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// -*- C++ -*-
//
// Package:    Profiler
// Class:      Profiler
// 
//
// Original Author:  Andrea Rizzi
//         Created:  Thu Jan 18 10:34:18 CET 2007
// $Id: CallgrindAnalyzer.cc,v 1.4 2009/12/14 22:23:27 wmtan Exp $
//
//


// system include files
#include <memory>

// user include files
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/EDAnalyzer.h"

#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"

#include "FWCore/ParameterSet/interface/ParameterSet.h"


#include "valgrind/callgrind.h"
//
// class declaration
//
#include <iostream>
using namespace std;
class Profiler : public edm::EDAnalyzer {
public:
  explicit Profiler(const edm::ParameterSet&);
  ~Profiler();


private:
  virtual void beginJob() ;
  virtual void analyze(const edm::Event&, const edm::EventSetup&);
  virtual void endJob() ;
  
  // ----------member data ---------------------------
      int m_firstEvent;
      int m_lastEvent;
      int m_action;
      int m_evtCount;
};

//
// constants, enums and typedefs
//

//
// static data member definitions
//

//
// constructors and destructor
//
Profiler::Profiler(const edm::ParameterSet& parameters)
{
   //now do what ever initialization is needed
   m_firstEvent         = parameters.getParameter<int>("firstEvent");
   m_lastEvent          = parameters.getParameter<int>("lastEvent");
   m_action             = parameters.getParameter<int>("action");
   m_evtCount=0;

}


Profiler::~Profiler()
{
 
   // do anything here that needs to be done at desctruction time
   // (e.g. close files, deallocate resources etc.)

}


//
// member functions
//

// ------------ method called to for each event  ------------
void
Profiler::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup)
{
m_evtCount++;
if(m_evtCount >= m_firstEvent && (m_evtCount <= m_lastEvent || m_lastEvent == -1))
 {
  switch (m_action)
  {
   case 0: 
     CALLGRIND_STOP_INSTRUMENTATION;
     cout << "Stop Instr" << endl; 
     break;
   case 1:
     CALLGRIND_START_INSTRUMENTATION;
     CALLGRIND_DUMP_STATS;
     cout << "Start Instr" << endl; 
     break;
   case 2:
     CALLGRIND_DUMP_STATS;
     cout << "Dump stat" << endl; 
     break;
 
  }

 }
}


// ------------ method called once each job just before starting event loop  ------------
void 
Profiler::beginJob()
{
}

// ------------ method called once each job just after ending the event loop  ------------
void 
Profiler::endJob() {
}

//define this as a plug-in
DEFINE_FWK_MODULE(Profiler);