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/*
* Copyright 2019 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 <future>
#include <memory>
#include <thread>
#include "benchmark/benchmark.h"
#include "common/bind.h"
#include "os/handler.h"
#include "os/thread.h"
using ::benchmark::State;
using ::bluetooth::common::BindOnce;
using ::bluetooth::os::Handler;
using ::bluetooth::os::Thread;
#define NUM_MESSAGES_TO_SEND 100000
class BM_ThreadPerformance : public ::benchmark::Fixture {
protected:
void SetUp(State& st) override {
benchmark::Fixture::SetUp(st);
counter_promise_ = std::promise<void>();
counter_ = 0;
}
void TearDown(State& st) override {
benchmark::Fixture::TearDown(st);
}
void callback_batch() {
counter_++;
if (counter_ >= num_messages_to_send_) {
counter_promise_.set_value();
}
}
void callback() {
counter_promise_.set_value();
}
int64_t num_messages_to_send_;
int64_t counter_;
std::promise<void> counter_promise_;
};
class BM_ReactorThread : public BM_ThreadPerformance {
protected:
void SetUp(State& st) override {
BM_ThreadPerformance::SetUp(st);
thread_ = std::make_unique<Thread>("BM_ReactorThread thread", Thread::Priority::NORMAL);
handler_ = std::make_unique<Handler>(thread_.get());
}
void TearDown(State& st) override {
handler_ = nullptr;
thread_->Stop();
thread_ = nullptr;
BM_ThreadPerformance::TearDown(st);
}
std::unique_ptr<Thread> thread_;
std::unique_ptr<Handler> handler_;
};
BENCHMARK_DEFINE_F(BM_ReactorThread, batch_enque_dequeue)(State& state) {
for (auto _ : state) {
num_messages_to_send_ = state.range(0);
counter_ = 0;
counter_promise_ = std::promise<void>();
std::future<void> counter_future = counter_promise_.get_future();
for (int i = 0; i < num_messages_to_send_; i++) {
handler_->Post(BindOnce(
&BM_ReactorThread_batch_enque_dequeue_Benchmark::callback_batch, bluetooth::common::Unretained(this)));
}
counter_future.wait();
}
};
BENCHMARK_REGISTER_F(BM_ReactorThread, batch_enque_dequeue)
->Arg(10)
->Arg(1000)
->Arg(10000)
->Arg(100000)
->Iterations(1)
->UseRealTime();
BENCHMARK_DEFINE_F(BM_ReactorThread, sequential_execution)(State& state) {
for (auto _ : state) {
num_messages_to_send_ = state.range(0);
for (int i = 0; i < num_messages_to_send_; i++) {
counter_promise_ = std::promise<void>();
std::future<void> counter_future = counter_promise_.get_future();
handler_->Post(
BindOnce(&BM_ReactorThread_sequential_execution_Benchmark::callback, bluetooth::common::Unretained(this)));
counter_future.wait();
}
}
};
BENCHMARK_REGISTER_F(BM_ReactorThread, sequential_execution)
->Arg(10)
->Arg(1000)
->Arg(10000)
->Arg(100000)
->Iterations(1)
->UseRealTime();
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