| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * sync test runner |
| 3 | * Copyright 2015-2016 Collabora Ltd. |
| 4 | * |
| 5 | * Based on the implementation from the Android Open Source Project, |
| 6 | * |
| 7 | * Copyright 2012 Google, Inc |
| 8 | * |
| 9 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 10 | * copy of this software and associated documentation files (the "Software"), |
| 11 | * to deal in the Software without restriction, including without limitation |
| 12 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 13 | * and/or sell copies of the Software, and to permit persons to whom the |
| 14 | * Software is furnished to do so, subject to the following conditions: |
| 15 | * |
| 16 | * The above copyright notice and this permission notice shall be included in |
| 17 | * all copies or substantial portions of the Software. |
| 18 | * |
| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 22 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 23 | * 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 OR |
| 25 | * 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 | |
| 40 | static 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 | else |
| 56 | ksft_test_result_fail("[RUN]\t%s\n", name); |
| 57 | return ret; |
| 58 | } |
| 59 | return 1; |
| 60 | } |
| 61 | |
| 62 | exit(test()); |
| 63 | } |
| 64 | |
| 65 | static 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 | |
| 84 | int main(void) |
| 85 | { |
| 86 | int err; |
| 87 | |
| 88 | ksft_print_header(); |
| 89 | ksft_set_plan(3 + 7); |
| 90 | |
| 91 | sync_api_supported(); |
| 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 | /* need this return to keep gcc happy */ |
| 113 | return ksft_exit_pass(); |
| 114 | } |