TheRock/rocm-systems/projects/rocr-debug-agent/test/print_all_waves.cpp

/* The University of Illinois/NCSA
   Open Source License (NCSA)

   Copyright (c) 2025, Advanced Micro Devices, Inc. All rights reserved.

   Permission is hereby granted, free of charge, to any person obtaining a copy
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   and/or sell copies of the Software, and to permit persons to whom the
   Software is furnished to do so, subject to the following conditions:

    - Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimers.
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      notice, this list of conditions and the following disclaimers in
      the documentation and/or other materials provided with the distribution.
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      nor the names of its contributors may be used to endorse or promote
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   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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#include "util.h"
#include <hip/hip_runtime.h>

__global__ void
print_all_waves_kern ()
{
  __syncthreads ();
  if (threadIdx.x == 0)
    {
      volatile int *k = nullptr;
      *k = 8;
    }
  /* Make sure that by the time the debug agent prints all the waves following
     the abort, other waves in the workgroup are still present.  */
  __syncthreads ();
}

void
PrintAllWavesTest ()
{
  hipError_t err;
  int deviceId;
  err = hipGetDevice (&deviceId);
  TEST_ASSERT (err == hipSuccess, "get device ID");

  hipDeviceProp_t props;
  err = hipGetDeviceProperties (&props, deviceId);
  TEST_ASSERT (err == hipSuccess, "get device properties");

  print_all_waves_kern<<<2, props.warpSize * 4>>> ();

  err = hipDeviceSynchronize ();
  TEST_ASSERT (err == hipSuccess, "kernel error");
}