From: Michael Tremer <michael.tremer@ipfire.org>
Date: Fri, 28 Nov 2025 12:38:58 +0000 (+0000)
Subject: sources: unbound: Collect cache usage
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ba12783b6fd9ab71664806869821f814f841c7be;p=telemetry.git

sources: unbound: Collect cache usage

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/daemon/sources/unbound.c b/src/daemon/sources/unbound.c
index d9bb61f..093195e 100644
--- a/src/daemon/sources/unbound.c
+++ b/src/daemon/sources/unbound.c
@@ -33,6 +33,10 @@ static int unbound_on_success(td_ctx* ctx,
 	unsigned long cachemiss = 0;
 	unsigned long prefetch = 0;
 	unsigned long queries = 0;
+	unsigned long msg_cache_count = 0;
+	unsigned long rrset_cache_count = 0;
+	unsigned long infra_cache_count = 0;
+	unsigned long key_cache_count = 0;
 	double rec_time_median = 0;
 	double rec_time_avg = 0;
 	int r;
@@ -43,8 +47,17 @@ static int unbound_on_success(td_ctx* ctx,
 		PARSE1("total.num.cachemiss=%lu", &cachemiss),
 		PARSE1("total.num.prefetch=%lu", &prefetch),
 		PARSE1("total.num.recursivereplies=%lu", &rec_replies),
+
+		// Recursion Performance
 		PARSE1("total.recursion.time.avg=%lf", &rec_time_avg),
 		PARSE1("total.recursion.time.median=%lf", &rec_time_median),
+
+		// Cache Usage
+		PARSE1("msg.cache.count=%ld", &msg_cache_count),
+		PARSE1("rrset.cache.count=%ld", &rrset_cache_count),
+		PARSE1("infra.cache.count=%ld", &infra_cache_count),
+		PARSE1("key.cache.count=%ld", &key_cache_count),
+
 		{ NULL },
 	};
 
@@ -60,8 +73,16 @@ static int unbound_on_success(td_ctx* ctx,
 		VALUE_UINT64("cachemiss",       &cachemiss),
 		VALUE_UINT64("prefetch",        &prefetch),
 		VALUE_UINT64("rec_replies",     &rec_replies),
+
+		// Recursion Performance
 		VALUE_FLOAT ("rec_time_avg",    &rec_time_avg),
-		VALUE_FLOAT ("rec_time_median", &rec_time_median)
+		VALUE_FLOAT ("rec_time_median", &rec_time_median),
+
+		// Cache Usage
+		VALUE_UINT64("cache_msg_objects",   &msg_cache_count),
+		VALUE_UINT64("cache_rrset_objects", &rrset_cache_count),
+		VALUE_UINT64("cache_infra_objects", &infra_cache_count),
+		VALUE_UINT64("cache_key_objects",   &key_cache_count)
 	));
 }
 
@@ -84,8 +105,17 @@ const td_source_impl unbound_source = {
 		{ "cachemiss",       "DERIVE", 0, -1, },
 		{ "prefetch",        "DERIVE", 0, -1, },
 		{ "rec_replies",     "DERIVE", 0, -1, },
+
+		// Recursion Performance
 		{ "rec_time_avg",    "GAUGE",  0, -1, },
 		{ "rec_time_median", "GAUGE",  0, -1, },
+
+		// Cache Usage
+		{ "cache_msg_objects",   "GAUGE", 0, -1 },
+		{ "cache_rrset_objects", "GAUGE", 0, -1 },
+		{ "cache_infra_objects", "GAUGE", 0, -1 },
+		{ "cache_key_objects",   "GAUGE", 0, -1 },
+
 		{ NULL },
 	},