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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/tracing/chrome_background_tracing_metrics_provider.h"
#include <memory>
#include <string_view>
#include <utility>
#include "build/build_config.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/metrics/accessibility_state_provider.h"
#include "chrome/common/channel_info.h"
#include "components/metrics/field_trials_provider.h"
#include "components/metrics/metrics_log.h"
#include "components/metrics/metrics_service.h"
#include "components/metrics/version_utils.h"
#include "components/tracing/common/background_tracing_utils.h"
#include "components/tracing/common/tracing_scenarios_config.h"
#include "services/tracing/public/cpp/trace_startup_config.h"
#if BUILDFLAG(IS_WIN)
#include "chrome/browser/metrics/antivirus_metrics_provider_win.h"
#endif // BUILDFLAG(IS_WIN)
#if BUILDFLAG(IS_CHROMEOS)
#include "base/barrier_closure.h"
#include "chrome/browser/metrics/chromeos_metrics_provider.h"
#include "chrome/browser/metrics/chromeos_system_profile_provider.h"
#endif // BUILDFLAG(IS_CHROMEOS)
namespace tracing {
ChromeBackgroundTracingMetricsProvider::ChromeBackgroundTracingMetricsProvider(
ChromeOSSystemProfileProvider* cros_system_profile_provider)
: cros_system_profile_provider_(cros_system_profile_provider) {
#if BUILDFLAG(IS_WIN)
// AV metrics provider is initialized asynchronously. It might not be
// initialized when reporting metrics, in which case it'll just not add any AV
// metrics to the proto.
auto av_metrics_provider = std::make_unique<AntiVirusMetricsProvider>();
av_metrics_provider_ = av_metrics_provider.get();
system_profile_providers_.emplace_back(std::move(av_metrics_provider));
#elif BUILDFLAG(IS_CHROMEOS)
if (cros_system_profile_provider_) {
// Collect system profile such as hardware class for ChromeOS. Note that
// ChromeOSMetricsProvider is initialized asynchronously. It might not be
// initialized when reporting metrics, in which case it'll just not add any
// ChromeOS system metrics to the proto (i.e. no hardware class etc).
auto chromeos_metrics_provider = std::make_unique<ChromeOSMetricsProvider>(
metrics::MetricsLogUploader::UMA, cros_system_profile_provider_);
chromeos_metrics_provider_ = chromeos_metrics_provider.get();
system_profile_providers_.emplace_back(
std::move(chromeos_metrics_provider));
}
#endif // BUILDFLAG(IS_CHROMEOS)
system_profile_providers_.emplace_back(
std::make_unique<AccessibilityStateProvider>());
}
ChromeBackgroundTracingMetricsProvider::
~ChromeBackgroundTracingMetricsProvider() = default;
void ChromeBackgroundTracingMetricsProvider::Init() {
tracing::TraceStartupConfig::GetInstance().SetBackgroundStartupTracingEnabled(
tracing::kStartupFieldTracing.Get());
SetupFieldTracingFromFieldTrial();
// Metrics service can be null in some testing contexts.
if (g_browser_process->metrics_service() != nullptr) {
variations::SyntheticTrialRegistry* registry =
g_browser_process->metrics_service()->GetSyntheticTrialRegistry();
system_profile_providers_.emplace_back(
std::make_unique<variations::FieldTrialsProvider>(registry,
std::string_view()));
}
}
void ChromeBackgroundTracingMetricsProvider::AsyncInit(
base::OnceClosure done_callback) {
#if BUILDFLAG(IS_WIN)
av_metrics_provider_->AsyncInit(std::move(done_callback));
#else
std::move(done_callback).Run();
#endif
}
void ChromeBackgroundTracingMetricsProvider::RecordCoreSystemProfileMetrics(
metrics::SystemProfileProto& system_profile_proto) {
metrics::MetricsLog::RecordCoreSystemProfile(
metrics::GetVersionString(),
metrics::AsProtobufChannel(chrome::GetChannel()),
chrome::IsExtendedStableChannel(),
g_browser_process->GetApplicationLocale(), metrics::GetAppPackageName(),
&system_profile_proto);
}
} // namespace tracing
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