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QmlProfiler: Support server generated event type IDs

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This way we only have to transmit the location and data events once per
type, not once per event.

Change-Id: Ic6ab9619824764fc8b3abf09c7b58200eda2a198
Reviewed-by: Milian Wolff <milian.wolff@kdab.com>
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
This commit is contained in:
Ulf Hermann
2016-05-24 10:05:25 +02:00
parent 0924ee5efb
commit 94fc57c005
3 changed files with 41 additions and 17 deletions
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37
src/plugins/qmlprofiler/qmlprofilertraceclient.cpp
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@@ -71,7 +71,7 @@ public:
void sendRecordingStatus(int engineId);
bool updateFeatures(ProfileFeature feature);
int resolveType(const QmlEventType &type);
int resolveType(const QmlTypedEvent &type);
int resolveStackTop();
void processCurrentEvent();
@@ -88,19 +88,31 @@ public:
// Reuse the same event, so that we don't have to constantly reallocate all the data.
QmlTypedEvent currentEvent;
QHash<QmlEventType, int> eventTypeIds;
QHash<qint64, int> serverTypeIds;
QStack<QmlTypedEvent> rangesInProgress;
};
int QmlProfilerTraceClientPrivate::resolveType(const QmlEventType &type)
int QmlProfilerTraceClientPrivate::resolveType(const QmlTypedEvent &event)
{
QHash<QmlEventType, int>::ConstIterator it = eventTypeIds.constFind(type);
int typeIndex = -1;
if (it != eventTypeIds.constEnd()) {
typeIndex = it.value();
if (event.serverTypeId != 0) {
QHash<qint64, int>::ConstIterator it = serverTypeIds.constFind(event.serverTypeId);
if (it != serverTypeIds.constEnd()) {
typeIndex = it.value();
} else {
typeIndex = model->addEventType(event.type);
serverTypeIds[event.serverTypeId] = typeIndex;
}
} else {
typeIndex = model->addEventType(type);
eventTypeIds[type] = typeIndex;
QHash<QmlEventType, int>::ConstIterator it = eventTypeIds.constFind(event.type);
if (it != eventTypeIds.constEnd()) {
typeIndex = it.value();
} else {
typeIndex = model->addEventType(event.type);
eventTypeIds[event.type] = typeIndex;
}
}
return typeIndex;
}
@@ -115,7 +127,7 @@ int QmlProfilerTraceClientPrivate::resolveStackTop()
if (typeIndex >= 0)
return typeIndex;
typeIndex = resolveType(typedEvent.type);
typeIndex = resolveType(typedEvent);
typedEvent.event.setTypeIndex(typeIndex);
model->addEvent(typedEvent.event);
return typeIndex;
@@ -149,7 +161,7 @@ void QmlProfilerTraceClientPrivate::processCurrentEvent()
rangesInProgress.top().type.location = currentEvent.type.location;
break;
default: {
int typeIndex = resolveType(currentEvent.type);
int typeIndex = resolveType(currentEvent);
currentEvent.event.setTypeIndex(typeIndex);
model->addEvent(currentEvent.event);
break;
@@ -161,8 +173,10 @@ void QmlProfilerTraceClientPrivate::sendRecordingStatus(int engineId)
{
QmlDebug::QPacket stream(q->connection()->currentDataStreamVersion());
stream << recording << engineId; // engineId -1 is OK. It means "all of them"
if (recording)
if (recording) {
stream << requestedFeatures << flushInterval;
stream << true; // yes, we support type IDs
}
q->sendMessage(stream.data());
}
@@ -246,6 +260,7 @@ void QmlProfilerTraceClient::setRequestedFeatures(quint64 features)
d->currentEvent.type.message = DebugMessage;
d->currentEvent.type.rangeType = MaximumRangeType;
d->currentEvent.type.detailType = type;
d->currentEvent.serverTypeId = 0;
d->processCurrentEvent();
});
} else {