237 lines
12 KiB
C
237 lines
12 KiB
C
/* osmo-bsc statistics */
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/* (C) 2021 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <osmocom/bsc/bsc_stats.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/core/stats.h>
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#include <osmocom/core/stat_item.h>
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#include <osmocom/bsc/gsm_data.h>
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#include <osmocom/bsc/bts.h>
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#include <osmocom/bsc/chan_counts.h>
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const struct rate_ctr_desc bsc_ctr_description[] = {
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[BSC_CTR_ASSIGNMENT_ATTEMPTED] = {"assignment:attempted", "Assignment attempts"},
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[BSC_CTR_ASSIGNMENT_COMPLETED] = {"assignment:completed", "Assignment completed"},
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[BSC_CTR_ASSIGNMENT_STOPPED] = {"assignment:stopped", "Connection ended during Assignment"},
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[BSC_CTR_ASSIGNMENT_NO_CHANNEL] = {"assignment:no_channel", "Failure to allocate lchan for Assignment"},
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[BSC_CTR_ASSIGNMENT_TIMEOUT] = {"assignment:timeout", "Assignment timed out"},
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[BSC_CTR_ASSIGNMENT_FAILED] = {"assignment:failed", "Received Assignment Failure message"},
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[BSC_CTR_ASSIGNMENT_ERROR] = {"assignment:error", "Assignment failed for other reason"},
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[BSC_CTR_HANDOVER_ATTEMPTED] = {"handover:attempted", "Handover attempts"},
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[BSC_CTR_HANDOVER_COMPLETED] = {"handover:completed", "Handover completed"},
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[BSC_CTR_HANDOVER_STOPPED] = {"handover:stopped", "Connection ended during HO"},
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[BSC_CTR_HANDOVER_NO_CHANNEL] = {"handover:no_channel", "Failure to allocate lchan for HO"},
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[BSC_CTR_HANDOVER_TIMEOUT] = {"handover:timeout", "Handover timed out"},
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[BSC_CTR_HANDOVER_FAILED] = {"handover:failed", "Received Handover Fail messages"},
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[BSC_CTR_HANDOVER_ERROR] = {"handover:error", "Handover failed for other reason"},
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[BSC_CTR_INTRA_CELL_HO_ATTEMPTED] = {"intra_cell_ho:attempted", "Intra-Cell handover attempts"},
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[BSC_CTR_INTRA_CELL_HO_COMPLETED] = {"intra_cell_ho:completed", "Intra-Cell handover completed"},
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[BSC_CTR_INTRA_CELL_HO_STOPPED] = {"intra_cell_ho:stopped", "Connection ended during HO"},
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[BSC_CTR_INTRA_CELL_HO_NO_CHANNEL] = {"intra_cell_ho:no_channel", "Failure to allocate lchan for HO"},
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[BSC_CTR_INTRA_CELL_HO_TIMEOUT] = {"intra_cell_ho:timeout", "Handover timed out"},
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[BSC_CTR_INTRA_CELL_HO_FAILED] = {"intra_cell_ho:failed", "Received Handover Fail messages"},
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[BSC_CTR_INTRA_CELL_HO_ERROR] = {"intra_cell_ho:error", "Intra-cell handover failed for other reason"},
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[BSC_CTR_INTRA_BSC_HO_ATTEMPTED] = {"intra_bsc_ho:attempted", "Intra-BSC inter-cell handover attempts"},
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[BSC_CTR_INTRA_BSC_HO_COMPLETED] = {"intra_bsc_ho:completed", "Intra-BSC inter-cell handover completed"},
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[BSC_CTR_INTRA_BSC_HO_STOPPED] = {"intra_bsc_ho:stopped", "Connection ended during HO"},
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[BSC_CTR_INTRA_BSC_HO_NO_CHANNEL] = {"intra_bsc_ho:no_channel", "Failure to allocate lchan for HO"},
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[BSC_CTR_INTRA_BSC_HO_TIMEOUT] = {"intra_bsc_ho:timeout", "Handover timed out"},
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[BSC_CTR_INTRA_BSC_HO_FAILED] = {"intra_bsc_ho:failed", "Received Handover Fail messages"},
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[BSC_CTR_INTRA_BSC_HO_ERROR] = {"intra_bsc_ho:error", "Intra-BSC inter-cell HO failed for other reason"},
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[BSC_CTR_INTER_BSC_HO_OUT_ATTEMPTED] = {"interbsc_ho_out:attempted",
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"Attempts to handover to remote BSS"},
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[BSC_CTR_INTER_BSC_HO_OUT_COMPLETED] = {"interbsc_ho_out:completed",
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"Handover to remote BSS completed"},
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[BSC_CTR_INTER_BSC_HO_OUT_STOPPED] = {"interbsc_ho_out:stopped", "Connection ended during HO"},
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[BSC_CTR_INTER_BSC_HO_OUT_TIMEOUT] = {"interbsc_ho_out:timeout", "Handover timed out"},
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[BSC_CTR_INTER_BSC_HO_OUT_FAILED] = {"interbsc_ho_out:failed", "Received Handover Fail message"},
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[BSC_CTR_INTER_BSC_HO_OUT_ERROR] = {"interbsc_ho_out:error",
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"Handover to remote BSS failed for other reason"},
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[BSC_CTR_INTER_BSC_HO_IN_ATTEMPTED] = {"interbsc_ho_in:attempted",
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"Attempts to handover from remote BSS"},
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[BSC_CTR_INTER_BSC_HO_IN_COMPLETED] = {"interbsc_ho_in:completed",
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"Handover from remote BSS completed"},
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[BSC_CTR_INTER_BSC_HO_IN_STOPPED] = {"interbsc_ho_in:stopped", "Connection ended during HO"},
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[BSC_CTR_INTER_BSC_HO_IN_NO_CHANNEL] = {"interbsc_ho_in:no_channel",
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"Failure to allocate lchan for HO"},
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[BSC_CTR_INTER_BSC_HO_IN_TIMEOUT] = {"interbsc_ho_in:timeout", "Handover from remote BSS timed out"},
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[BSC_CTR_INTER_BSC_HO_IN_FAILED] = {"interbsc_ho_in:failed", "Received Handover Fail message"},
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[BSC_CTR_INTER_BSC_HO_IN_ERROR] = {"interbsc_ho_in:error",
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"Handover from remote BSS failed for other reason"},
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[BSC_CTR_SRVCC_ATTEMPTED] = {"srvcc:attempted", "Intra-BSC SRVCC attempts"},
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[BSC_CTR_SRVCC_COMPLETED] = {"srvcc:completed", "Intra-BSC SRVCC completed"},
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[BSC_CTR_SRVCC_STOPPED] = {"srvcc:stopped", "Connection ended during HO"},
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[BSC_CTR_SRVCC_NO_CHANNEL] = {"srvcc:no_channel", "Failure to allocate lchan for HO"},
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[BSC_CTR_SRVCC_TIMEOUT] = {"srvcc:timeout", "SRVCC timed out"},
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[BSC_CTR_SRVCC_FAILED] = {"srvcc:failed", "Received SRVCC Fail messages"},
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[BSC_CTR_SRVCC_ERROR] = {"srvcc:error", "Re-assignment failed for other reason"},
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[BSC_CTR_PAGING_ATTEMPTED] = {"paging:attempted", "Paging attempts for a subscriber"},
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[BSC_CTR_PAGING_DETACHED] = {"paging:detached", "Paging request send failures because no responsible BTS was found"},
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[BSC_CTR_PAGING_RESPONDED] = {"paging:responded", "Paging attempts with successful response"},
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[BSC_CTR_PAGING_NO_ACTIVE_PAGING] = {"paging:no_active_paging", "Paging response without an active paging request (arrived after paging expiration?)"},
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[BSC_CTR_UNKNOWN_UNIT_ID] = {"abis:unknown_unit_id", "Connection attempts from unknown IPA CCM Unit ID"},
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[BSC_CTR_MSCPOOL_SUBSCR_NO_MSC] = {"mscpool:subscr:no_msc",
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"Complete Layer 3 requests lost because no connected MSC is found available"},
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[BSC_CTR_MSCPOOL_EMERG_FORWARDED] = {"mscpool:emerg:forwarded",
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"Emergency call requests forwarded to an MSC (see also per-MSC counters"},
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[BSC_CTR_MSCPOOL_EMERG_LOST] = {"mscpool:emerg:lost",
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"Emergency call requests lost because no MSC was found available"},
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[BSC_CTR_ALL_ALLOCATED_SDCCH] = {"all_allocated:sdcch", "Cumulative counter of seconds where all SDCCH channels were allocated"},
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[BSC_CTR_ALL_ALLOCATED_TCH] = {"all_allocated:tch", "Cumulative counter of seconds where all TCH channels were allocated"},
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};
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const struct rate_ctr_group_desc bsc_ctrg_desc = {
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"bsc",
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"base station controller",
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OSMO_STATS_CLASS_GLOBAL,
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ARRAY_SIZE(bsc_ctr_description),
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bsc_ctr_description,
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};
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static const struct osmo_stat_item_desc bsc_stat_desc[] = {
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[BSC_STAT_NUM_BTS_OML_CONNECTED] = { "num_bts:oml_connected", "Number of BTS for this BSC where OML is up", "", 16, 0 },
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[BSC_STAT_NUM_BTS_ALL_TRX_RSL_CONNECTED] = { "num_bts:all_trx_rsl_connected", "Number of BTS for this BSC where RSL is up for all TRX", "", 16, 0 },
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[BSC_STAT_NUM_BTS_TOTAL] = { "num_bts:total", "Number of configured BTS for this BSC", "", 16, 0 },
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[BSC_STAT_NUM_TRX_RSL_CONNECTED] = { "num_trx:rsl_connected", "Number of TRX where RSL is up, total sum across all BTS", "", 16, 0 },
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[BSC_STAT_NUM_TRX_TOTAL] = { "num_trx:total", "Number of configured TRX, total sum across all BTS", "", 1, 0 },
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[BSC_STAT_NUM_MSC_CONNECTED] = { "num_msc:connected", "Number of actively connected MSCs", "", 16, 0 },
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[BSC_STAT_NUM_MSC_TOTAL] = { "num_msc:total", "Number of configured MSCs, not necessarily connected", "", 1, 0 },
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};
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const struct osmo_stat_item_group_desc bsc_statg_desc = {
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.group_name_prefix = "bsc",
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.group_description = "base station controller",
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.class_id = OSMO_STATS_CLASS_GLOBAL,
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.num_items = ARRAY_SIZE(bsc_stat_desc),
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.item_desc = bsc_stat_desc,
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};
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/* Count all BTS and TRX OML and RSL stati and update stat items */
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void bsc_update_connection_stats(struct gsm_network *net)
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{
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struct gsm_bts *bts;
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struct gsm_bts_trx *trx;
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/* Nr of configured BTS and total sum of configured TRX across all BTS */
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int num_bts = 0;
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int num_trx_total = 0;
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/* Nr of BTS where OML is up */
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int bts_oml_connected = 0;
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/* Nr of TRX across all BTS where RSL is up */
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int trx_rsl_connected_total = 0;
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/* Nr of BTS that have all TRX RSL up */
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int bts_rsl_all_trx_connected = 0;
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llist_for_each_entry(bts, &net->bts_list, list) {
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bool oml_connected = false;
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int num_trx = 0;
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int trx_rsl_connected = 0;
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llist_for_each_entry(trx, &bts->trx_list, list) {
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/* If any one trx is usable, it means OML for this BTS is connected */
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if (trx_is_usable(trx))
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oml_connected = true;
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/* Count nr of TRX for this BTS */
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num_trx++;
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if (trx->ts[0].is_rsl_ready)
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trx_rsl_connected++;
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}
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osmo_stat_item_set(osmo_stat_item_group_get_item(bts->bts_statg, BTS_STAT_NUM_TRX_RSL_CONNECTED),
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trx_rsl_connected);
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osmo_stat_item_set(osmo_stat_item_group_get_item(bts->bts_statg, BTS_STAT_NUM_TRX_TOTAL),
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num_trx);
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num_trx_total += num_trx;
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trx_rsl_connected_total += trx_rsl_connected;
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num_bts++;
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if (oml_connected)
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bts_oml_connected++;
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if (trx_rsl_connected == num_trx)
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bts_rsl_all_trx_connected++;
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}
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osmo_stat_item_set(osmo_stat_item_group_get_item(net->bsc_statg, BSC_STAT_NUM_BTS_OML_CONNECTED),
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bts_oml_connected);
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osmo_stat_item_set(osmo_stat_item_group_get_item(net->bsc_statg, BSC_STAT_NUM_BTS_ALL_TRX_RSL_CONNECTED),
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bts_rsl_all_trx_connected);
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osmo_stat_item_set(osmo_stat_item_group_get_item(net->bsc_statg, BSC_STAT_NUM_BTS_TOTAL), num_bts);
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osmo_stat_item_set(osmo_stat_item_group_get_item(net->bsc_statg, BSC_STAT_NUM_TRX_RSL_CONNECTED),
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trx_rsl_connected_total);
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osmo_stat_item_set(osmo_stat_item_group_get_item(net->bsc_statg, BSC_STAT_NUM_TRX_TOTAL), num_trx_total);
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/* Make sure to notice cells that become disconnected */
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bsc_update_time_cc_all_allocated(net);
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}
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void bsc_update_time_cc_all_allocated(struct gsm_network *net)
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{
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struct gsm_bts *bts;
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struct gsm_bts_trx *trx;
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struct chan_counts bsc_counts;
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chan_counts_zero(&bsc_counts);
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llist_for_each_entry(bts, &net->bts_list, list) {
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struct chan_counts bts_counts;
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chan_counts_zero(&bts_counts);
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llist_for_each_entry(trx, &bts->trx_list, list) {
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struct chan_counts trx_counts;
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chan_counts_for_trx(&trx_counts, trx);
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chan_counts_add(&bts_counts, &trx_counts);
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}
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time_cc_set_flag(&bts->all_allocated_sdcch,
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bts_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_MAX_TOTAL][GSM_LCHAN_SDCCH]
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&& !bts_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_FREE][GSM_LCHAN_SDCCH]);
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time_cc_set_flag(&bts->all_allocated_tch,
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(bts_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_MAX_TOTAL][GSM_LCHAN_TCH_F]
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+ bts_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_MAX_TOTAL][GSM_LCHAN_TCH_H])
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&& !(bts_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_FREE][GSM_LCHAN_TCH_F]
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+ bts_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_FREE][GSM_LCHAN_TCH_H]));
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chan_counts_add(&bsc_counts, &bts_counts);
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}
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time_cc_set_flag(&net->all_allocated_sdcch,
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bsc_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_MAX_TOTAL][GSM_LCHAN_SDCCH]
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&& !bsc_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_FREE][GSM_LCHAN_SDCCH]);
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time_cc_set_flag(&net->all_allocated_tch,
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(bsc_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_MAX_TOTAL][GSM_LCHAN_TCH_F]
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+ bsc_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_MAX_TOTAL][GSM_LCHAN_TCH_H])
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&& !(bsc_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_FREE][GSM_LCHAN_TCH_F]
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+ bsc_counts.val[CHAN_COUNTS1_ALL][CHAN_COUNTS2_FREE][GSM_LCHAN_TCH_H]));
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}
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