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167 lines
6.1 KiB
167 lines
6.1 KiB
4 months ago
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/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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* * See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_RUNTIME_JIT_PROFILE_SAVER_OPTIONS_H_
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#define ART_RUNTIME_JIT_PROFILE_SAVER_OPTIONS_H_
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#include <ostream>
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#include <string>
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namespace art {
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struct ProfileSaverOptions {
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public:
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static constexpr uint32_t kMinSavePeriodMs = 40 * 1000; // 40 seconds
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// Default value for the min save period on first use, indicating that the
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// period is not configured.
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static constexpr uint32_t kMinFirstSaveMsNotSet = 0;
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static constexpr uint32_t kSaveResolvedClassesDelayMs = 5 * 1000; // 5 seconds
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// Minimum number of JIT samples during launch to mark a method as hot in the profile.
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static constexpr uint32_t kHotStartupMethodSamples = 1;
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static constexpr uint32_t kHotStartupMethodSamplesLowRam = 256;
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static constexpr uint32_t kMinMethodsToSave = 10;
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static constexpr uint32_t kMinClassesToSave = 10;
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static constexpr uint32_t kMinNotificationBeforeWake = 10;
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static constexpr uint32_t kMaxNotificationBeforeWake = 50;
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static constexpr uint32_t kHotStartupMethodSamplesNotSet = std::numeric_limits<uint32_t>::max();
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ProfileSaverOptions() :
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enabled_(false),
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min_save_period_ms_(kMinSavePeriodMs),
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min_first_save_ms_(kMinFirstSaveMsNotSet),
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save_resolved_classes_delay_ms_(kSaveResolvedClassesDelayMs),
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hot_startup_method_samples_(kHotStartupMethodSamplesNotSet),
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min_methods_to_save_(kMinMethodsToSave),
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min_classes_to_save_(kMinClassesToSave),
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min_notification_before_wake_(kMinNotificationBeforeWake),
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max_notification_before_wake_(kMaxNotificationBeforeWake),
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profile_path_(""),
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profile_boot_class_path_(false),
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profile_aot_code_(false),
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wait_for_jit_notifications_to_save_(true) {}
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ProfileSaverOptions(
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bool enabled,
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uint32_t min_save_period_ms,
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uint32_t min_first_save_ms,
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uint32_t save_resolved_classes_delay_ms,
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uint32_t hot_startup_method_samples,
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uint32_t min_methods_to_save,
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uint32_t min_classes_to_save,
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uint32_t min_notification_before_wake,
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uint32_t max_notification_before_wake,
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const std::string& profile_path,
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bool profile_boot_class_path,
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bool profile_aot_code = false,
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bool wait_for_jit_notifications_to_save = true)
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: enabled_(enabled),
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min_save_period_ms_(min_save_period_ms),
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min_first_save_ms_(min_first_save_ms),
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save_resolved_classes_delay_ms_(save_resolved_classes_delay_ms),
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hot_startup_method_samples_(hot_startup_method_samples),
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min_methods_to_save_(min_methods_to_save),
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min_classes_to_save_(min_classes_to_save),
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min_notification_before_wake_(min_notification_before_wake),
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max_notification_before_wake_(max_notification_before_wake),
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profile_path_(profile_path),
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profile_boot_class_path_(profile_boot_class_path),
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profile_aot_code_(profile_aot_code),
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wait_for_jit_notifications_to_save_(wait_for_jit_notifications_to_save) {}
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bool IsEnabled() const {
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return enabled_;
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}
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void SetEnabled(bool enabled) {
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enabled_ = enabled;
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}
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uint32_t GetMinSavePeriodMs() const {
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return min_save_period_ms_;
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}
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uint32_t GetMinFirstSaveMs() const {
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return min_first_save_ms_;
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}
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uint32_t GetSaveResolvedClassesDelayMs() const {
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return save_resolved_classes_delay_ms_;
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}
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uint32_t GetHotStartupMethodSamples(bool is_low_ram) const {
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uint32_t ret = hot_startup_method_samples_;
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if (ret == kHotStartupMethodSamplesNotSet) {
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ret = is_low_ram ? kHotStartupMethodSamplesLowRam : kHotStartupMethodSamples;
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}
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return ret;
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}
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uint32_t GetMinMethodsToSave() const {
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return min_methods_to_save_;
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}
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uint32_t GetMinClassesToSave() const {
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return min_classes_to_save_;
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}
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uint32_t GetMinNotificationBeforeWake() const {
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return min_notification_before_wake_;
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}
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uint32_t GetMaxNotificationBeforeWake() const {
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return max_notification_before_wake_;
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}
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std::string GetProfilePath() const {
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return profile_path_;
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}
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bool GetProfileBootClassPath() const {
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return profile_boot_class_path_;
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}
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bool GetProfileAOTCode() const {
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return profile_aot_code_;
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}
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bool GetWaitForJitNotificationsToSave() const {
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return wait_for_jit_notifications_to_save_;
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}
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void SetWaitForJitNotificationsToSave(bool value) {
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wait_for_jit_notifications_to_save_ = value;
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}
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friend std::ostream & operator<<(std::ostream &os, const ProfileSaverOptions& pso) {
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os << "enabled_" << pso.enabled_
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<< ", min_save_period_ms_" << pso.min_save_period_ms_
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<< ", min_first_save_ms_" << pso.min_first_save_ms_
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<< ", save_resolved_classes_delay_ms_" << pso.save_resolved_classes_delay_ms_
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<< ", hot_startup_method_samples_" << pso.hot_startup_method_samples_
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<< ", min_methods_to_save_" << pso.min_methods_to_save_
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<< ", min_classes_to_save_" << pso.min_classes_to_save_
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<< ", min_notification_before_wake_" << pso.min_notification_before_wake_
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<< ", max_notification_before_wake_" << pso.max_notification_before_wake_
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<< ", profile_boot_class_path_" << pso.profile_boot_class_path_
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<< ", profile_aot_code_" << pso.profile_aot_code_
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<< ", wait_for_jit_notifications_to_save_" << pso.wait_for_jit_notifications_to_save_;
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return os;
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}
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bool enabled_;
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uint32_t min_save_period_ms_;
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uint32_t min_first_save_ms_;
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uint32_t save_resolved_classes_delay_ms_;
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// Do not access hot_startup_method_samples_ directly for reading since it may be set to the
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// placeholder default.
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uint32_t hot_startup_method_samples_;
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uint32_t min_methods_to_save_;
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uint32_t min_classes_to_save_;
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uint32_t min_notification_before_wake_;
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uint32_t max_notification_before_wake_;
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std::string profile_path_;
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bool profile_boot_class_path_;
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bool profile_aot_code_;
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bool wait_for_jit_notifications_to_save_;
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};
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} // namespace art
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#endif // ART_RUNTIME_JIT_PROFILE_SAVER_OPTIONS_H_
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