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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/child/child_performance_coordinator.h"
#include <optional>
#include <utility>
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/memory/read_only_shared_memory_region.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "components/performance_manager/public/mojom/coordination_unit.mojom.h"
#include "components/performance_manager/scenario_api/performance_scenarios.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "third_party/perfetto/include/perfetto/tracing/track.h"
namespace content {
ChildPerformanceCoordinator::ChildPerformanceCoordinator() = default;
ChildPerformanceCoordinator::~ChildPerformanceCoordinator() = default;
mojo::PendingReceiver<performance_manager::mojom::ChildProcessCoordinationUnit>
ChildPerformanceCoordinator::InitializeAndPassReceiver() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
auto receiver = coordination_unit_.BindNewPipeAndPassReceiver();
coordination_unit_->InitializeChildProcessCoordination(
perfetto::ProcessTrack::Current().uuid,
base::BindOnce(
&ChildPerformanceCoordinator::OnInitializeChildProcessCoordination,
weak_factory_.GetWeakPtr()));
return receiver;
}
void ChildPerformanceCoordinator::OnInitializeChildProcessCoordination(
base::ReadOnlySharedMemoryRegion global_region,
base::ReadOnlySharedMemoryRegion process_region) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
using performance_scenarios::ScenarioScope;
if (global_region.IsValid()) {
global_scenario_memory_.emplace(ScenarioScope::kGlobal,
std::move(global_region));
}
if (process_region.IsValid()) {
process_scenario_memory_.emplace(ScenarioScope::kCurrentProcess,
std::move(process_region));
}
}
} // namespace content
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