perfetto_config.cc | Explore in Territory

// Copyright 2019 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/tracing/public/cpp/perfetto/perfetto_config.h"

#include <cstdint>
#include <string>

#include "base/command_line.h"
#include "base/strings/strcat.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/stringprintf.h"
#include "base/trace_event/memory_dump_manager.h"
#include "base/trace_event/trace_config.h"
#include "base/trace_event/trace_event.h"
#include "base/tracing/trace_time.h"
#include "build/build_config.h"
#include "build/chromecast_buildflags.h"
#include "build/chromeos_buildflags.h"
#include "components/tracing/common/tracing_switches.h"
#include "services/tracing/public/mojom/perfetto_service.mojom.h"
#include "third_party/perfetto/protos/perfetto/config/track_event/track_event_config.gen.h"

namespace tracing {

namespace {

// Clear incremental state every 0.5 seconds, so that we lose at most the
// first 0.5 seconds of the trace (if we wrap around Perfetto's central
// buffer).
// This value strikes balance between minimizing interned data overhead, and
// reducing the risk of data loss in ring buffer mode.
constexpr int kDefaultIncrementalStateClearPeriodMs = …;

perfetto::TraceConfig::DataSource* AddDataSourceConfig(
    perfetto::TraceConfig* perfetto_config,
    const char* name,
    const std::string& chrome_config_string,
    bool privacy_filtering_enabled,
    bool convert_to_legacy_json,
    perfetto::protos::gen::ChromeConfig::ClientPriority client_priority,
    const std::string& json_agent_label_filter) { … }

void AddDataSourceConfigs(
    perfetto::TraceConfig* perfetto_config,
    const base::trace_event::TraceConfig::ProcessFilterConfig& process_filters,
    const base::trace_event::TraceConfig& stripped_config,
    const std::set<std::string>& source_names,
    bool systrace_enabled,
    bool privacy_filtering_enabled,
    bool convert_to_legacy_json,
    perfetto::protos::gen::ChromeConfig::ClientPriority client_priority,
    const std::string& json_agent_label_filter) { … }

size_t GetDefaultTraceBufferSize() { … }

std::optional<base::trace_event::TraceConfig> GetChromeTraceConfig(
    const perfetto::TraceConfig& perfetto_config) { … }

void AdaptBuiltinDataSourcesConfig(
    perfetto::TraceConfig::BuiltinDataSource* config,
    bool privacy_filtering_enabled) { … }

void AdaptTrackEventConfig(perfetto::protos::gen::TrackEventConfig* config,
                           bool privacy_filtering_enabled) { … }

void AdaptDataSourceConfig(
    perfetto::DataSourceConfig* config,
    const std::string& chrome_config_string,
    bool privacy_filtering_enabled,
    perfetto::protos::gen::ChromeConfig::ClientPriority client_priority) { … }

}  // namespace

perfetto::TraceConfig GetDefaultPerfettoConfig(
    const base::trace_event::TraceConfig& chrome_config,
    bool privacy_filtering_enabled,
    bool convert_to_legacy_json,
    perfetto::protos::gen::ChromeConfig::ClientPriority client_priority,
    const std::string& json_agent_label_filter) { … }

perfetto::TraceConfig COMPONENT_EXPORT(TRACING_CPP)
    GetPerfettoConfigWithDataSources(
        const base::trace_event::TraceConfig& chrome_config,
        const std::set<std::string>& source_names,
        bool privacy_filtering_enabled,
        bool convert_to_legacy_json,
        perfetto::protos::gen::ChromeConfig::ClientPriority client_priority,
        const std::string& json_agent_label_filter) { … }

bool AdaptPerfettoConfigForChrome(
    perfetto::TraceConfig* perfetto_config,
    bool privacy_filtering_enabled,
    bool enable_package_name_filter,
    perfetto::protos::gen::ChromeConfig::ClientPriority client_priority) { … }

}  // namespace tracing
chromium/services/tracing/public/cpp/perfetto/perfetto_config.cc
