| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "cc/benchmarks/micro_benchmark_controller.h" |
| |
| #include <limits> |
| #include <string> |
| |
| #include "base/callback.h" |
| #include "base/stl_util.h" |
| #include "base/threading/thread_task_runner_handle.h" |
| #include "base/values.h" |
| #include "cc/benchmarks/invalidation_benchmark.h" |
| #include "cc/benchmarks/rasterize_and_record_benchmark.h" |
| #include "cc/benchmarks/unittest_only_benchmark.h" |
| #include "cc/trees/layer_tree_host.h" |
| #include "cc/trees/layer_tree_host_impl.h" |
| |
| namespace cc { |
| |
| int MicroBenchmarkController::next_id_ = 1; |
| |
| namespace { |
| |
| std::unique_ptr<MicroBenchmark> CreateBenchmark( |
| const std::string& name, |
| std::unique_ptr<base::Value> value, |
| MicroBenchmark::DoneCallback callback) { |
| if (name == "invalidation_benchmark") { |
| return std::make_unique<InvalidationBenchmark>(std::move(value), |
| std::move(callback)); |
| } else if (name == "rasterize_and_record_benchmark") { |
| return std::make_unique<RasterizeAndRecordBenchmark>(std::move(value), |
| std::move(callback)); |
| } else if (name == "unittest_only_benchmark") { |
| return std::make_unique<UnittestOnlyBenchmark>(std::move(value), |
| std::move(callback)); |
| } |
| return nullptr; |
| } |
| |
| } // namespace |
| |
| MicroBenchmarkController::MicroBenchmarkController(LayerTreeHost* host) |
| : host_(host), |
| main_controller_task_runner_(base::ThreadTaskRunnerHandle::IsSet() |
| ? base::ThreadTaskRunnerHandle::Get() |
| : nullptr) { |
| DCHECK(host_); |
| } |
| |
| MicroBenchmarkController::~MicroBenchmarkController() = default; |
| |
| int MicroBenchmarkController::ScheduleRun( |
| const std::string& micro_benchmark_name, |
| std::unique_ptr<base::Value> value, |
| MicroBenchmark::DoneCallback callback) { |
| std::unique_ptr<MicroBenchmark> benchmark = CreateBenchmark( |
| micro_benchmark_name, std::move(value), std::move(callback)); |
| if (benchmark.get()) { |
| int id = GetNextIdAndIncrement(); |
| benchmark->set_id(id); |
| benchmarks_.push_back(std::move(benchmark)); |
| host_->SetNeedsCommit(); |
| return id; |
| } |
| return 0; |
| } |
| |
| int MicroBenchmarkController::GetNextIdAndIncrement() { |
| int id = next_id_++; |
| // Wrap around to 1 if we overflow (very unlikely). |
| if (next_id_ == std::numeric_limits<int>::max()) |
| next_id_ = 1; |
| return id; |
| } |
| |
| bool MicroBenchmarkController::SendMessage(int id, |
| std::unique_ptr<base::Value> value) { |
| auto it = |
| std::find_if(benchmarks_.begin(), benchmarks_.end(), |
| [id](const std::unique_ptr<MicroBenchmark>& benchmark) { |
| return benchmark->id() == id; |
| }); |
| if (it == benchmarks_.end()) |
| return false; |
| return (*it)->ProcessMessage(std::move(value)); |
| } |
| |
| void MicroBenchmarkController::ScheduleImplBenchmarks( |
| LayerTreeHostImpl* host_impl) { |
| for (const auto& benchmark : benchmarks_) { |
| std::unique_ptr<MicroBenchmarkImpl> benchmark_impl; |
| if (!benchmark->ProcessedForBenchmarkImpl()) { |
| benchmark_impl = |
| benchmark->GetBenchmarkImpl(main_controller_task_runner_); |
| } |
| |
| if (benchmark_impl.get()) |
| host_impl->ScheduleMicroBenchmark(std::move(benchmark_impl)); |
| } |
| } |
| |
| void MicroBenchmarkController::DidUpdateLayers() { |
| for (const auto& benchmark : benchmarks_) { |
| if (!benchmark->IsDone()) |
| benchmark->DidUpdateLayers(host_); |
| } |
| |
| CleanUpFinishedBenchmarks(); |
| } |
| |
| void MicroBenchmarkController::CleanUpFinishedBenchmarks() { |
| base::EraseIf(benchmarks_, |
| [](const std::unique_ptr<MicroBenchmark>& benchmark) { |
| return benchmark->IsDone(); |
| }); |
| } |
| |
| } // namespace cc |