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// Copyright 2020 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 <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>
#include "gtest/gtest.h"
#include "benchmark/benchmark.h"
namespace gvisor {
namespace testing {
namespace {
void BM_Gettid(benchmark::State& state) {
for (auto _ : state) {
syscall(SYS_gettid);
}
}
BENCHMARK(BM_Gettid)->ThreadRange(1, 4000)->UseRealTime();
} // namespace
} // namespace testing
} // namespace gvisor
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