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/****************************************************************************
**
** Copyright (C) 2019 Klarälvdalens Datakonsult AB, a KDAB Group company,
** info@kdab.com, author Tim Henning <tim.henning@kdab.com>
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "ctfstatisticsmodel.h"
#include "ctfvisualizerconstants.h"
#include <tracing/timelineformattime.h>
namespace CtfVisualizer {
namespace Internal {
using json = nlohmann::json;
using namespace Constants;
CtfStatisticsModel::CtfStatisticsModel(QObject *parent)
: QAbstractTableModel(parent)
{
}
void CtfStatisticsModel::beginLoading()
{
beginResetModel();
m_data.clear();
}
void CtfStatisticsModel::addEvent(const QString &title, qint64 durationInNs)
{
EventData &data = m_data[title];
++data.count;
if (durationInNs >= 0) {
data.totalDuration += durationInNs;
data.minDuration = std::min(data.minDuration, durationInNs);
data.maxDuration = std::max(data.maxDuration, durationInNs);
}
}
void CtfStatisticsModel::setMeasurementDuration(qint64 timeInNs)
{
m_measurementDurationInNs = timeInNs;
}
void CtfStatisticsModel::endLoading()
{
endResetModel();
}
int CtfStatisticsModel::rowCount(const QModelIndex &parent) const
{
return parent.isValid() ? 0 : m_data.size();
}
int CtfStatisticsModel::columnCount(const QModelIndex &parent) const
{
return parent.isValid() ? 0 : Column::COUNT;
}
QVariant CtfStatisticsModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid())
return QVariant();
auto it = m_data.cbegin();
std::advance(it, index.row());
const QString &title = it.key();
switch (role) {
case Qt::TextAlignmentRole:
switch (index.column()) {
case Column::Title:
return Qt::AlignLeft;
case Column::Count:
case Column::TotalDuration:
case Column::RelativeDuration:
case Column::MinDuration:
case Column::AvgDuration:
case Column::MaxDuration:
return Qt::AlignRight;
default:
Q_UNREACHABLE();
return QVariant();
}
case SortRole:
switch (index.column()) {
case Column::Title:
return title;
case Column::Count:
return m_data.value(title).count;
case Column::TotalDuration:
return m_data.value(title).totalDuration;
case Column::RelativeDuration:
return m_data.value(title).totalDuration;
case Column::MinDuration:
{
auto minDuration = m_data.value(title).minDuration;
return minDuration != std::numeric_limits<qint64>::max() ? minDuration : 0;
}
case Column::AvgDuration:
{
auto data = m_data.value(title);
if (data.totalDuration > 0 && data.count > 0)
return double(data.totalDuration) / data.count;
return 0;
}
case Column::MaxDuration:
return m_data.value(title).maxDuration;
default:
return QVariant();
}
case Qt::DisplayRole:
switch (index.column()) {
case Column::Title:
return title;
case Column::Count:
return m_data.value(title).count;
case Column::TotalDuration:
{
auto totalDuration = m_data.value(title).totalDuration;
if (totalDuration > 0)
return Timeline::formatTime(totalDuration);
else
return "-";
}
case Column::RelativeDuration:
{
auto totalDuration = m_data.value(title).totalDuration;
if (m_measurementDurationInNs > 0 && totalDuration > 0) {
const double percent = (totalDuration / double(m_measurementDurationInNs)) * 100;
return QString("%1 %").arg(percent, 0, 'f', 2);
} else {
return "-";
}
}
case Column::MinDuration:
{
auto minDuration = m_data.value(title).minDuration;
if (minDuration != std::numeric_limits<qint64>::max())
return Timeline::formatTime(minDuration);
else
return "-";
}
case Column::AvgDuration:
{
auto data = m_data.value(title);
if (data.totalDuration > 0 && data.count > 0)
return Timeline::formatTime(data.totalDuration / data.count);
return "-";
}
case Column::MaxDuration:
{
auto maxDuration = m_data.value(title).maxDuration;
if (maxDuration > 0)
return Timeline::formatTime(maxDuration);
else
return "-";
}
}
}
return QVariant();
}
QVariant CtfStatisticsModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (role != Qt::DisplayRole || orientation != Qt::Horizontal)
return QAbstractTableModel::headerData(section, orientation, role);
switch (section) {
case Column::Title:
return tr("Title");
case Column::Count:
return tr("Count");
case Column::TotalDuration:
return tr("Total Time");
case Column::RelativeDuration:
return tr("Percentage");
case Column::MinDuration:
return tr("Minimum Time");
case Column::AvgDuration:
return tr("Average Time");
case Column::MaxDuration:
return tr("Maximum Time");
default:
return "";
}
}
} // Internal
} // CtfVisualizer
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