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qv4profiling_p.h #1

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
5**-
6** This file is part of the QtQml module of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL$-
9** Commercial License Usage-
10** Licensees holding valid commercial Qt licenses may use this file in-
11** accordance with the commercial license agreement provided with the-
12** Software or, alternatively, in accordance with the terms contained in-
13** a written agreement between you and The Qt Company. For licensing terms-
14** and conditions see https://www.qt.io/terms-conditions. For further-
15** information use the contact form at https://www.qt.io/contact-us.-
16**-
17** GNU Lesser General Public License Usage-
18** Alternatively, this file may be used under the terms of the GNU Lesser-
19** General Public License version 3 as published by the Free Software-
20** Foundation and appearing in the file LICENSE.LGPL3 included in the-
21** packaging of this file. Please review the following information to-
22** ensure the GNU Lesser General Public License version 3 requirements-
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
24**-
25** GNU General Public License Usage-
26** Alternatively, this file may be used under the terms of the GNU-
27** General Public License version 2.0 or (at your option) the GNU General-
28** Public license version 3 or any later version approved by the KDE Free-
29** Qt Foundation. The licenses are as published by the Free Software-
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3-
31** included in the packaging of this file. Please review the following-
32** information to ensure the GNU General Public License requirements will-
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and-
34** https://www.gnu.org/licenses/gpl-3.0.html.-
35**-
36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40#ifndef QV4PROFILING_H-
41#define QV4PROFILING_H-
42-
43//-
44// W A R N I N G-
45// --------------
46//-
47// This file is not part of the Qt API. It exists purely as an-
48// implementation detail. This header file may change from version to-
49// version without notice, or even be removed.-
50//-
51// We mean it.-
52//-
53-
54#include "qv4global_p.h"-
55#include "qv4engine_p.h"-
56#include "qv4function_p.h"-
57-
58#include <QElapsedTimer>-
59-
60#if !QT_CONFIG(qml_debug)-
61-
62#define Q_V4_PROFILE_ALLOC(engine, size, type) (!engine)-
63#define Q_V4_PROFILE_DEALLOC(engine, size, type) (!engine)-
64-
65QT_BEGIN_NAMESPACE-
66-
67namespace QV4 {-
68namespace Profiling {-
69class Profiler {};-
70class FunctionCallProfiler {-
71public:-
72 FunctionCallProfiler(ExecutionEngine *, Function *) {}-
73};-
74}-
75}-
76-
77QT_END_NAMESPACE-
78-
79#else-
80-
81#define Q_V4_PROFILE_ALLOC(engine, size, type)\-
82 (engine->profiler() &&\-
83 (engine->profiler()->featuresEnabled & (1 << Profiling::FeatureMemoryAllocation)) ?\-
84 engine->profiler()->trackAlloc(size, type) : false)-
85-
86#define Q_V4_PROFILE_DEALLOC(engine, size, type) \-
87 (engine->profiler() &&\-
88 (engine->profiler()->featuresEnabled & (1 << Profiling::FeatureMemoryAllocation)) ?\-
89 engine->profiler()->trackDealloc(size, type) : false)-
90-
91QT_BEGIN_NAMESPACE-
92-
93namespace QV4 {-
94-
95namespace Profiling {-
96-
97enum Features {-
98 FeatureFunctionCall,-
99 FeatureMemoryAllocation-
100};-
101-
102enum MemoryType {-
103 HeapPage,-
104 LargeItem,-
105 SmallItem-
106};-
107-
108struct FunctionCallProperties {-
109 qint64 start;-
110 qint64 end;-
111 quintptr id;-
112};-
113-
114struct FunctionLocation {-
115 FunctionLocation(const QString &name = QString(), const QString &file = QString(),-
116 int line = -1, int column = -1) :-
117 name(name), file(file), line(line), column(column)-
118 {}
executed 16 times by 1 test: end of block
Executed by:
  • tst_qqmlprofilerservice
16
119-
120 bool isValid()-
121 {-
122 return !name.isEmpty();
executed 8 times by 1 test: return !name.isEmpty();
Executed by:
  • tst_qqmlprofilerservice
8
123 }-
124-
125 QString name;-
126 QString file;-
127 int line;-
128 int column;-
129};-
130-
131typedef QHash<quintptr, QV4::Profiling::FunctionLocation> FunctionLocationHash;-
132-
133struct MemoryAllocationProperties {-
134 qint64 timestamp;-
135 qint64 size;-
136 MemoryType type;-
137};-
138-
139class FunctionCall {-
140public:-
141-
142 FunctionCall() : m_function(nullptr), m_start(0), m_end(0)-
143 { Q_ASSERT_X(false, Q_FUNC_INFO, "Cannot construct a function call without function"); }
never executed: end of block
0
144-
145 FunctionCall(Function *function, qint64 start, qint64 end) :-
146 m_function(function), m_start(start), m_end(end)-
147 { m_function->compilationUnit->addref(); }
executed 14 times by 1 test: end of block
Executed by:
  • tst_qqmlprofilerservice
14
148-
149 FunctionCall(const FunctionCall &other) :-
150 m_function(other.m_function), m_start(other.m_start), m_end(other.m_end)-
151 { m_function->compilationUnit->addref(); }
executed 22 times by 1 test: end of block
Executed by:
  • tst_qqmlprofilerservice
22
152-
153 ~FunctionCall()-
154 { m_function->compilationUnit->release(); }
executed 36 times by 1 test: end of block
Executed by:
  • tst_qqmlprofilerservice
36
155-
156 FunctionCall &operator=(const FunctionCall &other) {-
157 if (&other != this) {
&other != thisDescription
TRUEevaluated 28 times by 1 test
Evaluated by:
  • tst_qqmlprofilerservice
FALSEnever evaluated
0-28
158 other.m_function->compilationUnit->addref();-
159 m_function->compilationUnit->release();-
160 m_function = other.m_function;-
161 m_start = other.m_start;-
162 m_end = other.m_end;-
163 }
executed 28 times by 1 test: end of block
Executed by:
  • tst_qqmlprofilerservice
28
164 return *this;
executed 28 times by 1 test: return *this;
Executed by:
  • tst_qqmlprofilerservice
28
165 }-
166-
167 Function *function() const-
168 {-
169 return m_function;
executed 14 times by 1 test: return m_function;
Executed by:
  • tst_qqmlprofilerservice
14
170 }-
171-
172 FunctionLocation resolveLocation() const;-
173 FunctionCallProperties properties() const;-
174-
175private:-
176 friend bool operator<(const FunctionCall &call1, const FunctionCall &call2);-
177-
178 Function *m_function;-
179 qint64 m_start;-
180 qint64 m_end;-
181};-
182-
183class Q_QML_EXPORT Profiler : public QObject {-
184 Q_OBJECT-
185public:-
186 struct SentMarker {-
187 SentMarker() : m_function(nullptr) {}
executed 8 times by 1 test: end of block
Executed by:
  • tst_qqmlprofilerservice
8
188-
189 SentMarker(const SentMarker &other) : m_function(other.m_function)-
190 {-
191 if (m_function)
m_functionDescription
TRUEnever evaluated
FALSEevaluated 8 times by 1 test
Evaluated by:
  • tst_qqmlprofilerservice
0-8
192 m_function->compilationUnit->addref();
never executed: m_function->compilationUnit->addref();
0
193 }
executed 8 times by 1 test: end of block
Executed by:
  • tst_qqmlprofilerservice
8
194-
195 ~SentMarker()-
196 {-
197 if (m_function)
m_functionDescription
TRUEevaluated 8 times by 1 test
Evaluated by:
  • tst_qqmlprofilerservice
FALSEevaluated 8 times by 1 test
Evaluated by:
  • tst_qqmlprofilerservice
8
198 m_function->compilationUnit->release();
executed 8 times by 1 test: m_function->compilationUnit->release();
Executed by:
  • tst_qqmlprofilerservice
8
199 }
executed 16 times by 1 test: end of block
Executed by:
  • tst_qqmlprofilerservice
16
200-
201 SentMarker &operator=(const SentMarker &other)-
202 {-
203 if (&other != this) {
&other != thisDescription
TRUEnever evaluated
FALSEnever evaluated
0
204 if (m_function)
m_functionDescription
TRUEnever evaluated
FALSEnever evaluated
0
205 m_function->compilationUnit->release();
never executed: m_function->compilationUnit->release();
0
206 m_function = other.m_function;-
207 m_function->compilationUnit->addref();-
208 }
never executed: end of block
0
209 return *this;
never executed: return *this;
0
210 }-
211-
212 void setFunction(Function *function)-
213 {-
214 Q_ASSERT(m_function == nullptr);-
215 m_function = function;-
216 m_function->compilationUnit->addref();-
217 }
executed 8 times by 1 test: end of block
Executed by:
  • tst_qqmlprofilerservice
8
218-
219 bool isValid() const-
220 { return m_function != nullptr; }
executed 14 times by 1 test: return m_function != nullptr;
Executed by:
  • tst_qqmlprofilerservice
14
221-
222 private:-
223 Function *m_function;-
224 };-
225-
226 Profiler(QV4::ExecutionEngine *engine);-
227-
228 bool trackAlloc(size_t size, MemoryType type)-
229 {-
230 if (size) {
sizeDescription
TRUEevaluated 152 times by 1 test
Evaluated by:
  • tst_qqmlprofilerservice
FALSEnever evaluated
0-152
231 MemoryAllocationProperties allocation = {m_timer.nsecsElapsed(), (qint64)size, type};-
232 m_memory_data.append(allocation);-
233 return true;
executed 152 times by 1 test: return true;
Executed by:
  • tst_qqmlprofilerservice
152
234 } else {-
235 return false;
never executed: return false;
0
236 }-
237 }-
238-
239 bool trackDealloc(size_t size, MemoryType type)-
240 {-
241 if (size) {
sizeDescription
TRUEnever evaluated
FALSEnever evaluated
0
242 MemoryAllocationProperties allocation = {m_timer.nsecsElapsed(), -(qint64)size, type};-
243 m_memory_data.append(allocation);-
244 return true;
never executed: return true;
0
245 } else {-
246 return false;
never executed: return false;
0
247 }-
248 }-
249-
250 quint64 featuresEnabled;-
251-
252 void stopProfiling();-
253 void startProfiling(quint64 features);-
254 void reportData();-
255 void setTimer(const QElapsedTimer &timer) { m_timer = timer; }
executed 32 times by 3 tests: end of block
Executed by:
  • tst_qqmldebugjs
  • tst_qqmldebuglocal
  • tst_qqmlprofilerservice
32
256-
257signals:-
258 void dataReady(const QV4::Profiling::FunctionLocationHash &,-
259 const QVector<QV4::Profiling::FunctionCallProperties> &,-
260 const QVector<QV4::Profiling::MemoryAllocationProperties> &);-
261-
262private:-
263 QV4::ExecutionEngine *m_engine;-
264 QElapsedTimer m_timer;-
265 QVector<FunctionCall> m_data;-
266 QVector<MemoryAllocationProperties> m_memory_data;-
267 QHash<quintptr, SentMarker> m_sentLocations;-
268-
269 friend class FunctionCallProfiler;-
270};-
271-
272class FunctionCallProfiler {-
273 Q_DISABLE_COPY(FunctionCallProfiler)-
274public:-
275-
276 // It's enough to ref() the function in the destructor as it will probably not disappear while-
277 // it's executing ...-
278 FunctionCallProfiler(ExecutionEngine *engine, Function *f)-
279 : profiler(nullptr)-
280 {-
281 Profiler *p = engine->profiler();-
282 if (Q_UNLIKELY(p) && (p->featuresEnabled & (1 << Profiling::FeatureFunctionCall))) {
__builtin_expect(!!(p), false)Description
TRUEevaluated 30 times by 2 tests
Evaluated by:
  • tst_qqmldebugjs
  • tst_qqmlprofilerservice
FALSEevaluated 17699042 times by 133 tests
Evaluated by:
  • tst_bindingdependencyapi
  • tst_drawingmodes
  • tst_ecmascripttests
  • tst_examples
  • tst_flickableinterop
  • tst_multipointtoucharea_interop
  • tst_qjsengine
  • tst_qjsonbinding
  • tst_qjsvalue
  • tst_qjsvalueiterator
  • tst_qmlcachegen
  • tst_qmldiskcache
  • tst_qqmlapplicationengine
  • tst_qqmlbinding
  • tst_qqmlcomponent
  • tst_qqmlconnections
  • tst_qqmlconsole
  • tst_qqmlcontext
  • tst_qqmldebugjs
  • tst_qqmlecmascript
  • tst_qqmlenginedebugservice
  • tst_qqmlexpression
  • tst_qqmlincubator
  • tst_qqmlinfo
  • tst_qqmlinstantiator
  • ...
(p->featuresEn...FunctionCall))Description
TRUEevaluated 14 times by 1 test
Evaluated by:
  • tst_qqmlprofilerservice
FALSEevaluated 16 times by 1 test
Evaluated by:
  • tst_qqmldebugjs
14-17699042
283 profiler = p;-
284 function = f;-
285 startTime = profiler->m_timer.nsecsElapsed();-
286 }
executed 14 times by 1 test: end of block
Executed by:
  • tst_qqmlprofilerservice
14
287 }
executed 17704945 times by 134 tests: end of block
Executed by:
  • tst_bindingdependencyapi
  • tst_drawingmodes
  • tst_ecmascripttests
  • tst_examples
  • tst_flickableinterop
  • tst_multipointtoucharea_interop
  • tst_qjsengine
  • tst_qjsonbinding
  • tst_qjsvalue
  • tst_qjsvalueiterator
  • tst_qmlcachegen
  • tst_qmldiskcache
  • tst_qqmlapplicationengine
  • tst_qqmlbinding
  • tst_qqmlcomponent
  • tst_qqmlconnections
  • tst_qqmlconsole
  • tst_qqmlcontext
  • tst_qqmldebugjs
  • tst_qqmlecmascript
  • tst_qqmlenginedebugservice
  • tst_qqmlexpression
  • tst_qqmlincubator
  • tst_qqmlinfo
  • tst_qqmlinstantiator
  • ...
17704945
288-
289 ~FunctionCallProfiler()-
290 {-
291 if (profiler)
profilerDescription
TRUEevaluated 14 times by 1 test
Evaluated by:
  • tst_qqmlprofilerservice
FALSEevaluated 17678129 times by 133 tests
Evaluated by:
  • tst_bindingdependencyapi
  • tst_drawingmodes
  • tst_ecmascripttests
  • tst_examples
  • tst_flickableinterop
  • tst_multipointtoucharea_interop
  • tst_qjsengine
  • tst_qjsonbinding
  • tst_qjsvalue
  • tst_qjsvalueiterator
  • tst_qmlcachegen
  • tst_qmldiskcache
  • tst_qqmlapplicationengine
  • tst_qqmlbinding
  • tst_qqmlcomponent
  • tst_qqmlconnections
  • tst_qqmlconsole
  • tst_qqmlcontext
  • tst_qqmldebugjs
  • tst_qqmlecmascript
  • tst_qqmlenginedebugservice
  • tst_qqmlexpression
  • tst_qqmlincubator
  • tst_qqmlinfo
  • tst_qqmlinstantiator
  • ...
14-17678129
292 profiler->m_data.append(FunctionCall(function, startTime, profiler->m_timer.nsecsElapsed()));
executed 14 times by 1 test: profiler->m_data.append(FunctionCall(function, startTime, profiler->m_timer.nsecsElapsed()));
Executed by:
  • tst_qqmlprofilerservice
14
293 }
executed 17696998 times by 134 tests: end of block
Executed by:
  • tst_bindingdependencyapi
  • tst_drawingmodes
  • tst_ecmascripttests
  • tst_examples
  • tst_flickableinterop
  • tst_multipointtoucharea_interop
  • tst_qjsengine
  • tst_qjsonbinding
  • tst_qjsvalue
  • tst_qjsvalueiterator
  • tst_qmlcachegen
  • tst_qmldiskcache
  • tst_qqmlapplicationengine
  • tst_qqmlbinding
  • tst_qqmlcomponent
  • tst_qqmlconnections
  • tst_qqmlconsole
  • tst_qqmlcontext
  • tst_qqmldebugjs
  • tst_qqmlecmascript
  • tst_qqmlenginedebugservice
  • tst_qqmlexpression
  • tst_qqmlincubator
  • tst_qqmlinfo
  • tst_qqmlinstantiator
  • ...
17696998
294-
295 Profiler *profiler;-
296 Function *function;-
297 qint64 startTime;-
298};-
299-
300-
301} // namespace Profiling-
302} // namespace QV4-
303-
304Q_DECLARE_TYPEINFO(QV4::Profiling::MemoryAllocationProperties, Q_MOVABLE_TYPE);-
305Q_DECLARE_TYPEINFO(QV4::Profiling::FunctionCallProperties, Q_MOVABLE_TYPE);-
306Q_DECLARE_TYPEINFO(QV4::Profiling::FunctionCall, Q_MOVABLE_TYPE);-
307Q_DECLARE_TYPEINFO(QV4::Profiling::FunctionLocation, Q_MOVABLE_TYPE);-
308Q_DECLARE_TYPEINFO(QV4::Profiling::Profiler::SentMarker, Q_MOVABLE_TYPE);-
309-
310QT_END_NAMESPACE-
311Q_DECLARE_METATYPE(QV4::Profiling::FunctionLocationHash)-
312Q_DECLARE_METATYPE(QVector<QV4::Profiling::FunctionCallProperties>)-
313Q_DECLARE_METATYPE(QVector<QV4::Profiling::MemoryAllocationProperties>)-
314-
315#endif // QT_CONFIG(qml_debug)-
316-
317#endif // QV4PROFILING_H-
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