summaryrefslogtreecommitdiffstats
path: root/src/tools/tracegen/lttng.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/tools/tracegen/lttng.cpp')
-rw-r--r--src/tools/tracegen/lttng.cpp210
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 &paramType = 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);
}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-23 16:16:33 +0000