加入直接调用测试

qt_event_signal/main.cpp

@@ -82,32 +82,43 @@ int main(int argc, char *argv[])
 	thread2->start();
 
 	printf("Test signals and slots...\n");
+	QCoreApplication::processEvents();
 
 	a.connect (obj1,&TestObj::sig_finished,[=]()->void{
 		printf("Test Events...\n");
 		QThread::msleep(1000);
-		QCoreApplication::postEvent(obj1,new QEvent(TestEvent::startEvt()));
+		QCoreApplication::postEvent(obj1,new QEvent(TestMsg::startEvt()));
 
 	});
 
 	a.connect (obj1,&TestObj::evt_finished,[=]()->void{
 		QThread::msleep(1000);
-		QCoreApplication::postEvent(obj1,new QEvent(TestEvent::quitEvt()));
-		QCoreApplication::postEvent(obj2,new QEvent(TestEvent::quitEvt()));
+		QCoreApplication::postEvent(obj1,new QEvent(TestMsg::quitEvt()));
+		QCoreApplication::postEvent(obj2,new QEvent(TestMsg::quitEvt()));
 	});
 
 	QThread::msleep(1000);
+	QCoreApplication::processEvents();
 
-
-	QCoreApplication::postEvent(obj1,new QEvent(TestEvent::startSig()));
+	QCoreApplication::postEvent(obj1,new QEvent(TestMsg::startSig()));
 
 	a.processEvents();
 
 	thread1->wait();
 	thread2->wait();
 
+	QThread::msleep(1000);
+
+	obj1->runDirectCall();
+
 	printf("Finished.\n");
 
+	thread1->deleteLater();
+	thread2->deleteLater();
+	obj1->deleteLater();
+	obj2->deleteLater();
+	QThread::msleep(1000);
+	QCoreApplication::processEvents();
 
 	return 0;
 }

qt_event_signal/testevent.cpp

 #include "testevent.h"
 #include <QDebug>
 //Regisit a event
-QEvent::Type TestEvent::m_testEvt = (QEvent::Type)QEvent::registerEventType();
-QEvent::Type TestEvent::m_startEvt = (QEvent::Type)QEvent::registerEventType();
-QEvent::Type TestEvent::m_startSig = (QEvent::Type)QEvent::registerEventType();
-QEvent::Type TestEvent::m_quit = (QEvent::Type)QEvent::registerEventType();
+QEvent::Type TestMsg::m_testEvt = (QEvent::Type)QEvent::registerEventType();
+QEvent::Type TestMsg::m_startEvt = (QEvent::Type)QEvent::registerEventType();
+QEvent::Type TestMsg::m_startSig = (QEvent::Type)QEvent::registerEventType();
+QEvent::Type TestMsg::m_quit = (QEvent::Type)QEvent::registerEventType();
 
-TestEvent::TestEvent(clock_t clk)
+TestMsg::TestMsg(clock_t clk)
 	:QEvent(m_testEvt)
 	,m_clk(clk)
 {
 
 }
-TestEvent::~TestEvent()
+TestMsg::~TestMsg()
 {
 	//qDebug()<<"Destory";
 }

qt_event_signal/testevent.h

@@ -3,7 +3,8 @@
 
 #include <QEvent>
 #include <time.h>
-class TestEvent : public QEvent
+#include <QString>
+class TestMsg : public QEvent
 {
 private:
 	static QEvent::Type m_testEvt;
@@ -11,10 +12,18 @@ private:
 	static QEvent::Type m_startSig;
 	static QEvent::Type m_quit;
 	clock_t m_clk = 0;
+	QString m_dummyLongStr;
 public:
-	TestEvent(clock_t clk);
-	~TestEvent();
+	TestMsg(clock_t clk);
+	~TestMsg();
 	inline clock_t clock() {return m_clk;}
+	inline void fillStr(int len)
+	{
+		for (int i=0;i<len;++i)
+		{
+			m_dummyLongStr.push_back((char)(i*37%64+32));
+		}
+	}
 public:
 	static inline QEvent::Type type() {return m_testEvt;}
 	static inline QEvent::Type startEvt() {return m_startEvt;}

qt_event_signal/testobj.cpp

@@ -3,8 +3,8 @@
 #include <QCoreApplication>
 #include <QTextStream>
 #include <QThread>
-static const int testCounts = 100000;
-
+static const int testCounts = 10000;
+static const int fillStrLen = 1024;
 TestObj::TestObj(QObject *parent)
 	: QObject{parent}
 {
@@ -13,16 +13,17 @@ TestObj::TestObj(QObject *parent)
 
 void TestObj::customEvent(QEvent * evt)
 {
-	if (evt->type()==TestEvent::type())
+	if (evt->type()==TestMsg::type())
 	{
 		clock_t curr_clk = clock();
 		if (m_nFirstClkEvt==-1)
 			m_nFirstClkEvt = curr_clk;
-		TestEvent * e = dynamic_cast<TestEvent *>(evt);
+		TestMsg * e = dynamic_cast<TestMsg *>(evt);
 		if (e)
 		{
 			clock_t delay = curr_clk - e->clock();
 			m_nDelay_Evts += delay;
+			e->fillStr(fillStrLen);
 			++m_nCount_Evts;
 		}
 		if (m_nEmittedEvts<=testCounts)
@@ -43,7 +44,7 @@ void TestObj::customEvent(QEvent * evt)
 		if (m_buddy->m_nCount_Evts>testCounts && m_nCount_Evts>testCounts )
 			emit evt_finished();
 	}
-	else if (evt->type()==TestEvent::startEvt())
+	else if (evt->type()==TestMsg::startEvt())
 	{
 		m_nCount_Evts = 0;
 		m_nDelay_Evts = 0;
@@ -58,7 +59,7 @@ void TestObj::customEvent(QEvent * evt)
 		}
 		next_event();
 	}
-	else if (evt->type()==TestEvent::startSig())
+	else if (evt->type()==TestMsg::startSig())
 	{
 		m_nCount_Sigs = 0;
 		m_nDelay_Sigs = 0;
@@ -73,7 +74,7 @@ void TestObj::customEvent(QEvent * evt)
 		}
 		next_signal();
 	}
-	else if (evt->type()==TestEvent::quitEvt())
+	else if (evt->type()==TestMsg::quitEvt())
 	{
 		thread()->quit();
 	}
@@ -86,14 +87,13 @@ void TestObj::test_slot16(QEvent * evt)
 	if (m_nFirstClkSig==-1)
 		m_nFirstClkSig = curr_clk;
 
-	TestEvent * e = dynamic_cast<TestEvent *>(evt);
+	TestMsg * e = dynamic_cast<TestMsg *>(evt);
 	if (e)
 	{
 		clock_t delay = curr_clk - e->clock();
-		m_nDelay_Evts += delay;
-		++m_nCount_Evts;
 		m_nDelay_Sigs += delay;
 		++m_nCount_Sigs;
+		e->fillStr(fillStrLen);
 		if (m_nEmittedSigs<=testCounts)
 			next_signal();
 		if (m_nCount_Sigs==testCounts)
@@ -116,7 +116,7 @@ void TestObj::test_slot16(QEvent * evt)
 
 void TestObj::next_signal()
 {
-	emit test_sig16(new TestEvent(clock()));
+	emit test_sig16(new TestMsg(clock()));
 	++m_nEmittedSigs;
 }
 void TestObj::next_event()
@@ -124,5 +124,45 @@ void TestObj::next_event()
 	if (!m_buddy)
 		return;
 	++m_nEmittedEvts;
-	QCoreApplication::postEvent(m_buddy,new TestEvent(clock()));
+	QCoreApplication::postEvent(m_buddy,new TestMsg(clock()));
+}
+void TestObj::runDirectCall()
+{
+	m_nCount_Dir = 0;
+	m_nDelay_Dir = 0;
+	m_nFirstClkDir = -1;
+	printf("Test Direct Call...\n");
+	for (int i=0;i<testCounts;++i)
+	{
+		direct_call(new TestMsg(clock()));
+	}
+}
+void TestObj::direct_call(QEvent * evt)
+{
+	clock_t curr_clk = clock();
+	if (m_nFirstClkDir==-1)
+		m_nFirstClkDir = curr_clk;
+
+	TestMsg * e = dynamic_cast<TestMsg *>(evt);
+	if (e)
+	{
+		clock_t delay = curr_clk - e->clock();
+		m_nDelay_Dir += delay;
+		++m_nCount_Dir;
+		e->fillStr(fillStrLen);
+		if (m_nCount_Dir==testCounts)
+		{
+			QTextStream strm(stdout);
+			strm << objectName()<< QString().asprintf(" (%llX) run %d Direct Calls, total costs %.2lf ms, AVG cost %.2lf us / test, AVG delay=%.2lf us.\n"
+													   ,(unsigned long long)this
+													   ,(int)(m_nCount_Dir)
+													   ,1e3 * (curr_clk - m_nFirstClkDir) / CLOCKS_PER_SEC
+													   ,1e6 * (curr_clk - m_nFirstClkDir) / CLOCKS_PER_SEC / testCounts
+													   ,1e6 * m_nDelay_Dir/ CLOCKS_PER_SEC / m_nCount_Dir
+													   );
+			strm.flush();
+		}
+		delete e;
+	}
+
 }

qt_event_signal/testobj.h

@@ -13,6 +13,7 @@ public:
 		m_buddy = buddy;
 		buddy->m_buddy = this;
 	}
+	void runDirectCall();
 public slots:
 	void test_slot1(QEvent * evt){}
 	void test_slot2(QEvent * evt){}
@@ -80,6 +81,10 @@ private:
 	clock_t m_nFirstClkEvt = -1;
 	quint32 m_nCount_Evts = 0;
 	clock_t m_nDelay_Evts = 0;
+
+	clock_t m_nFirstClkDir = -1;
+	quint32 m_nCount_Dir = 0;
+	clock_t m_nDelay_Dir = 0;
 private:
 	quint32 m_nEmittedSigs  = 0;
 	quint32 m_nEmittedEvts  = 0;
@@ -87,6 +92,8 @@ private:
 private:
 	void next_signal();
 	void next_event();
+private:
+	void direct_call(QEvent * evt);
 };
 
 #endif // TESTOBJ_H