82 lines
2.9 KiB
C++
82 lines
2.9 KiB
C++
/*
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* Copyright (C) 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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#include <android-base/logging.h>
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#include <android-base/stringprintf.h>
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#include <benchmark/benchmark.h>
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#include "bpf/BpfMap.h"
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#include "bpf/BpfUtils.h"
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constexpr uint32_t TEST_MAP_SIZE = 10000;
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using android::base::Result;
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using android::base::StringPrintf;
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using android::bpf::BpfMap;
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class BpfBenchMark : public ::benchmark::Fixture {
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public:
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BpfBenchMark() : mBpfTestMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, BPF_F_NO_PREALLOC) {}
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BpfMap<uint32_t, uint32_t> mBpfTestMap;
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};
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BENCHMARK_DEFINE_F(BpfBenchMark, MapWriteNewEntry)(benchmark::State& state) {
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for (auto _ : state) { // NOLINT(clang-analyzer-deadcode.DeadStores)
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// TODO(b/147676069) assert
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mBpfTestMap.writeValue(state.range(0), state.range(0), BPF_NOEXIST);
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}
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}
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BENCHMARK_DEFINE_F(BpfBenchMark, MapUpdateEntry)(benchmark::State& state) {
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for (uint32_t i = 0; i < TEST_MAP_SIZE; i++) {
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// TODO(b/147676069) assert
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mBpfTestMap.writeValue(i, i, BPF_NOEXIST);
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}
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for (auto _ : state) { // NOLINT(clang-analyzer-deadcode.DeadStores)
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// TODO(b/147676069) assert
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mBpfTestMap.writeValue(state.range(0), state.range(0) + 1, BPF_EXIST);
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}
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}
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BENCHMARK_DEFINE_F(BpfBenchMark, MapDeleteAddEntry)(benchmark::State& state) {
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for (uint32_t i = 0; i < TEST_MAP_SIZE; i++) {
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// TODO(b/147676069) assert
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mBpfTestMap.writeValue(i, i, BPF_NOEXIST);
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}
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for (auto _ : state) { // NOLINT(clang-analyzer-deadcode.DeadStores)
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// TODO(b/147676069) assert
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mBpfTestMap.deleteValue(state.range(0));
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// TODO(b/147676069) assert
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mBpfTestMap.writeValue(state.range(0), state.range(0) + 1, BPF_NOEXIST);
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}
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}
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BENCHMARK_DEFINE_F(BpfBenchMark, WaitForRcu)(benchmark::State& state) {
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for (auto _ : state) { // NOLINT(clang-analyzer-deadcode.DeadStores)
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int ret = android::bpf::synchronizeKernelRCU();
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if (ret) {
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state.SkipWithError(
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StringPrintf("synchronizeKernelRCU() failed with errno=%d", -ret).c_str());
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}
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}
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}
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BENCHMARK_REGISTER_F(BpfBenchMark, MapUpdateEntry)->Arg(1);
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BENCHMARK_REGISTER_F(BpfBenchMark, MapWriteNewEntry)->Arg(1);
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BENCHMARK_REGISTER_F(BpfBenchMark, MapDeleteAddEntry)->Arg(1);
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BENCHMARK_REGISTER_F(BpfBenchMark, WaitForRcu)->Arg(1);
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BENCHMARK_MAIN();
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