//	(pprof) web
func BenchmarkServer(b *testing.B) {
	b.ReportAllocs()
	// Child process mode;
	if url := os.Getenv("TEST_BENCH_SERVER_URL"); url != "" {
		n, err := strconv.Atoi(os.Getenv("TEST_BENCH_CLIENT_N"))
		if err != nil {
			panic(err)
		}
		for i := 0; i < n; i++ {
			res, err := Get(url)
			if err != nil {
				log.Panicf("Get: %v", err)
			}
			all, err := io.ReadAll(res.Body)