AutoTest: Output time taken when parsing tests

Makes debugging easier as you don't have to calculate
end - start yourself.

Change-Id: Ib75a36bbf52633e188a6c4bbd488eb439cb52984
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/autotest/testcodeparser.cpp

@@ -334,6 +334,7 @@ void TestCodeParser::scanForTests(const QSet<FilePath> &filePaths,
     // use only a single parser or all current active?
     const QList<ITestParser *> codeParsers = parsers.isEmpty() ? m_testCodeParsers : parsers;
     qCDebug(LOG) << QDateTime::currentDateTime().toString("hh:mm:ss.zzz") << "StartParsing";
+    m_parsingTimer.restart();
     QSet<QString> extensions;
     const auto cppSnapshot = CppEditor::CppModelManager::instance()->snapshot();
 
@@ -438,6 +439,7 @@ void TestCodeParser::onFinished(bool success)
             m_updateParsers.clear();
             emit parsingFinished();
             qCDebug(LOG) << QDateTime::currentDateTime().toString("hh:mm:ss.zzz") << "ParsingFin";
+            qCDebug(LOG) << "Parsing took:" << m_parsingTimer.elapsed() << "ms";
         }
         m_dirty = false;
         break;

src/plugins/autotest/testcodeparser.h

@@ -97,6 +97,8 @@ private:
     Utils::FutureSynchronizer m_futureSynchronizer;
     std::unique_ptr<Tasking::TaskTree> m_taskTree;
     QHash<Utils::FilePath, int> m_qmlEditorRev;
+
+    QElapsedTimer m_parsingTimer;
 };
 
 } // namespace Internal