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79 lines
2.3 KiB
79 lines
2.3 KiB
/*
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* Copyright 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#include <gtest/gtest.h>
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#include <gmock/gmock.h>
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#include <cpu-features.h>
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#include <iostream>
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#include <unistd.h>
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#include <sched.h>
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#include <errno.h>
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#include <vector>
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#include <cstdlib>
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#include "testutils.h"
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/**
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* Call to sched_setaffinity must be repected.
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*/
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TEST(cpu, sched_setaffinity) {
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ASSUME_GAMECORE_CERTIFIED();
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int cpu_count = android_getCpuCount();
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for (int cpu = 0; cpu < cpu_count; ++cpu) {
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cpu_set_t set;
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CPU_ZERO(&set);
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CPU_SET(cpu, &set);
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int rc = sched_setaffinity(0, sizeof(cpu_set_t), &set);
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ASSERT_EQ(0, rc) << "sched_setaffinity failed. error = " << errno;
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ASSERT_EQ(cpu, sched_getcpu()) << "sched_setaffinity was not respected.";
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}
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}
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TEST(cpu, sched_setaffinity_multiple_cpu) {
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ASSUME_GAMECORE_CERTIFIED();
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int cpu_count = android_getCpuCount();
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std::vector<std::vector<int>> data {
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{0, 1},
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{2, 3, 4, 5},
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{6, 7},
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{0, 1, 2, 3},
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{4, 5, 6, 7},
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{0, cpu_count - 1}};
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for (auto test_data : data) {
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cpu_set_t set;
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CPU_ZERO(&set);
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for (int i = 0; i < test_data.size(); ++i) {
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auto cpu = test_data[i];
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if (cpu >= cpu_count) {
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cpu = cpu_count - 1;
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test_data[i] = cpu;
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}
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cpu_set_t other_set;
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CPU_ZERO(&other_set);
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CPU_SET(cpu, &other_set);
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CPU_OR(&set, &set, &other_set);
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}
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int rc = sched_setaffinity(0, sizeof(cpu_set_t), &set);
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ASSERT_EQ(0, rc) << "sched_setaffinity failed. error = " << errno;
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ASSERT_THAT(test_data, ::testing::Contains(sched_getcpu()))
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<< "sched_setaffinity was not respected.";
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}
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}
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