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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef INCLUDED_COMPHELPER_TRACEEVENT_HXX
#define INCLUDED_COMPHELPER_TRACEEVENT_HXX
#include <sal/config.h>
#include <atomic>
#include <map>
#include <memory>
#include <utility>
#include <vector>
#include <osl/process.h>
#include <osl/thread.h>
#include <osl/time.h>
#include <com/sun/star/uno/Sequence.h>
#include <comphelper/comphelperdllapi.h>
#include <rtl/ustrbuf.hxx>
#include <rtl/ustring.hxx>
// implementation of XToolkitExperimental profiling API
namespace comphelper
{
class COMPHELPER_DLLPUBLIC TraceEvent
{
private:
static int getPid()
{
oslProcessInfo aProcessInfo;
aProcessInfo.Size = sizeof(oslProcessInfo);
if (osl_getProcessInfo(nullptr, osl_Process_IDENTIFIER, &aProcessInfo)
== osl_Process_E_None)
return aProcessInfo.Ident;
return -1;
}
static std::size_t s_nBufferSize;
static void (*s_pBufferFullCallback)();
protected:
static std::atomic<bool> s_bRecording; // true during recording
static void addRecording(const OUString& sObject);
static long long getNow()
{
TimeValue systemTime;
osl_getSystemTime(&systemTime);
return static_cast<long long>(systemTime.Seconds) * 1000000 + systemTime.Nanosec / 1000;
}
static OUString createArgsString(const std::map<OUString, OUString>& args)
{
if (args.size() == 0)
return u""_ustr;
OUStringBuffer sResult(",\"args\":{");
bool first = true;
for (auto& i : args)
{
if (!first)
sResult.append(',');
sResult.append("\"" + i.first + "\":\"" + i.second + "\"");
first = false;
}
sResult.append('}');
return sResult.makeStringAndClear();
}
const int m_nPid;
const OUString m_sArgs;
TraceEvent(OUString sArgs)
: m_nPid(s_bRecording ? getPid() : 1)
, m_sArgs(std::move(sArgs))
{
}
TraceEvent(const std::map<OUString, OUString>& aArgs)
: TraceEvent(createArgsString(aArgs))
{
}
public:
static void addInstantEvent(const char* sName, const std::map<OUString, OUString>& args
= std::map<OUString, OUString>());
static void startRecording();
static void stopRecording();
static void setBufferSizeAndCallback(std::size_t bufferSize, void (*bufferFullCallback)());
static std::vector<OUString> getEventVectorAndClear();
static css::uno::Sequence<OUString> getRecordingAndClear();
};
class COMPHELPER_DLLPUBLIC NamedEvent : public TraceEvent
{
protected:
const char* m_sName;
NamedEvent(const char* sName, const OUString& sArgs)
: TraceEvent(sArgs)
, m_sName(sName ? sName : "(null)")
{
}
NamedEvent(const char* sName, const std::map<OUString, OUString>& aArgs)
: TraceEvent(aArgs)
, m_sName(sName ? sName : "(null)")
{
}
};
// An AsyncEvent generates an 'S' (start) event when constructed and a 'F' (finish) event when it
// is destructed.
// The Trace Event specification claims that these event types are deprecated and replaces by
// nestable 'b' (begin) and 'e' (end) events, but Chrome does not seem to support those.
// To generate a pair of 'S' and 'F' events, create an AsyncEvent object using the AsyncEvent(const
// char* sName) constructor when you want the 'S' event to be generated, and destroy it when you
// want the corresponding 'F' event to be generated.
class COMPHELPER_DLLPUBLIC AsyncEvent : public NamedEvent,
public std::enable_shared_from_this<AsyncEvent>
{
static int s_nIdCounter;
int m_nId;
bool m_bBeginRecorded;
AsyncEvent(const char* sName, int nId, const std::map<OUString, OUString>& args)
: NamedEvent(sName, args)
, m_nId(nId)
, m_bBeginRecorded(false)
{
if (!s_bRecording)
return;
long long nNow = getNow();
// Generate a "Start" (type S) event
TraceEvent::addRecording("{"
"\"name\":\""
+ OUString(m_sName, strlen(m_sName), RTL_TEXTENCODING_UTF8)
+ "\","
"\"ph\":\"S\""
","
"\"id\":"
+ OUString::number(m_nId) + m_sArgs
+ ","
"\"ts\":"
+ OUString::number(nNow)
+ ","
"\"pid\":"
+ OUString::number(m_nPid)
+ ","
"\"tid\":"
+ OUString::number(osl_getThreadIdentifier(nullptr)) + "},");
m_bBeginRecorded = true;
}
void generateEnd()
{
if (!m_bBeginRecorded)
return;
m_bBeginRecorded = false;
long long nNow = getNow();
// Generate a "Finish" (type F) event
TraceEvent::addRecording("{"
"\"name\":\""
+ OUString(m_sName, strlen(m_sName), RTL_TEXTENCODING_UTF8)
+ "\","
"\"ph\":\"F\""
","
"\"id\":"
+ OUString::number(m_nId) + m_sArgs
+ ","
"\"ts\":"
+ OUString::number(nNow)
+ ","
"\"pid\":"
+ OUString::number(m_nPid)
+ ","
"\"tid\":"
+ OUString::number(osl_getThreadIdentifier(nullptr)) + "},");
}
public:
AsyncEvent(const char* sName,
const std::map<OUString, OUString>& args = std::map<OUString, OUString>())
: AsyncEvent(sName, s_nIdCounter++, args)
{
}
~AsyncEvent() { generateEnd(); }
void finish() { generateEnd(); }
};
} // namespace comphelper
#endif // INCLUDED_COMPHELPER_TRACEEVENT_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
