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add Favourites to TimeLineWidget
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this allows the user to group important timelines together so that he
can compare them better
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@lievenhey
lievenhey committed Oct 2, 2023
1 parent 6c81a69 commit 1daf271
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Showing 6 changed files with 90 additions and 5 deletions.
76 changes: 72 additions & 4 deletions src/models/eventmodel.cpp
View file
Original file line number Diff line number Diff line change
Expand Up @@ -24,17 +24,19 @@ enum class Tag : quint8
Processes,
Threads,
Tracepoints,
Favorites,
};

enum OverViewRow : quint8
{
Cpu_Row,
Process_Row,
Tracepoint_Row,
Favorite_Row,
};
constexpr auto numRows = Tracepoint_Row + 1;
constexpr auto numRows = Favorite_Row + 1;

constexpr auto LAST_TAG = Tag::Tracepoints;
constexpr auto LAST_TAG = Tag::Favorites;

const auto DATATAG_SHIFT = sizeof(Tag) * 8;
const auto DATATAG_UNSHIFT = (sizeof(quintptr) - sizeof(Tag)) * 8;
Expand Down Expand Up @@ -88,6 +90,7 @@ int EventModel::rowCount(const QModelIndex& parent) const
case Tag::Cpus:
case Tag::Threads:
case Tag::Tracepoints:
case Tag::Favorites:
return 0;
break;
case Tag::Processes:
Expand All @@ -100,6 +103,8 @@ int EventModel::rowCount(const QModelIndex& parent) const
return m_processes.size();
case OverViewRow::Tracepoint_Row:
return m_data.tracepoints.size();
case OverViewRow::Favorite_Row:
return m_favourites.size();
default:
Q_UNREACHABLE();
}
Expand Down Expand Up @@ -168,6 +173,8 @@ QVariant EventModel::data(const QModelIndex& index, int role) const
return tr("Processes");
case OverViewRow::Tracepoint_Row:
return tr("Tracepoints");
case OverViewRow::Favorite_Row:
return tr("Favorites");
}
} else if (role == Qt::ToolTipRole) {
switch (static_cast<OverViewRow>(index.row())) {
Expand All @@ -178,6 +185,8 @@ QVariant EventModel::data(const QModelIndex& index, int role) const
return tr("Event timelines for the individual threads and processes.");
case OverViewRow::Tracepoint_Row:
return tr("Event timelines for tracepoints");
case OverViewRow::Favorite_Row:
return tr("A list of favourites to group important events");
}
} else if (role == SortRole) {
return index.row();
Expand Down Expand Up @@ -245,6 +254,9 @@ QVariant EventModel::data(const QModelIndex& index, int role) const
Q_ASSERT(thread);
} else if (tag == Tag::Tracepoints) {
tracepoint = &m_data.tracepoints[index.row()];
} else if (tag == Tag::Favorites) {
const auto& favourite = m_favourites[index.row()];
return data(favourite.siblingAtColumn(index.column()), role);
}

if (role == ThreadStartRole) {
Expand All @@ -258,6 +270,9 @@ QVariant EventModel::data(const QModelIndex& index, int role) const
case Tag::Processes:
case Tag::Tracepoints:
return m_time.start;
case Tag::Favorites:
// they are handled elsewhere
Q_UNREACHABLE();
}
} else if (role == ThreadEndRole) {
switch (tag) {
Expand All @@ -270,6 +285,9 @@ QVariant EventModel::data(const QModelIndex& index, int role) const
case Tag::Processes:
case Tag::Tracepoints:
return m_time.end;
case Tag::Favorites:
// they are handled elsewhere
Q_UNREACHABLE();
}
} else if (role == ThreadNameRole) {
switch (tag) {
Expand All @@ -283,6 +301,9 @@ QVariant EventModel::data(const QModelIndex& index, int role) const
case Tag::Processes:
case Tag::Tracepoints:
return {};
case Tag::Favorites:
// they are handled elsewhere
Q_UNREACHABLE();
}
} else if (role == ThreadIdRole) {
switch (tag) {
Expand All @@ -295,6 +316,9 @@ QVariant EventModel::data(const QModelIndex& index, int role) const
case Tag::Processes:
case Tag::Tracepoints:
return Data::INVALID_TID;
case Tag::Favorites:
// they are handled elsewhere
Q_UNREACHABLE();
}
} else if (role == ProcessIdRole) {
switch (tag) {
Expand All @@ -307,6 +331,9 @@ QVariant EventModel::data(const QModelIndex& index, int role) const
case Tag::Processes:
case Tag::Tracepoints:
return Data::INVALID_PID;
case Tag::Favorites:
// they are handled elsewhere
Q_UNREACHABLE();
}
} else if (role == CpuIdRole) {
switch (tag) {
Expand All @@ -319,6 +346,9 @@ QVariant EventModel::data(const QModelIndex& index, int role) const
case Tag::Threads:
case Tag::Tracepoints:
return Data::INVALID_CPU_ID;
case Tag::Favorites:
// they are handled elsewhere
Q_UNREACHABLE();
}
} else if (role == EventsRole) {
switch (tag) {
Expand All @@ -333,6 +363,9 @@ QVariant EventModel::data(const QModelIndex& index, int role) const
case Tag::Overview:
case Tag::Processes:
return QVariant::fromValue(Data::Events());
case Tag::Favorites:
// they are handled elsewhere
Q_UNREACHABLE();
}
} else if (role == SortRole) {
if (index.column() == ThreadColumn) {
Expand All @@ -348,6 +381,9 @@ QVariant EventModel::data(const QModelIndex& index, int role) const
case Tag::Overview:
case Tag::Processes:
return {};
case Tag::Favorites:
// they are handled elsewhere
Q_UNREACHABLE();
}
} else {
switch (tag) {
Expand All @@ -362,6 +398,9 @@ QVariant EventModel::data(const QModelIndex& index, int role) const
case Tag::Overview:
case Tag::Processes:
return {};
case Tag::Favorites:
// they are handled elsewhere
Q_UNREACHABLE();
}
}
}
Expand All @@ -381,6 +420,9 @@ QVariant EventModel::data(const QModelIndex& index, int role) const
case Tag::Overview:
case Tag::Processes:
return {};
case Tag::Favorites:
// they are handled elsewhere
Q_UNREACHABLE();
}
} else if (role == Qt::ToolTipRole) {
QString tooltip;
Expand Down Expand Up @@ -421,6 +463,9 @@ QVariant EventModel::data(const QModelIndex& index, int role) const
case Tag::Overview:
case Tag::Processes:
break;
case Tag::Favorites:
// they are handled elsewhere
Q_UNREACHABLE();
}

tooltip += tr("Number of Events: %1 (%2% of the total)")
Expand All @@ -442,6 +487,9 @@ QVariant EventModel::data(const QModelIndex& index, int role) const
case Tag::Overview:
case Tag::Processes:
return {};
case Tag::Favorites:
// they are handled elsewhere
Q_UNREACHABLE();
}
}
break;
Expand All @@ -456,6 +504,8 @@ QVariant EventModel::data(const QModelIndex& index, int role) const
void EventModel::setData(const Data::EventResults& data)
{
beginResetModel();
m_favourites.clear();

m_data = data;
m_totalEvents = 0;
m_maxCost = 0;
Expand Down Expand Up @@ -516,6 +566,7 @@ QModelIndex EventModel::index(int row, int column, const QModelIndex& parent) co
case Tag::Cpus:
case Tag::Tracepoints:
case Tag::Threads:
case Tag::Favorites:
break;
case Tag::Root: // root has the 1st level children: Overview
return createIndex(row, column, static_cast<quintptr>(Tag::Overview));
Expand All @@ -527,6 +578,8 @@ QModelIndex EventModel::index(int row, int column, const QModelIndex& parent) co
return createIndex(row, column, static_cast<quintptr>(Tag::Processes));
case OverViewRow::Tracepoint_Row:
return createIndex(row, column, static_cast<quintptr>(Tag::Tracepoints));
case OverViewRow::Favorite_Row:
return createIndex(row, column, static_cast<quintptr>(Tag::Favorites));
}
Q_UNREACHABLE();
case Tag::Processes: // 3rd level children: Threads
Expand All @@ -549,11 +602,26 @@ QModelIndex EventModel::parent(const QModelIndex& child) const
return createIndex(OverViewRow::Process_Row, 0, static_cast<quintptr>(Tag::Overview));
case Tag::Tracepoints:
return createIndex(OverViewRow::Tracepoint_Row, 0, static_cast<qintptr>(Tag::Overview));
case Tag::Threads: {
case Tag::Favorites:
return createIndex(OverViewRow::Favorite_Row, 0, static_cast<qintptr>(Tag::Overview));
case Tag::Threads:
const auto parentRow = tagData(child.internalId());
return createIndex(parentRow, 0, static_cast<quintptr>(Tag::Processes));
}
}

return {};
}

void EventModel::addToFavorites(const QModelIndex& index)
{
Q_ASSERT(index.model() == this);

if (m_favourites.contains(index)) {
return;
}

const int position = m_favourites.size();
beginInsertRows(createIndex(Favorite_Row, 0, static_cast<quintptr>(Tag::Overview)), position, position);
m_favourites.push_back(index);
endInsertRows();
}
4 changes: 4 additions & 0 deletions src/models/eventmodel.h
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Original file line number Diff line number Diff line change
Expand Up @@ -71,9 +71,13 @@ class EventModel : public QAbstractItemModel
QString name;
};

public:
void addToFavorites(const QModelIndex& index);

private:
Data::EventResults m_data;
QVector<Process> m_processes;
QVector<QModelIndex> m_favourites;
Data::TimeRange m_time;
quint64 m_totalOnCpuTime = 0;
quint64 m_totalOffCpuTime = 0;
Expand Down
9 changes: 9 additions & 0 deletions src/models/timelinedelegate.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
#include <QHelpEvent>
#include <QMenu>
#include <QPainter>
#include <QSortFilterProxyModel>
#include <QToolTip>

#include "../util.h"
Expand Down Expand Up @@ -459,6 +460,14 @@ bool TimeLineDelegate::eventFilter(QObject* watched, QEvent* event)
const auto isMainThread = threadStartTime == minTime && threadEndTime == maxTime;
const auto cpuId = index.data(EventModel::CpuIdRole).value<quint32>();
const auto numCpus = index.data(EventModel::NumCpusRole).value<uint>();

contextMenu->addAction(QIcon::fromTheme(QStringLiteral("favorite")), tr("Add to favorites"), this,
[this, index] {
auto model = qobject_cast<const QSortFilterProxyModel*>(index.model());
Q_ASSERT(model);
emit addToFavorites(model->mapToSource(index));
});

if (isTimeSpanSelected && (minTime != timeSlice.start || maxTime != timeSlice.end)) {
contextMenu->addAction(QIcon::fromTheme(QStringLiteral("zoom-in")), tr("Zoom In On Selection"), this,
[this, timeSlice]() { m_filterAndZoomStack->zoomIn(timeSlice); });
Expand Down
1 change: 1 addition & 0 deletions src/models/timelinedelegate.h
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Original file line number Diff line number Diff line change
Expand Up @@ -64,6 +64,7 @@ class TimeLineDelegate : public QStyledItemDelegate

signals:
void stacksHovered(const QSet<qint32>& stacks);
void addToFavorites(const QModelIndex& index);

protected:
bool eventFilter(QObject* watched, QEvent* event) override;
Expand Down
3 changes: 3 additions & 0 deletions src/timelinewidget.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -110,6 +110,9 @@ TimeLineWidget::TimeLineWidget(PerfParser* parser, QMenu* filterMenu, FilterAndZ
m_timeLineDelegate->setEventType(typeId);
});

connect(m_timeLineDelegate, &TimeLineDelegate::addToFavorites, this,
[eventModel](const QModelIndex& index) { eventModel->addToFavorites(index); });

connect(m_timeLineDelegate, &TimeLineDelegate::stacksHovered, this, [this](const QSet<qint32>& stackIds) {
if (stackIds.isEmpty()) {
++m_currentHoverStacksJobId;
Expand Down
2 changes: 1 addition & 1 deletion tests/modeltests/tst_models.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -537,7 +537,7 @@ private slots:
model.setData(events);

QCOMPARE(model.columnCount(), static_cast<int>(EventModel::NUM_COLUMNS));
QCOMPARE(model.rowCount(), 2);
QCOMPARE(model.rowCount(), 4);

auto simplifiedEvents = events;
simplifiedEvents.cpus.remove(1);
Expand Down

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