rocm-systems/projects/rocprofiler/src/core/gpu_command.cpp

/******************************************************************************
Copyright (c) 2018 Advanced Micro Devices, Inc. All rights reserved.

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#include "gpu_command.h"

#include <hsa/hsa.h>

#include <map>

#include "core/profile.h"
#include "util/exception.h"
#include "util/hsa_rsrc_factory.h"

namespace rocprofiler {
size_t CreateGpuCommand(gpu_cmd_op_t op, const rocprofiler::util::AgentInfo* agent_info,
                        packet_t* command, const size_t& slot_count) {
  if (op >= NUMBER_GPU_CMD_OP) EXC_RAISING(HSA_STATUS_ERROR, "bad op value (" << op << ")");

  const bool is_legacy = (strncmp(agent_info->name, "gfx8", 4) == 0);
  const size_t packet_count = (is_legacy) ? Profile::LEGACY_SLOT_SIZE_PKT : 1;

  rocprofiler::util::HsaRsrcFactory* hsa_rsrc = &rocprofiler::util::HsaRsrcFactory::Instance();

  if (packet_count > slot_count) EXC_RAISING(HSA_STATUS_ERROR, "packet_count > slot_count");

  // AQLprofile object
  hsa_ven_amd_aqlprofile_profile_t profile{};
  profile.agent = agent_info->dev_id;
  // Query for cmd buffer size
  hsa_ven_amd_aqlprofile_info_type_t info_type =
      (hsa_ven_amd_aqlprofile_info_type_t)((int)HSA_VEN_AMD_AQLPROFILE_INFO_ENABLE_CMD + (int)op);
  hsa_status_t status =
      hsa_rsrc->AqlProfileApi()->hsa_ven_amd_aqlprofile_get_info(&profile, info_type, NULL);
  if (status != HSA_STATUS_SUCCESS)
    EXC_RAISING(status, "get_info(ENABLE_CMD ).size exc, op(" << int(op) << ")");
  if (profile.command_buffer.size == 0) EXC_RAISING(status, "get_info(ENABLE_CMD).size == 0");
  // Allocate cmd buffer
  const size_t aligment_mask = 0x100 - 1;
  profile.command_buffer.ptr = hsa_rsrc->AllocateSysMemory(agent_info, profile.command_buffer.size);
  if ((reinterpret_cast<uintptr_t>(profile.command_buffer.ptr) & aligment_mask) != 0) {
    EXC_RAISING(status, "profile.command_buffer.ptr bad alignment");
  }

  // Generating cmd packet
  if (is_legacy) {
    packet_t packet{};

    // Query for cmd buffer data
    status =
        hsa_rsrc->AqlProfileApi()->hsa_ven_amd_aqlprofile_get_info(&profile, info_type, &packet);
    if (status != HSA_STATUS_SUCCESS) EXC_RAISING(status, "get_info(ENABLE_CMD).data exc");

    // Check for legacy GFXIP
    status = hsa_rsrc->AqlProfileApi()->hsa_ven_amd_aqlprofile_legacy_get_pm4(&packet, command);
    if (status != HSA_STATUS_SUCCESS)
      AQL_EXC_RAISING(status, "hsa_ven_amd_aqlprofile_legacy_get_pm4");
  } else {
    // Query for cmd buffer data
    status =
        hsa_rsrc->AqlProfileApi()->hsa_ven_amd_aqlprofile_get_info(&profile, info_type, command);
    if (status != HSA_STATUS_SUCCESS) EXC_RAISING(status, "get_info(ENABLE_CMD).data exc");
  }

  // Return cmd packet data size
  return (packet_count * sizeof(packet_t));
}

struct gpu_cmd_entry_t {
  packet_t command[Profile::LEGACY_SLOT_SIZE_PKT];
  uint32_t size;
};
struct gpu_cmd_key_t {
  gpu_cmd_op_t op;
  uint32_t node_id;
};
struct gpu_cmd_fncomp_t {
  bool operator()(const gpu_cmd_key_t& a, const gpu_cmd_key_t& b) const {
    return (a.op < b.op) || ((a.op == b.op) && (a.node_id < b.node_id));
  }
};
typedef std::map<gpu_cmd_key_t, gpu_cmd_entry_t, gpu_cmd_fncomp_t> gpu_cmd_map_t;

size_t GetGpuCommand(gpu_cmd_op_t op, const rocprofiler::util::AgentInfo* agent_info,
                     packet_t** command_out) {
  thread_local gpu_cmd_map_t map;

  // Getting NUMA node id
  uint32_t node_id = 0;
  hsa_agent_info_t attribute = static_cast<hsa_agent_info_t>(HSA_AGENT_INFO_NODE);
  hsa_status_t status = hsa_agent_get_info(agent_info->dev_id, attribute, &node_id);
  if (status != HSA_STATUS_SUCCESS) EXC_RAISING(status, "hsa_agent_get_info failed");

  // Query/create a command
  auto ret = map.insert({gpu_cmd_key_t{op, node_id}, gpu_cmd_entry_t{}});
  gpu_cmd_map_t::iterator it = ret.first;
  if (ret.second) {
    it->second.size =
        CreateGpuCommand(op, agent_info, it->second.command, Profile::LEGACY_SLOT_SIZE_PKT);
  }

  *command_out = it->second.command;
  return it->second.size;
}

}  // namespace rocprofiler