1 | // Copyright (C) 2016 The Qt Company Ltd. |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #include "qv4profiling_p.h" |
5 | #include <private/qv4mm_p.h> |
6 | #include <private/qv4string_p.h> |
7 | |
8 | QT_BEGIN_NAMESPACE |
9 | |
10 | namespace QV4 { |
11 | namespace Profiling { |
12 | |
13 | FunctionLocation FunctionCall::resolveLocation() const |
14 | { |
15 | return FunctionLocation(m_function->name()->toQString(), |
16 | m_function->executableCompilationUnit()->fileName(), |
17 | m_function->compiledFunction->location.line(), |
18 | m_function->compiledFunction->location.column()); |
19 | } |
20 | |
21 | FunctionCallProperties FunctionCall::properties() const |
22 | { |
23 | FunctionCallProperties props = { |
24 | .start: m_start, |
25 | .end: m_end, |
26 | .id: reinterpret_cast<quintptr>(m_function) |
27 | }; |
28 | return props; |
29 | } |
30 | |
31 | Profiler::Profiler(QV4::ExecutionEngine *engine) : featuresEnabled(0), m_engine(engine) |
32 | { |
33 | static const int metatypes[] = { |
34 | qRegisterMetaType<QVector<QV4::Profiling::FunctionCallProperties> >(), |
35 | qRegisterMetaType<QVector<QV4::Profiling::MemoryAllocationProperties> >(), |
36 | qRegisterMetaType<FunctionLocationHash>() |
37 | }; |
38 | Q_UNUSED(metatypes); |
39 | m_timer.start(); |
40 | } |
41 | |
42 | void Profiler::stopProfiling() |
43 | { |
44 | featuresEnabled = 0; |
45 | reportData(); |
46 | m_sentLocations.clear(); |
47 | } |
48 | |
49 | bool operator<(const FunctionCall &call1, const FunctionCall &call2) |
50 | { |
51 | return call1.m_start < call2.m_start || |
52 | (call1.m_start == call2.m_start && (call1.m_end < call2.m_end || |
53 | (call1.m_end == call2.m_end && call1.m_function < call2.m_function))); |
54 | } |
55 | |
56 | void Profiler::reportData() |
57 | { |
58 | std::sort(first: m_data.begin(), last: m_data.end()); |
59 | QVector<FunctionCallProperties> properties; |
60 | FunctionLocationHash locations; |
61 | properties.reserve(size: m_data.size()); |
62 | |
63 | for (const FunctionCall &call : std::as_const(t&: m_data)) { |
64 | properties.append(t: call.properties()); |
65 | Function *function = call.function(); |
66 | Q_ASSERT(function); |
67 | SentMarker &marker = m_sentLocations[reinterpret_cast<quintptr>(function)]; |
68 | if (!marker.isValid()) { |
69 | FunctionLocation &location = locations[properties.constLast().id]; |
70 | if (!location.isValid()) |
71 | location = call.resolveLocation(); |
72 | marker.setFunction(function); |
73 | } |
74 | } |
75 | |
76 | emit dataReady(locations, properties, m_memory_data); |
77 | m_data.clear(); |
78 | m_memory_data.clear(); |
79 | } |
80 | |
81 | void Profiler::startProfiling(quint64 features) |
82 | { |
83 | if (featuresEnabled == 0) { |
84 | if (features & (1 << FeatureMemoryAllocation)) { |
85 | qint64 timestamp = m_timer.nsecsElapsed(); |
86 | MemoryAllocationProperties heap = {.timestamp: timestamp, |
87 | .size: (qint64)m_engine->memoryManager->getAllocatedMem() - |
88 | (qint64)m_engine->memoryManager->getLargeItemsMem(), |
89 | .type: HeapPage}; |
90 | m_memory_data.append(t: heap); |
91 | MemoryAllocationProperties smallP = {.timestamp: timestamp, |
92 | .size: (qint64)m_engine->memoryManager->getUsedMem(), |
93 | .type: SmallItem}; |
94 | m_memory_data.append(t: smallP); |
95 | MemoryAllocationProperties large = {.timestamp: timestamp, |
96 | .size: (qint64)m_engine->memoryManager->getLargeItemsMem(), |
97 | .type: LargeItem}; |
98 | m_memory_data.append(t: large); |
99 | } |
100 | |
101 | featuresEnabled = features; |
102 | } |
103 | } |
104 | |
105 | } // namespace Profiling |
106 | } // namespace QV4 |
107 | |
108 | QT_END_NAMESPACE |
109 | |
110 | #include "moc_qv4profiling_p.cpp" |
111 | |