libxkbcommon/bench/x11.c

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/*
* Copyright © 2020 Ran Benita <ran@unusedvar.com>
*
* 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 (including the next
* paragraph) 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 "config.h"
#include <assert.h>
#include <stdlib.h>
#include <xcb/xkb.h>
#include "xkbcommon/xkbcommon.h"
#include "xkbcommon/xkbcommon-x11.h"
#include "bench.h"
#define BENCHMARK_ITERATIONS 2500
int
main(void)
{
int ret;
xcb_connection_t *conn;
int32_t device_id;
struct xkb_context *ctx;
struct bench bench;
char *elapsed;
conn = xcb_connect(NULL, NULL);
if (!conn || xcb_connection_has_error(conn)) {
fprintf(stderr, "Couldn't connect to X server: error code %d\n",
conn ? xcb_connection_has_error(conn) : -1);
ret = -1;
goto err_out;
}
ret = xkb_x11_setup_xkb_extension(conn,
XKB_X11_MIN_MAJOR_XKB_VERSION,
XKB_X11_MIN_MINOR_XKB_VERSION,
XKB_X11_SETUP_XKB_EXTENSION_NO_FLAGS,
NULL, NULL, NULL, NULL);
if (!ret) {
fprintf(stderr, "Couldn't setup XKB extension\n");
goto err_conn;
}
device_id = xkb_x11_get_core_keyboard_device_id(conn);
if (device_id == -1) {
ret = -1;
fprintf(stderr, "Couldn't find core keyboard device\n");
goto err_conn;
}
ctx = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
if (!ctx) {
ret = -1;
fprintf(stderr, "Couldn't create xkb context\n");
goto err_conn;
}
bench_start(&bench);
for (int i = 0; i < BENCHMARK_ITERATIONS; i++) {
struct xkb_keymap *keymap;
struct xkb_state *state;
keymap = xkb_x11_keymap_new_from_device(ctx, conn, device_id,
XKB_KEYMAP_COMPILE_NO_FLAGS);
assert(keymap);
state = xkb_x11_state_new_from_device(keymap, conn, device_id);
assert(state);
xkb_state_unref(state);
xkb_keymap_unref(keymap);
}
bench_stop(&bench);
ret = 0;
elapsed = bench_elapsed_str(&bench);
fprintf(stderr, "retrieved %d keymaps from X in %ss\n",
BENCHMARK_ITERATIONS, elapsed);
free(elapsed);
xkb_context_unref(ctx);
err_conn:
xcb_disconnect(conn);
err_out:
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}