File indexing completed on 2024-04-21 04:36:00

 /* This file is part of KDevelop
  * Copyright 2011 Mathieu Lornac <mathieu.lornac@gmail.com>
  * Copyright 2011 Damien Coppel <damien.coppel@gmail.com>
  * Copyright 2011 Lionel Duc <lionel.data@gmail.com>
  * Copyright 2011 Lucas Sarie <lucas.sarie@gmail.com>
  * Copyright 2017 Anton Anikin <anton@anikin.xyz>
 
  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public
  License as published by the Free Software Foundation; either
  version 2 of the License, or (at your option) any later version.
 
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with this program; see the file COPYING.  If not, write to
  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  Boston, MA 02110-1301, USA.
 */
 
 #include "callgrind_model.h"
 
 #include "debug.h"
 #include "utils.h"
 
 #include <qtcompat_p.h>
 
 #include <KLocalizedString>
 
 #include <QItemSelectionModel>
 
 namespace Valgrind
 {
 
 void addValues(const QStringList& stringValues, QVector<int>& intValues)
 {
     for (int i = 0; i < stringValues.size(); ++i) {
         intValues[i] += stringValues[i].toInt();
     }
 }
 
 CallgrindCallInformation::CallgrindCallInformation(const QStringList& stringValues)
 {
     Q_ASSERT(!stringValues.isEmpty());
 
     m_eventValues.resize(stringValues.size());
     addValues(stringValues, m_eventValues);
 }
 
 int CallgrindCallInformation::eventValue(int type)
 {
     Q_ASSERT(type < m_eventValues.size());
     return m_eventValues[type];
 }
 
 CallgrindFunction::CallgrindFunction(int eventsCount)
 {
     m_eventValues.resize(eventsCount);
 }
 
 int CallgrindFunction::callCount()
 {
     int count = 0;
     for (auto info : qAsConst(callersInformation)) {
         count += info->callCount;
     }
     return count;
 }
 
 int CallgrindFunction::eventValue(int type, bool inclusive)
 {
     Q_ASSERT(type < m_eventValues.size());
 
     int value = m_eventValues[type];
     if (!inclusive) {
         return value;
     }
 
     if (callersInformation.isEmpty()) {
         // The function is NOT CALLED by others, therefore we calc
         // the event inclusive value as sum of self value and all callees.
         for (auto info : qAsConst(calleesInformation)) {
             value += info->eventValue(type);
         }
         return value;
     }
 
     // The function is CALLED by others, therefore we calc
     // the event inclusive value as sum of all callers.
     value = 0;
     for (auto info : qAsConst(callersInformation)) {
         value += info->eventValue(type);
     }
 
     return value;
 }
 
 void CallgrindFunction::addEventValues(const QStringList& stringValues)
 {
     Q_ASSERT(stringValues.size() == m_eventValues.size());
     addValues(stringValues, m_eventValues);
 }
 
 CallgrindFunctionsModel::CallgrindFunctionsModel()
     : m_currentEventType(0)
     , m_percentageValues(false)
 {
 }
 
 CallgrindFunctionsModel::~CallgrindFunctionsModel()
 {
     qDeleteAll(m_functions);
     qDeleteAll(m_information);
 }
 
 const QStringList & CallgrindFunctionsModel::eventTypes()
 {
     return m_eventTypes;
 }
 
 void CallgrindFunctionsModel::setEventTypes(const QStringList& eventTypes)
 {
     Q_ASSERT(!eventTypes.isEmpty());
     m_eventTypes = eventTypes;
     m_eventTotals.resize(m_eventTypes.size());
 }
 
 void CallgrindFunctionsModel::setEventTotals(const QStringList& stringValues)
 {
     Q_ASSERT(stringValues.size() == m_eventTotals.size());
     addValues(stringValues, m_eventTotals);
 }
 
 int CallgrindFunctionsModel::currentEventType()
 {
     return m_currentEventType;
 }
 
 void CallgrindFunctionsModel::setCurrentEventType(int type)
 {
     Q_ASSERT(type < m_eventTotals.size());
 
     m_currentEventType = type;
     emitDataChanged(this);
 }
 
 void CallgrindFunctionsModel::setPercentageValues(bool value)
 {
     m_percentageValues = value;
     emitDataChanged(this);
 }
 
 CallgrindFunction* CallgrindFunctionsModel::addFunction(
     const QString& name,
     const QString& sourceFile,
     const QString& binaryFile)
 {
     Q_ASSERT(!name.isEmpty());
     Q_ASSERT(!m_eventTypes.isEmpty());
 
     CallgrindFunction* function = nullptr;
 
     for (auto currentFunction : qAsConst(m_functions)) {
         if (currentFunction->name == name && (currentFunction->binaryFile.isEmpty() ||
                                               binaryFile.isEmpty() ||
                                               currentFunction->binaryFile == binaryFile)) {
             function = currentFunction;
             break;
         }
     }
 
     if (function) {
         if (function->binaryFile.isEmpty()) {
             function->binaryFile = binaryFile;
         }
 
         function->sourceFiles += sourceFile;
         function->sourceFiles.removeDuplicates();
         function->sourceFiles.sort();
     }
 
     else {
         function = new CallgrindFunction(m_eventTypes.size());
 
         function->name = name;
         function->binaryFile = binaryFile;
         function->sourceFiles += sourceFile;
 
         m_functions.append(function);
     }
 
     return function;
 }
 
 void CallgrindFunctionsModel::addCall(
     CallgrindFunction* caller,
     CallgrindFunction* callee,
     int callCount,
     const QStringList& eventValues)
 {
     Q_ASSERT(caller);
     Q_ASSERT(callee);
 
     auto info = new CallgrindCallInformation(eventValues);
     m_information.append(info);
 
     info->caller = caller;
     info->callee = callee;
     info->callCount = callCount;
 
     caller->calleesInformation.append(info);
     callee->callersInformation.append(info);
 }
 
 QModelIndex CallgrindFunctionsModel::index(int row, int column, const QModelIndex&) const
 {
     if (hasIndex(row, column)) {
         return createIndex(row, column, m_functions.at(row));
     }
 
     return QModelIndex();
 }
 
 int CallgrindFunctionsModel::rowCount(const QModelIndex&) const
 {
     return m_functions.size();
 }
 
 int CallgrindFunctionsModel::columnCount(const QModelIndex&) const
 {
     return 4;
 }
 
 QString CallgrindFunctionsModel::displayValue(int eventIntValue, int eventType) const
 {
     if (m_percentageValues) {
         return Valgrind::displayValue(eventIntValue * 100.0 / m_eventTotals[eventType]);
     }
 
     return Valgrind::displayValue(eventIntValue);
 }
 
 
 QVariant CallgrindFunctionsModel::data(const QModelIndex& index, int role) const
 {
     if (!index.isValid()) {
         return QVariant();
     }
 
     auto function = static_cast<CallgrindFunction*>(index.internalPointer());
 
     if (role == Qt::TextAlignmentRole && index.column() < 3) {
         return rightAlign;
     }
 
     if (index.column() < 2) {
         int intValue = function->eventValue(m_currentEventType, (index.column() == 0));
 
         if (role == SortRole) {
             return intValue;
         }
 
         if (role == Qt::DisplayRole) {
             return displayValue(intValue, m_currentEventType);
         }
     }
 
     if (index.column() == 2 && (role == Qt::DisplayRole || role == SortRole)) {
         return function->callCount();
     }
 
     if (index.column() == 3 && (role == Qt::DisplayRole || role == SortRole)) {
         return function->name;
     }
 
     return QVariant();
 }
 
 QVariant CallgrindFunctionsModel::headerData(int section, Qt::Orientation, int role) const
 {
     if (role == Qt::DisplayRole) {
         switch (section) {
             case 0: return i18n("Incl.");
             case 1: return i18n("Self");
             case 2: return i18n("Called");
             case 3: return i18n("Function");
         }
     }
 
     return QVariant();
 }
 
 CallgrindFunctionEventsModel::CallgrindFunctionEventsModel(CallgrindFunctionsModel* baseModel)
     : QAbstractTableModel(baseModel)
     , m_baseModel(baseModel)
     , m_function(nullptr)
 {
     Q_ASSERT(m_baseModel);
 
     connect(m_baseModel, &CallgrindFunctionsModel::dataChanged,
             this, [this](const QModelIndex&, const QModelIndex&, const QVector<int>&) {
         emitDataChanged(this);
     });
 }
 
 void CallgrindFunctionEventsModel::setFunction(CallgrindFunction* function)
 {
     m_function = function;
     emitDataChanged(this);
 }
 
 QModelIndex CallgrindFunctionEventsModel::index(int row, int column, const QModelIndex&) const
 {
     if (hasIndex(row, column)) {
         return createIndex(row, column);
     }
 
     return QModelIndex();
 }
 
 int CallgrindFunctionEventsModel::rowCount(const QModelIndex&) const
 {
     return m_baseModel->eventTypes().size();
 }
 
 int CallgrindFunctionEventsModel::columnCount(const QModelIndex&) const
 {
     return 4;
 }
 
 QVariant CallgrindFunctionEventsModel::data(const QModelIndex& index, int role) const
 {
     if (!index.isValid()) {
         return QVariant();
     }
 
     int row = index.row();
     int column = index.column();
 
     if (column == 0 && role == Qt::DisplayRole) {
         return eventFullName(m_baseModel->eventTypes().at(row));
     }
 
     if (column == 3 && role == Qt::DisplayRole) {
         return m_baseModel->eventTypes().at(row);
     }
 
     if (m_function && (column == 1 || column == 2)) {
         if (role == Qt::TextAlignmentRole) {
             return rightAlign;
         }
 
         int intValue = m_function->eventValue(row, (column == 1));
 
         if (role == SortRole) {
             return intValue;
         }
 
         if (role == Qt::DisplayRole) {
             return m_baseModel->displayValue(intValue, row);
         }
     }
 
     return QVariant();
 }
 
 QVariant CallgrindFunctionEventsModel::headerData(int section, Qt::Orientation, int role) const
 {
     if (role == Qt::DisplayRole) {
         switch (section) {
             case 0: return i18n("Event");
             case 1: return i18n("Incl.");
             case 2: return i18n("Self");
             case 3: return i18n("Short");
         }
     }
 
     return QVariant();
 }
 
 CallgrindFunctionCallersCalleesModel::CallgrindFunctionCallersCalleesModel(CallgrindFunctionsModel* baseModel, bool isCallerModel)
     : QAbstractTableModel(baseModel)
     , m_baseModel(baseModel)
     , m_isCallerModel(isCallerModel)
     , m_function(nullptr)
 {
     Q_ASSERT(m_baseModel);
 
     connect(m_baseModel, &CallgrindFunctionsModel::dataChanged,
             this, [this](const QModelIndex&, const QModelIndex&, const QVector<int>&) {
 
         emitDataChanged(this);
         emit headerDataChanged(Qt::Horizontal, 0, 1);
     });
 }
 
 void CallgrindFunctionCallersCalleesModel::setFunction(CallgrindFunction* function)
 {
     beginResetModel();
     m_function = function;
     endResetModel();
 }
 
 QModelIndex CallgrindFunctionCallersCalleesModel::index(int row, int column, const QModelIndex&) const
 {
     if (hasIndex(row, column)) {
         return createIndex(row, column);
     }
 
     return QModelIndex();
 }
 
 int CallgrindFunctionCallersCalleesModel::rowCount(const QModelIndex&) const
 {
     if (!m_function) {
         return 0;
     }
 
     if (m_isCallerModel) {
         return m_function->callersInformation.size();
     }
 
     return m_function->calleesInformation.size();
 }
 
 int CallgrindFunctionCallersCalleesModel::columnCount(const QModelIndex&) const
 {
     return 4;
 }
 
 QVariant CallgrindFunctionCallersCalleesModel::data(const QModelIndex& index, int role) const
 {
     if (!index.isValid()) {
         return QVariant();
     }
 
     int row = index.row();
     int column = index.column();
 
     if (role == Qt::TextAlignmentRole && column < 3) {
         return rightAlign;
     }
 
     auto info = m_isCallerModel ? m_function->callersInformation.at(row) : m_function->calleesInformation.at(row);
     int eventType = m_baseModel->currentEventType();
     int intValue = info->eventValue(eventType);
     int callCount = info->callCount;
 
     if (column == 0) {
         if (role == SortRole) {
             return intValue;
         }
 
         if (role == Qt::DisplayRole) {
             return m_baseModel->displayValue(intValue, eventType);
         }
     }
 
     if (column == 1) {
         int perCallValue = intValue / callCount;
 
         if (role == SortRole) {
             return perCallValue;
         }
 
         if (role == Qt::DisplayRole) {
             return displayValue(perCallValue);
         }
     }
 
     if (column == 2) {
         if (role == SortRole || role == Qt::DisplayRole) {
             return callCount;
         }
     }
 
     if (column == 3) {
         if (role == SortRole || role == Qt::DisplayRole) {
             if (m_isCallerModel) {
                 return info->caller->name;
             }
             return info->callee->name;
         }
     }
 
     return QVariant();
 }
 
 QVariant CallgrindFunctionCallersCalleesModel::headerData(int section, Qt::Orientation, int role) const
 {
     if (role == Qt::DisplayRole) {
         const QString& eventType = m_baseModel->eventTypes().at(m_baseModel->currentEventType());
 
         switch (section) {
             case 0: return eventType;
             case 1: return i18n("%1 per call", eventType);
             case 2: return i18n("Count");
             case 3:
                 if (m_isCallerModel) {
                     return i18n("Caller");
                 }
                 return i18n("Callee");
         }
     }
 
     return QVariant();
 }
 
 }