int recursiveOperation(int someValue)
{
CXXPROF_ACTIVITY("recursiveOperation");
//Adding PlotValues helps us to see how the application is handling the change of values over time
CXXPROF_PLOT("SomeValue", someValue);
if (someValue == 3)
{
//Let's add some complexity by sleeping a bit when someValue reaches 3
CXXPROF_ACTIVITY("recursiveOperation::middle");
longOperation(200.0);
}
if(someValue < 5) //do recursion until the value hits 5
{
//just sleep a bit to simulate something costly going on here...
longOperation(50.0);
someValue = recursiveOperation(++someValue);
}
return someValue;
}
int main( ) {
longOperation(updateProgress); // ok
}
int main()
{
//Initialize CxxProf first
CXXPROF_INIT();
CXXPROF_PROCESS_ALIAS("cxxprof_howto");
CXXPROF_THREAD_ALIAS("MainThread");
//Measure how long the rest of this main() takes
CXXPROF_ACTIVITY("main");
//Add a mark for a better overview of which state the application is currently in
CXXPROF_MARK("LongOperation start");
longOperation(1000.0);
longOperation(800.0);
//Start some LoopOperations in extra Threads
CXXPROF_MARK("Threading start");
std::vector< boost::shared_ptr<boost::thread> > threads;
for (unsigned int index = 0; index < NUM_THREADS; ++index)
{
//create a new thread which waits 100 millisecs
//NOTE: Do not set a Thread Alias here. Brofiler will generate something automatically
boost::shared_ptr<boost::thread> newThread( new boost::thread(boost::bind(longOperation, 100.0)) );
threads.push_back(newThread);
}
//As long as the threads are running let's do the recursive test
//This should result in some activities which are stacked upon each other
CXXPROF_MARK("RecursiveOperation start");
recursiveOperation(1);
//This test conditional statements
CXXPROF_MARK_COND("Conditional Test Start - true", true);
CXXPROF_MARK_COND("Conditional Test Start - false", false);
{
CXXPROF_ACTIVITY_COND("ActCondTest - true", true);
CXXPROF_ACTIVITY_COND("ActCondTest - false", false);
CXXPROF_PLOT_COND("PlotCondTest - true", 1.0, true);
CXXPROF_PLOT_COND("PlotCondTest - false", 1.0, false);
}
//Now let's wait until the loopThreads are finished
std::vector<boost::shared_ptr<boost::thread> >::iterator threadIter = threads.begin();
for (; threadIter != threads.end(); ++threadIter)
{
(*threadIter)->join();
}
//Here it is demonstrated that we can also create multiple Activities in the same scope
CXXPROF_MARK("ScopeTest start");
{
CXXPROF_ACTIVITY("scopeTest");
CXXPROF_ACTIVITY("scopeTest");
}
//Shutdown the CxxProf cleanly
//This ends the 'main' activity and everything else which is still running (probably the scopeTest)
//It also takes care of sending the data which hasn't been sent yet
CXXPROF_SHUTDOWN();
return 0;
}