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(msg: "[RUN]\t%s\n" , name); |
55 | else |
56 | ksft_test_result_fail(msg: "[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(msg: "Sync framework not supported by kernel\n" ); |
76 | |
77 | if (errno == EACCES) |
78 | ksft_exit_skip(msg: "Run Sync test as root.\n" ); |
79 | |
80 | ksft_exit_fail_msg(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 | |
90 | sync_api_supported(); |
91 | ksft_set_plan(plan: 3 + 7); |
92 | |
93 | ksft_print_msg(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(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 | } |
115 | |