--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/third_party/libuv/test/benchmark-getaddrinfo.c	Wed Jan 14 19:39:52 2026 -0800
@@ -0,0 +1,92 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "task.h"
+#include <stdlib.h>
+
+#define CONCURRENT_CALLS 10
+#define TOTAL_CALLS 10000
+
+static const char* name = "localhost";
+
+static uv_loop_t* loop;
+
+static uv_getaddrinfo_t handles[CONCURRENT_CALLS];
+
+static int calls_initiated = 0;
+static int calls_completed = 0;
+static int64_t start_time;
+static int64_t end_time;
+
+
+static void getaddrinfo_initiate(uv_getaddrinfo_t* handle);
+
+
+static void getaddrinfo_cb(uv_getaddrinfo_t* handle, int status,
+    struct addrinfo* res) {
+  ASSERT_OK(status);
+  calls_completed++;
+  if (calls_initiated < TOTAL_CALLS) {
+    getaddrinfo_initiate(handle);
+  }
+
+  uv_freeaddrinfo(res);
+}
+
+
+static void getaddrinfo_initiate(uv_getaddrinfo_t* handle) {
+  int r;
+
+  calls_initiated++;
+
+  r = uv_getaddrinfo(loop, handle, &getaddrinfo_cb, name, NULL, NULL);
+  ASSERT_OK(r);
+}
+
+
+BENCHMARK_IMPL(getaddrinfo) {
+  int i;
+
+  loop = uv_default_loop();
+
+  uv_update_time(loop);
+  start_time = uv_now(loop);
+
+  for (i = 0; i < CONCURRENT_CALLS; i++) {
+    getaddrinfo_initiate(&handles[i]);
+  }
+
+  uv_run(loop, UV_RUN_DEFAULT);
+
+  uv_update_time(loop);
+  end_time = uv_now(loop);
+
+  ASSERT_EQ(calls_initiated, TOTAL_CALLS);
+  ASSERT_EQ(calls_completed, TOTAL_CALLS);
+
+  fprintf(stderr, "getaddrinfo: %.0f req/s\n",
+          (double) calls_completed / (double) (end_time - start_time) * 1000.0);
+  fflush(stderr);
+
+  MAKE_VALGRIND_HAPPY(loop);
+  return 0;
+}