profiler.h

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/*********************************************************************************
** Copyright (c) 2014 MAK Technologies, Inc.
** All rights reserved.
*********************************************************************************/


#pragma once

#include "vrfutil/vrfutilDefines.h"
#include "vrfutil/profileManager.h"

#include <boost/type_traits/integral_constant.hpp>

//easy to use macro to profile a section, only active in profile or debug builds
#define DtVRF_PROFILE_RESTRICTED(name, target) makVrf::DtProfileTarget<target> _profileTarget##line(name);
#define DtVRF_PROFILE(name) DtVRF_PROFILE_X(name, __LINE__, makVrf::DtProfileNode::ENONE)
#define DtVRF_PROFILE_FILE(name) DtVRF_PROFILE_X(name, __LINE__, makVrf::DtProfileNode::EVIRTUAL)
#define DtVRF_PROFILE_X(name, line, attr) DtVRF_PROFILE_ACTUAL(name, line, attr)
#define DtVRF_PROFILE_ACTUAL(name, line, attr) makVrf::DtProfileSample _profileSample##line(name, attr);

namespace makVrf
{
   class DT_DLL_vrfutil DtProfileSample 
   {
   public:
      explicit DtProfileSample(
         const char* name = 0, DtProfileNode::Attributes = DtProfileNode::ENONE);
      explicit DtProfileSample(
         const std::string& n, DtProfileNode::Attributes = DtProfileNode::ENONE);

      ~DtProfileSample();

   private:
      bool enabled;
      const char* name;
      const DtProfileNode::Attributes attr;
      DtProfileTimestamp start;
   };

   template <bool Enabled>
   class DtProfileTarget
   {
   public:
      explicit DtProfileTarget(
         const char* name = 0,
         DtProfileNode::Attributes = DtProfileNode::ENONE) {}

      void reset(const char* = 0) {}
   };

   template <>
   class DtProfileTarget<true> : public DtProfileSample
   {
   public:
      explicit DtProfileTarget(
         const char* name = 0,
         DtProfileNode::Attributes attr = DtProfileNode::ENONE)
         : DtProfileSample(name, attr) { }
   };
}