// Copyright 2018 The gVisor Authors. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #include <sched.h> #include "gtest/gtest.h" #include "absl/time/clock.h" #include "absl/time/time.h" #include "test/util/test_util.h" namespace gvisor { namespace testing { namespace { TEST(GetcpuTest, IsValidCpuStress) { const int num_cpus = NumCPUs(); absl::Time deadline = absl::Now() + absl::Seconds(10); while (absl::Now() < deadline) { int cpu; ASSERT_THAT(cpu = sched_getcpu(), SyscallSucceeds()); ASSERT_LT(cpu, num_cpus); } } } // namespace } // namespace testing } // namespace gvisor