From 4df959d3055b5d481a9922be85e54bba1b29b7d8 Mon Sep 17 00:00:00 2001
From: Oliver Smith <osmith@sysmocom.de>
Date: Thu, 24 Jun 2021 17:01:41 +0200
Subject: [PATCH] Add counters: pcu.bts.N.pch.requests

Count attempted paging requests over PCH.

Related: SYS#4878
Change-Id: I1026780ef8542f40060b961df2f37213e15c29d7
---
 src/bts.cpp         | 5 +++--
 src/bts.h           | 1 +
 src/gprs_rlcmac.cpp | 1 +
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/bts.cpp b/src/bts.cpp
index ee6b915a..4e3b770b 100644
--- a/src/bts.cpp
+++ b/src/bts.cpp
@@ -132,8 +132,9 @@ static const struct rate_ctr_desc bts_ctr_description[] = {
 	{ "llc:scheduled",		"Scheduled Frames     "},
 	{ "llc:dl_bytes",               "RLC encapsulated PDUs"},
 	{ "llc:ul_bytes",               "full PDUs received   "},
-	{ "rach:requests",		"RACH requests        "},
-	{ "11bit_rach:requests",	"11BIT_RACH requests  "},
+	{ "pch:requests",		"PCH requests sent    "},
+	{ "rach:requests",		"RACH requests received"},
+	{ "11bit_rach:requests",	"11BIT_RACH requests received"},
 	{ "spb:uplink_first_segment",   "First seg of UL SPB  "},
 	{ "spb:uplink_second_segment",  "Second seg of UL SPB "},
 	{ "spb:downlink_first_segment", "First seg of DL SPB  "},
diff --git a/src/bts.h b/src/bts.h
index a2f4598e..c28bd973 100644
--- a/src/bts.h
+++ b/src/bts.h
@@ -125,6 +125,7 @@ enum {
 	CTR_LLC_FRAME_SCHED,
 	CTR_LLC_DL_BYTES,
 	CTR_LLC_UL_BYTES,
+	CTR_PCH_REQUESTS,
 	CTR_RACH_REQUESTS,
 	CTR_11BIT_RACH_REQUESTS,
 	CTR_SPB_UL_FIRST_SEGMENT,
diff --git a/src/gprs_rlcmac.cpp b/src/gprs_rlcmac.cpp
index 71849b8c..ffa656c3 100644
--- a/src/gprs_rlcmac.cpp
+++ b/src/gprs_rlcmac.cpp
@@ -47,6 +47,7 @@ int gprs_rlcmac_paging_request(struct gprs_rlcmac_bts *bts, const struct osmo_mo
 		LOGP(DRLCMAC, LOGL_ERROR, "TX: [PCU -> BTS] Failed to encode Paging Request\n");
 		return -1;
 	}
+	bts_do_rate_ctr_inc(bts, CTR_PCH_REQUESTS);
 	pcu_l1if_tx_pch(bts, paging_request, plen, pgroup);
 	bitvec_free(paging_request);