0 ms)
+net: X18 = 60000 ms Forget-sum period for all_allocated:* rate counters: after this amount of idle time, forget internally cumulated time remainders. Zero to always keep remainders. See also X16, X17. (default: 60000 ms)
net: X3111 = 4 s Wait time after lchan was released in error (should be T3111 + 2s) (default: 4 s)
net: X3210 = 20 s After L3 Complete, wait for MSC to confirm (default: 20 s)
mgw: X2427 = 5 s timeout for MGCP response from MGW (default: 5 s)
--
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Gerrit-Project: osmo-bsc
Gerrit-Branch: master
Gerrit-Change-Id: I8b06e435a224c8708cd6c67e97ee5413718fc1ed
Gerrit-Change-Number: 25974
Gerrit-PatchSet: 12
Gerrit-Owner: neels <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: neels <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: pespin <pespin at sysmocom.de>
Gerrit-MessageType: merged
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