rocm-systems/test/app/test.cpp

/******************************************************************************
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#include <dirent.h>
#include <hsa.h>
#include <hsakmt.h>
#include <stdio.h>
#include <string.h>

#include <fstream>
#include <iostream>
#include <thread>

#include "ctrl/run_kernel.h"
#include "ctrl/test_aql.h"
#include "dummy_kernel/dummy_kernel.h"
#include "simple_convolution/simple_convolution.h"

int get_gpu_node_id() {
  int gpu_node = - 1;

#if 0
  // find a valid gpu node from /sys/class/kfd/kfd/topology/nodes
  std::string path = "/sys/class/kfd/kfd/topology/nodes";
  DIR *dir;
  struct dirent *ent;

  if ((dir = opendir(path.c_str())) != NULL) {
    while ((ent = readdir(dir)) != NULL) {

      std::string dir = ent->d_name;

      if (dir.find_first_not_of("0123456789") == std::string::npos) {
        std::string file = path + "/" + ent->d_name + "/gpu_id";
        std::ifstream infile(file);
        int id;

        infile >> id;
        if (id != 0) {
          gpu_node = atoi(ent->d_name);
          break;
        }
      }
    }
    closedir (dir);
  }
#else
  HsaSystemProperties m_SystemProperties;
  memset(&m_SystemProperties, 0, sizeof(m_SystemProperties));

  HSAKMT_STATUS status = hsaKmtAcquireSystemProperties(&m_SystemProperties);
  if (status != HSAKMT_STATUS_SUCCESS) {
    std::cerr << "Error in hsaKmtAcquireSystemProperties"<< std::endl;
    return 1;
  }

  // tranverse all CPU and GPU nodes and break when a GPU node is found
  for (unsigned i = 0; i < m_SystemProperties.NumNodes; ++i) {
    HsaNodeProperties nodeProperties;
    memset(&nodeProperties, 0, sizeof(HsaNodeProperties));

    status = hsaKmtGetNodeProperties(i, &nodeProperties);
    if (status != HSAKMT_STATUS_SUCCESS) {
      std::cerr << "Error in hsaKmtAcquireSystemProperties"<< std::endl;
      break;
    } else if(nodeProperties.NumFComputeCores) {
      gpu_node = i;
      break;
    }
  }
#endif

  printf ("GPU node id(%d)\n", gpu_node);
  return gpu_node;
}

void thread_fun(const int kiter, const int diter, const uint32_t agents_number) {
  const AgentInfo* agent_info[agents_number];
  hsa_queue_t* queue[agents_number];
  HsaRsrcFactory* rsrc = &HsaRsrcFactory::Instance();

  for (uint32_t n = 0; n < agents_number; ++n) {
    uint32_t agent_id = n % rsrc->GetCountOfGpuAgents();
    if (rsrc->GetGpuAgentInfo(agent_id, &agent_info[n]) == false) {
      fprintf(stderr, "AgentInfo failed\n");
      abort();
    }
    if (rsrc->CreateQueue(agent_info[n], 128, &queue[n]) == false) {
      fprintf(stderr, "CreateQueue failed\n");
      abort();
    }
  }

  for (int i = 0; i < kiter; ++i) {
    for (uint32_t n = 0; n < agents_number; ++n) {
      // RunKernel<DummyKernel, TestAql>(0, NULL, agent_info[n], queue[n], diter);
      RunKernel<SimpleConvolution, TestAql>(0, NULL, agent_info[n], queue[n], diter);
    }
  }

  for (uint32_t n = 0; n < agents_number; ++n) {
    hsa_queue_destroy(queue[n]);
  }
}

int main(int argc, char** argv) {
  const char* kiter_s = getenv("ROCP_KITER");
  const char* diter_s = getenv("ROCP_DITER");
  const char* agents_s = getenv("ROCP_AGENTS");
  const char* thrs_s = getenv("ROCP_THRS");
  const char* spm_enabled = getenv("ROCP_SPM");
  int gpu_node_id = -1;

  const int kiter = (kiter_s != NULL) ? atol(kiter_s) : 1;
  const int diter = (diter_s != NULL) ? atol(diter_s) : 1;
  const uint32_t agents_number = (agents_s != NULL) ? (uint32_t)atol(agents_s) : 1;
  const int thrs = (thrs_s != NULL) ? atol(thrs_s) : 1;

  if (spm_enabled != NULL) {
    if (hsa_init() != HSA_STATUS_SUCCESS) {
      std::cerr << "Error in hsa_init()" << std::endl;
      return 1;
    }
    gpu_node_id = get_gpu_node_id();
    if (gpu_node_id == -1) {
      std::cerr << "Error in get_gpu_node_id()" << std::endl;
      return 1;
    }
    HSAKMT_STATUS status = hsaKmtEnableDebugTrap(gpu_node_id, INVALID_QUEUEID);
    if (status != HSAKMT_STATUS_SUCCESS) {
      std::cerr << "Error in enabling debug trap" << std::endl;
      return 1;
    }
  }

  TestHsa::HsaInstantiate();

  std::vector<std::thread> t(thrs);
  for (int n = 0; n < thrs; ++n) {
    t[n] = std::thread(thread_fun, kiter, diter, agents_number);
  }
  for (int n = 0; n < thrs; ++n) {
    t[n].join();
  }

  if (spm_enabled != NULL) {
    if (gpu_node_id == -1) {
      std::cerr << "Invalid GPU node id" << std::endl;
      return 1;
    }
    HSAKMT_STATUS status = hsaKmtDisableDebugTrap(gpu_node_id);
    if (status != HSAKMT_STATUS_SUCCESS) {
      std::cerr << "Error in disabling debug" << std::endl;
      return 1;
    }
  }

  TestHsa::HsaShutdown();
  return 0;
}