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
|
/*
* 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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_LIBARTBASE_BASE_SYSTRACE_H_
#define ART_LIBARTBASE_BASE_SYSTRACE_H_
#include <sstream>
#include <string>
#include "android-base/stringprintf.h"
#include "macros.h"
#include "palette/palette.h"
namespace art {
inline bool ATraceEnabled() {
int enabled = 0;
if (UNLIKELY(PaletteTraceEnabled(&enabled) == PaletteStatus::kOkay && enabled != 0)) {
return true;
} else {
return false;
}
}
inline void ATraceBegin(const char* name) {
PaletteTraceBegin(name);
}
inline void ATraceEnd() {
PaletteTraceEnd();
}
inline void ATraceIntegerValue(const char* name, int32_t value) {
PaletteTraceIntegerValue(name, value);
}
class ScopedTrace {
public:
explicit ScopedTrace(const char* name) {
ATraceBegin(name);
}
template <typename Fn>
explicit ScopedTrace(Fn fn) {
if (UNLIKELY(ATraceEnabled())) {
ATraceBegin(fn().c_str());
}
}
explicit ScopedTrace(const std::string& name) : ScopedTrace(name.c_str()) {}
~ScopedTrace() {
ATraceEnd();
}
};
// Helper for the SCOPED_TRACE macro. Do not use directly.
class ScopedTraceNoStart {
public:
ScopedTraceNoStart() {
}
~ScopedTraceNoStart() {
ATraceEnd();
}
// Message helper for the macro. Do not use directly.
class ScopedTraceMessageHelper {
public:
ScopedTraceMessageHelper() {
}
~ScopedTraceMessageHelper() {
ATraceBegin(buffer_.str().c_str());
}
std::ostream& stream() {
return buffer_;
}
private:
std::ostringstream buffer_;
};
};
#define SCOPED_TRACE \
::art::ScopedTraceNoStart APPEND_TOKENS_AFTER_EVAL(trace, __LINE__) ; \
(ATraceEnabled()) && ::art::ScopedTraceNoStart::ScopedTraceMessageHelper().stream()
} // namespace art
#endif // ART_LIBARTBASE_BASE_SYSTRACE_H_
|
