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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114/* * 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 <stdio.h>#include <unistd.h>#include <stdlib.h>#include <sys/types.h>#include <sys/stat.h>#include <sys/wait.h>#include <errno.h>#include <string.h>
#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());
ksft_exit_pass();}