| 1 | |
| 2 | * sync test runner
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| 3 | * Copyright 2015-2016 Collabora Ltd.
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| 4 | *
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| 5 | * Based on the implementation from the Android Open Source Project,
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| 6 | *
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| 7 | * Copyright 2012 Google, Inc
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| 8 | *
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| 9 | * Permission is hereby granted, free of charge, to any person obtaining a
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| 10 | * copy of this software and associated documentation files (the "Software"),
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| 11 | * to deal in the Software without restriction, including without limitation
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| 12 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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| 13 | * and/or sell copies of the Software, and to permit persons to whom the
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| 14 | * Software is furnished to do so, subject to the following conditions:
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| 15 | *
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| 16 | * The above copyright notice and this permission notice shall be included in
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| 17 | * all copies or substantial portions of the Software.
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| 18 | *
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| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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| 22 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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| 23 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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| 24 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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| 25 | * OTHER DEALINGS IN THE SOFTWARE.
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| 26 |
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| 27 |
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| 28 | #include <stdio.h>
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| 29 | #include <unistd.h>
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| 30 | #include <stdlib.h>
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| 31 | #include <sys/types.h>
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| 32 | #include <sys/stat.h>
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| 33 | #include <sys/wait.h>
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| 34 | #include <errno.h>
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| 35 | #include <string.h>
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| 36 |
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| 37 | #include "kselftest.h"
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| 38 | #include "synctest.h"
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| 39 |
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| 40 | static int run_test(int (*test)(void), char *name)
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| 41 | {
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| 42 | int result;
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| 43 | pid_t childpid;
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| 44 | int ret;
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| 45 |
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| 46 | fflush(stdout);
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| 47 | childpid = fork();
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| 48 |
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| 49 | if (childpid) {
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| 50 | waitpid(childpid, &result, 0);
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| 51 | if (WIFEXITED(result)) {
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| 52 | ret = WEXITSTATUS(result);
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| 53 | if (!ret)
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| 54 | ksft_test_result_pass("[RUN]\t%s\n", name);
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| 55 | else
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| 56 | ksft_test_result_fail("[RUN]\t%s\n", name);
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| 57 | return ret;
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| 58 | }
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| 59 | return 1;
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| 60 | }
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| 61 |
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| 62 | exit(test());
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| 63 | }
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| 64 |
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| 65 | static void sync_api_supported(void)
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| 66 | {
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| 67 | struct stat sbuf;
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| 68 | int ret;
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| 69 |
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| 70 | ret = stat("/sys/kernel/debug/sync/sw_sync", &sbuf);
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| 71 | if (!ret)
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| 72 | return;
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| 73 |
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| 74 | if (errno == ENOENT)
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| 75 | ksft_exit_skip("Sync framework not supported by kernel\n");
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| 76 |
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| 77 | if (errno == EACCES)
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| 78 | ksft_exit_skip("Run Sync test as root.\n");
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| 79 |
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| 80 | ksft_exit_fail_msg("stat failed on /sys/kernel/debug/sync/sw_sync: %s",
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| 81 | strerror(errno));
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| 82 | }
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| 83 |
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| 84 | int main(void)
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| 85 | {
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| 86 | int err;
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| 87 |
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| 88 | ksft_print_header();
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| 89 |
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| 90 | sync_api_supported();
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| 91 | ksft_set_plan(3 + 7);
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| 92 |
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| 93 | ksft_print_msg("[RUN]\tTesting sync framework\n");
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| 94 |
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| 95 | RUN_TEST(test_alloc_timeline);
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| 96 | RUN_TEST(test_alloc_fence);
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| 97 | RUN_TEST(test_alloc_fence_negative);
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| 98 |
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| 99 | RUN_TEST(test_fence_one_timeline_wait);
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| 100 | RUN_TEST(test_fence_one_timeline_merge);
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| 101 | RUN_TEST(test_fence_merge_same_fence);
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| 102 | RUN_TEST(test_fence_multi_timeline_wait);
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| 103 | RUN_TEST(test_stress_two_threads_shared_timeline);
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| 104 | RUN_TEST(test_consumer_stress_multi_producer_single_consumer);
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| 105 | RUN_TEST(test_merge_stress_random_merge);
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| 106 |
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| 107 | err = ksft_get_fail_cnt();
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| 108 | if (err)
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| 109 | ksft_exit_fail_msg("%d out of %d sync tests failed\n",
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| 110 | err, ksft_test_num());
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| 111 |
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| 112 | ksft_exit_pass();
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| 113 | }
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