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
|
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qv4profileradapter_p.h"
#include "qqmlprofilerservice_p.h"
#include "qqmldebugservice_p.h"
QT_BEGIN_NAMESPACE
QV4ProfilerAdapter::QV4ProfilerAdapter(QQmlProfilerService *service, QV4::ExecutionEngine *engine) :
QQmlAbstractProfilerAdapter(service)
{
engine->enableProfiler();
connect(this, SIGNAL(profilingEnabled()), engine->profiler, SLOT(startProfiling()));
connect(this, SIGNAL(profilingEnabledWhileWaiting()), engine->profiler, SLOT(startProfiling()),
Qt::DirectConnection);
connect(this, SIGNAL(profilingDisabled()), engine->profiler, SLOT(stopProfiling()));
connect(this, SIGNAL(profilingDisabledWhileWaiting()), engine->profiler, SLOT(stopProfiling()),
Qt::DirectConnection);
connect(this, SIGNAL(dataRequested()), engine->profiler, SLOT(reportData()));
connect(this, SIGNAL(referenceTimeKnown(QElapsedTimer)),
engine->profiler, SLOT(setTimer(QElapsedTimer)));
connect(engine->profiler, SIGNAL(dataReady(QList<QV4::Profiling::FunctionCallProperties>,
QList<QV4::Profiling::MemoryAllocationProperties>)),
this, SLOT(receiveData(QList<QV4::Profiling::FunctionCallProperties>,
QList<QV4::Profiling::MemoryAllocationProperties>)));
}
qint64 QV4ProfilerAdapter::appendMemoryEvents(qint64 until, QList<QByteArray> &messages)
{
QByteArray message;
while (!memory_data.empty() && memory_data.front().timestamp <= until) {
QQmlDebugStream d(&message, QIODevice::WriteOnly);
QV4::Profiling::MemoryAllocationProperties &props = memory_data.front();
d << props.timestamp << MemoryAllocation << props.type << props.size;
memory_data.pop_front();
messages.append(message);
}
return memory_data.empty() ? -1 : memory_data.front().timestamp;
}
qint64 QV4ProfilerAdapter::sendMessages(qint64 until, QList<QByteArray> &messages)
{
QByteArray message;
while (true) {
while (!stack.empty() && (data.empty() || stack.top() <= data.front().start)) {
if (stack.top() > until) {
qint64 memory_next = appendMemoryEvents(until, messages);
return memory_next == -1 ? stack.top() : qMin(stack.top(), memory_next);
}
appendMemoryEvents(stack.top(), messages);
QQmlDebugStream d(&message, QIODevice::WriteOnly);
d << stack.pop() << RangeEnd << Javascript;
messages.append(message);
}
while (!data.empty() && (stack.empty() || data.front().start < stack.top())) {
const QV4::Profiling::FunctionCallProperties &props = data.front();
if (props.start > until) {
qint64 memory_next = appendMemoryEvents(until, messages);
return memory_next == -1 ? props.start : qMin(props.start, memory_next);
}
appendMemoryEvents(props.start, messages);
QQmlDebugStream d_start(&message, QIODevice::WriteOnly);
d_start << props.start << RangeStart << Javascript;
messages.push_back(message);
message.clear();
QQmlDebugStream d_location(&message, QIODevice::WriteOnly);
d_location << props.start << RangeLocation << Javascript << props.file << props.line
<< props.column;
messages.push_back(message);
message.clear();
QQmlDebugStream d_data(&message, QIODevice::WriteOnly);
d_data << props.start << RangeData << Javascript << props.name;
messages.push_back(message);
message.clear();
stack.push(props.end);
data.pop_front();
}
if (stack.empty() && data.empty())
return appendMemoryEvents(until, messages);
}
}
void QV4ProfilerAdapter::receiveData(const QList<QV4::Profiling::FunctionCallProperties> &new_data,
const QList<QV4::Profiling::MemoryAllocationProperties> &new_memory_data)
{
data = new_data;
memory_data = new_memory_data;
stack.clear();
service->dataReady(this);
}
QT_END_NAMESPACE
|
