From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- tools/testing/selftests/sync/sync_test.c | 114 +++++++++++++++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 tools/testing/selftests/sync/sync_test.c (limited to 'tools/testing/selftests/sync/sync_test.c') diff --git a/tools/testing/selftests/sync/sync_test.c b/tools/testing/selftests/sync/sync_test.c new file mode 100644 index 000000000..414a617db --- /dev/null +++ b/tools/testing/selftests/sync/sync_test.c @@ -0,0 +1,114 @@ +/* + * sync test runner + * Copyright 2015-2016 Collabora Ltd. + * + * Based on the implementation from the Android Open Source Project, + * + * Copyright 2012 Google, Inc + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "../kselftest.h" +#include "synctest.h" + +static int run_test(int (*test)(void), char *name) +{ + int result; + pid_t childpid; + int ret; + + fflush(stdout); + childpid = fork(); + + if (childpid) { + waitpid(childpid, &result, 0); + if (WIFEXITED(result)) { + ret = WEXITSTATUS(result); + if (!ret) + ksft_test_result_pass("[RUN]\t%s\n", name); + else + ksft_test_result_fail("[RUN]\t%s\n", name); + return ret; + } + return 1; + } + + exit(test()); +} + +static void sync_api_supported(void) +{ + struct stat sbuf; + int ret; + + ret = stat("/sys/kernel/debug/sync/sw_sync", &sbuf); + if (!ret) + return; + + if (errno == ENOENT) + ksft_exit_skip("Sync framework not supported by kernel\n"); + + if (errno == EACCES) + ksft_exit_skip("Run Sync test as root.\n"); + + ksft_exit_fail_msg("stat failed on /sys/kernel/debug/sync/sw_sync: %s", + strerror(errno)); +} + +int main(void) +{ + int err; + + ksft_print_header(); + + sync_api_supported(); + ksft_set_plan(3 + 7); + + ksft_print_msg("[RUN]\tTesting sync framework\n"); + + RUN_TEST(test_alloc_timeline); + RUN_TEST(test_alloc_fence); + RUN_TEST(test_alloc_fence_negative); + + RUN_TEST(test_fence_one_timeline_wait); + RUN_TEST(test_fence_one_timeline_merge); + RUN_TEST(test_fence_merge_same_fence); + RUN_TEST(test_fence_multi_timeline_wait); + RUN_TEST(test_stress_two_threads_shared_timeline); + RUN_TEST(test_consumer_stress_multi_producer_single_consumer); + RUN_TEST(test_merge_stress_random_merge); + + err = ksft_get_fail_cnt(); + if (err) + ksft_exit_fail_msg("%d out of %d sync tests failed\n", + err, ksft_test_num()); + + /* need this return to keep gcc happy */ + return ksft_exit_pass(); +} -- cgit v1.2.3