1 /*
2 * Copyright © 2020 Ran Benita <ran@unusedvar.com>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 */
23
24 #include "config.h"
25
26 #include <assert.h>
27 #include <stdlib.h>
28
29 #include <xcb/xkb.h>
30
31 #include "xkbcommon/xkbcommon.h"
32 #include "xkbcommon/xkbcommon-x11.h"
33
34 #include "bench.h"
35
36 #define BENCHMARK_ITERATIONS 2500
37
38 int
main(void)39 main(void)
40 {
41 int ret;
42 xcb_connection_t *conn;
43 int32_t device_id;
44 struct xkb_context *ctx;
45 struct bench bench;
46 char *elapsed;
47
48 conn = xcb_connect(NULL, NULL);
49 if (!conn || xcb_connection_has_error(conn)) {
50 fprintf(stderr, "Couldn't connect to X server: error code %d\n",
51 conn ? xcb_connection_has_error(conn) : -1);
52 ret = -1;
53 goto err_out;
54 }
55
56 ret = xkb_x11_setup_xkb_extension(conn,
57 XKB_X11_MIN_MAJOR_XKB_VERSION,
58 XKB_X11_MIN_MINOR_XKB_VERSION,
59 XKB_X11_SETUP_XKB_EXTENSION_NO_FLAGS,
60 NULL, NULL, NULL, NULL);
61 if (!ret) {
62 fprintf(stderr, "Couldn't setup XKB extension\n");
63 goto err_conn;
64 }
65
66 device_id = xkb_x11_get_core_keyboard_device_id(conn);
67 if (device_id == -1) {
68 ret = -1;
69 fprintf(stderr, "Couldn't find core keyboard device\n");
70 goto err_conn;
71 }
72
73 ctx = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
74 if (!ctx) {
75 ret = -1;
76 fprintf(stderr, "Couldn't create xkb context\n");
77 goto err_conn;
78 }
79
80 bench_start(&bench);
81 for (int i = 0; i < BENCHMARK_ITERATIONS; i++) {
82 struct xkb_keymap *keymap;
83 struct xkb_state *state;
84
85 keymap = xkb_x11_keymap_new_from_device(ctx, conn, device_id,
86 XKB_KEYMAP_COMPILE_NO_FLAGS);
87 assert(keymap);
88
89 state = xkb_x11_state_new_from_device(keymap, conn, device_id);
90 assert(state);
91
92 xkb_state_unref(state);
93 xkb_keymap_unref(keymap);
94 }
95 bench_stop(&bench);
96 ret = 0;
97
98 elapsed = bench_elapsed_str(&bench);
99 fprintf(stderr, "retrieved %d keymaps from X in %ss\n",
100 BENCHMARK_ITERATIONS, elapsed);
101 free(elapsed);
102
103 xkb_context_unref(ctx);
104 err_conn:
105 xcb_disconnect(conn);
106 err_out:
107 return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
108 }
109