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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 {
BASE_FEATURE(kRunOnMainThread,
"RunOnMainThread",
base::FEATURE_DISABLED_BY_DEFAULT);
BASE_FEATURE(kRunOnDedicatedThreadPoolThread,
"RunOnDedicatedThreadPoolThread",
base::FEATURE_DISABLED_BY_DEFAULT);
#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);
BASE_FEATURE(kPerformanceControlsHighEfficiencyOptOutSurvey,
"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)};
BASE_FEATURE(kHighEfficiencyMultistateMode,
"HighEfficiencyMultistateMode",
base::FEATURE_DISABLED_BY_DEFAULT);
const base::FeatureParam<bool> kHighEfficiencyShowRecommendedBadge{
&kHighEfficiencyMultistateMode, "show_recommended_badge", false};
BASE_FEATURE(kDiscardedTabTreatment,
"DiscardedTabTreatment",
base::FEATURE_DISABLED_BY_DEFAULT);
BASE_FEATURE(kMemoryUsageInHovercards,
"MemoryUsageInHovercards",
base::FEATURE_DISABLED_BY_DEFAULT);
BASE_FEATURE(kDiscardExceptionsImprovements,
"DiscardExceptionsImprovements",
base::FEATURE_DISABLED_BY_DEFAULT);
BASE_FEATURE(kMemorySavingsReportingImprovements,
"MemorySavingsReportingImprovements",
base::FEATURE_DISABLED_BY_DEFAULT);
const base::FeatureParam<base::TimeDelta> kExpandedHighEfficiencyChipFrequency{
&kMemorySavingsReportingImprovements,
"expanded_high_efficiency_chip_frequency", base::Days(1)};
const base::FeatureParam<int> kExpandedHighEfficiencyChipThresholdBytes{
&kMemorySavingsReportingImprovements,
"expanded_high_efficiency_chip_threshold_bytes", 200 * 1024 * 1024};
const base::FeatureParam<base::TimeDelta>
kExpandedHighEfficiencyChipDiscardedDuration{
&kMemorySavingsReportingImprovements,
"expanded_high_efficiency_chip_discarded_duration", base::Hours(6)};
const base::FeatureParam<int> kHighEfficiencyChartPmf25PercentileBytes{
&kMemorySavingsReportingImprovements,
"high_efficiency_chart_pmf_25_percentile_bytes", 62 * 1024 * 1024};
const base::FeatureParam<int> kHighEfficiencyChartPmf50PercentileBytes{
&kMemorySavingsReportingImprovements,
"high_efficiency_chart_pmf_50_percentile_bytes", 112 * 1024 * 1024};
const base::FeatureParam<int> kHighEfficiencyChartPmf75PercentileBytes{
&kMemorySavingsReportingImprovements,
"high_efficiency_chart_pmf_75_percentile_bytes", 197 * 1024 * 1024};
const base::FeatureParam<int> kHighEfficiencyChartPmf99PercentileBytes{
&kMemorySavingsReportingImprovements,
"high_efficiency_chart_pmf_99_percentile_bytes", 800 * 1024 * 1024};
const base::FeatureParam<double> kDiscardedTabTreatmentOpacity{
&kDiscardedTabTreatment, "discard_tab_treatment_opacity", 0.5};
const base::FeatureParam<int> kDiscardedTabTreatmentOption{
&kDiscardedTabTreatment, "discard_tab_treatment_option",
static_cast<int>(DiscardTabTreatmentOptions::kFadeSmallFaviconWithRing)};
const base::FeatureParam<int> kMemoryUsageInHovercardsHighThresholdBytes{
&kMemoryUsageInHovercards,
"memory_usage_in_hovercards_high_threshold_bytes", 800 * 1024 * 1024};
// Mapping of enum value to parameter string for "memory_update_trigger" param.
constexpr base::FeatureParam<MemoryUsageInHovercardsUpdateTrigger>::Option
kMemoryUsageInHovercardsUpdateTriggerOptions[] = {
{MemoryUsageInHovercardsUpdateTrigger::kBackground, "background"},
{MemoryUsageInHovercardsUpdateTrigger::kNavigation, "navigation"},
};
const base::FeatureParam<MemoryUsageInHovercardsUpdateTrigger>
kMemoryUsageInHovercardsUpdateTrigger{
&kMemoryUsageInHovercards, "memory_update_trigger",
MemoryUsageInHovercardsUpdateTrigger::kBackground,
&kMemoryUsageInHovercardsUpdateTriggerOptions};
BASE_FEATURE(kPerformanceControlsSidePanel,
"PerformanceControlsSidePanel",
base::FEATURE_DISABLED_BY_DEFAULT);
#if BUILDFLAG(IS_CHROMEOS_ASH)
BASE_FEATURE(kAshUrgentDiscardingFromPerformanceManager,
"AshUrgentDiscardingFromPerformanceManager",
base::FEATURE_DISABLED_BY_DEFAULT);
#endif // BUILDFLAG(IS_CHROMEOS_ASH)
#endif
BASE_FEATURE(kBFCachePerformanceManagerPolicy,
"BFCachePerformanceManagerPolicy",
base::FEATURE_ENABLED_BY_DEFAULT);
BASE_FEATURE(kUrgentPageDiscarding,
"UrgentPageDiscarding",
base::FEATURE_ENABLED_BY_DEFAULT);
BASE_FEATURE(kPageTimelineMonitor,
"PageTimelineMonitor",
base::FEATURE_ENABLED_BY_DEFAULT);
const base::FeatureParam<base::TimeDelta> kPageTimelineStateIntervalTime{
&kPageTimelineMonitor, "time_between_collect_slice", base::Minutes(5)};
const base::FeatureParam<bool> kUseResourceAttributionCPUMonitor{
&kPageTimelineMonitor, "use_resource_attribution_cpu_monitor", false};
BASE_FEATURE(kCPUInterventionEvaluationLogging,
"CPUInterventionEvaluationLogging",
base::FEATURE_DISABLED_BY_DEFAULT);
const base::FeatureParam<base::TimeDelta> kDelayBeforeLogging{
&kCPUInterventionEvaluationLogging, "delay_before_logging",
base::Seconds(60)};
const base::FeatureParam<int> kThresholdChromeCPUPercent{
&kCPUInterventionEvaluationLogging, "threshold_chrome_cpu_percent", 25};
} // namespace performance_manager::features
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