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1/*2 * sync test runner3 * Copyright 2015-2016 Collabora Ltd.4 *5 * Based on the implementation from the Android Open Source Project,6 *7 * Copyright 2012 Google, Inc8 *9 * Permission is hereby granted, free of charge, to any person obtaining a10 * copy of this software and associated documentation files (the "Software"),11 * to deal in the Software without restriction, including without limitation12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,13 * and/or sell copies of the Software, and to permit persons to whom the14 * Software is furnished to do so, subject to the following conditions:15 *16 * The above copyright notice and this permission notice shall be included in17 * all copies or substantial portions of the Software.18 *19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL22 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR23 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR25 * OTHER DEALINGS IN THE SOFTWARE.26 */27 28#include <stdio.h>29#include <unistd.h>30#include <stdlib.h>31#include <sys/types.h>32#include <sys/stat.h>33#include <sys/wait.h>34#include <errno.h>35#include <string.h>36 37#include "../kselftest.h"38#include "synctest.h"39 40static int run_test(int (*test)(void), char *name)41{42 int result;43 pid_t childpid;44 int ret;45 46 fflush(stdout);47 childpid = fork();48 49 if (childpid) {50 waitpid(childpid, &result, 0);51 if (WIFEXITED(result)) {52 ret = WEXITSTATUS(result);53 if (!ret)54 ksft_test_result_pass("[RUN]\t%s\n", name);55 else56 ksft_test_result_fail("[RUN]\t%s\n", name);57 return ret;58 }59 return 1;60 }61 62 exit(test());63}64 65static void sync_api_supported(void)66{67 struct stat sbuf;68 int ret;69 70 ret = stat("/sys/kernel/debug/sync/sw_sync", &sbuf);71 if (!ret)72 return;73 74 if (errno == ENOENT)75 ksft_exit_skip("Sync framework not supported by kernel\n");76 77 if (errno == EACCES)78 ksft_exit_skip("Run Sync test as root.\n");79 80 ksft_exit_fail_msg("stat failed on /sys/kernel/debug/sync/sw_sync: %s",81 strerror(errno));82}83 84int main(void)85{86 int err;87 88 ksft_print_header();89 90 sync_api_supported();91 ksft_set_plan(3 + 7);92 93 ksft_print_msg("[RUN]\tTesting sync framework\n");94 95 RUN_TEST(test_alloc_timeline);96 RUN_TEST(test_alloc_fence);97 RUN_TEST(test_alloc_fence_negative);98 99 RUN_TEST(test_fence_one_timeline_wait);100 RUN_TEST(test_fence_one_timeline_merge);101 RUN_TEST(test_fence_merge_same_fence);102 RUN_TEST(test_fence_multi_timeline_wait);103 RUN_TEST(test_stress_two_threads_shared_timeline);104 RUN_TEST(test_consumer_stress_multi_producer_single_consumer);105 RUN_TEST(test_merge_stress_random_merge);106 107 err = ksft_get_fail_cnt();108 if (err)109 ksft_exit_fail_msg("%d out of %d sync tests failed\n",110 err, ksft_test_num());111 112 ksft_exit_pass();113}114