| // Copyright 2018 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 "services/tracing/public/cpp/tracing_features.h" |
| |
| #include <string> |
| |
| #include "base/command_line.h" |
| #include "base/metrics/field_trial_params.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/tracing_buildflags.h" |
| #include "build/build_config.h" |
| #include "build/chromecast_buildflags.h" |
| #include "components/tracing/common/tracing_switches.h" |
| |
| #if BUILDFLAG(IS_ANDROID) |
| #include "base/android/build_info.h" // nogncheck |
| #endif |
| |
| namespace features { |
| |
| // Runs the tracing service as an in-process browser service. |
| const base::Feature kTracingServiceInProcess { |
| "TracingServiceInProcess", |
| #if BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_CHROMECAST) |
| base::FEATURE_ENABLED_BY_DEFAULT |
| #else |
| base::FEATURE_DISABLED_BY_DEFAULT |
| #endif |
| }; |
| |
| const base::Feature kEnablePerfettoSystemTracing{ |
| "EnablePerfettoSystemTracing", |
| #if BUILDFLAG(IS_CHROMEOS) |
| base::FEATURE_ENABLED_BY_DEFAULT |
| #else |
| base::FEATURE_DISABLED_BY_DEFAULT |
| #endif |
| }; |
| |
| // Controls whether trace points are implemented using Perfetto's client library |
| // (enabled) or legacy TraceLog (disabled). |
| const base::Feature kEnablePerfettoClientApiProducer { |
| "EnablePerfettoClientApiProducer", |
| #if BUILDFLAG(USE_PERFETTO_CLIENT_LIBRARY) |
| base::FEATURE_ENABLED_BY_DEFAULT |
| #else |
| base::FEATURE_DISABLED_BY_DEFAULT |
| #endif |
| }; |
| |
| } // namespace features |
| |
| namespace tracing { |
| |
| bool ShouldSetupSystemTracing() { |
| #if BUILDFLAG(IS_ANDROID) |
| if (base::android::BuildInfo::GetInstance()->is_debug_android()) { |
| return true; |
| } |
| #endif // BUILDFLAG(IS_ANDROID) |
| if (base::FeatureList::GetInstance()) { |
| return base::FeatureList::IsEnabled(features::kEnablePerfettoSystemTracing); |
| } |
| return features::kEnablePerfettoSystemTracing.default_state == |
| base::FEATURE_ENABLED_BY_DEFAULT; |
| } |
| |
| } // namespace tracing |