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// 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.
// This header contains field trial and variations definitions for policies,
// mechanisms and features in the performance_manager component.
#include "components/performance_manager/public/features.h"
#include "base/feature_list.h"
#include "base/metrics/field_trial_params.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
namespace performance_manager::features {
#if BUILDFLAG(IS_CHROMEOS)
BASE_FEATURE(kRunOnMainThreadSync,
"RunPerformanceManagerOnMainThreadSync",
base::FEATURE_DISABLED_BY_DEFAULT);
#else
BASE_FEATURE(kRunOnMainThreadSync,
"RunPerformanceManagerOnMainThreadSync",
base::FEATURE_ENABLED_BY_DEFAULT);
#endif
#if !BUILDFLAG(IS_ANDROID)
BASE_FEATURE(kBackgroundTabLoadingFromPerformanceManager,
"BackgroundTabLoadingFromPerformanceManager",
base::FEATURE_DISABLED_BY_DEFAULT);
BASE_FEATURE(kPerformanceControlsPerformanceSurvey,
"PerformanceControlsPerformanceSurvey",
base::FEATURE_DISABLED_BY_DEFAULT);
BASE_FEATURE(kPerformanceControlsBatteryPerformanceSurvey,
"PerformanceControlsBatteryPerformanceSurvey",
base::FEATURE_DISABLED_BY_DEFAULT);
// The variable was renamed to "MemorySaver" but the experiment name remains as
// "HighEfficiency" because it is already running (crbug.com/1493843).
BASE_FEATURE(kPerformanceControlsMemorySaverOptOutSurvey,
"PerformanceControlsHighEfficiencyOptOutSurvey",
base::FEATURE_DISABLED_BY_DEFAULT);
BASE_FEATURE(kPerformanceControlsBatterySaverOptOutSurvey,
"PerformanceControlsBatterySaverOptOutSurvey",
base::FEATURE_DISABLED_BY_DEFAULT);
const base::FeatureParam<base::TimeDelta>
kPerformanceControlsBatterySurveyLookback{
&kPerformanceControlsBatteryPerformanceSurvey, "battery_lookback",
base::Days(8)};
#if BUILDFLAG(IS_WIN)
BASE_FEATURE(kPrefetchVirtualMemoryPolicy,
"PrefetchVirtualMemoryPolicy",
base::FEATURE_DISABLED_BY_DEFAULT);
#endif
BASE_FEATURE(kPerformanceIntervention,
"PerformanceIntervention",
base::FEATURE_DISABLED_BY_DEFAULT);
BASE_FEATURE(kPerformanceInterventionUI,
"PerformanceInterventionUI",
base::FEATURE_DISABLED_BY_DEFAULT);
BASE_FEATURE(kPerformanceInterventionDemoMode,
"PerformanceInterventionDemoMode",
base::FEATURE_DISABLED_BY_DEFAULT);
bool ShouldUsePerformanceInterventionBackend() {
return base::FeatureList::IsEnabled(kPerformanceIntervention) ||
base::FeatureList::IsEnabled(kPerformanceInterventionUI);
}
const base::FeatureParam<int> kInterventionDialogStringVersion{
&kPerformanceInterventionUI, "intervention_dialog_version", 1};
const base::FeatureParam<bool> kInterventionShowMixedProfileSuggestions{
&kPerformanceInterventionUI, "intervention_show_mixed_profile", false};
const base::FeatureParam<base::TimeDelta> kInterventionButtonTimeout{
&kPerformanceInterventionUI, "intervention_button_timeout",
base::Seconds(10)};
const base::FeatureParam<base::TimeDelta> kCPUTimeOverThreshold{
&kPerformanceIntervention, "cpu_time_over_threshold", base::Seconds(60)};
const base::FeatureParam<base::TimeDelta> kCPUSampleFrequency{
&kPerformanceIntervention, "cpu_sample_frequency", base::Seconds(15)};
const base::FeatureParam<int> kCPUDegradedHealthPercentageThreshold{
&kPerformanceIntervention, "cpu_degraded_percent_threshold", 50};
const base::FeatureParam<int> kCPUUnhealthyPercentageThreshold{
&kPerformanceIntervention, "cpu_unhealthy_percent_threshold", 75};
const base::FeatureParam<int> kCPUMaxActionableTabs{
&kPerformanceIntervention, "cpu_max_actionable_tabs", 4};
const base::FeatureParam<int> kMinimumActionableTabCPUPercentage{
&kPerformanceIntervention, "minimum_actionable_tab_cpu", 10};
const base::FeatureParam<base::TimeDelta> kMemoryTimeOverThreshold{
&kPerformanceIntervention, "memory_time_over_threshold", base::Seconds(60)};
const base::FeatureParam<int> kMemoryFreePercentThreshold{
&kPerformanceIntervention, "memory_free_percent_threshold", 10};
const base::FeatureParam<int> kMemoryFreeBytesThreshold{
&kPerformanceIntervention, "memory_free_bytes_threshold",
1024 * 1024 * 1024};
#if BUILDFLAG(IS_CHROMEOS)
BASE_FEATURE(kUnthrottledTabProcessReporting,
"UnthrottledTabProcessReporting",
base::FEATURE_DISABLED_BY_DEFAULT);
#endif // BUILDFLAG(IS_CHROMEOS)
#endif
BASE_FEATURE(kPMProcessPriorityPolicy,
"PMProcessPriorityPolicy",
base::FEATURE_DISABLED_BY_DEFAULT);
const base::FeatureParam<bool> kInheritParentPriority{
&kPMProcessPriorityPolicy, "inherit_parent_priority", true};
const base::FeatureParam<bool> kDownvoteAdFrames{&kPMProcessPriorityPolicy,
"downvote_ad_frames", false};
BASE_FEATURE(kPMLoadingPageVoter,
"PMLoadingPageVoter",
base::FEATURE_DISABLED_BY_DEFAULT);
BASE_FEATURE(kBFCachePerformanceManagerPolicy,
"BFCachePerformanceManagerPolicy",
base::FEATURE_ENABLED_BY_DEFAULT);
BASE_FEATURE(kUrgentPageDiscarding,
"UrgentPageDiscarding",
base::FEATURE_ENABLED_BY_DEFAULT);
BASE_FEATURE(kCPUMeasurementInFreezingPolicy,
"CPUMeasurementInFreezingPolicy",
base::FEATURE_DISABLED_BY_DEFAULT);
// Note: This param is associated with `kCPUMeasurementInFreezingPolicy` instead
// of `kFreezingOnBatterySaver`, to allow retrieving the value without
// activating the `kFreezingOnBatterySaver` feature.
const base::FeatureParam<double> kFreezingOnBatterySaverHighCPUProportion{
&kCPUMeasurementInFreezingPolicy,
"freezing_on_battery_saver_high_cpu_proportion", 0.25};
BASE_FEATURE(kFreezingOnBatterySaver,
"FreezingOnBatterySaver",
base::FEATURE_DISABLED_BY_DEFAULT);
BASE_FEATURE(kFreezingOnBatterySaverForTesting,
"FreezingOnBatterySaverForTesting",
base::FEATURE_DISABLED_BY_DEFAULT);
BASE_FEATURE(kResourceAttributionIncludeOrigins,
"ResourceAttributionIncludeOrigins",
base::FEATURE_DISABLED_BY_DEFAULT);
BASE_FEATURE(kSeamlessRenderFrameSwap,
"SeamlessRenderFrameSwap",
base::FEATURE_DISABLED_BY_DEFAULT);
} // namespace performance_manager::features
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