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- // Copyright 2019 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 "components/performance_manager/embedder/performance_manager_lifetime.h"
- #include "base/bind.h"
- #include "base/no_destructor.h"
- #include "base/notreached.h"
- #include "components/performance_manager/decorators/frame_visibility_decorator.h"
- #include "components/performance_manager/decorators/page_load_tracker_decorator.h"
- #include "components/performance_manager/embedder/graph_features.h"
- #include "components/performance_manager/execution_context/execution_context_registry_impl.h"
- #include "components/performance_manager/graph/frame_node_impl_describer.h"
- #include "components/performance_manager/graph/page_node_impl_describer.h"
- #include "components/performance_manager/graph/process_node_impl_describer.h"
- #include "components/performance_manager/graph/worker_node_impl_describer.h"
- #include "components/performance_manager/performance_manager_impl.h"
- #include "components/performance_manager/public/decorators/page_live_state_decorator.h"
- #include "components/performance_manager/public/graph/graph.h"
- #include "components/performance_manager/v8_memory/v8_context_tracker.h"
- namespace performance_manager {
- namespace {
- GraphCreatedCallback* GetAdditionalGraphCreatedCallback() {
- static base::NoDestructor<GraphCreatedCallback>
- additional_graph_created_callback;
- return additional_graph_created_callback.get();
- }
- absl::optional<GraphFeatures>* GetGraphFeaturesOverride() {
- static absl::optional<GraphFeatures> graph_features_override;
- return &graph_features_override;
- }
- void OnGraphCreated(const GraphFeatures& graph_features,
- GraphCreatedCallback external_graph_created_callback,
- GraphImpl* graph) {
- auto graph_features_override = *GetGraphFeaturesOverride();
- const GraphFeatures& configured_features =
- graph_features_override ? *graph_features_override : graph_features;
- // Install required features on the graph.
- configured_features.ConfigureGraph(graph);
- // Run graph created callbacks.
- std::move(external_graph_created_callback).Run(graph);
- if (*GetAdditionalGraphCreatedCallback())
- std::move(*GetAdditionalGraphCreatedCallback()).Run(graph);
- }
- } // namespace
- PerformanceManagerLifetime::PerformanceManagerLifetime(
- const GraphFeatures& graph_features,
- GraphCreatedCallback graph_created_callback)
- : performance_manager_(PerformanceManagerImpl::Create(
- base::BindOnce(&OnGraphCreated,
- graph_features,
- std::move(graph_created_callback)))),
- performance_manager_registry_(
- performance_manager::PerformanceManagerRegistry::Create()) {}
- PerformanceManagerLifetime::~PerformanceManagerLifetime() {
- // There may still be worker hosts, WebContents and RenderProcessHosts with
- // attached user data, retaining WorkerNodes, PageNodes, FrameNodes and
- // ProcessNodes. Tear down the registry to release these nodes.
- performance_manager_registry_->TearDown();
- performance_manager_registry_.reset();
- performance_manager::DestroyPerformanceManager(
- std::move(performance_manager_));
- }
- // static
- void PerformanceManagerLifetime::SetAdditionalGraphCreatedCallbackForTesting(
- GraphCreatedCallback graph_created_callback) {
- *GetAdditionalGraphCreatedCallback() = std::move(graph_created_callback);
- }
- // static
- void PerformanceManagerLifetime::SetGraphFeaturesOverrideForTesting(
- const GraphFeatures& graph_features_override) {
- *GetGraphFeaturesOverride() = graph_features_override;
- }
- void DestroyPerformanceManager(std::unique_ptr<PerformanceManager> instance) {
- PerformanceManagerImpl::Destroy(std::move(instance));
- }
- } // namespace performance_manager
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