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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_PERFORMANCE_MANAGER_METRICS_METRICS_PROVIDER_DESKTOP_H_
#define CHROME_BROWSER_PERFORMANCE_MANAGER_METRICS_METRICS_PROVIDER_DESKTOP_H_
#include "base/files/file_path.h"
#include "base/memory/raw_ptr.h"
#include "base/task/thread_pool.h"
#include "base/threading/sequence_bound.h"
#include "build/build_config.h"
#include "chrome/browser/performance_manager/public/user_tuning/battery_saver_mode_manager.h"
#include "components/metrics/metrics_provider.h"
#include "components/prefs/pref_change_registrar.h"
class ChromeMetricsServiceClient;
class PerformanceManagerMetricsProviderDesktopTest;
class PrefService;
namespace performance_manager {
class ScopedTimeInModeTracker;
// A metrics provider to add some performance manager related metrics to the UMA
// protos on each upload, such as related to memory saver, battery saver, and
// available physical memory. Only present on desktop platforms.
class MetricsProviderDesktop : public ::metrics::MetricsProvider,
public performance_manager::user_tuning::
BatterySaverModeManager::Observer {
public:
enum class EfficiencyMode {
// No efficiency mode for the entire upload window
kNormal = 0,
// In memory saver mode for the entire upload window
kMemorySaver = 1,
// In battery saver mode for the entire upload window
kBatterySaver = 2,
// Both modes enabled for the entire upload window
kBoth = 3,
// The modes were changed during the upload window
kMixed = 4,
// Max value, used in UMA histograms macros
kMaxValue = kMixed
};
static MetricsProviderDesktop* GetInstance();
~MetricsProviderDesktop() override;
void Initialize();
// metrics::MetricsProvider:
// This is only called from UMA code but is public for testing.
void ProvideCurrentSessionData(
::metrics::ChromeUserMetricsExtension* uma_proto) override;
private:
friend class ::ChromeMetricsServiceClient;
friend class ::PerformanceManagerMetricsProviderDesktopTest;
explicit MetricsProviderDesktop(PrefService* local_state);
// BatterySaverModeManager::Observer:
void OnBatterySaverActiveChanged(bool is_active) override;
void OnMemorySaverPrefChanged();
void OnTuningModesChanged();
EfficiencyMode ComputeCurrentMode() const;
bool IsMemorySaverEnabled() const;
void ResetTrackers();
#if defined(ARCH_CPU_X86_FAMILY) && BUILDFLAG(IS_WIN)
#define SHOULD_COLLECT_CPU_FREQUENCY_METRICS() true
#else
#define SHOULD_COLLECT_CPU_FREQUENCY_METRICS() false
#endif // defined(ARCH_CPU_X86_FAMILY) && BUILDFLAG(IS_WIN)
#if SHOULD_COLLECT_CPU_FREQUENCY_METRICS()
static void RecordCpuFrequencyMetrics(base::TimeTicks should_run_at);
static void ScheduleCpuFrequencyTask();
static void PostCpuFrequencyEstimation();
#endif // SHOULD_COLLECT_CPU_FREQUENCY_METRICS()
struct DiskMetrics {
int64_t free_bytes;
int64_t total_bytes;
};
class DiskMetricsThreadPoolGetter {
public:
DiskMetrics ComputeDiskMetrics(const base::FilePath& user_data_dir);
};
void RecordDiskMetrics();
void PostDiskMetricsTask();
void SavePendingDiskMetrics(DiskMetrics metrics);
PrefChangeRegistrar pref_change_registrar_;
const raw_ptr<PrefService> local_state_;
EfficiencyMode current_mode_ = EfficiencyMode::kNormal;
bool battery_saver_enabled_ = false;
bool initialized_ = false;
base::SequenceBound<DiskMetricsThreadPoolGetter> disk_metrics_getter_;
std::optional<DiskMetrics> pending_disk_metrics_;
std::unique_ptr<ScopedTimeInModeTracker> battery_saver_mode_tracker_;
std::unique_ptr<ScopedTimeInModeTracker> memory_saver_mode_tracker_;
};
} // namespace performance_manager
#endif // CHROME_BROWSER_PERFORMANCE_MANAGER_METRICS_METRICS_PROVIDER_DESKTOP_H_
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