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