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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 "benchmark/benchmark.h"
#include "os/handler.h"
#include "os/queue.h"
#include "os/thread.h"
using ::benchmark::State;
namespace bluetooth {
namespace os {
class BM_QueuePerformance : public ::benchmark::Fixture {
protected:
void SetUp(State& st) override {
::benchmark::Fixture::SetUp(st);
enqueue_thread_ = new Thread("enqueue_thread", Thread::Priority::NORMAL);
enqueue_handler_ = new Handler(enqueue_thread_);
dequeue_thread_ = new Thread("dequeue_thread", Thread::Priority::NORMAL);
dequeue_handler_ = new Handler(dequeue_thread_);
}
void TearDown(State& st) override {
delete enqueue_handler_;
delete enqueue_thread_;
delete dequeue_handler_;
delete dequeue_thread_;
enqueue_handler_ = nullptr;
enqueue_thread_ = nullptr;
dequeue_handler_ = nullptr;
dequeue_thread_ = nullptr;
benchmark::Fixture::TearDown(st);
}
Thread* enqueue_thread_;
Handler* enqueue_handler_;
Thread* dequeue_thread_;
Handler* dequeue_handler_;
};
class TestEnqueueEnd {
public:
explicit TestEnqueueEnd(int64_t count, Queue<std::string>* queue, Handler* handler, std::promise<void>* promise)
: count_(count), handler_(handler), queue_(queue), promise_(promise) {}
void RegisterEnqueue() {
handler_->Post(common::BindOnce(&TestEnqueueEnd::handle_register_enqueue, common::Unretained(this)));
}
void push(std::string data) {
{
std::lock_guard<std::mutex> lock(mutex_);
buffer_.push(std::move(data));
}
if (buffer_.size() == 1) {
RegisterEnqueue();
}
}
std::unique_ptr<std::string> EnqueueCallbackForTest() {
std::lock_guard<std::mutex> lock(mutex_);
std::unique_ptr<std::string> data = std::make_unique<std::string>(std::move(buffer_.front()));
buffer_.pop();
if (buffer_.empty()) {
queue_->UnregisterEnqueue();
}
count_--;
if (count_ == 0) {
promise_->set_value();
}
return data;
}
std::queue<std::string> buffer_;
int64_t count_;
private:
Handler* handler_;
Queue<std::string>* queue_;
std::promise<void>* promise_;
std::mutex mutex_;
void handle_register_enqueue() {
queue_->RegisterEnqueue(handler_, common::Bind(&TestEnqueueEnd::EnqueueCallbackForTest, common::Unretained(this)));
}
};
class TestDequeueEnd {
public:
explicit TestDequeueEnd(int64_t count, Queue<std::string>* queue, Handler* handler, std::promise<void>* promise)
: count_(count), handler_(handler), queue_(queue), promise_(promise) {}
void RegisterDequeue() {
handler_->Post(common::BindOnce(&TestDequeueEnd::handle_register_dequeue, common::Unretained(this)));
}
void DequeueCallbackForTest() {
std::string data = *(queue_->TryDequeue());
buffer_.push(data);
count_--;
if (count_ == 0) {
queue_->UnregisterDequeue();
promise_->set_value();
}
}
std::queue<std::string> buffer_;
int64_t count_;
private:
Handler* handler_;
Queue<std::string>* queue_;
std::promise<void>* promise_;
void handle_register_dequeue() {
queue_->RegisterDequeue(handler_, common::Bind(&TestDequeueEnd::DequeueCallbackForTest, common::Unretained(this)));
}
};
BENCHMARK_DEFINE_F(BM_QueuePerformance, send_packet_vary_by_packet_num)(State& state) {
for (auto _ : state) {
int64_t num_data_to_send_ = state.range(0);
Queue<std::string> queue(num_data_to_send_);
// register dequeue
std::promise<void> dequeue_promise;
auto dequeue_future = dequeue_promise.get_future();
TestDequeueEnd test_dequeue_end(num_data_to_send_, &queue, enqueue_handler_, &dequeue_promise);
test_dequeue_end.RegisterDequeue();
// Push data to enqueue end buffer and register enqueue
std::promise<void> enqueue_promise;
TestEnqueueEnd test_enqueue_end(num_data_to_send_, &queue, enqueue_handler_, &enqueue_promise);
for (int i = 0; i < num_data_to_send_; i++) {
std::string data = std::to_string(1);
test_enqueue_end.push(std::move(data));
}
dequeue_future.wait();
}
state.SetBytesProcessed(static_cast<int_fast64_t>(state.iterations()) * state.range(0));
};
BENCHMARK_REGISTER_F(BM_QueuePerformance, send_packet_vary_by_packet_num)
->Arg(10)
->Arg(100)
->Arg(1000)
->Arg(10000)
->Arg(100000)
->Iterations(100)
->UseRealTime();
BENCHMARK_DEFINE_F(BM_QueuePerformance, send_10000_packet_vary_by_packet_size)(State& state) {
for (auto _ : state) {
int64_t num_data_to_send_ = 10000;
int64_t packet_size = state.range(0);
Queue<std::string> queue(num_data_to_send_);
// register dequeue
std::promise<void> dequeue_promise;
auto dequeue_future = dequeue_promise.get_future();
TestDequeueEnd test_dequeue_end(num_data_to_send_, &queue, enqueue_handler_, &dequeue_promise);
test_dequeue_end.RegisterDequeue();
// Push data to enqueue end buffer and register enqueue
std::promise<void> enqueue_promise;
TestEnqueueEnd test_enqueue_end(num_data_to_send_, &queue, enqueue_handler_, &enqueue_promise);
for (int i = 0; i < num_data_to_send_; i++) {
std::string data = std::string(packet_size, 'x');
test_enqueue_end.push(std::move(data));
}
dequeue_future.wait();
}
state.SetBytesProcessed(static_cast<int_fast64_t>(state.iterations()) * state.range(0) * 10000);
};
BENCHMARK_REGISTER_F(BM_QueuePerformance, send_10000_packet_vary_by_packet_size)
->Arg(10)
->Arg(100)
->Arg(1000)
->Iterations(100)
->UseRealTime();
} // namespace os
} // namespace bluetooth
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