84 lines · c
1// SPDX-License-Identifier: GPL-2.02/* Copyright (c) 2023 Meta Platforms, Inc. and affiliates. */3 4#include <test_progs.h>5#include "cpumask_failure.skel.h"6#include "cpumask_success.skel.h"7 8static const char * const cpumask_success_testcases[] = {9 "test_alloc_free_cpumask",10 "test_set_clear_cpu",11 "test_setall_clear_cpu",12 "test_first_firstzero_cpu",13 "test_firstand_nocpu",14 "test_test_and_set_clear",15 "test_and_or_xor",16 "test_intersects_subset",17 "test_copy_any_anyand",18 "test_insert_leave",19 "test_insert_remove_release",20 "test_global_mask_rcu",21 "test_global_mask_array_one_rcu",22 "test_global_mask_array_rcu",23 "test_global_mask_array_l2_rcu",24 "test_global_mask_nested_rcu",25 "test_global_mask_nested_deep_rcu",26 "test_global_mask_nested_deep_array_rcu",27 "test_cpumask_weight",28};29 30static void verify_success(const char *prog_name)31{32 struct cpumask_success *skel;33 struct bpf_program *prog;34 struct bpf_link *link = NULL;35 pid_t child_pid;36 int status, err;37 38 skel = cpumask_success__open();39 if (!ASSERT_OK_PTR(skel, "cpumask_success__open"))40 return;41 42 skel->bss->pid = getpid();43 skel->bss->nr_cpus = libbpf_num_possible_cpus();44 45 err = cpumask_success__load(skel);46 if (!ASSERT_OK(err, "cpumask_success__load"))47 goto cleanup;48 49 prog = bpf_object__find_program_by_name(skel->obj, prog_name);50 if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name"))51 goto cleanup;52 53 link = bpf_program__attach(prog);54 if (!ASSERT_OK_PTR(link, "bpf_program__attach"))55 goto cleanup;56 57 child_pid = fork();58 if (!ASSERT_GT(child_pid, -1, "child_pid"))59 goto cleanup;60 if (child_pid == 0)61 _exit(0);62 waitpid(child_pid, &status, 0);63 ASSERT_OK(skel->bss->err, "post_wait_err");64 65cleanup:66 bpf_link__destroy(link);67 cpumask_success__destroy(skel);68}69 70void test_cpumask(void)71{72 int i;73 74 for (i = 0; i < ARRAY_SIZE(cpumask_success_testcases); i++) {75 if (!test__start_subtest(cpumask_success_testcases[i]))76 continue;77 78 verify_success(cpumask_success_testcases[i]);79 }80 81 RUN_TESTS(cpumask_success);82 RUN_TESTS(cpumask_failure);83}84