+ b->use_memfd = 1;
+ assert_se(sd_bus_message_new_method_call(b, ":1.1", "/", "benchmark.server", "Exit", &x) >= 0);
+ assert_se(sd_bus_message_append(x, "t", csize) >= 0);
+ assert_se(sd_bus_send(b, x, NULL) >= 0);
+
+ sd_bus_unref(b);
+}
+
+static void client_chart(const char *address) {
+ _cleanup_bus_message_unref_ sd_bus_message *x = NULL;
+ size_t csize;
+ sd_bus *b;
+ int r;
+
+ r = sd_bus_new(&b);
+ assert_se(r >= 0);
+
+ r = sd_bus_set_address(b, address);
+ assert_se(r >= 0);
+
+ r = sd_bus_start(b);
+ assert_se(r >= 0);
+
+ assert_se(sd_bus_call_method(b, ":1.1", "/", "benchmark.server", "Ping", NULL, NULL, NULL) >= 0);
+
+ printf("SIZE\tCOPY\tMEMFD\n");
+
+ for (csize = 1; csize <= MAX_SIZE; csize *= 2) {
+ usec_t t;
+ unsigned n_copying, n_memfd;
+
+ printf("%zu\t", csize);
+
+ b->use_memfd = 0;
+
+ t = now(CLOCK_MONOTONIC);
+ for (n_copying = 0;; n_copying++) {
+ transaction(b, csize);
+ if (now(CLOCK_MONOTONIC) >= t + arg_loop_usec)
+ break;
+ }
+
+ printf("%u\t", (unsigned) ((n_copying * USEC_PER_SEC) / arg_loop_usec));
+
+ b->use_memfd = -1;
+
+ t = now(CLOCK_MONOTONIC);
+ for (n_memfd = 0;; n_memfd++) {
+ transaction(b, csize);
+ if (now(CLOCK_MONOTONIC) >= t + arg_loop_usec)
+ break;
+ }
+
+ printf("%u\n", (unsigned) ((n_memfd * USEC_PER_SEC) / arg_loop_usec));
+ }
+
+ b->use_memfd = 1;