tests(dnsdist): Add Ring insertion benchmarks

diff --git a/pdns/dnsdistdist/bench-dnsdist-rings_cc.cc b/pdns/dnsdistdist/bench-dnsdist-rings_cc.cc
new file mode 100644 (file)
index 0000000..d33754f
--- /dev/null
+++ b/pdns/dnsdistdist/bench-dnsdist-rings_cc.cc
@@ -0,0 +1,69 @@
+/*
+ * This file is part of PowerDNS or dnsdist.
+ * Copyright -- PowerDNS.COM B.V. and its contributors
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * In addition, for the avoidance of any doubt, permission is granted to
+ * link this program with OpenSSL and to (re)distribute the binaries
+ * produced as the result of such linking.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#include <string>
+#define CATCH_CONFIG_NO_MAIN
+#include <catch2/catch_test_macros.hpp>
+#include <catch2/benchmark/catch_benchmark.hpp>
+
+#include "dnsdist-rings.hh"
+#include "gettime.hh"
+
+struct ringInfo
+{
+  size_t maxEntries;
+  size_t numberOfShards;
+  size_t nbLockTries;
+};
+
+auto simpleRings = std::vector<ringInfo>{
+  {5, 1, 0},
+  {500, 10, 0},
+  {500, 100, 5},
+  {5000, 100, 5},
+  {1000000, 5000, 5},
+  {1000000, 5000, 20},
+};
+
+TEST_CASE("Rings/insert")
+{
+  for (auto const ringInfo : simpleRings) {
+    Rings rings;
+    rings.init(ringInfo.maxEntries, ringInfo.numberOfShards, ringInfo.nbLockTries);
+
+    dnsheader dnsheader{};
+    memset(&dnsheader, 0, sizeof(dnsheader));
+    DNSName qname("rings.powerdns.com.");
+    ComboAddress requestor1("192.0.2.1");
+    uint16_t qtype = QType::AAAA;
+    uint16_t size = 42;
+    dnsdist::Protocol protocol = dnsdist::Protocol::DoUDP;
+    struct timespec now{};
+    gettime(&now);
+
+    string benchName = "max=" + std::to_string(ringInfo.maxEntries) + ",shards=" + std::to_string(ringInfo.numberOfShards) + ",locktries=" + std::to_string(ringInfo.nbLockTries);
+
+    BENCHMARK(benchName.c_str())
+    {
+      rings.insertQuery(now, requestor1, qname, qtype, size, dnsheader, protocol);
+    };
+  }
+}

diff --git a/pdns/dnsdistdist/meson.build b/pdns/dnsdistdist/meson.build
index 8d00f3f9549c737cd17cac363dbe94bcffb2234d..61545d3210b886348adc0d5464ee8d14556aec6e 100644 (file)
--- a/pdns/dnsdistdist/meson.build
+++ b/pdns/dnsdistdist/meson.build
@@ -598,6 +598,7 @@ benchmark_sources = files(
   src_dir / 'bench-dnsdist-action-rcode.cc',
   src_dir / 'bench-dnsdist-dnsparser_cc.cc',
   src_dir / 'bench-dnsdist-opentelemetry_cc.cc',
+  src_dir / 'bench-dnsdist-rings_cc.cc',
 )
 
 if get_option('benchmark')