diff options
author | Aaron Kennedy <aaron.kennedy@nokia.com> | 2011-12-09 12:39:23 +0000 |
---|---|---|
committer | Qt by Nokia <qt-info@nokia.com> | 2011-12-14 04:52:08 +0100 |
commit | e8d0ab4b01cabf31d9bff31a821928d846c2f0af (patch) | |
tree | e58f5d7a4a93b66a487ad9ea09b4f10d803b10c4 /src/declarative/qml/ftw | |
parent | 0f2188361b996c4d8b8901412cdcebf35bad1e53 (diff) |
Add a tracing API for the QML engine
Change-Id: Ic03583444d586f275897d765be8e1b5e69fdd5d4
Reviewed-by: Roberto Raggi <roberto.raggi@nokia.com>
Diffstat (limited to 'src/declarative/qml/ftw')
-rw-r--r-- | src/declarative/qml/ftw/ftw.pri | 2 | ||||
-rw-r--r-- | src/declarative/qml/ftw/qdeclarativepool_p.h | 11 | ||||
-rw-r--r-- | src/declarative/qml/ftw/qdeclarativetrace.cpp | 154 | ||||
-rw-r--r-- | src/declarative/qml/ftw/qdeclarativetrace_p.h | 294 |
4 files changed, 461 insertions, 0 deletions
diff --git a/src/declarative/qml/ftw/ftw.pri b/src/declarative/qml/ftw/ftw.pri index 9df0af8146..44141223bf 100644 --- a/src/declarative/qml/ftw/ftw.pri +++ b/src/declarative/qml/ftw/ftw.pri @@ -14,6 +14,7 @@ HEADERS += \ $$PWD/qdeletewatcher_p.h \ $$PWD/qrecyclepool_p.h \ $$PWD/qflagpointer_p.h \ + $$PWD/qdeclarativetrace_p.h \ SOURCES += \ $$PWD/qintrusivelist.cpp \ @@ -21,4 +22,5 @@ SOURCES += \ $$PWD/qdeclarativepool.cpp \ $$PWD/qfastmetabuilder.cpp \ $$PWD/qdeclarativethread.cpp \ + $$PWD/qdeclarativetrace.cpp \ diff --git a/src/declarative/qml/ftw/qdeclarativepool_p.h b/src/declarative/qml/ftw/qdeclarativepool_p.h index 60ff4fa359..3a7133c7fb 100644 --- a/src/declarative/qml/ftw/qdeclarativepool_p.h +++ b/src/declarative/qml/ftw/qdeclarativepool_p.h @@ -55,6 +55,7 @@ #include <QtCore/qglobal.h> #include <QtCore/qstring.h> +#include <QtCore/qurl.h> QT_BEGIN_NAMESPACE @@ -105,6 +106,7 @@ public: inline QString *NewString(const QString &); inline QByteArray *NewByteArray(const QByteArray &); + inline QUrl *NewUrl(const QUrl &); template<typename T> struct List { @@ -145,6 +147,8 @@ private: }; struct ByteArrayClass : public QByteArray, public Class { }; + struct UrlClass : public QUrl, public Class { + }; inline void *allocate(int size); void newpage(); @@ -222,6 +226,13 @@ QByteArray *QDeclarativePool::NewByteArray(const QByteArray &s) return rv; } +QUrl *QDeclarativePool::NewUrl(const QUrl &s) +{ + QUrl *rv = New<UrlClass>(); + *rv = s; + return rv; +} + void *QDeclarativePool::allocate(int size) { if (!_page || (_page->header.free + size) > (_page->memory + Page::pageSize)) diff --git a/src/declarative/qml/ftw/qdeclarativetrace.cpp b/src/declarative/qml/ftw/qdeclarativetrace.cpp new file mode 100644 index 0000000000..61e84075aa --- /dev/null +++ b/src/declarative/qml/ftw/qdeclarativetrace.cpp @@ -0,0 +1,154 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qdeclarativetrace_p.h" + +#ifdef QML_ENABLE_TRACE +#include <stdio.h> +#endif + +QT_BEGIN_NAMESPACE + +#ifdef QML_ENABLE_TRACE + +QDeclarativeTrace::Pool QDeclarativeTrace::logPool; +QDeclarativeTrace::Entry *QDeclarativeTrace::first = 0; +QDeclarativeTrace::Entry *QDeclarativeTrace::last = 0; + +static qint64 toNsecs(QDeclarativeTrace::TimeType time) +{ +#ifdef Q_OS_MAC + static mach_timebase_info_data_t info = {0,0}; + if (info.denom == 0) + mach_timebase_info(&info); + return time * info.numer / info.denom; +#else + qint64 rv = time.tv_sec * 1000000000 + time.tv_nsec; + return rv; +#endif +} + +QDeclarativeTrace::Pool::Pool() +{ + first = New<Entry>(); + last = first; +} + +QDeclarativeTrace::Pool::~Pool() +{ + char buffer[128]; + sprintf(buffer, "qml.%d.log", ::getpid()); + FILE *out = fopen(buffer, "w"); + if (!out) { + fprintf (stderr, "QML Log: Could not open %s\n", buffer); + return; + } else { + fprintf (stderr, "QML Log: Writing log to %s\n", buffer); + } + + QDeclarativeTrace::Entry *cur = QDeclarativeTrace::first; + QByteArray indent; + int depth = -1; + + qint64 firstTime = -1; + + while (cur) { + + switch (cur->type) { + case QDeclarativeTrace::Entry::RangeStart: { + RangeStart *rs = static_cast<QDeclarativeTrace::RangeStart *>(cur); + + qint64 nsecs = toNsecs(rs->time); + + if (firstTime == -1) + firstTime = nsecs; + + nsecs -= firstTime; + + depth++; + indent = QByteArray(depth * 4, ' '); + fprintf(out, "%s%s @%lld (%lld ns)\n", indent.constData(), + rs->description, nsecs, toNsecs(rs->end->time) - nsecs - firstTime); + } break; + case QDeclarativeTrace::Entry::RangeEnd: + depth--; + indent = QByteArray(depth * 4, ' '); + break; + case QDeclarativeTrace::Entry::Detail: + fprintf(out, "%s %s\n", indent.constData(), + static_cast<QDeclarativeTrace::Detail *>(cur)->description); + break; + case QDeclarativeTrace::Entry::IntDetail: + fprintf(out, "%s %s: %d\n", indent.constData(), + static_cast<QDeclarativeTrace::Detail *>(cur)->description, + static_cast<QDeclarativeTrace::IntDetail *>(cur)->value); + break; + case QDeclarativeTrace::Entry::StringDetail: { + QByteArray vLatin1 = static_cast<QDeclarativeTrace::StringDetail *>(cur)->value->toLatin1(); + fprintf(out, "%s %s: %s\n", indent.constData(), + static_cast<QDeclarativeTrace::Detail *>(cur)->description, + vLatin1.constData()); + } break; + case QDeclarativeTrace::Entry::UrlDetail: { + QByteArray vLatin1 = static_cast<QDeclarativeTrace::UrlDetail *>(cur)->value->toString().toLatin1(); + fprintf(out, "%s %s: %s\n", indent.constData(), + static_cast<QDeclarativeTrace::Detail *>(cur)->description, + vLatin1.constData()); + } break; + case QDeclarativeTrace::Entry::Event: { + Event *ev = static_cast<QDeclarativeTrace::Event *>(cur); + qint64 nsecs = toNsecs(ev->time) - firstTime; + fprintf(out, "%s + %s @%lld +%lld ns\n", indent.constData(), + ev->description, nsecs, nsecs - (toNsecs(ev->start->time) - firstTime)); + } break; + case QDeclarativeTrace::Entry::Null: + default: + break; + } + cur = cur->next; + } + fclose(out); +} + +#endif + +QT_END_NAMESPACE + diff --git a/src/declarative/qml/ftw/qdeclarativetrace_p.h b/src/declarative/qml/ftw/qdeclarativetrace_p.h new file mode 100644 index 0000000000..6fac53967a --- /dev/null +++ b/src/declarative/qml/ftw/qdeclarativetrace_p.h @@ -0,0 +1,294 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QDECLARATIVETRACE_P_H +#define QDECLARATIVETRACE_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <QtCore/qglobal.h> +#include <private/qdeclarativepool_p.h> + +// #define QML_ENABLE_TRACE + +#if defined(QML_ENABLE_TRACE) && defined(Q_OS_MAC) +#include <mach/mach_time.h> +#endif + +QT_BEGIN_NAMESPACE + +class QUrl; +class QDeclarativeTrace +{ +public: + inline QDeclarativeTrace(const char *desc); + inline ~QDeclarativeTrace(); + + inline void addDetail(const char *); + inline void addDetail(const char *, int); + inline void addDetail(const char *, const QString &); + inline void addDetail(const char *, const QUrl &); + + inline void event(const char *desc); + +#ifdef QML_ENABLE_TRACE + +#ifdef Q_OS_MAC + typedef uint64_t TimeType; +#else + typedef timespec TimeType; +#endif + + struct Entry : public QDeclarativePool::POD { + enum Type { Null, RangeStart, RangeEnd, Detail, IntDetail, StringDetail, UrlDetail, Event }; + inline Entry(); + inline Entry(Type); + Type type; + Entry *next; + }; + struct RangeEnd : public Entry { + inline RangeEnd(); + TimeType time; + }; + struct RangeStart : public Entry { + inline RangeStart(); + const char *description; + TimeType time; + QDeclarativeTrace::RangeEnd *end; + }; + struct Detail : public Entry { + inline Detail(); + inline Detail(Type t); + const char *description; + }; + struct IntDetail : public Detail { + inline IntDetail(); + int value; + }; + struct StringDetail : public Detail { + inline StringDetail(); + QString *value; + }; + struct UrlDetail : public Detail { + inline UrlDetail(); + QUrl *value; + }; + struct Event : public Entry { + inline Event(); + const char *description; + TimeType time; + QDeclarativeTrace::RangeStart *start; + }; + + struct Pool : public QDeclarativePool { + Pool(); + ~Pool(); + }; + + static Pool logPool; + static Entry *first; + static Entry *last; + +private: + RangeStart *start; + + static TimeType gettime() { +#ifdef Q_OS_MAC + return mach_absolute_time(); +#else + TimeType ts; + clock_gettime(CLOCK_MONOTONIC, &ts); + return ts; +#endif + } +#endif +}; + +#ifdef QML_ENABLE_TRACE +QDeclarativeTrace::Entry::Entry() +: type(Null), next(0) +{ +} + +QDeclarativeTrace::Entry::Entry(Type type) +: type(type), next(0) +{ + QDeclarativeTrace::last->next = this; + QDeclarativeTrace::last = this; +} + +QDeclarativeTrace::RangeEnd::RangeEnd() +: QDeclarativeTrace::Entry(QDeclarativeTrace::Entry::RangeEnd), + time(gettime()) +{ +} + +QDeclarativeTrace::RangeStart::RangeStart() +: QDeclarativeTrace::Entry(QDeclarativeTrace::Entry::RangeStart), + description(0), time(gettime()) +{ +} + +QDeclarativeTrace::Detail::Detail() +: QDeclarativeTrace::Entry(QDeclarativeTrace::Entry::Detail), + description(0) +{ +} + +QDeclarativeTrace::Detail::Detail(Type type) +: QDeclarativeTrace::Entry(type), description(0) +{ +} + +QDeclarativeTrace::IntDetail::IntDetail() +: QDeclarativeTrace::Detail(QDeclarativeTrace::Entry::IntDetail), + value(0) +{ +} + +QDeclarativeTrace::StringDetail::StringDetail() +: QDeclarativeTrace::Detail(QDeclarativeTrace::Entry::StringDetail), + value(0) +{ +} + +QDeclarativeTrace::UrlDetail::UrlDetail() +: QDeclarativeTrace::Detail(QDeclarativeTrace::Entry::UrlDetail), + value(0) +{ +} + +QDeclarativeTrace::Event::Event() +: QDeclarativeTrace::Entry(QDeclarativeTrace::Entry::Event), + description(0), time(gettime()), start(0) +{ +} +#endif + +QDeclarativeTrace::QDeclarativeTrace(const char *desc) +{ +#ifdef QML_ENABLE_TRACE + RangeStart *e = logPool.New<RangeStart>(); + e->description = desc; + e->end = 0; + start = e; +#else + Q_UNUSED(desc); +#endif +} + +QDeclarativeTrace::~QDeclarativeTrace() +{ +#ifdef QML_ENABLE_TRACE + RangeEnd *e = logPool.New<RangeEnd>(); + start->end = e; +#endif +} + +void QDeclarativeTrace::addDetail(const char *desc) +{ +#ifdef QML_ENABLE_TRACE + Detail *e = logPool.New<Detail>(); + e->description = desc; +#else + Q_UNUSED(desc); +#endif +} + +void QDeclarativeTrace::addDetail(const char *desc, int v) +{ +#ifdef QML_ENABLE_TRACE + IntDetail *e = logPool.New<IntDetail>(); + e->description = desc; + e->value = v; +#else + Q_UNUSED(desc); + Q_UNUSED(v); +#endif +} + +void QDeclarativeTrace::addDetail(const char *desc, const QString &v) +{ +#ifdef QML_ENABLE_TRACE + StringDetail *e = logPool.New<StringDetail>(); + e->description = desc; + e->value = logPool.NewString(v); +#else + Q_UNUSED(desc); + Q_UNUSED(v); +#endif +} + +void QDeclarativeTrace::addDetail(const char *desc, const QUrl &v) +{ +#ifdef QML_ENABLE_TRACE + UrlDetail *e = logPool.New<UrlDetail>(); + e->description = desc; + e->value = logPool.NewUrl(v); +#else + Q_UNUSED(desc); + Q_UNUSED(v); +#endif +} + +void QDeclarativeTrace::event(const char *desc) +{ +#ifdef QML_ENABLE_TRACE + Event *e = logPool.New<Event>(); + e->start = start; + e->description = desc; +#else + Q_UNUSED(desc); +#endif +} + +QT_END_NAMESPACE + +#endif // QDECLARATIVETRACE_P_H |