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+// 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