Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
35#include "synctest.h"
36
37static int run_test(int (*test)(void), char *name)
38{
39 int result;
40 pid_t childpid;
41
42 fflush(stdout);
43 childpid = fork();
44
45 if (childpid) {
46 waitpid(childpid, &result, 0);
47 if (WIFEXITED(result))
48 return WEXITSTATUS(result);
49 return 1;
50 }
51
52 printf("[RUN]\tExecuting %s\n", name);
53 exit(test());
54}
55
56static int sync_api_supported(void)
57{
58 struct stat sbuf;
59
60 return 0 == stat("/sys/kernel/debug/sync/sw_sync", &sbuf);
61}
62
63int main(void)
64{
65 int err = 0;
66
67 if (!sync_api_supported()) {
68 printf("SKIP: Sync framework not supported by kernel\n");
69 return 0;
70 }
71
72 printf("[RUN]\tTesting sync framework\n");
73
74 err += RUN_TEST(test_alloc_timeline);
75 err += RUN_TEST(test_alloc_fence);
76 err += RUN_TEST(test_alloc_fence_negative);
77
78 err += RUN_TEST(test_fence_one_timeline_wait);
79 err += RUN_TEST(test_fence_one_timeline_merge);
80 err += RUN_TEST(test_fence_merge_same_fence);
81 err += RUN_TEST(test_fence_multi_timeline_wait);
82 err += RUN_TEST(test_stress_two_threads_shared_timeline);
83 err += RUN_TEST(test_consumer_stress_multi_producer_single_consumer);
84 err += RUN_TEST(test_merge_stress_random_merge);
85
86 if (err)
87 printf("[FAIL]\tsync errors: %d\n", err);
88 else
89 printf("[OK]\tsync\n");
90
91 return !!err;
92}