chromium/services/resource_coordinator/public/cpp/memory_instrumentation/tracing_observer_proto.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_proto.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 "base/tracing/trace_time.h"
#include "build/build_config.h"
#include "services/tracing/public/cpp/perfetto/perfetto_traced_process.h"
#include "third_party/perfetto/protos/perfetto/trace/memory_graph.pbzero.h"
#include "third_party/perfetto/protos/perfetto/trace/profiling/smaps.pbzero.h"
#include "third_party/perfetto/protos/perfetto/trace/ps/process_stats.pbzero.h"
#include "third_party/perfetto/protos/perfetto/trace/trace_packet.pbzero.h"

namespace memory_instrumentation {

ProcessMemoryDump;

namespace {

void OsDumpAsProtoInto(perfetto::protos::pbzero::ProcessStats::Process* process,
                       const mojom::OSMemDump& os_dump) { … }

perfetto::protos::pbzero::MemoryTrackerSnapshot::LevelOfDetail
MemoryDumpLevelOfDetailToProto(
    const base::trace_event::MemoryDumpLevelOfDetail& level_of_detail) { … }

}  // namespace

// static
TracingObserverProto* TracingObserverProto::GetInstance() { … }

TracingObserverProto::TracingObserverProto() = default;

TracingObserverProto::~TracingObserverProto() = default;

void TracingObserverProto::ResetForTesting() { … }

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

bool TracingObserverProto::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) { … }

void TracingObserverProto::MemoryMapsAsProtoInto(
    const std::vector<mojom::VmRegionPtr>& memory_maps,
    perfetto::protos::pbzero::SmapsPacket* smaps,
    bool is_argument_filtering_enabled) { … }

void TracingObserverProto::SetOnChromeDumpCallbackForTesting(
    OnChromeDumpCallback callback) { … }

}  // namespace memory_instrumentation