.. _program_listing_file_include_embers_amdgpu_realtime.h:

Program Listing for File realtime.h
===================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_embers_amdgpu_realtime.h>` (``include/embers/amdgpu/realtime.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   /* Copyright © 2020 Advanced Micro Devices, Inc. All rights reserved */
   
   #ifndef _EMBERS_AMDGPU_REALTIME_H_
   #define _EMBERS_AMDGPU_REALTIME_H_
   
   #include <cstdint>
   
   namespace embers
   {
   namespace amdgpu
   {
   
   __device__ inline void get_realtime(uint64_t *count)
   {
   #if defined(__gfx1100__) || defined(__gfx1101__) || defined(__gfx1102__) || defined(__gfx1103__)
     asm volatile("s_sendmsg_rtn_b64 %0 0x83\n s_waitcnt lgkmcnt(0)" : "=s"(count)::);
   #else
     asm volatile("s_memrealtime %0\n s_waitcnt lgkmcnt(0)" : "=s"(count)::);
   #endif
   }
   
   }  // namespace amdgpu
   }  // namespace embers
   #endif  // _EMBERS_AMDGPU_REALTIME_H_