QmlProfiler: Store statistics data in a saner way

We don't need to retain the durations after finalize(), and we can use
vectors instead of hashes, as we will cover almost all types anyway.

Vectors allow us to potentially use the position of an item in the data
as its row.

Change-Id: I2c09406f0e0a42f5f517f8444755b1664efb8f3b
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
This commit is contained in:
Ulf Hermann
2018-03-23 10:56:31 +01:00
parent 5784fce244
commit 87c12c4e1b
4 changed files with 134 additions and 89 deletions

View File

@@ -418,13 +418,13 @@ void QmlProfilerStatisticsMainView::buildModel()
void QmlProfilerStatisticsMainView::updateNotes(int typeIndex)
{
const QHash<int, QmlProfilerStatisticsModel::QmlEventStats> &eventList = m_model->getData();
const QVector<QmlProfilerStatisticsModel::QmlEventStats> &eventList = m_model->getData();
const QHash<int, QString> &noteList = m_model->getNotes();
QStandardItem *rootItem = m_standardItemModel->invisibleRootItem();
for (int rowIndex = 0; rowIndex < rootItem->rowCount(); ++rowIndex) {
int rowType = rootItem->child(rowIndex)->data(TypeIdRole).toInt();
if (rowType != typeIndex && typeIndex != -1)
if (rowType == -1 || (rowType != typeIndex && typeIndex != -1))
continue;
const QmlProfilerStatisticsModel::QmlEventStats &stats = eventList[rowType];
@@ -434,10 +434,10 @@ void QmlProfilerStatisticsMainView::updateNotes(int typeIndex)
if (it != noteList.end()) {
item->setBackground(colors()->noteBackground);
item->setToolTip(it.value());
} else if (stats.durationRecursive > 0) {
} else if (stats.recursive > 0) {
item->setBackground(colors()->noteBackground);
item->setToolTip(tr("+%1 in recursive calls")
.arg(Timeline::formatTime(stats.durationRecursive)));
.arg(Timeline::formatTime(stats.recursive)));
} else if (!item->toolTip().isEmpty()){
item->setBackground(colors()->defaultBackground);
item->setToolTip(QString());
@@ -468,14 +468,21 @@ QStringList QmlProfilerStatisticsMainView::details(int typeId) const
void QmlProfilerStatisticsMainView::parseModel()
{
const QHash<int, QmlProfilerStatisticsModel::QmlEventStats> &eventList = m_model->getData();
const QVector<QmlProfilerStatisticsModel::QmlEventStats> &eventList = m_model->getData();
const QVector<QmlEventType> &typeList = m_model->getTypes();
QHash<int, QmlProfilerStatisticsModel::QmlEventStats>::ConstIterator it;
for (it = eventList.constBegin(); it != eventList.constEnd(); ++it) {
int typeIndex = it.key();
const QmlProfilerStatisticsModel::QmlEventStats &stats = it.value();
const QmlEventType &type = (typeIndex != -1 ? typeList[typeIndex] : *rootEventType());
QmlProfilerStatisticsModel::QmlEventStats rootEventStats;
rootEventStats.total = rootEventStats.maximum = rootEventStats.minimum = rootEventStats.median
= m_model->rootDuration();
rootEventStats.calls = rootEventStats.total > 0 ? 1 : 0;
for (int typeIndex = -1; typeIndex < eventList.size(); ++typeIndex) {
const QmlProfilerStatisticsModel::QmlEventStats &stats = typeIndex >= 0
? eventList[typeIndex] : rootEventStats;
if (stats.calls == 0)
continue;
const QmlEventType &type = typeIndex >= 0 ? typeList[typeIndex] : *rootEventType();
QStandardItem *rootItem = m_standardItemModel->invisibleRootItem();
QList<QStandardItem *> newRow;
@@ -491,30 +498,30 @@ void QmlProfilerStatisticsMainView::parseModel()
+ QLatin1String(" %"), percent);
newRow << new StatisticsViewItem(
Timeline::formatTime(stats.duration - stats.durationRecursive),
stats.duration - stats.durationRecursive);
Timeline::formatTime(stats.totalNonRecursive()),
stats.totalNonRecursive());
const double percentSelf = m_model->durationSelfPercent(typeIndex);
newRow << new StatisticsViewItem(QString::number(percentSelf, 'f', 2)
+ QLatin1String(" %"), percentSelf);
newRow << new StatisticsViewItem(Timeline::formatTime(stats.durationSelf),
stats.durationSelf);
newRow << new StatisticsViewItem(Timeline::formatTime(stats.self),
stats.self);
newRow << new StatisticsViewItem(QString::number(stats.calls), stats.calls);
const qint64 timePerCall = stats.calls > 0 ? stats.duration / stats.calls : 0;
const qint64 timePerCall = stats.average();
newRow << new StatisticsViewItem(Timeline::formatTime(timePerCall),
timePerCall);
newRow << new StatisticsViewItem(Timeline::formatTime(stats.medianTime),
stats.medianTime);
newRow << new StatisticsViewItem(Timeline::formatTime(stats.median),
stats.median);
newRow << new StatisticsViewItem(Timeline::formatTime(stats.maxTime),
stats.maxTime);
newRow << new StatisticsViewItem(Timeline::formatTime(stats.maximum),
stats.maximum);
newRow << new StatisticsViewItem(Timeline::formatTime(stats.minTime),
stats.minTime);
newRow << new StatisticsViewItem(Timeline::formatTime(stats.minimum),
stats.minimum);
newRow << new StatisticsViewItem(type.data().isEmpty() ? tr("Source code not available")
: type.data(), type.data());
@@ -682,7 +689,7 @@ void QmlProfilerStatisticsRelativesView::displayType(int typeIndex)
}
void QmlProfilerStatisticsRelativesView::rebuildTree(
const QmlProfilerStatisticsRelativesModel::QmlStatisticsRelativesMap &map)
const QVector<QmlProfilerStatisticsRelativesModel::QmlStatisticsRelativesData> &data)
{
Q_ASSERT(treeModel());
treeModel()->clear();
@@ -690,11 +697,10 @@ void QmlProfilerStatisticsRelativesView::rebuildTree(
QStandardItem *topLevelItem = treeModel()->invisibleRootItem();
const QVector<QmlEventType> &typeList = m_model->getTypes();
QmlProfilerStatisticsRelativesModel::QmlStatisticsRelativesMap::const_iterator it;
for (it = map.constBegin(); it != map.constEnd(); ++it) {
const QmlProfilerStatisticsRelativesModel::QmlStatisticsRelativesData &stats = it.value();
int typeIndex = it.key();
const QmlEventType &type = (typeIndex != -1 ? typeList[typeIndex] : *rootEventType());
for (auto it = data.constBegin(); it != data.constEnd(); ++it) {
const QmlProfilerStatisticsRelativesModel::QmlStatisticsRelativesData &stats = *it;
const QmlEventType &type = stats.typeIndex != -1 ? typeList[stats.typeIndex]
: *rootEventType();
QList<QStandardItem *> newRow;
// ToDo: here we were going to search for the data in the other model
@@ -712,7 +718,7 @@ void QmlProfilerStatisticsRelativesView::rebuildTree(
type.data(), type.data());
QStandardItem *first = newRow.at(RelativeLocation);
first->setData(typeIndex, TypeIdRole);
first->setData(stats.typeIndex, TypeIdRole);
const QmlEventLocation location(type.location());
first->setData(location.filename(), FilenameRole);
first->setData(location.line(), LineRole);