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39 | |
40 | #include "qv4profiling_p.h" |
41 | #include <private/qv4mm_p.h> |
42 | #include <private/qv4string_p.h> |
43 | |
44 | QT_BEGIN_NAMESPACE |
45 | |
46 | namespace QV4 { |
47 | namespace Profiling { |
48 | |
49 | FunctionLocation FunctionCall::resolveLocation() const |
50 | { |
51 | return FunctionLocation(m_function->name()->toQString(), |
52 | m_function->executableCompilationUnit()->fileName(), |
53 | m_function->compiledFunction->location.line, |
54 | m_function->compiledFunction->location.column); |
55 | } |
56 | |
57 | FunctionCallProperties FunctionCall::properties() const |
58 | { |
59 | FunctionCallProperties props = { |
60 | .start: m_start, |
61 | .end: m_end, |
62 | .id: reinterpret_cast<quintptr>(m_function) |
63 | }; |
64 | return props; |
65 | } |
66 | |
67 | Profiler::Profiler(QV4::ExecutionEngine *engine) : featuresEnabled(0), m_engine(engine) |
68 | { |
69 | static const int metatypes[] = { |
70 | qRegisterMetaType<QVector<QV4::Profiling::FunctionCallProperties> >(), |
71 | qRegisterMetaType<QVector<QV4::Profiling::MemoryAllocationProperties> >(), |
72 | qRegisterMetaType<FunctionLocationHash>() |
73 | }; |
74 | Q_UNUSED(metatypes); |
75 | m_timer.start(); |
76 | } |
77 | |
78 | void Profiler::stopProfiling() |
79 | { |
80 | featuresEnabled = 0; |
81 | reportData(); |
82 | m_sentLocations.clear(); |
83 | } |
84 | |
85 | bool operator<(const FunctionCall &call1, const FunctionCall &call2) |
86 | { |
87 | return call1.m_start < call2.m_start || |
88 | (call1.m_start == call2.m_start && (call1.m_end < call2.m_end || |
89 | (call1.m_end == call2.m_end && call1.m_function < call2.m_function))); |
90 | } |
91 | |
92 | void Profiler::reportData() |
93 | { |
94 | std::sort(first: m_data.begin(), last: m_data.end()); |
95 | QVector<FunctionCallProperties> properties; |
96 | FunctionLocationHash locations; |
97 | properties.reserve(size: m_data.size()); |
98 | |
99 | for (const FunctionCall &call : qAsConst(t&: m_data)) { |
100 | properties.append(t: call.properties()); |
101 | Function *function = call.function(); |
102 | SentMarker &marker = m_sentLocations[reinterpret_cast<quintptr>(function)]; |
103 | if (!marker.isValid()) { |
104 | FunctionLocation &location = locations[properties.constLast().id]; |
105 | if (!location.isValid()) |
106 | location = call.resolveLocation(); |
107 | marker.setFunction(function); |
108 | } |
109 | } |
110 | |
111 | emit dataReady(locations, properties, m_memory_data); |
112 | m_data.clear(); |
113 | m_memory_data.clear(); |
114 | } |
115 | |
116 | void Profiler::startProfiling(quint64 features) |
117 | { |
118 | if (featuresEnabled == 0) { |
119 | if (features & (1 << FeatureMemoryAllocation)) { |
120 | qint64 timestamp = m_timer.nsecsElapsed(); |
121 | MemoryAllocationProperties heap = {.timestamp: timestamp, |
122 | .size: (qint64)m_engine->memoryManager->getAllocatedMem() - |
123 | (qint64)m_engine->memoryManager->getLargeItemsMem(), |
124 | .type: HeapPage}; |
125 | m_memory_data.append(t: heap); |
126 | MemoryAllocationProperties small = {.timestamp: timestamp, |
127 | .size: (qint64)m_engine->memoryManager->getUsedMem(), |
128 | .type: SmallItem}; |
129 | m_memory_data.append(t: small); |
130 | MemoryAllocationProperties large = {.timestamp: timestamp, |
131 | .size: (qint64)m_engine->memoryManager->getLargeItemsMem(), |
132 | .type: LargeItem}; |
133 | m_memory_data.append(t: large); |
134 | } |
135 | |
136 | featuresEnabled = features; |
137 | } |
138 | } |
139 | |
140 | } // namespace Profiling |
141 | } // namespace QV4 |
142 | |
143 | QT_END_NAMESPACE |
144 | |
145 | #include "moc_qv4profiling_p.cpp" |
146 | |