1 /*
2 * Copyright © 2012 Ran Benita <ran234@gmail.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 <stdlib.h>
25 #include <time.h>
26
27 #include "../test/test.h"
28
29 #define BENCHMARK_ITERATIONS 20000000
30
31 static void
bench(struct xkb_state * state)32 bench(struct xkb_state *state)
33 {
34 int8_t keys[256] = { 0 };
35 xkb_keycode_t keycode;
36 xkb_keysym_t keysym;
37 int i;
38
39 for (i = 0; i < BENCHMARK_ITERATIONS; i++) {
40 keycode = (rand() % (255 - 9)) + 9;
41 if (keys[keycode]) {
42 xkb_state_update_key(state, keycode, XKB_KEY_UP);
43 keys[keycode] = 0;
44 keysym = xkb_state_key_get_one_sym(state, keycode);
45 (void) keysym;
46 } else {
47 xkb_state_update_key(state, keycode, XKB_KEY_DOWN);
48 keys[keycode] = 1;
49 }
50 }
51 }
52
53 int
main(void)54 main(void)
55 {
56 struct xkb_context *ctx;
57 struct xkb_keymap *keymap;
58 struct xkb_state *state;
59 struct timespec start, stop, elapsed;
60
61 ctx = test_get_context(0);
62 assert(ctx);
63
64 keymap = test_compile_rules(ctx, "evdev", "pc104", "us,ru,il,de",
65 ",,,neo", "grp:menu_toggle");
66 assert(keymap);
67
68 state = xkb_state_new(keymap);
69 assert(state);
70
71 xkb_context_set_log_level(ctx, XKB_LOG_LEVEL_CRITICAL);
72 xkb_context_set_log_verbosity(ctx, 0);
73
74 srand(time(NULL));
75
76 clock_gettime(CLOCK_MONOTONIC, &start);
77 bench(state);
78 clock_gettime(CLOCK_MONOTONIC, &stop);
79
80 elapsed.tv_sec = stop.tv_sec - start.tv_sec;
81 elapsed.tv_nsec = stop.tv_nsec - start.tv_nsec;
82 if (elapsed.tv_nsec < 0) {
83 elapsed.tv_nsec += 1000000000;
84 elapsed.tv_sec--;
85 }
86
87 fprintf(stderr, "ran %d iterations in %ld.%09lds\n",
88 BENCHMARK_ITERATIONS, elapsed.tv_sec, elapsed.tv_nsec);
89
90 xkb_state_unref(state);
91 xkb_keymap_unref(keymap);
92 xkb_context_unref(ctx);
93
94 return 0;
95 }
96