chromium/services/resource_coordinator/public/cpp/memory_instrumentation/tracing_observer.cc

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "services/resource_coordinator/public/cpp/memory_instrumentation/tracing_observer.h"
#include "services/tracing/public/cpp/perfetto/perfetto_producer.h"

#include "base/files/file_path.h"
#include "base/format_macros.h"
#include "base/trace_event/memory_dump_manager.h"
#include "base/trace_event/traced_value.h"
#include "build/build_config.h"

namespace memory_instrumentation {

TracedValue;
ProcessMemoryDump;

namespace {

}  // namespace

TracingObserver::TracingObserver()
    : … { … }

TracingObserver::~TracingObserver() = default;

void TracingObserver::StartTracingImpl(
    tracing::PerfettoProducer* producer,
    const perfetto::DataSourceConfig& data_source_config) { … }

void TracingObserver::StopTracingImpl(
    base::OnceClosure stop_complete_callback) { … }

void TracingObserver::Flush(base::RepeatingClosure flush_complete_callback) { … }

bool TracingObserver::AddChromeDumpToTraceIfEnabled(
    const base::trace_event::MemoryDumpRequestArgs&,
    const base::ProcessId pid,
    const base::trace_event::ProcessMemoryDump*,
    const base::TimeTicks& timestamp) { … }

bool TracingObserver::AddOsDumpToTraceIfEnabled(
    const base::trace_event::MemoryDumpRequestArgs& args,
    const base::ProcessId pid,
    const mojom::OSMemDump& os_dump,
    const std::vector<mojom::VmRegionPtr>& memory_maps,
    const base::TimeTicks& timestamp) { … }

bool TracingObserver::ShouldAddToTrace(
    const base::trace_event::MemoryDumpRequestArgs& args) { … }

// static
std::string TracingObserver::ApplyPathFiltering(
    const std::string& file,
    bool is_argument_filtering_enabled) { … }

bool TracingObserver::IsDumpModeAllowed(
    base::trace_event::MemoryDumpLevelOfDetail dump_mode) const { … }

bool TracingObserver::IsMemoryInfraTracingEnabled() const { … }

}  // namespace memory_instrumentation