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/*
* Copyright (C) 2018 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 <malloc.h>
#include <stdio.h>
#include <android-base/logging.h>
#include <benchmark/benchmark.h>
#include "adb_trace.h"
#include "sysdeps.h"
#include "transport.h"
#define ADB_CONNECTION_BENCHMARK(benchmark_name, ...) \
BENCHMARK_TEMPLATE(benchmark_name, FdConnection, ##__VA_ARGS__) \
->Arg(1) \
->Arg(16384) \
->Arg(MAX_PAYLOAD) \
->UseRealTime(); \
BENCHMARK_TEMPLATE(benchmark_name, NonblockingFdConnection, ##__VA_ARGS__) \
->Arg(1) \
->Arg(16384) \
->Arg(MAX_PAYLOAD) \
->UseRealTime()
struct NonblockingFdConnection;
template <typename ConnectionType>
std::unique_ptr<Connection> MakeConnection(unique_fd fd);
template <>
std::unique_ptr<Connection> MakeConnection<FdConnection>(unique_fd fd) {
auto fd_connection = std::make_unique<FdConnection>(std::move(fd));
return std::make_unique<BlockingConnectionAdapter>(std::move(fd_connection));
}
template <>
std::unique_ptr<Connection> MakeConnection<NonblockingFdConnection>(unique_fd fd) {
return Connection::FromFd(std::move(fd));
}
template <typename ConnectionType>
void BM_Connection_Unidirectional(benchmark::State& state) {
int fds[2];
if (adb_socketpair(fds) != 0) {
LOG(FATAL) << "failed to create socketpair";
}
auto client = MakeConnection<ConnectionType>(unique_fd(fds[0]));
auto server = MakeConnection<ConnectionType>(unique_fd(fds[1]));
std::atomic<size_t> received_bytes;
client->SetReadCallback([](Connection*, std::unique_ptr<apacket>) -> bool { return true; });
server->SetReadCallback([&received_bytes](Connection*, std::unique_ptr<apacket> packet) -> bool {
received_bytes += packet->payload.size();
return true;
});
client->SetErrorCallback(
[](Connection*, const std::string& error) { LOG(INFO) << "client closed: " << error; });
server->SetErrorCallback(
[](Connection*, const std::string& error) { LOG(INFO) << "server closed: " << error; });
client->Start();
server->Start();
for (auto _ : state) {
size_t data_size = state.range(0);
std::unique_ptr<apacket> packet = std::make_unique<apacket>();
memset(&packet->msg, 0, sizeof(packet->msg));
packet->msg.command = A_WRTE;
packet->msg.data_length = data_size;
packet->payload.resize(data_size);
memset(&packet->payload[0], 0xff, data_size);
received_bytes = 0;
client->Write(std::move(packet));
while (received_bytes < data_size) {
continue;
}
}
state.SetBytesProcessed(static_cast<int64_t>(state.iterations()) * state.range(0));
client->Stop();
server->Stop();
}
ADB_CONNECTION_BENCHMARK(BM_Connection_Unidirectional);
enum class ThreadPolicy {
MainThread,
SameThread,
};
template <typename ConnectionType, enum ThreadPolicy Policy>
void BM_Connection_Echo(benchmark::State& state) {
int fds[2];
if (adb_socketpair(fds) != 0) {
LOG(FATAL) << "failed to create socketpair";
}
auto client = MakeConnection<ConnectionType>(unique_fd(fds[0]));
auto server = MakeConnection<ConnectionType>(unique_fd(fds[1]));
std::atomic<size_t> received_bytes;
fdevent_reset();
std::thread fdevent_thread([]() { fdevent_loop(); });
client->SetReadCallback([&received_bytes](Connection*, std::unique_ptr<apacket> packet) -> bool {
received_bytes += packet->payload.size();
return true;
});
static const auto handle_packet = [](Connection* connection, std::unique_ptr<apacket> packet) {
connection->Write(std::move(packet));
};
server->SetReadCallback([](Connection* connection, std::unique_ptr<apacket> packet) -> bool {
if (Policy == ThreadPolicy::MainThread) {
auto raw_packet = packet.release();
fdevent_run_on_main_thread([connection, raw_packet]() {
std::unique_ptr<apacket> packet(raw_packet);
handle_packet(connection, std::move(packet));
});
} else {
handle_packet(connection, std::move(packet));
}
return true;
});
client->SetErrorCallback(
[](Connection*, const std::string& error) { LOG(INFO) << "client closed: " << error; });
server->SetErrorCallback(
[](Connection*, const std::string& error) { LOG(INFO) << "server closed: " << error; });
client->Start();
server->Start();
for (auto _ : state) {
size_t data_size = state.range(0);
std::unique_ptr<apacket> packet = std::make_unique<apacket>();
memset(&packet->msg, 0, sizeof(packet->msg));
packet->msg.command = A_WRTE;
packet->msg.data_length = data_size;
packet->payload.resize(data_size);
memset(&packet->payload[0], 0xff, data_size);
received_bytes = 0;
client->Write(std::move(packet));
while (received_bytes < data_size) {
continue;
}
}
state.SetBytesProcessed(static_cast<int64_t>(state.iterations()) * state.range(0));
client->Stop();
server->Stop();
// TODO: Make it so that you don't need to poke the fdevent loop to make it terminate?
fdevent_terminate_loop();
fdevent_run_on_main_thread([]() {});
fdevent_thread.join();
}
ADB_CONNECTION_BENCHMARK(BM_Connection_Echo, ThreadPolicy::SameThread);
ADB_CONNECTION_BENCHMARK(BM_Connection_Echo, ThreadPolicy::MainThread);
int main(int argc, char** argv) {
// Set M_DECAY_TIME so that our allocations aren't immediately purged on free.
mallopt(M_DECAY_TIME, 1);
android::base::SetMinimumLogSeverity(android::base::WARNING);
adb_trace_init(argv);
::benchmark::Initialize(&argc, argv);
if (::benchmark::ReportUnrecognizedArguments(argc, argv)) return 1;
::benchmark::RunSpecifiedBenchmarks();
}
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