1 files changed, 0 insertions, 303 deletions
diff --git a/src/corelib/tracing/qctflib.cpp b/src/corelib/tracing/qctflib.cpp
deleted file mode 100644
index 2fbb02132f..0000000000
--- a/src/corelib/tracing/qctflib.cpp
+++ /dev/null
@@ -1,303 +0,0 @@
-// Copyright (C) 2022 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
-#define BUILD_LIBRARY
-#include <qstring.h>
-#include <qthread.h>
-#include <stdio.h>
-#include <qjsondocument.h>
-#include <qjsonarray.h>
-#include <qjsonobject.h>
-#include <qfileinfo.h>
-#include <qrect.h>
-#include <qsize.h>
-#include <qmetaobject.h>
-#include <qendian.h>
-#include "qctflib_p.h"
-
-QT_BEGIN_NAMESPACE
-
-Q_LOGGING_CATEGORY(lcDebugTrace, "qt.core.ctf");
-
-static const size_t packetHeaderSize = 24 + 6 * 8 + 4;
-static const size_t packetSize = 4096;
-
-static const char traceMetadataTemplate[] =
-#include "metadata_template.h"
-;
-static const size_t traceMetadataSize = sizeof(traceMetadataTemplate);
-
-template <typename T>
-QByteArray &operator << (QByteArray &arr, T val)
-{
-    arr.append((char *)&val, sizeof(val));
-    return arr;
-}
-
-QCtfLibImpl *QCtfLibImpl::s_instance = nullptr;
-
-QCtfLib *QCtfLibImpl::instance()
-{
-    if (!s_instance)
-        s_instance = new QCtfLibImpl();
-    return s_instance;
-}
-
-QCtfLibImpl::QCtfLibImpl()
-{
-    QString location = QString::fromUtf8(qgetenv("QTRACE_LOCATION"));
-    if (location.isEmpty()) {
-        qCWarning (lcDebugTrace) << "QTRACE_LOCATION not set";
-        return;
-    }
-    FILE *file = nullptr;
-    file = fopen(qPrintable(location + QStringLiteral("/session.json")), "rb");
-    if (!file) {
-        qCWarning (lcDebugTrace) << "unable to open session file: " << (location + QStringLiteral("/session.json"));
-        m_location = location;
-        m_session.tracepoints.append(QStringLiteral("all"));
-        m_session.name = QStringLiteral("default");
-    } else {
-        QByteArray data;
-        fseek(file, 0, SEEK_END);
-        long pos = ftell(file);
-        fseek(file, 0, SEEK_SET);
-        data.resize(pos);
-        long size = (long)fread(data.data(), pos, 1, file);
-        fclose(file);
-        if (size != 1)
-            return;
-        QJsonDocument json(QJsonDocument::fromJson(data));
-
-        QJsonObject obj = json.object();
-        QJsonValue value = *obj.begin();
-        if (value.isNull() || !value.isArray())
-            return;
-        m_session.name = obj.begin().key();
-        QJsonArray arr = value.toArray();
-        for (auto var : arr)
-            m_session.tracepoints.append(var.toString());
-
-        m_location = location + QStringLiteral("/ust");
-    }
-    m_session.all = m_session.tracepoints.contains(QStringLiteral("all"));
-
-    auto datetime = QDateTime::currentDateTime();
-    QString mhn = QSysInfo::machineHostName();
-    QString metadata = QString::fromUtf8(traceMetadataTemplate, traceMetadataSize);
-    metadata.replace(QStringLiteral("$TRACE_UUID"), s_TraceUuid.toString(QUuid::WithoutBraces));
-    metadata.replace(QStringLiteral("$ARC_BIT_WIDTH"), QString::number(Q_PROCESSOR_WORDSIZE * 8));
-    metadata.replace(QStringLiteral("$SESSION_NAME"), m_session.name);
-    metadata.replace(QStringLiteral("$CREATION_TIME"), datetime.toString());
-    metadata.replace(QStringLiteral("$HOST_NAME"), mhn);
-    metadata.replace(QStringLiteral("$CLOCK_FREQUENCY"), m_timer.isMonotonic() ? QStringLiteral("1000000000") : QStringLiteral("1000"));
-    metadata.replace(QStringLiteral("$CLOCK_NAME"), m_timer.isMonotonic() ? QStringLiteral("monotonic") : QStringLiteral("system"));
-    metadata.replace(QStringLiteral("$CLOCK_TYPE"), m_timer.isMonotonic() ? QStringLiteral("Monotonic clock") : QStringLiteral("System clock"));
-    metadata.replace(QStringLiteral("$CLOCK_OFFSET"), QString::number(datetime.toMSecsSinceEpoch() * 1000000));
-#if Q_BYTE_ORDER == Q_BIG_ENDIAN
-    metadata.replace(QStringLiteral("$ENDIANNESS"), QStringLiteral("be"));
-#else
-    metadata.replace(QStringLiteral("$ENDIANNESS"), QStringLiteral("le"));
-#endif
-    writeMetadata(metadata.toUtf8(), true);
-
-    m_timer.start();
-}
-
-void QCtfLibImpl::writeMetadata(const QByteArray &data, bool overwrite)
-{
-    FILE *file = nullptr;
-    file = fopen(qPrintable(m_location + QStringLiteral("/metadata")), overwrite ? "w+b": "ab");
-    if (!file)
-        return;
-
-    if (!overwrite)
-        fputs("\n", file);
-    fwrite(data.data(), data.size() - 1, 1, file);
-    fclose(file);
-}
-
-void QCtfLibImpl::writeCtfPacket(QCtfLibImpl::Channel &ch)
-{
-    FILE *file = nullptr;
-    file = fopen(ch.channelName, "ab");
-    if (file) {
-        /*  Each packet contains header and context, which are defined in the metadata.txt */
-        QByteArray packet;
-        packet << s_CtfHeaderMagic;
-        /* Uuid is array of bytes hence implicitely big endian.  */
-        packet << qToBigEndian(s_TraceUuid.data1);
-        packet << qToBigEndian(s_TraceUuid.data2);
-        packet << qToBigEndian(s_TraceUuid.data3);
-        for (int i = 0; i < 8; i++)
-            packet << s_TraceUuid.data4[i];
-
-        packet << quint32(0);
-        packet << ch.minTimestamp;
-        packet << ch.maxTimestamp;
-        packet << quint64(ch.data.size() + packetHeaderSize + ch.threadNameLength) * 8u;
-        packet << quint64(packetSize) * 8u;
-        packet << ch.seqnumber++;
-        packet << quint64(0);
-        packet << ch.threadIndex;
-        if (ch.threadName.size())
-            packet.append(ch.threadName);
-        packet << (char)0;
-
-        Q_ASSERT(ch.data.size() + packetHeaderSize + ch.threadNameLength <= packetSize);
-        Q_ASSERT(packet.size() == qsizetype(packetHeaderSize + ch.threadNameLength));
-        fwrite(packet.data(), packet.size(), 1, file);
-        ch.data.resize(packetSize - packet.size(), 0);
-        fwrite(ch.data.data(), ch.data.size(), 1, file);
-    }
-    fclose(file);
-}
-
-QCtfLibImpl::~QCtfLibImpl()
-{
-    qDeleteAll(m_eventPrivs);
-}
-
-bool QCtfLibImpl::tracepointEnabled(const QCtfTracePointEvent &point)
-{
-    return m_session.all || m_session.tracepoints.contains(point.provider.provider);
-}
-
-QCtfLibImpl::Channel::~Channel()
-{
-    if (data.size())
-        QCtfLibImpl::writeCtfPacket(*this);
-}
-
-static QString toMetadata(const QString &provider, const QString &name, const QString &metadata, quint32 eventId)
-{
-/*
-    generates event structure:
-event {
-    name = provider:tracepoint_name;
-    id = eventId;
-    stream_id = 0;
-    loglevel = 13;
-    fields := struct {
-        metadata
-    };
-};
-*/
-    QString ret;
-    ret  = QStringLiteral("event {\n    name = \"") + provider + QLatin1Char(':') + name + QStringLiteral("\";\n");
-    ret += QStringLiteral("    id = ") + QString::number(eventId) + QStringLiteral(";\n");
-    ret += QStringLiteral("    stream_id = 0;\n    loglevel = 13;\n    fields := struct {\n        ");
-    ret += metadata + QStringLiteral("\n    };\n};\n");
-    return ret;
-}
-
-QCtfTracePointPrivate *QCtfLibImpl::initializeTracepoint(const QCtfTracePointEvent &point)
-{
-    QMutexLocker lock(&m_mutex);
-    QCtfTracePointPrivate *priv = point.d;
-    if (!point.d) {
-        if (const auto &it = m_eventPrivs.find(point.eventName); it != m_eventPrivs.end()) {
-            priv = *it;
-        } else {
-            priv = new QCtfTracePointPrivate();
-            m_eventPrivs.insert(point.eventName, priv);
-            priv->id = eventId();
-            priv->metadata = toMetadata(point.provider.provider, point.eventName, point.metadata, priv->id);
-        }
-    }
-    return priv;
-}
-
-void QCtfLibImpl::doTracepoint(const QCtfTracePointEvent &point, const QByteArray &arr)
-{
-    QCtfTracePointPrivate *priv = point.d;
-    quint64 timestamp = 0;
-    QThread *thread = nullptr;
-    {
-        QMutexLocker lock(&m_mutex);
-        if (!priv->metadataWritten) {
-            priv->metadataWritten = true;
-            auto providerMetadata = point.provider.metadata;
-            while (providerMetadata) {
-                registerMetadata(*providerMetadata);
-                providerMetadata = providerMetadata->next;
-            }
-            if (m_newAdditionalMetadata.size()) {
-                for (const QString &name : m_newAdditionalMetadata)
-                    writeMetadata(m_additionalMetadata[name]->metadata.toUtf8());
-                m_newAdditionalMetadata.clear();
-            }
-            writeMetadata(priv->metadata.toUtf8());
-        }
-        timestamp = m_timer.nsecsElapsed();
-    }
-    if (arr.size() != point.size) {
-        if (arr.size() < point.size)
-            return;
-        if (arr.size() > point.size && !point.variableSize && !point.metadata.isEmpty())
-            return;
-    }
-
-    thread = QThread::currentThread();
-    if (thread == nullptr)
-        return;
-
-    Channel &ch = m_threadData.localData();
-
-    if (ch.channelName[0] == 0) {
-        m_threadIndices.insert(thread, m_threadIndices.size());
-        sprintf(ch.channelName, "%s/channel_%d", qPrintable(m_location), m_threadIndices[thread]);
-        FILE *f = nullptr;
-        f = fopen(ch.channelName, "wb");
-        fclose(f);
-        ch.minTimestamp = ch.maxTimestamp = timestamp;
-        ch.thread = thread;
-        ch.threadIndex = m_threadIndices[thread];
-        ch.threadName = thread->objectName().toUtf8();
-        if (ch.threadName.isEmpty()) {
-            const QMetaObject *obj = thread->metaObject();
-            ch.threadName = QByteArray(obj->className());
-        }
-        ch.threadNameLength = ch.threadName.size() + 1;
-    }
-    if (ch.locked)
-        return;
-    Q_ASSERT(ch.thread == thread);
-    ch.locked = true;
-
-    QByteArray event;
-    event << priv->id << timestamp;
-    if (!point.metadata.isEmpty())
-        event.append(arr);
-
-    if (ch.threadNameLength + ch.data.size() + event.size() + packetHeaderSize >= packetSize) {
-        writeCtfPacket(ch);
-        ch.data = event;
-        ch.minTimestamp = ch.maxTimestamp = timestamp;
-    } else {
-        ch.data.append(event);
-    }
-
-    ch.locked = false;
-    ch.maxTimestamp = timestamp;
-}
-
-bool QCtfLibImpl::sessionEnabled()
-{
-    return !m_session.name.isEmpty();
-}
-
-int QCtfLibImpl::eventId()
-{
-    return m_eventId++;
-}
-
-void QCtfLibImpl::registerMetadata(const QCtfTraceMetadata &metadata)
-{
-    if (m_additionalMetadata.contains(metadata.name))
-        return;
-
-    m_additionalMetadata.insert(metadata.name, &metadata);
-    m_newAdditionalMetadata.insert(metadata.name);
-}
-
-QT_END_NAMESPACE