From: Vladimír Čunát <vladimir.cunat@nic.cz>
Date: Mon, 14 Apr 2025 09:13:32 +0000 (+0200)
Subject: modules/stats: fix calculation of request's latency
X-Git-Tag: v6.0.12~4^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b7cd7cbae773fecfca795d7f0ef064fa85aec59c;p=thirdparty%2Fknot-resolver.git

modules/stats: fix calculation of request's latency
---

diff --git a/modules/stats/stats.c b/modules/stats/stats.c
index 09a0cfdc8..343b8c50a 100644
--- a/modules/stats/stats.c
+++ b/modules/stats/stats.c
@@ -263,8 +263,7 @@ static int collect(kr_layer_t *ctx)
 	/* Count cached and unresolved */
 	if (rplan->resolved.len > 0) {
 		/* Histogram of answer latency. */
-		struct kr_query *first = rplan->resolved.at[0];
-		uint64_t elapsed = kr_now() - first->timestamp_mono;
+		uint64_t elapsed = kr_now() - rplan->initial->creation_time_mono;
 		stat_const_add(data, metric_answer_sum_ms, elapsed);
 		if (elapsed <= 1) {
 			stat_const_add(data, metric_answer_1ms, 1);