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