profile_saver_options.h revision 2e3942ba59ff0d183474aaf3c505aa39cc172ece 
1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 * * See the License for the specific language governing permissions and
10 * limitations under the License.
11 */
12
13#ifndef ART_RUNTIME_JIT_PROFILE_SAVER_OPTIONS_H_
14#define ART_RUNTIME_JIT_PROFILE_SAVER_OPTIONS_H_
15
16#include <string>
17#include <ostream>
18
19namespace art {
20
21struct ProfileSaverOptions {
22 public:
23  static constexpr uint32_t kMinSavePeriodMs = 40 * 1000;  // 40 seconds
24  static constexpr uint32_t kSaveResolvedClassesDelayMs = 5 * 1000;  // 5 seconds
25  // Minimum number of JIT samples during launch to include a method into the profile.
26  static constexpr uint32_t kStartupMethodSamples = 1;
27  static constexpr uint32_t kMinMethodsToSave = 10;
28  static constexpr uint32_t kMinClassesToSave = 10;
29  static constexpr uint32_t kMinNotificationBeforeWake = 10;
30  static constexpr uint32_t kMaxNotificationBeforeWake = 50;
31
32  ProfileSaverOptions() :
33    enabled_(false),
34    min_save_period_ms_(kMinSavePeriodMs),
35    save_resolved_classes_delay_ms_(kSaveResolvedClassesDelayMs),
36    startup_method_samples_(kStartupMethodSamples),
37    min_methods_to_save_(kMinMethodsToSave),
38    min_classes_to_save_(kMinClassesToSave),
39    min_notification_before_wake_(kMinNotificationBeforeWake),
40    max_notification_before_wake_(kMaxNotificationBeforeWake),
41    profile_path_("") {}
42
43  ProfileSaverOptions(
44      bool enabled,
45      uint32_t min_save_period_ms,
46      uint32_t save_resolved_classes_delay_ms,
47      uint32_t startup_method_samples,
48      uint32_t min_methods_to_save,
49      uint32_t min_classes_to_save,
50      uint32_t min_notification_before_wake,
51      uint32_t max_notification_before_wake,
52      const std::string& profile_path):
53    enabled_(enabled),
54    min_save_period_ms_(min_save_period_ms),
55    save_resolved_classes_delay_ms_(save_resolved_classes_delay_ms),
56    startup_method_samples_(startup_method_samples),
57    min_methods_to_save_(min_methods_to_save),
58    min_classes_to_save_(min_classes_to_save),
59    min_notification_before_wake_(min_notification_before_wake),
60    max_notification_before_wake_(max_notification_before_wake),
61    profile_path_(profile_path) {}
62
63  bool IsEnabled() const {
64    return enabled_;
65  }
66  void SetEnabled(bool enabled) {
67    enabled_ = enabled;
68  }
69
70  uint32_t GetMinSavePeriodMs() const {
71    return min_save_period_ms_;
72  }
73  uint32_t GetSaveResolvedClassesDelayMs() const {
74    return save_resolved_classes_delay_ms_;
75  }
76  uint32_t GetStartupMethodSamples() const {
77    return startup_method_samples_;
78  }
79  uint32_t GetMinMethodsToSave() const {
80    return min_methods_to_save_;
81  }
82  uint32_t GetMinClassesToSave() const {
83    return min_classes_to_save_;
84  }
85  uint32_t GetMinNotificationBeforeWake() const {
86    return min_notification_before_wake_;
87  }
88  uint32_t GetMaxNotificationBeforeWake() const {
89    return max_notification_before_wake_;
90  }
91  std::string GetProfilePath() const {
92    return profile_path_;
93  }
94
95  friend std::ostream & operator<<(std::ostream &os, const ProfileSaverOptions& pso) {
96    os << "enabled_" << pso.enabled_
97        << ", min_save_period_ms_" << pso.min_save_period_ms_
98        << ", save_resolved_classes_delay_ms_" << pso.save_resolved_classes_delay_ms_
99        << ", startup_method_samples_" << pso.startup_method_samples_
100        << ", min_methods_to_save_" << pso.min_methods_to_save_
101        << ", min_classes_to_save_" << pso.min_classes_to_save_
102        << ", min_notification_before_wake_" << pso.min_notification_before_wake_
103        << ", max_notification_before_wake_" << pso.max_notification_before_wake_;
104    return os;
105  }
106
107  bool enabled_;
108  uint32_t min_save_period_ms_;
109  uint32_t save_resolved_classes_delay_ms_;
110  uint32_t startup_method_samples_;
111  uint32_t min_methods_to_save_;
112  uint32_t min_classes_to_save_;
113  uint32_t min_notification_before_wake_;
114  uint32_t max_notification_before_wake_;
115  std::string profile_path_;
116};
117
118}  // namespace art
119
120#endif  // ART_RUNTIME_JIT_PROFILE_SAVER_OPTIONS_H_
121