forked from qt-creator/qt-creator
337 lines
8.3 KiB
C++
337 lines
8.3 KiB
C++
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (info@qt.nokia.com)
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**
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**
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** GNU Lesser General Public License Usage
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**
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this file.
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** Please review the following information to ensure the GNU Lesser General
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** Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** Other Usage
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**
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at info@qt.nokia.com.
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**
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**************************************************************************/
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#include "callgrindfunction.h"
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#include "callgrindfunctioncall.h"
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#include "callgrindcostitem.h"
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#include "callgrindparsedata.h"
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#include "callgrindfunction_p.h"
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#include <QtCore/QString>
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#include <QtCore/QStringList>
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#include <QtCore/QDebug>
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#include <QtCore/QFileInfo>
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#include <utils/qtcassert.h>
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namespace Valgrind {
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namespace Callgrind {
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//BEGIN Function::Private
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Function::Private::Private(const ParseData *data)
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: m_data(data)
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, m_fileId(-1)
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, m_objectId(-1)
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, m_nameId(-1)
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, m_selfCost(data->events().size(), 0)
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, m_inclusiveCost(data->events().size(), 0)
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, m_called(0)
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{
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}
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Function::Private::~Private()
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{
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// we don't own m_callers
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// we own the costitem which in turn owns the callees,
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// so only delete the former
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qDeleteAll(m_costItems);
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qDeleteAll(m_outgoingCalls);
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}
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void Function::Private::accumulateCost(QVector<quint64> &base, const QVector<quint64> &add)
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{
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if (base.isEmpty()) {
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base = add;
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} else {
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///TODO: see whether .data() is noticably faster (less detaching)
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int i = 0;
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foreach(quint64 cost, add)
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base[i++] += cost;
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}
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}
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FunctionCall *Function::Private::accumulateCall(const FunctionCall *call, CallType type)
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{
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const Function *key = (type == Incoming) ? call->caller() : call->callee();
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QHash<const Function *, FunctionCall *> &callMap = (type == Incoming) ? m_incomingCallMap : m_outgoingCallMap;
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FunctionCall *accumulatedCall = callMap.value(key, 0);
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if (!accumulatedCall) {
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accumulatedCall = new FunctionCall;
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if (type == Incoming)
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m_incomingCalls << accumulatedCall;
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else
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m_outgoingCalls << accumulatedCall;
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accumulatedCall->setCallee(call->callee());
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accumulatedCall->setCaller(call->caller());
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///TODO: could the destinations differ from call to call? they should not, or?
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accumulatedCall->setDestinations(call->destinations());
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callMap.insert(key, accumulatedCall);
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accumulatedCall->setCosts(call->costs());
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} else {
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QVector<quint64> costs = accumulatedCall->costs();
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accumulateCost(costs, call->costs());
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accumulatedCall->setCosts(costs);
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}
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accumulatedCall->setCalls(accumulatedCall->calls() + call->calls());
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return accumulatedCall;
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}
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//BEGIN Function
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Function::Function(const ParseData *data)
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: d(new Private(data))
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{
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}
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Function::Function(Function::Private *d)
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: d(d)
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{
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}
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Function::~Function()
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{
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delete d;
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}
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qint64 Function::nameId() const
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{
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return d->m_nameId;
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}
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QString Function::name() const
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{
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if (d->m_nameId != -1)
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return d->m_data->stringForFunctionCompression(d->m_nameId);
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else
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return QString();
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}
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void Function::setName(qint64 id)
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{
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d->m_nameId = id;
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}
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qint64 Function::fileId() const
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{
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return d->m_fileId;
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}
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QString Function::file() const
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{
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if (d->m_fileId != -1)
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return d->m_data->stringForFileCompression(d->m_fileId);
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else
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return QString();
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}
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void Function::setFile(qint64 id)
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{
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d->m_fileId = id;
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}
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qint64 Function::objectId() const
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{
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return d->m_objectId;
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}
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QString Function::object() const
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{
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if (d->m_objectId != -1)
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return d->m_data->stringForObjectCompression(d->m_objectId);
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else
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return QString();
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}
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void Function::setObject(qint64 id)
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{
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d->m_objectId = id;
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}
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QString Function::location() const
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{
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QString pos;
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foreach(const CostItem *costItem, d->m_costItems) {
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if (costItem->differingFileId() != -1) {
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QTextStream stream(&pos);
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stream << '(';
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for(int i = 0, c = costItem->positions().count(); i < c; ++i) {
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///TODO: remember what was hex formatted
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stream << costItem->position(i);
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if (i != c - 1)
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stream << ", ";
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}
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stream << ')';
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break;
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}
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}
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QString f = file();
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if (!f.isEmpty()) {
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QFileInfo info(f);
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if (info.exists()) {
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f = info.canonicalFilePath();
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}
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}
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QString o = object();
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if (o.isEmpty())
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return QString();
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if (f.isEmpty() || f == "???")
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return o;
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if (pos.isEmpty())
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return QObject::tr("%1 in %2").arg(f, o);
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return QObject::tr("%1:%2 in %3").arg(f, pos, o);
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}
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int Function::lineNumber() const
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{
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const int lineIdx = d->m_data->lineNumberPositionIndex();
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if (lineIdx == -1)
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return -1;
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foreach(const CostItem *costItem, d->m_costItems) {
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if (costItem->differingFileId() == -1)
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return costItem->position(lineIdx);
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}
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return -1;
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}
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quint64 Function::selfCost(int event) const
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{
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return d->m_selfCost.at(event);
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}
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QVector< quint64 > Function::selfCosts() const
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{
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return d->m_selfCost;
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}
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quint64 Function::inclusiveCost(int event) const
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{
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return d->m_inclusiveCost.at(event) + d->m_selfCost.at(event);
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}
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QVector<const FunctionCall *> Function::outgoingCalls() const
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{
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return d->m_outgoingCalls;
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}
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void Function::addOutgoingCall(const FunctionCall *call)
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{
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QTC_ASSERT(call->caller() == this, return);
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d->accumulateCall(call, Private::Outgoing);
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}
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QVector<const FunctionCall *> Function::incomingCalls() const
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{
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return d->m_incomingCalls;
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}
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void Function::addIncomingCall(const FunctionCall *call)
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{
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QTC_ASSERT(call->callee() == this, return);
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d->m_called += call->calls();
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d->accumulateCall(call, Private::Incoming);
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}
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quint64 Function::called() const
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{
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return d->m_called;
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}
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QVector<const CostItem *> Function::costItems() const
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{
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return d->m_costItems;
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}
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void Function::addCostItem(const CostItem *item)
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{
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QTC_ASSERT(!d->m_costItems.contains(item), return);
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d->m_costItems.append(item);
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// accumulate costs
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if (item->call()) {
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d->accumulateCost(d->m_inclusiveCost, item->costs());
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} else {
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d->accumulateCost(d->m_selfCost, item->costs());
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}
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}
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void Function::finalize()
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{
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bool recursive = false;
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foreach(const FunctionCall *call, d->m_incomingCalls) {
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if (call->caller() == this) {
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recursive = true;
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break;
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}
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}
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if (recursive) {
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// now handle recursive calls by setting the incl cost to the sum of all (external) calls
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// to this function
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// e.g.: A -> B -> B ..., C -> B -> B ...
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// cost of B = cost of call to B in A + cost of call to B in C + ...
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d->m_inclusiveCost.fill(0);
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foreach(const FunctionCall *call, d->m_incomingCalls) {
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if (call->caller() != this) {
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foreach(const CostItem *costItem, call->caller()->costItems()) {
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if (costItem->call() && costItem->call()->callee() == this)
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d->accumulateCost(d->m_inclusiveCost, costItem->costs());
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}
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}
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}
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// now subtract self cost (see @c inclusiveCost() implementation)
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for(int i = 0, c = d->m_inclusiveCost.size(); i < c; ++i) {
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if (d->m_inclusiveCost.at(i) < d->m_selfCost.at(i))
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d->m_inclusiveCost[i] = 0;
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else
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d->m_inclusiveCost[i] -= d->m_selfCost.at(i);
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}
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}
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}
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} // Callgrind
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} // Valgrind
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