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Code Pull Requests Activity

Add -profile option that dumps plugin load/initialization times.

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Reviewed-by: con
This commit is contained in:
Friedemann Kleint
2010-03-02 12:33:51 +01:00
parent ab3a702c07
commit eae2f62970
5 changed files with 82 additions and 11 deletions
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67
src/libs/extensionsystem/pluginmanager.cpp
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@@ -38,6 +38,8 @@
#include <QtCore/QDir>
#include <QtCore/QTextStream>
#include <QtCore/QWriteLocker>
#include <QtCore/QTime>
#include <QtCore/QDateTime>
#include <QtDebug>
#ifdef WITH_TESTS
#include <QTest>
@@ -465,6 +467,9 @@ void PluginManager::formatOptions(QTextStream &str, int optionIndentation, int d
formatOption(str, QLatin1String(OptionsParser::NO_LOAD_OPTION),
QLatin1String("plugin"), QLatin1String("Do not load <plugin>"),
optionIndentation, descriptionIndentation);
formatOption(str, QLatin1String(OptionsParser::PROFILE_OPTION),
QString(), QLatin1String("Profile plugin loading"),
optionIndentation, descriptionIndentation);
}
/*!
@@ -573,8 +578,10 @@ PluginSpecPrivate *PluginManagerPrivate::privateSpec(PluginSpec *spec)
\fn PluginManagerPrivate::PluginManagerPrivate(PluginManager *pluginManager)
\internal
*/
PluginManagerPrivate::PluginManagerPrivate(PluginManager *pluginManager)
: extension("xml"), q(pluginManager)
PluginManagerPrivate::PluginManagerPrivate(PluginManager *pluginManager) :
extension(QLatin1String("xml")),
m_profileElapsedMS(0),
q(pluginManager)
{
}
@@ -740,14 +747,19 @@ void PluginManagerPrivate::loadPlugin(PluginSpec *spec, PluginSpec::State destSt
{
if (spec->hasError())
return;
if (destState == PluginSpec::Running) {
switch (destState) {
case PluginSpec::Running:
profilingReport(">initializeExtensions", spec);
spec->d->initializeExtensions();
profilingReport("<initializeExtensions", spec);
return;
} else if (destState == PluginSpec::Deleted) {
case PluginSpec::Deleted:
spec->d->kill();
return;
default:
break;
}
foreach (PluginSpec *depSpec, spec->dependencySpecs()) {
foreach (const PluginSpec *depSpec, spec->dependencySpecs()) {
if (depSpec->state() != destState) {
spec->d->hasError = true;
spec->d->errorString =
@@ -756,12 +768,25 @@ void PluginManagerPrivate::loadPlugin(PluginSpec *spec, PluginSpec::State destSt
return;
}
}
if (destState == PluginSpec::Loaded)
switch (destState) {
case PluginSpec::Loaded:
profilingReport(">loadLibrary", spec);
spec->d->loadLibrary();
else if (destState == PluginSpec::Initialized)
profilingReport("<loadLibrary", spec);
break;
case PluginSpec::Initialized:
profilingReport(">initializePlugin", spec);
spec->d->initializePlugin();
else if (destState == PluginSpec::Stopped)
profilingReport("<initializePlugin", spec);
break;
case PluginSpec::Stopped:
profilingReport(">stop", spec);
spec->d->stop();
profilingReport("<stop", spec);
break;
default:
break;
}
}
/*!
@@ -787,7 +812,8 @@ void PluginManagerPrivate::readPluginPaths()
QStringList searchPaths = pluginPaths;
while (!searchPaths.isEmpty()) {
const QDir dir(searchPaths.takeFirst());
const QFileInfoList files = dir.entryInfoList(QStringList() << QString("*.%1").arg(extension), QDir::Files);
const QString pattern = QLatin1String("*.") + extension;
const QFileInfoList files = dir.entryInfoList(QStringList(pattern), QDir::Files);
foreach (const QFileInfo &file, files)
specFiles << file.absoluteFilePath();
const QFileInfoList dirs = dir.entryInfoList(QDir::Dirs|QDir::NoDotAndDotDot);
@@ -844,3 +870,26 @@ PluginSpec *PluginManagerPrivate::pluginByName(const QString &name) const
return 0;
}
void PluginManagerPrivate::initProfiling()
{
if (m_profileTimer.isNull()) {
m_profileTimer.reset(new QTime);
m_profileTimer->start();
m_profileElapsedMS = 0;
qDebug("Profiling started");
}
}
void PluginManagerPrivate::profilingReport(const char *what, const PluginSpec *spec /* = 0 */)
{
if (!m_profileTimer.isNull()) {
const int absoluteElapsedMS = m_profileTimer->elapsed();
const int elapsedMS = absoluteElapsedMS - m_profileElapsedMS;
m_profileElapsedMS = absoluteElapsedMS;
if (spec) {
qDebug("%-22s %-22s %8dms (%8dms)", what, qPrintable(spec->name()), absoluteElapsedMS, elapsedMS);
} else {
qDebug("%-22s %8dms (%8dms)", what, absoluteElapsedMS, elapsedMS);
}
}
}