diff options
Diffstat (limited to 'src/tools/tracegen/lttng.cpp')
-rw-r--r-- | src/tools/tracegen/lttng.cpp | 210 |
1 files changed, 143 insertions, 67 deletions
diff --git a/src/tools/tracegen/lttng.cpp b/src/tools/tracegen/lttng.cpp index e628fbd680..9711570874 100644 --- a/src/tools/tracegen/lttng.cpp +++ b/src/tools/tracegen/lttng.cpp @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Rafael Roquetto <rafael.roquetto@kdab.com> -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the tools applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** 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-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Rafael Roquetto <rafael.roquetto@kdab.com> +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 #include "lttng.h" #include "provider.h" @@ -48,23 +12,37 @@ #include <qtextstream.h> #include <qdebug.h> -static void writeCtfMacro(QTextStream &stream, const Tracepoint::Field &field) +static void writeCtfMacro(QTextStream &stream, const Provider &provider, const Tracepoint::Field &field) { const QString ¶mType = field.paramType; const QString &name = field.name; const QString &seqLen = field.seqLen; const int arrayLen = field.arrayLen; - switch (field.backendType) { - case Tracepoint::Field::Array: - stream << "ctf_array(" <<paramType << ", " - << name << ", " << name << ", " << arrayLen << ")"; + if (arrayLen > 0) { + if (paramType == QStringLiteral("double") || paramType == QStringLiteral("float")) { + const char *newline = nullptr; + for (int i = 0; i < arrayLen; i++) { + stream << newline; + stream << "ctf_float(" <<paramType << ", " << name << "_" << QString::number(i) << ", " + << name << "[" << QString::number(i) << "]" << ")"; + newline = "\n "; + } + + } else { + stream << "ctf_array(" <<paramType << ", " + << name << ", " << name << ", " << arrayLen << ")"; + } return; + } + + switch (field.backendType) { case Tracepoint::Field::Sequence: stream << "ctf_sequence(" << paramType << ", " << name << ", " << name << ", unsigned int, " << seqLen << ")"; return; + case Tracepoint::Field::Boolean: case Tracepoint::Field::Integer: stream << "ctf_integer(" << paramType << ", " << name << ", " << name << ")"; return; @@ -79,33 +57,51 @@ static void writeCtfMacro(QTextStream &stream, const Tracepoint::Field &field) stream << "ctf_string(" << name << ", " << name << ")"; return; case Tracepoint::Field::QtString: - stream << "ctf_sequence(const ushort, " << name << ", " - << name << ".utf16(), unsigned int, " << name << ".size())"; + stream << "ctf_string(" << name << ", " << name << ".toUtf8().constData())"; return; case Tracepoint::Field::QtByteArray: stream << "ctf_sequence(const char, " << name << ", " << name << ".constData(), unsigned int, " << name << ".size())"; return; case Tracepoint::Field::QtUrl: - stream << "ctf_sequence(const char, " << name << ", " - << name << ".toEncoded().constData(), unsigned int, " - << name << ".toEncoded().size())"; + stream << "ctf_string(" << name << ", " << name << ".toString().toUtf8().constData())"; return; case Tracepoint::Field::QtRect: - stream << "ctf_integer(int, x, " << name << ".x()) " - << "ctf_integer(int, y, " << name << ".y()) " - << "ctf_integer(int, width, " << name << ".width()) " - << "ctf_integer(int, height, " << name << ".height()) "; + stream << "ctf_integer(int, QRect_" << name << "_x, " << name << ".x()) " + << "ctf_integer(int, QRect_" << name << "_y, " << name << ".y()) " + << "ctf_integer(int, QRect_" << name << "_width, " << name << ".width()) " + << "ctf_integer(int, QRect_" << name << "_height, " << name << ".height()) "; + return; + case Tracepoint::Field::QtSizeF: + stream << "ctf_float(double, QSizeF_" << name << "_width, " << name << ".width()) " + << "ctf_float(double, QSizeF_" << name << "_height, " << name << ".height()) "; + return; + case Tracepoint::Field::QtRectF: + stream << "ctf_float(double, QRectF_" << name << "_x, " << name << ".x()) " + << "ctf_float(double, QRectF_" << name << "_y, " << name << ".y()) " + << "ctf_float(double, QRectF_" << name << "_width, " << name << ".width()) " + << "ctf_float(double, QRectF_" << name << "_height, " << name << ".height()) "; + return; + case Tracepoint::Field::QtSize: + stream << "ctf_integer(int, QSize_" << name << "_width, " << name << ".width()) " + << "ctf_integer(int, QSize_" << name << "_height, " << name << ".height()) "; + return; + case Tracepoint::Field::EnumeratedType: + stream << "ctf_enum(" << provider.name << ", " << typeToTypeName(paramType) << ", int, " << name << ", " << name << ") "; + return; + case Tracepoint::Field::FlagType: + stream << "ctf_sequence(const char , " << name << ", " + << name << ".constData(), unsigned int, " << name << ".size())"; return; case Tracepoint::Field::Unknown: - justified_worry("Cannot deduce CTF type for '%s %s'", qPrintable(paramType), - qPrintable(name)); + panic("Cannot deduce CTF type for '%s %s", qPrintable(paramType), qPrintable(name)); break; } } static void writePrologue(QTextStream &stream, const QString &fileName, const Provider &provider) { + writeCommonPrologue(stream); const QString guard = includeGuard(fileName); stream << "#undef TRACEPOINT_PROVIDER\n"; @@ -117,7 +113,7 @@ static void writePrologue(QTextStream &stream, const QString &fileName, const Pr stream << qtHeaders(); stream << "\n"; if (!provider.prefixText.isEmpty()) - stream << provider.prefixText.join(QLatin1Char('\n')) << "\n\n"; + stream << provider.prefixText.join(u'\n') << "\n\n"; stream << "#endif\n\n"; /* the first guard is the usual one, the second is required @@ -130,6 +126,12 @@ static void writePrologue(QTextStream &stream, const QString &fileName, const Pr << "#define TRACEPOINT_INCLUDE \"" << fileName << "\"\n\n"; stream << "#include <lttng/tracepoint.h>\n\n"; + + const QString namespaceGuard = guard + QStringLiteral("_USE_NAMESPACE"); + stream << "#if !defined(" << namespaceGuard << ")\n" + << "#define " << namespaceGuard << "\n" + << "QT_USE_NAMESPACE\n" + << "#endif // " << namespaceGuard << "\n\n"; } static void writeEpilogue(QTextStream &stream, const QString &fileName) @@ -141,12 +143,12 @@ static void writeEpilogue(QTextStream &stream, const QString &fileName) } static void writeWrapper(QTextStream &stream, - const Tracepoint &tracepoint, const QString &providerName) + const Tracepoint &tracepoint, const Provider &provider) { const QString argList = formatFunctionSignature(tracepoint.args); - const QString paramList = formatParameterList(tracepoint.args, LTTNG); + const QString paramList = formatParameterList(provider, tracepoint.args, tracepoint.fields, LTTNG); const QString &name = tracepoint.name; - const QString includeGuard = QStringLiteral("TP_%1_%2").arg(providerName).arg(name).toUpper(); + const QString includeGuard = QStringLiteral("TP_%1_%2").arg(provider.name).arg(name).toUpper(); /* prevents the redefinion of the inline wrapper functions * once LTTNG recursively includes this header file @@ -154,28 +156,30 @@ static void writeWrapper(QTextStream &stream, stream << "\n" << "#ifndef " << includeGuard << "\n" << "#define " << includeGuard << "\n" + << "QT_BEGIN_NAMESPACE\n" << "namespace QtPrivate {\n"; stream << "inline void trace_" << name << "(" << argList << ")\n" << "{\n" - << " tracepoint(" << providerName << ", " << name << paramList << ");\n" + << " tracepoint(" << provider.name << ", " << name << paramList << ");\n" << "}\n"; stream << "inline void do_trace_" << name << "(" << argList << ")\n" << "{\n" - << " do_tracepoint(" << providerName << ", " << name << paramList << ");\n" + << " do_tracepoint(" << provider.name << ", " << name << paramList << ");\n" << "}\n"; stream << "inline bool trace_" << name << "_enabled()\n" << "{\n" - << " return tracepoint_enabled(" << providerName << ", " << name << ");\n" + << " return tracepoint_enabled(" << provider.name << ", " << name << ");\n" << "}\n"; stream << "} // namespace QtPrivate\n" + << "QT_END_NAMESPACE\n" << "#endif // " << includeGuard << "\n\n"; } -static void writeTracepoint(QTextStream &stream, +static void writeTracepoint(QTextStream &stream, const Provider &provider, const Tracepoint &tracepoint, const QString &providerName) { stream << "TRACEPOINT_EVENT(\n" @@ -185,8 +189,13 @@ static void writeTracepoint(QTextStream &stream, const char *comma = nullptr; - for (const Tracepoint::Argument &arg : tracepoint.args) { - stream << comma << arg.type << ", " << arg.name; + for (int i = 0; i < tracepoint.args.size(); i++) { + const auto &arg = tracepoint.args[i]; + const auto &field = tracepoint.fields[i]; + if (field.backendType == Tracepoint::Field::FlagType) + stream << comma << "QByteArray, " << arg.name; + else + stream << comma << arg.type << ", " << arg.name; comma = ", "; } @@ -197,18 +206,82 @@ static void writeTracepoint(QTextStream &stream, for (const Tracepoint::Field &f : tracepoint.fields) { stream << newline; - writeCtfMacro(stream, f); + writeCtfMacro(stream, provider, f); newline = "\n "; } stream << ")\n)\n\n"; } +static void writeEnums(QTextStream &stream, const Provider &provider) +{ + for (const auto &e : provider.enumerations) { + stream << "TRACEPOINT_ENUM(\n" + << " " << provider.name << ",\n" + << " " << typeToTypeName(e.name) << ",\n" + << " TP_ENUM_VALUES(\n"; + QList<int> handledValues; + for (const auto &v : e.values) { + if (v.range > 0) { + stream << " ctf_enum_range(\"" << v.name << "\", " << v.value << ", " << v.range << ")\n"; + } else if (!handledValues.contains(v.value)) { + stream << " ctf_enum_value(\"" << aggregateListValues(v.value, e.values) << "\", " << v.value << ")\n"; + handledValues.append(v.value); + } + } + stream << " )\n)\n\n"; + } +} + +static void writeFlags(QTextStream &stream, const Provider &provider) +{ + for (const auto &f : provider.flags) { + stream << "TRACEPOINT_ENUM(\n" + << " " << provider.name << ",\n" + << " " << typeToTypeName(f.name) << ",\n" + << " TP_ENUM_VALUES(\n"; + QList<int> handledValues; + for (const auto &v : f.values) { + if (!handledValues.contains(v.value)) { + stream << " ctf_enum_value(\"" << aggregateListValues(v.value, f.values) << "\", " << v.value << ")\n"; + handledValues.append(v.value); + } + } + stream << " )\n)\n\n"; + } + + // converters + const QString includeGuard = QStringLiteral("TP_%1_CONVERTERS").arg(provider.name).toUpper(); + stream << "\n" + << "#ifndef " << includeGuard << "\n" + << "#define " << includeGuard << "\n"; + stream << "QT_BEGIN_NAMESPACE\n"; + stream << "namespace QtPrivate {\n"; + for (const auto &f : provider.flags) { + stream << "inline QByteArray trace_convert_" << typeToTypeName(f.name) << "(" << f.name << " val)\n"; + stream << "{\n"; + stream << " QByteArray ret;\n"; + stream << " if (val == 0) { ret.append((char)0); return ret; }\n"; + + for (const auto &v : f.values) { + if (!v.value) + continue; + stream << " if (val & " << (1 << (v.value - 1)) << ") { ret.append((char)" << v.value << "); };\n"; + } + stream << " return ret;\n"; + stream << "}\n"; + + } + stream << "} // namespace QtPrivate\n" + << "QT_END_NAMESPACE\n\n" + << "#endif // " << includeGuard << "\n\n"; +} + static void writeTracepoints(QTextStream &stream, const Provider &provider) { for (const Tracepoint &t : provider.tracepoints) { - writeTracepoint(stream, t, provider.name); - writeWrapper(stream, t, provider.name); + writeTracepoint(stream, provider, t, provider.name); + writeWrapper(stream, t, provider); } } @@ -219,6 +292,9 @@ void writeLttng(QFile &file, const Provider &provider) const QString fileName = QFileInfo(file.fileName()).fileName(); writePrologue(stream, fileName, provider); + writeEnums(stream, provider); + writeFlags(stream, provider); writeTracepoints(stream, provider); writeEpilogue(stream, fileName); } + |