dnsdist: Add Prometheus latency histogram support

[thirdparty/pdns.git] / pdns / dnsdist.cc

diff --git a/pdns/dnsdist.cc b/pdns/dnsdist.cc
index 95b1d7f8f2689efce3add9eacb41d6b370225935..d5c17029a986ca9f5ebabb205317182dcd1f3a8a 100644 (file)
--- a/pdns/dnsdist.cc
+++ b/pdns/dnsdist.cc
@@ -200,6 +200,7 @@ void doLatencyStats(double udiff)
   else if(udiff < 100000) ++g_stats.latency50_100;
   else if(udiff < 1000000) ++g_stats.latency100_1000;
   else ++g_stats.latencySlow;
+  g_stats.latencySum += udiff / 1000;
 
   auto doAvg = [](double& var, double n, double weight) {
     var = (weight -1) * var/weight + n/weight;
@@ -2792,3 +2793,8 @@ catch(PDNSException &ae)
   errlog("Fatal pdns error: %s", ae.reason);
   _exit(EXIT_FAILURE);
 }
+
+uint64_t getLatencyCount(const std::string&)
+{
+    return g_stats.responses + g_stats.selfAnswered + g_stats.cacheHits;
+}