itt.h

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/*******************************************************************************
** Copyright (c) 2018 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/

#pragma once



#include "vrfutil/vrfutilDefines.h"

#ifdef USE_VTUNE_ITT_API
   #include <ittnotify.h>

   extern DT_DLL_vrfutil const bool theITTEnabledFlag;
#else

   typedef void __itt_domain;
   typedef void __itt_string_handle;

   struct __itt_id { };

   #define __itt_null __itt_id()
#endif

   template <typename Char>
   inline void Dt__itt_thread_set_name(const Char* name)
   {
#ifdef USE_VTUNE_ITT_API
      if (theITTEnabledFlag)
      {
         __itt_thread_set_name(name);
      }
#endif
   }

   template <typename Char>
   inline __itt_domain* Dt__itt_domain_create(const Char* name)
   {
#ifdef USE_VTUNE_ITT_API
      if (theITTEnabledFlag)
      {
         return __itt_domain_create(name);
      }
#endif

      return 0;
   }

   template <typename Char>
   inline __itt_string_handle* Dt__itt_string_handle_create(const Char* name)
   {
#ifdef USE_VTUNE_ITT_API
      if (theITTEnabledFlag)
      {
         return __itt_string_handle_create(name);
      }
#endif

      return 0;
   }

   inline void Dt__itt_frame_begin_v3(const __itt_domain* domain, __itt_id* id)
   {
#ifdef USE_VTUNE_ITT_API
      if (theITTEnabledFlag)
      {
         __itt_frame_begin_v3(domain, id);
      }
#endif
   }

   inline void Dt__itt_frame_end_v3(const __itt_domain* domain, __itt_id* id)
   {
#ifdef USE_VTUNE_ITT_API
      if (theITTEnabledFlag)
      {
         __itt_frame_end_v3(domain, id);
      }
#endif
   }

   inline void Dt__itt_task_begin(
      const __itt_domain* domain, __itt_id id, __itt_id parent, __itt_string_handle* name)
   {
#ifdef USE_VTUNE_ITT_API
      if (theITTEnabledFlag)
      {
         __itt_task_begin(domain, id, parent, name);
      }
#endif
   }

   inline void Dt__itt_task_end(const __itt_domain* domain)
   {
#ifdef USE_VTUNE_ITT_API
      if (theITTEnabledFlag)
      {
         __itt_task_end(domain);
      }
#endif
   }

   class DtITTTask
   {
   public:
      DtITTTask(const __itt_domain* domain, __itt_string_handle* id)
         : domain(domain)
      {
         Dt__itt_task_begin(domain, __itt_null, __itt_null, id);
      }

      ~DtITTTask()
      {
         Dt__itt_task_end(domain);
      }

   private:
      const __itt_domain* domain;
   };

#define DtVRF_ITT_PROFILE(domain, name) DtITTTask _itt_profile_node##__LINE__(domain, name);