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113 lines
3.1 KiB
113 lines
3.1 KiB
/*
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* Copyright (C) 2016 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 <benchmark/benchmark.h>
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#include <binder/IServiceManager.h>
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#include <binder/ProcessState.h>
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#include <utils/String16.h>
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#include <utils/StrongPointer.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <android/tests/binder/IBenchmark.h>
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#include <android/tests/binder/BnBenchmark.h>
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// libutils:
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using android::OK;
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using android::sp;
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using android::status_t;
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using android::String16;
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// libbinder:
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using android::getService;
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using android::defaultServiceManager;
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using android::ProcessState;
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using android::binder::Status;
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// Standard library
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using std::vector;
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// Generated AIDL files
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using android::tests::binder::BnBenchmark;
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using android::tests::binder::IBenchmark;
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const char kServiceName[] = "android.tests.binder.IBenchmark";
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class BenchmarkServiceAidl : public BnBenchmark {
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public:
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BenchmarkServiceAidl() {}
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virtual ~BenchmarkServiceAidl() = default;
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Status sendVec(const vector<uint8_t>& data, vector<uint8_t>* _aidl_return) {
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*_aidl_return = data;
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return Status::ok();
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}
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};
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bool startServer() {
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BenchmarkServiceAidl *service = new BenchmarkServiceAidl();
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// Tells the kernel to spawn zero threads, but startThreadPool() below will still spawn one.
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ProcessState::self()->setThreadPoolMaxThreadCount(0);
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defaultServiceManager()->addService(String16(kServiceName),
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service);
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ProcessState::self()->startThreadPool();
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return 0;
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}
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static void BM_sendVec_binder(benchmark::State& state) {
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sp<IBenchmark> service;
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// Prepare data to IPC
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vector<uint8_t> data_vec;
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vector<uint8_t> data_return;
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data_vec.resize(state.range(0));
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for (int i = 0; i < state.range(0); i++) {
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data_vec[i] = i % 256;
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}
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// getService automatically retries
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status_t status = getService(String16(kServiceName), &service);
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if (status != OK) {
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state.SkipWithError("Failed to retrieve benchmark service.");
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}
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// Start running
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while (state.KeepRunning()) {
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service->sendVec(data_vec, &data_return);
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}
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}
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BENCHMARK(BM_sendVec_binder)->RangeMultiplier(2)->Range(4, 65536);
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int main(int argc, char* argv []) {
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::benchmark::Initialize(&argc, argv);
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pid_t pid = fork();
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if (pid == 0) {
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// Child, start benchmarks
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::benchmark::RunSpecifiedBenchmarks();
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} else {
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startServer();
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while (true) {
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int stat, retval;
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retval = wait(&stat);
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if (retval == -1 && errno == ECHILD) {
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break;
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}
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}
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};
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}
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