/* Copyright (c) 2022 Advanced Micro Devices, Inc.

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, 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:

 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE. */

#include "hsa_support.h"

#include <hsa/amd_hsa_signal.h>
#include <hsa/hsa.h>
#include <hsa/hsa_ven_amd_loader.h>
#include <hsa/hsa_ext_amd.h>

#include <mutex>
#include <optional>
#include <unordered_map>
#include <unordered_set>
#include <string>
#include <atomic>
#include <cstdint>
#include <cstring>

#include <map>
#include <memory>
#include <mutex>
#include <string>
#include <unordered_map>
#include <utility>
#include <vector>
#include <linux/limits.h>

#include "core/hardware/hsa_info.h"
#include "src/core/session/tracer/src/correlation_id.h"
#include "src/core/session/tracer/src/exception.h"
#include "src/core/session/tracer/src/roctracer.h"
#include "src/utils/helper.h"
#include "src/core/hsa/queues/queue.h"
#include "src/api/rocprofiler_singleton.h"
#include "src/core/isa_capture/code_object_track.hpp"


namespace {

hsa_status_t hsa_executable_iteration_callback(hsa_executable_t executable, hsa_agent_t agent,
                                               hsa_executable_symbol_t symbol, void* args) {
  hsa_symbol_kind_t type;
  rocprofiler::HSASupport_Singleton& hsasupport_singleton =
      rocprofiler::HSASupport_Singleton::GetInstance();
  hsasupport_singleton.GetCoreApiTable().hsa_executable_symbol_get_info_fn(
      symbol, HSA_EXECUTABLE_SYMBOL_INFO_TYPE, &type);
  if (type == HSA_SYMBOL_KIND_KERNEL) {
    uint32_t name_length;
    hsasupport_singleton.GetCoreApiTable().hsa_executable_symbol_get_info_fn(
        symbol, HSA_EXECUTABLE_SYMBOL_INFO_NAME_LENGTH, &name_length);
    // TODO(aelwazir): to be removed if the HSA fixed the issue of corrupted
    // names overflowing the length given
    name_length = std::min<size_t>(name_length, PATH_MAX);
    if (name_length > 1) {
      if (!(*static_cast<bool*>(args))) {
        auto name = std::vector<char>(name_length + 1, '\0');
        uint64_t kernel_object;
        hsasupport_singleton.GetCoreApiTable().hsa_executable_symbol_get_info_fn(
            symbol, HSA_EXECUTABLE_SYMBOL_INFO_NAME, name.data());
        hsasupport_singleton.GetCoreApiTable().hsa_executable_symbol_get_info_fn(
            symbol, HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_OBJECT, &kernel_object);
        auto kernel_name = std::string{name.data()}.substr(0, name_length);
        rocprofiler::AddKernelName(kernel_object, kernel_name);
      } else {
        uint64_t kernel_object;
        hsasupport_singleton.GetCoreApiTable().hsa_executable_symbol_get_info_fn(
            symbol, HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_OBJECT, &kernel_object);
        rocprofiler::RemoveKernelName(kernel_object);
      }
    }
  }

  return HSA_STATUS_SUCCESS;
}

std::atomic<int (*)(rocprofiler_tracer_activity_domain_t domain, uint32_t operation_id, void* data)>
    report_activity;

bool IsEnabled(rocprofiler_tracer_activity_domain_t domain, uint32_t operation_id) {
  auto report = report_activity.load(std::memory_order_relaxed);
  return report && report(domain, operation_id, nullptr) == 0;
}

void ReportActivity(rocprofiler_tracer_activity_domain_t domain, uint32_t operation_id,
                    void* data) {
  if (auto report = report_activity.load(std::memory_order_relaxed))
    report(domain, operation_id, data);
}

}  // namespace

#include "hsa_prof_str.inline.h"

namespace roctracer::hsa_support {

namespace {

class Tracker {
 public:
  enum { ENTRY_INV = 0, ENTRY_INIT = 1, ENTRY_COMPL = 2 };

  enum entry_type_t {
    DFLT_ENTRY_TYPE = 0,
    API_ENTRY_TYPE = 1,
    COPY_ENTRY_TYPE = 2,
    KERNEL_ENTRY_TYPE = 3,
    NUM_ENTRY_TYPE = 4
  };

  struct entry_t {
    std::atomic<uint32_t> valid;
    entry_type_t type;
    uint64_t correlation_id;
    roctracer_timestamp_t begin;  // begin timestamp, ns
    roctracer_timestamp_t end;    // end timestamp, ns
    hsa_agent_t agent;
    uint32_t dev_index;
    hsa_signal_t orig;
    hsa_signal_t signal;
    void (*handler)(const entry_t*);
    union {
      struct {
        hsa_agent_t dst_agent;
      } copy;
      struct {
        const char* name;
        hsa_agent_t agent;
        uint32_t tid;
      } kernel;
    };
  };

  // Add tracker entry
  inline static void Enable(entry_type_t type, const hsa_agent_t& agent, const hsa_signal_t& signal,
                            entry_t* entry) {
    hsa_status_t status = HSA_STATUS_ERROR;

    // Creating a new tracker entry
    entry->type = type;
    entry->agent = agent;
    entry->dev_index = 0;  // hsa_rsrc->GetAgentInfo(agent)->dev_index;
    entry->orig = signal;
    entry->valid.store(ENTRY_INIT, std::memory_order_release);
    rocprofiler::HSASupport_Singleton& hsasupport_singleton =
        rocprofiler::HSASupport_Singleton::GetInstance();
    // Creating a proxy signal
    status =
        hsasupport_singleton.GetCoreApiTable().hsa_signal_create_fn(1, 0, NULL, &(entry->signal));
    if (status != HSA_STATUS_SUCCESS) rocprofiler::fatal("hsa_signal_create failed");
    status = hsasupport_singleton.GetAmdExtTable().hsa_amd_signal_async_handler_fn(
        entry->signal, HSA_SIGNAL_CONDITION_LT, 1, Handler, entry);
    if (status != HSA_STATUS_SUCCESS) rocprofiler::fatal("hsa_amd_signal_async_handler failed");
  }

  // Delete tracker entry
  inline static void Disable(entry_t* entry) {
    rocprofiler::HSASupport_Singleton::GetInstance().GetCoreApiTable().hsa_signal_destroy_fn(
        entry->signal);
    entry->valid.store(ENTRY_INV, std::memory_order_release);
  }

 private:
  // Entry completion
  inline static void Complete(hsa_signal_value_t signal_value, entry_t* entry) {
    rocprofiler::HSASupport_Singleton& hsasupport_singleton =
        rocprofiler::HSASupport_Singleton::GetInstance();
    static roctracer_timestamp_t sysclock_period = []() {
      uint64_t sysclock_hz = 0;
      rocprofiler::HSASupport_Singleton& hsasupport_singleton =
          rocprofiler::HSASupport_Singleton::GetInstance();
      hsa_status_t status = hsasupport_singleton.GetCoreApiTable().hsa_system_get_info_fn(
          HSA_SYSTEM_INFO_TIMESTAMP_FREQUENCY, &sysclock_hz);
      if (status != HSA_STATUS_SUCCESS) rocprofiler::fatal("hsa_system_get_info failed");
      return (uint64_t)1000000000 / sysclock_hz;
    }();

    if (entry->type == COPY_ENTRY_TYPE) {
      hsa_amd_profiling_async_copy_time_t async_copy_time{};
      hsa_status_t status =
          hsasupport_singleton.GetAmdExtTable().hsa_amd_profiling_get_async_copy_time_fn(
              entry->signal, &async_copy_time);
      if (status != HSA_STATUS_SUCCESS)
        rocprofiler::fatal("hsa_amd_profiling_get_async_copy_time failed");
      entry->begin = async_copy_time.start * sysclock_period;
      entry->end = async_copy_time.end * sysclock_period;
    } else {
      assert(false && "should not reach here");
    }

    hsa_signal_t orig = entry->orig;
    hsa_signal_t signal = entry->signal;

    // Releasing completed entry
    entry->valid.store(ENTRY_COMPL, std::memory_order_release);

    assert(entry->handler != nullptr);
    entry->handler(entry);

    // Original intercepted signal completion
    if (orig.handle) {
      amd_signal_t* orig_signal_ptr = reinterpret_cast<amd_signal_t*>(orig.handle);
      amd_signal_t* prof_signal_ptr = reinterpret_cast<amd_signal_t*>(signal.handle);
      orig_signal_ptr->start_ts = prof_signal_ptr->start_ts;
      orig_signal_ptr->end_ts = prof_signal_ptr->end_ts;

      [[maybe_unused]] const hsa_signal_value_t new_value =
          hsasupport_singleton.GetCoreApiTable().hsa_signal_load_relaxed_fn(orig) - 1;
      assert(signal_value == new_value && "Tracker::Complete bad signal value");
      hsasupport_singleton.GetCoreApiTable().hsa_signal_store_screlease_fn(orig, signal_value);
    }
    hsasupport_singleton.GetCoreApiTable().hsa_signal_destroy_fn(signal);
    delete entry;
  }

  // Handler for packet completion
  static bool Handler(hsa_signal_value_t signal_value, void* arg) {
    // Acquire entry
    entry_t* entry = reinterpret_cast<entry_t*>(arg);
    while (entry->valid.load(std::memory_order_acquire) != ENTRY_INIT) sched_yield();

    // Complete entry
    Tracker::Complete(signal_value, entry);
    return false;
  }
};

hsa_status_t HSA_API MemoryAllocateIntercept(hsa_region_t region, size_t size, void** ptr) {
  rocprofiler::HSASupport_Singleton& hsasupport_singleton =
      rocprofiler::HSASupport_Singleton::GetInstance();
  hsa_status_t status =
      hsasupport_singleton.GetCoreApiTable().hsa_memory_allocate_fn(region, size, ptr);
  if (status != HSA_STATUS_SUCCESS) return status;

  if (IsEnabled(ACTIVITY_DOMAIN_HSA_EVT, HSA_EVT_ID_ALLOCATE)) {
    hsa_evt_data_t data{};
    data.allocate.ptr = *ptr;
    data.allocate.size = size;
    if (hsasupport_singleton.GetCoreApiTable().hsa_region_get_info_fn(
            region, HSA_REGION_INFO_SEGMENT, &data.allocate.segment) != HSA_STATUS_SUCCESS ||
        hsasupport_singleton.GetCoreApiTable().hsa_region_get_info_fn(
            region, HSA_REGION_INFO_GLOBAL_FLAGS, &data.allocate.global_flag) != HSA_STATUS_SUCCESS)
      rocprofiler::fatal("hsa_region_get_info failed");

    ReportActivity(ACTIVITY_DOMAIN_HSA_EVT, HSA_EVT_ID_ALLOCATE, &data);
  }

  return HSA_STATUS_SUCCESS;
}

hsa_status_t MemoryAssignAgentIntercept(void* ptr, hsa_agent_t agent,
                                        hsa_access_permission_t access) {
  rocprofiler::HSASupport_Singleton& hsasupport_singleton =
      rocprofiler::HSASupport_Singleton::GetInstance();
  hsa_status_t status =
      hsasupport_singleton.GetCoreApiTable().hsa_memory_assign_agent_fn(ptr, agent, access);
  if (status != HSA_STATUS_SUCCESS) return status;

  if (IsEnabled(ACTIVITY_DOMAIN_HSA_EVT, HSA_EVT_ID_DEVICE)) {
    hsa_evt_data_t data{};
    data.device.ptr = ptr;
    if (hsasupport_singleton.GetCoreApiTable().hsa_agent_get_info_fn(
            agent, HSA_AGENT_INFO_DEVICE, &data.device.type) != HSA_STATUS_SUCCESS)
      rocprofiler::fatal("hsa_agent_get_info failed");

    ReportActivity(ACTIVITY_DOMAIN_HSA_EVT, HSA_EVT_ID_DEVICE, &data);
  }

  return HSA_STATUS_SUCCESS;
}

hsa_status_t MemoryCopyIntercept(void* dst, const void* src, size_t size) {
  rocprofiler::HSASupport_Singleton& hsasupport_singleton =
      rocprofiler::HSASupport_Singleton::GetInstance();
  hsa_status_t status = hsasupport_singleton.GetCoreApiTable().hsa_memory_copy_fn(dst, src, size);
  if (status != HSA_STATUS_SUCCESS) return status;

  if (IsEnabled(ACTIVITY_DOMAIN_HSA_EVT, HSA_EVT_ID_MEMCOPY)) {
    hsa_evt_data_t data{};
    data.memcopy.dst = dst;
    data.memcopy.src = src;
    data.memcopy.size = size;

    ReportActivity(ACTIVITY_DOMAIN_HSA_EVT, HSA_EVT_ID_MEMCOPY, &data);
  }

  return HSA_STATUS_SUCCESS;
}

hsa_status_t MemoryPoolAllocateIntercept(hsa_amd_memory_pool_t pool, size_t size, uint32_t flags,
                                         void** ptr) {
  rocprofiler::HSASupport_Singleton& hsasupport_singleton =
      rocprofiler::HSASupport_Singleton::GetInstance();
  hsa_status_t status =
      hsasupport_singleton.GetAmdExtTable().hsa_amd_memory_pool_allocate_fn(pool, size, flags, ptr);
  if (size == 0 || status != HSA_STATUS_SUCCESS) return status;

  if (IsEnabled(ACTIVITY_DOMAIN_HSA_EVT, HSA_EVT_ID_ALLOCATE)) {
    hsa_evt_data_t data{};
    data.allocate.ptr = *ptr;
    data.allocate.size = size;

    if (hsasupport_singleton.GetAmdExtTable().hsa_amd_memory_pool_get_info_fn(
            pool, HSA_AMD_MEMORY_POOL_INFO_SEGMENT, &data.allocate.segment) != HSA_STATUS_SUCCESS ||
        hsasupport_singleton.GetAmdExtTable().hsa_amd_memory_pool_get_info_fn(
            pool, HSA_AMD_MEMORY_POOL_INFO_GLOBAL_FLAGS, &data.allocate.global_flag) !=
            HSA_STATUS_SUCCESS)
      rocprofiler::fatal("hsa_region_get_info failed");

    ReportActivity(ACTIVITY_DOMAIN_HSA_EVT, HSA_EVT_ID_ALLOCATE, &data);
  }

  if (IsEnabled(ACTIVITY_DOMAIN_HSA_EVT, HSA_EVT_ID_DEVICE)) {
    auto callback_data = std::make_pair(pool, ptr);
    auto agent_callback = [](hsa_agent_t agent, void* iterate_agent_callback_data) {
      auto [pool, ptr] = *reinterpret_cast<decltype(callback_data)*>(iterate_agent_callback_data);
      rocprofiler::HSASupport_Singleton& hsasupport_singleton =
          rocprofiler::HSASupport_Singleton::GetInstance();
      if (hsa_amd_memory_pool_access_t value;
          hsasupport_singleton.GetAmdExtTable().hsa_amd_agent_memory_pool_get_info_fn(
              agent, pool, HSA_AMD_AGENT_MEMORY_POOL_INFO_ACCESS, &value) != HSA_STATUS_SUCCESS ||
          value != HSA_AMD_MEMORY_POOL_ACCESS_ALLOWED_BY_DEFAULT)
        return HSA_STATUS_SUCCESS;
      rocprofiler::HSAAgentInfo& agent_info = hsasupport_singleton.GetHSAAgentInfo(agent.handle);


      hsa_evt_data_t data{};

      data.device.type = static_cast<hsa_device_type_t>(agent_info.GetType());
      if (data.device.type == HSA_DEVICE_TYPE_GPU)
        data.device.id = agent_info.GetDeviceInfo().getGPUId();
      else
        hsasupport_singleton.GetCoreApiTable().hsa_agent_get_info_fn(agent, HSA_AGENT_INFO_NODE,
                                                                     &data.device.id);

      data.device.agent = agent;
      data.device.ptr = ptr;

      ReportActivity(ACTIVITY_DOMAIN_HSA_EVT, HSA_EVT_ID_DEVICE, &data);
      return HSA_STATUS_SUCCESS;
    };
    rocprofiler::HSASupport_Singleton::GetInstance().GetCoreApiTable().hsa_iterate_agents_fn(
        agent_callback, &callback_data);
  }

  return HSA_STATUS_SUCCESS;
}

hsa_status_t MemoryPoolFreeIntercept(void* ptr) {
  if (IsEnabled(ACTIVITY_DOMAIN_HSA_EVT, HSA_EVT_ID_ALLOCATE)) {
    hsa_evt_data_t data{};
    data.allocate.ptr = ptr;
    data.allocate.size = 0;
    ReportActivity(ACTIVITY_DOMAIN_HSA_EVT, HSA_EVT_ID_ALLOCATE, &data);
  }

  if (ptr)
    return rocprofiler::HSASupport_Singleton::GetInstance()
        .GetAmdExtTable()
        .hsa_amd_memory_pool_free_fn(ptr);
  else
    return HSA_STATUS_SUCCESS;
}

// Agent allow access callback 'hsa_amd_agents_allow_access'
hsa_status_t AgentsAllowAccessIntercept(uint32_t num_agents, const hsa_agent_t* agents,
                                        const uint32_t* flags, const void* ptr) {
  rocprofiler::HSASupport_Singleton& hsasupport_singleton =
      rocprofiler::HSASupport_Singleton::GetInstance();
  hsa_status_t status = hsasupport_singleton.GetAmdExtTable().hsa_amd_agents_allow_access_fn(
      num_agents, agents, flags, ptr);
  if (status != HSA_STATUS_SUCCESS) return status;

  if (IsEnabled(ACTIVITY_DOMAIN_HSA_EVT, HSA_EVT_ID_DEVICE)) {
    while (num_agents--) {
      hsa_agent_t agent = *agents++;
      rocprofiler::HSAAgentInfo agent_info = hsasupport_singleton.GetHSAAgentInfo(agent.handle);

      hsa_evt_data_t data{};
      data.device.type = (hsa_device_type_t)(agent_info.GetType());
      // ToDo:: Fixme the device id might not be unique across CPU and GPU.
      // Along with device id, device type can be used to uniquely identify the device
      if (data.device.type == HSA_DEVICE_TYPE_GPU)
        data.device.id = agent_info.GetDeviceInfo().getGPUId();
      else
        hsasupport_singleton.GetCoreApiTable().hsa_agent_get_info_fn(agent, HSA_AGENT_INFO_NODE,
                                                                     &data.device.id);
      data.device.agent = agent;
      data.device.ptr = ptr;

      ReportActivity(ACTIVITY_DOMAIN_HSA_EVT, HSA_EVT_ID_DEVICE, &data);
    }
  }
  return HSA_STATUS_SUCCESS;
}

struct CodeObjectCallbackArg {
  activity_rtapi_callback_t callback_fun;
  void* callback_arg;
  bool unload;
};

#define CheckInfo(x) if ((x) != HSA_STATUS_SUCCESS) \
    rocprofiler::fatal("hsa_ven_amd_loader_loaded_code_object_get_info failed");

hsa_status_t CodeObjectCallback(hsa_executable_t executable,
                                hsa_loaded_code_object_t loaded_code_object, void* arg) {
  using namespace std::placeholders;
  hsa_evt_data_t data{};

  auto codeobj_info_func = rocprofiler::HSASupport_Singleton::GetInstance()
                                    .GetHSALoaderApi()
                                    .hsa_ven_amd_loader_loaded_code_object_get_info;
  auto codeobj_bound = std::bind(codeobj_info_func, loaded_code_object, _1, _2);

  CheckInfo(codeobj_bound(
    HSA_VEN_AMD_LOADER_LOADED_CODE_OBJECT_INFO_CODE_OBJECT_STORAGE_TYPE,
    &data.codeobj.storage_type
  ));

  if (data.codeobj.storage_type == HSA_VEN_AMD_LOADER_CODE_OBJECT_STORAGE_TYPE_FILE)
  {
    CheckInfo(codeobj_bound(
      HSA_VEN_AMD_LOADER_LOADED_CODE_OBJECT_INFO_CODE_OBJECT_STORAGE_FILE,
      &data.codeobj.storage_file
    ));
    if (data.codeobj.storage_file == -1)
      rocprofiler::fatal("hsa_ven_amd_loader_loaded_code_object_get_info failed");

    data.codeobj.memory_base = data.codeobj.memory_size = 0;
  }
  else if (data.codeobj.storage_type == HSA_VEN_AMD_LOADER_CODE_OBJECT_STORAGE_TYPE_MEMORY)
  {
    CheckInfo(codeobj_bound(
      HSA_VEN_AMD_LOADER_LOADED_CODE_OBJECT_INFO_CODE_OBJECT_STORAGE_MEMORY_BASE,
      &data.codeobj.memory_base
    ));
    CheckInfo(codeobj_bound(
      HSA_VEN_AMD_LOADER_LOADED_CODE_OBJECT_INFO_CODE_OBJECT_STORAGE_MEMORY_SIZE,
      &data.codeobj.memory_size
    ));
    data.codeobj.storage_file = -1;
  }
  else if (data.codeobj.storage_type == HSA_VEN_AMD_LOADER_CODE_OBJECT_STORAGE_TYPE_NONE)
  {
    return HSA_STATUS_SUCCESS;  // FIXME: do we really not care about these code objects?
  }
  else
  {
    rocprofiler::fatal("unknown code object storage type: %d", data.codeobj.storage_type);
  }

  CheckInfo(codeobj_bound(
    HSA_VEN_AMD_LOADER_LOADED_CODE_OBJECT_INFO_LOAD_BASE,
    &data.codeobj.load_base
  ));
  CheckInfo(codeobj_bound(
    HSA_VEN_AMD_LOADER_LOADED_CODE_OBJECT_INFO_LOAD_SIZE,
    &data.codeobj.load_size
  ));
  CheckInfo(codeobj_bound(
    HSA_VEN_AMD_LOADER_LOADED_CODE_OBJECT_INFO_LOAD_DELTA,
    &data.codeobj.load_delta
  ));

  CheckInfo(codeobj_bound(
    HSA_VEN_AMD_LOADER_LOADED_CODE_OBJECT_INFO_URI_LENGTH,
    &data.codeobj.uri_length
  ));

  std::string uri_str(data.codeobj.uri_length, '\0');

  CheckInfo(codeobj_bound(
    HSA_VEN_AMD_LOADER_LOADED_CODE_OBJECT_INFO_URI,
    uri_str.data()
  ));
  CheckInfo(codeobj_bound(
    HSA_VEN_AMD_LOADER_LOADED_CODE_OBJECT_INFO_AGENT,
    &data.codeobj.agent
  ));

  data.codeobj.uri = uri_str.c_str();
  data.codeobj.unload = *static_cast<bool*>(arg) ? 1 : 0;
  ReportActivity(ACTIVITY_DOMAIN_HSA_EVT, HSA_EVT_ID_CODEOBJ, &data);

  if (data.codeobj.unload)
    codeobj_capture_instance::Unload(data.codeobj.load_delta);
  else
    codeobj_capture_instance::Load(data.codeobj.load_delta, data.codeobj.load_size,
            uri_str, data.codeobj.memory_base, data.codeobj.memory_size);

  hsa_executable_iterate_agent_symbols(executable, data.codeobj.agent,
                                       hsa_executable_iteration_callback, &(data.codeobj.unload));

  return HSA_STATUS_SUCCESS;
}

hsa_status_t ExecutableFreezeIntercept(hsa_executable_t executable, const char* options) {
  rocprofiler::HSASupport_Singleton& hsasupport_singleton =
      rocprofiler::HSASupport_Singleton::GetInstance();
  hsa_status_t status =
      hsasupport_singleton.GetCoreApiTable().hsa_executable_freeze_fn(executable, options);
  if (status != HSA_STATUS_SUCCESS) return status;

  // if (IsEnabled(ACTIVITY_DOMAIN_HSA_EVT, HSA_EVT_ID_CODEOBJ)) {
  bool unload = false;
  hsasupport_singleton.GetHSALoaderApi().hsa_ven_amd_loader_executable_iterate_loaded_code_objects(
      executable, CodeObjectCallback, &unload);
  // }

  return HSA_STATUS_SUCCESS;
}

hsa_status_t ExecutableDestroyIntercept(hsa_executable_t executable) {
  // if (IsEnabled(ACTIVITY_DOMAIN_HSA_EVT, HSA_EVT_ID_CODEOBJ)) {
  bool unload = true;
  rocprofiler::HSASupport_Singleton& hsasupport_singleton =
      rocprofiler::HSASupport_Singleton::GetInstance();
  hsasupport_singleton.GetHSALoaderApi().hsa_ven_amd_loader_executable_iterate_loaded_code_objects(
      executable, CodeObjectCallback, &unload);
  // }

  return hsasupport_singleton.GetCoreApiTable().hsa_executable_destroy_fn(executable);
}

hsa_status_t GetDispatchTimestamps(hsa_agent_t agent, hsa_signal_t signal,
                                   hsa_amd_profiling_dispatch_time_t* time) {
  rocprofiler::HSASupport_Singleton& hsasupport_singleton =
      rocprofiler::HSASupport_Singleton::GetInstance();
  {
    std::lock_guard<std::mutex> lock(hsasupport_singleton.signals_timestamps_map_lock);
    auto entry = hsasupport_singleton.signals_timestamps.find(signal.handle);
    if (entry == hsasupport_singleton.signals_timestamps.end()) {
      return hsasupport_singleton.GetAmdExtTable().hsa_amd_profiling_get_dispatch_time_fn(
          agent, signal, time);
    }
    if (entry->second.time.has_value()) {
      *time = entry->second.time.value();
      return HSA_STATUS_SUCCESS;
    }
    return hsasupport_singleton.GetAmdExtTable().hsa_amd_profiling_get_dispatch_time_fn(
        agent, entry->second.new_signal, time);
  }
}

hsa_status_t DestroySignal(hsa_signal_t signal) {
  rocprofiler::HSASupport_Singleton& hsasupport_singleton =
      rocprofiler::HSASupport_Singleton::GetInstance();
  std::lock_guard<std::mutex> lock(hsasupport_singleton.signals_timestamps_map_lock);
  auto entry = hsasupport_singleton.signals_timestamps.find(signal.handle);
  if (entry != hsasupport_singleton.signals_timestamps.end()) {
    hsasupport_singleton.signals_timestamps.erase(entry);
  }
  return hsasupport_singleton.GetCoreApiTable().hsa_signal_destroy_fn(signal);
}

std::atomic<bool> profiling_async_copy_enable{false};

hsa_status_t ProfilingAsyncCopyEnableIntercept(bool enable) {
  rocprofiler::HSASupport_Singleton& hsasupport_singleton =
      rocprofiler::HSASupport_Singleton::GetInstance();
  hsa_status_t status =
      hsasupport_singleton.GetAmdExtTable().hsa_amd_profiling_async_copy_enable_fn(enable);
  if (status == HSA_STATUS_SUCCESS) {
    profiling_async_copy_enable.exchange(enable, std::memory_order_release);
  }
  return status;
}

void MemoryASyncCopyHandler(const Tracker::entry_t* entry) {
  activity_record_t record{};
  rocprofiler::HSASupport_Singleton& hsasupport_singleton =
      rocprofiler::HSASupport_Singleton::GetInstance();
  record.domain = ACTIVITY_DOMAIN_HSA_OPS;
  record.op = HSA_OP_ID_COPY;
  record.begin_ns = entry->begin;
  record.end_ns = entry->end;
  if (entry->agent.handle > 0) {
    // FIXME: Not a unique id across GPU and CPU
    rocprofiler::HSAAgentInfo& agent_info =
        hsasupport_singleton.GetHSAAgentInfo(entry->agent.handle);
    if (agent_info.GetType() == HSA_DEVICE_TYPE_GPU)
      record.device_id = agent_info.GetDeviceInfo().getGPUId();
    else
      hsasupport_singleton.GetCoreApiTable().hsa_agent_get_info_fn(
          entry->agent, HSA_AGENT_INFO_NODE, &record.device_id);
  } else if (entry->copy.dst_agent.handle > 0) {
    rocprofiler::HSAAgentInfo& agent_info =
        hsasupport_singleton.GetHSAAgentInfo(entry->copy.dst_agent.handle);
    if (agent_info.GetType() == HSA_DEVICE_TYPE_GPU)
      record.device_id = agent_info.GetDeviceInfo().getGPUId();
    else
      hsasupport_singleton.GetCoreApiTable().hsa_agent_get_info_fn(
          entry->copy.dst_agent, HSA_AGENT_INFO_NODE, &record.device_id);
  } else
    record.device_id = 0;


  record.correlation_id = entry->correlation_id;
  ReportActivity(ACTIVITY_DOMAIN_HSA_OPS, HSA_OP_ID_COPY, &record);
}

hsa_status_t MemoryASyncCopyIntercept(void* dst, hsa_agent_t dst_agent, const void* src,
                                      hsa_agent_t src_agent, size_t size, uint32_t num_dep_signals,
                                      const hsa_signal_t* dep_signals,
                                      hsa_signal_t completion_signal) {
  bool is_enabled = IsEnabled(ACTIVITY_DOMAIN_HSA_OPS, HSA_OP_ID_COPY);
  rocprofiler::HSASupport_Singleton& hsasupport_singleton =
      rocprofiler::HSASupport_Singleton::GetInstance();
  // FIXME: what happens if the state changes before returning?
  [[maybe_unused]] hsa_status_t status =
      hsasupport_singleton.GetAmdExtTable().hsa_amd_profiling_async_copy_enable_fn(
          profiling_async_copy_enable.load(std::memory_order_relaxed) || is_enabled);
  assert(status == HSA_STATUS_SUCCESS && "hsa_amd_profiling_async_copy_enable failed");

  if (!is_enabled) {
    return hsasupport_singleton.GetAmdExtTable().hsa_amd_memory_async_copy_fn(
        dst, dst_agent, src, src_agent, size, num_dep_signals, dep_signals, completion_signal);
  }

  Tracker::entry_t* entry = new Tracker::entry_t();
  entry->handler = MemoryASyncCopyHandler;
  entry->correlation_id = CorrelationId();
  entry->agent = src_agent;
  entry->copy.dst_agent = dst_agent;
  Tracker::Enable(Tracker::COPY_ENTRY_TYPE, hsa_agent_t{}, completion_signal, entry);

  status = hsasupport_singleton.GetAmdExtTable().hsa_amd_memory_async_copy_fn(
      dst, dst_agent, src, src_agent, size, num_dep_signals, dep_signals, entry->signal);
  if (status != HSA_STATUS_SUCCESS) Tracker::Disable(entry);

  return status;
}

hsa_status_t MemoryASyncCopyRectIntercept(const hsa_pitched_ptr_t* dst,
                                          const hsa_dim3_t* dst_offset,
                                          const hsa_pitched_ptr_t* src,
                                          const hsa_dim3_t* src_offset, const hsa_dim3_t* range,
                                          hsa_agent_t copy_agent, hsa_amd_copy_direction_t dir,
                                          uint32_t num_dep_signals, const hsa_signal_t* dep_signals,
                                          hsa_signal_t completion_signal) {
  bool is_enabled = IsEnabled(ACTIVITY_DOMAIN_HSA_OPS, HSA_OP_ID_COPY);
  rocprofiler::HSASupport_Singleton& hsasupport_singleton =
      rocprofiler::HSASupport_Singleton::GetInstance();
  // FIXME: what happens if the state changes before returning?
  [[maybe_unused]] hsa_status_t status =
      hsasupport_singleton.GetAmdExtTable().hsa_amd_profiling_async_copy_enable_fn(
          profiling_async_copy_enable.load(std::memory_order_relaxed) || is_enabled);
  assert(status == HSA_STATUS_SUCCESS && "hsa_amd_profiling_async_copy_enable failed");

  if (!is_enabled) {
    return hsasupport_singleton.GetAmdExtTable().hsa_amd_memory_async_copy_rect_fn(
        dst, dst_offset, src, src_offset, range, copy_agent, dir, num_dep_signals, dep_signals,
        completion_signal);
  }

  Tracker::entry_t* entry = new Tracker::entry_t();
  entry->handler = MemoryASyncCopyHandler;
  entry->correlation_id = CorrelationId();
  entry->agent = copy_agent;
  Tracker::Enable(Tracker::COPY_ENTRY_TYPE, hsa_agent_t{}, completion_signal, entry);

  status = hsasupport_singleton.GetAmdExtTable().hsa_amd_memory_async_copy_rect_fn(
      dst, dst_offset, src, src_offset, range, copy_agent, dir, num_dep_signals, dep_signals,
      entry->signal);
  if (status != HSA_STATUS_SUCCESS) Tracker::Disable(entry);

  return status;
}

hsa_status_t MemoryASyncCopyOnEngineIntercept(
    void* dst, hsa_agent_t dst_agent, const void* src, hsa_agent_t src_agent, size_t size,
    uint32_t num_dep_signals, const hsa_signal_t* dep_signals, hsa_signal_t completion_signal,
    hsa_amd_sdma_engine_id_t engine_id, bool force_copy_on_sdma) {
  bool is_enabled = IsEnabled(ACTIVITY_DOMAIN_HSA_OPS, HSA_OP_ID_COPY);
  rocprofiler::HSASupport_Singleton& hsasupport_singleton =
      rocprofiler::HSASupport_Singleton::GetInstance();
  // FIXME: what happens if the state changes before returning?
  [[maybe_unused]] hsa_status_t status =
      hsasupport_singleton.GetAmdExtTable().hsa_amd_profiling_async_copy_enable_fn(
          profiling_async_copy_enable.load(std::memory_order_relaxed) || is_enabled);
  assert(status == HSA_STATUS_SUCCESS && "hsa_amd_profiling_async_copy_enable failed");

  if (!is_enabled) {
    return hsasupport_singleton.GetAmdExtTable().hsa_amd_memory_async_copy_on_engine_fn(
        dst, dst_agent, src, src_agent, size, num_dep_signals, dep_signals, completion_signal,
        engine_id, force_copy_on_sdma);
  }

  Tracker::entry_t* entry = new Tracker::entry_t();
  entry->handler = MemoryASyncCopyHandler;
  entry->correlation_id = CorrelationId();
  entry->agent = src_agent;
  entry->copy.dst_agent = dst_agent;
  Tracker::Enable(Tracker::COPY_ENTRY_TYPE, hsa_agent_t{}, completion_signal, entry);

  status = hsasupport_singleton.GetAmdExtTable().hsa_amd_memory_async_copy_on_engine_fn(
      dst, dst_agent, src, src_agent, size, num_dep_signals, dep_signals, entry->signal, engine_id,
      force_copy_on_sdma);
  if (status != HSA_STATUS_SUCCESS) Tracker::Disable(entry);

  return status;
}

}  // namespace


const char* GetApiName(uint32_t id) { return detail::GetApiName(id); }

const char* GetEvtName(uint32_t id) {
  switch (id) {
    case HSA_EVT_ID_ALLOCATE:
      return "ALLOCATE";
    case HSA_EVT_ID_DEVICE:
      return "DEVICE";
    case HSA_EVT_ID_MEMCOPY:
      return "MEMCOPY";
    case HSA_EVT_ID_SUBMIT:
      return "SUBMIT";
    case HSA_EVT_ID_KSYMBOL:
      return "KSYMBOL";
    case HSA_EVT_ID_CODEOBJ:
      return "CODEOBJ";
    case HSA_EVT_ID_NUMBER:
      break;
  }
  throw ApiError(ROCTRACER_STATUS_ERROR_INVALID_ARGUMENT, "invalid HSA EVT callback id");
}

const char* GetOpsName(uint32_t id) {
  switch (id) {
    case HSA_OP_ID_DISPATCH:
      return "DISPATCH";
    case HSA_OP_ID_COPY:
      return "COPY";
    case HSA_OP_ID_BARRIER:
      return "BARRIER";
    case HSA_OP_ID_RESERVED1:
      return "PCSAMPLE";
  }
  throw ApiError(ROCTRACER_STATUS_ERROR_INVALID_ARGUMENT, "invalid HSA OPS callback id");
}

uint32_t GetApiCode(const char* str) { return detail::GetApiCode(str); }

void RegisterTracerCallback(int (*function)(activity_domain_t domain, uint32_t operation_id,
                                            void* data)) {
  report_activity.store(function, std::memory_order_relaxed);
}

}  // namespace roctracer::hsa_support

namespace rocprofiler {


std::atomic<hsa_agent_t> cpu_agent;


HSASupport_Singleton& HSASupport_Singleton::GetInstance() {
  static HSASupport_Singleton* instance = new HSASupport_Singleton;
  return *instance;
}

CoreApiTable& HSASupport_Singleton::GetCoreApiTable() { return saved_core_api; }

void HSASupport_Singleton::SetCoreApiTable(CoreApiTable& table) { saved_core_api = table; }

AmdExtTable& HSASupport_Singleton::GetAmdExtTable() { return saved_amd_ext_api; }

void HSASupport_Singleton::SetAmdExtTable(AmdExtTable& table) { saved_amd_ext_api = table; }

hsa_ven_amd_loader_1_01_pfn_t& HSASupport_Singleton::GetHSALoaderApi() { return hsa_loader_api; }

void HSASupport_Singleton::SetHSALoaderApi() {
  hsa_status_t status = GetCoreApiTable().hsa_system_get_major_extension_table_fn(
      HSA_EXTENSION_AMD_LOADER, 1, sizeof(hsa_ven_amd_loader_1_01_pfn_t), &hsa_loader_api);
  if (status != HSA_STATUS_SUCCESS) fatal("hsa_system_get_major_extension_table failed");
}


const Agent::DeviceInfo& HSAAgentInfo::GetDeviceInfo() const {
  if (type_ == HSA_DEVICE_TYPE_GPU) {
    return device_info_;
  }
  assert("Attempting to read deviceInfo for a CPU agent");
  return device_info_;
}

uint64_t HSAAgentInfo::getHandle() const { return agent_.handle; }

hsa_agent_t HSAAgentInfo::GetNearCpuAgent() const { return near_cpu_agent_; }
hsa_device_type_t HSAAgentInfo::GetType() const { return type_; }
void HSAAgentInfo::SetNearCpuAgent(hsa_agent_t near_cpu_agent) { near_cpu_agent_ = near_cpu_agent; }

void HSAAgentInfo::SetDeviceInfo(Agent::DeviceInfo device_info) { device_info_ = device_info; }

HSAAgentInfo& HSASupport_Singleton::GetHSAAgentInfo(uint64_t agent_handle) {
  std::lock_guard<std::mutex> info_map_lock(info_map_mutex_);
  auto it = HSAagent_info_map_.find(agent_handle);
  if (it == HSAagent_info_map_.end())
    rocprofiler::fatal("HSA AgentInfo is not found for the given handle:%ld", agent_handle);
  return it->second;
}

HSAAgentInfo& HSASupport_Singleton::GetHSAAgentInfo(Agent::DeviceInfo device_info) {
  std::lock_guard<std::mutex> info_map_lock(info_map_mutex_);
  for (auto it = HSAagent_info_map_.begin(); it != HSAagent_info_map_.end(); it++) {
    uint64_t gpuid = it->second.GetDeviceInfo().getGPUId();
    if (gpuid == device_info.getGPUId()) {
      return it->second;
    }
  }
  rocprofiler::fatal("HSA AgentInfo is not found for the given device with uuid %lu",
                     device_info.getGPUId());
}

void HSASupport_Singleton::SetHSAAgentInfo(hsa_agent_t agent, HSAAgentInfo hsa_agent_info) {
  std::lock_guard<std::mutex> info_map_lock(info_map_mutex_);
  HSAagent_info_map_.emplace(agent.handle, hsa_agent_info);
}

void HSASupport_Singleton::InitKsymbols() {
  if (ksymbols_flag.load(std::memory_order_relaxed)) {
    {
      std::lock_guard<std::mutex> lock(ksymbol_map_lock);
      ksymbols = new std::map<uint64_t, std::string>();
      ksymbols_flag.exchange(false, std::memory_order_release);
    }
    {
      std::unique_lock<std::shared_mutex> lock(kernel_names_map_lock);
      kernel_names = new std::unordered_map<uint64_t, std::string>();
      kernel_names_flag.exchange(false, std::memory_order_release);
    }
  }
}
void HSASupport_Singleton::FinitKsymbols() {
  if (!ksymbols_flag.load(std::memory_order_relaxed)) {
    std::lock_guard<std::mutex> lock(ksymbol_map_lock);
    ksymbols->clear();
    delete ksymbols;
    ksymbols_flag.exchange(true, std::memory_order_release);
  }
  if (!kernel_names_flag.load(std::memory_order_relaxed)) {
    std::unique_lock<std::shared_mutex> lock(kernel_names_map_lock);
    kernel_names->clear();
    delete kernel_names;
    kernel_names_flag.exchange(true, std::memory_order_release);
  }
}


void queues_deleter ::operator()(void* queue) const { delete static_cast<queue::Queue*>(queue); }


void HSASupport_Singleton::AddQueue(hsa_queue_t* queue,
                                    std::unique_ptr<void, queues_deleter&> rocprofiler_queue) {
  std::lock_guard<std::mutex> queues_mutex_lock(queues_mutex_);
  queues.emplace(queue, std::move(rocprofiler_queue));
}

void HSASupport_Singleton::RemoveQueue(hsa_queue_t* queue) {
  std::lock_guard<std::mutex> queues_mutex_lock(queues_mutex_);
  auto it = queues.find(queue);
  if (it == queues.end()) {
    fatal("Trying to destroy a non-existent queue in the profiler");
  }
  queues.erase(it);
}
/**
 * @brief This function is a queue create interceptor. It intercepts the queue
 * creation, registers the profiler, and registers a packet write interceptor.
 * It also creates a Queue Interceptor object to store the
 * newly created queue information.
 **/
hsa_status_t QueueCreateInterceptor(hsa_agent_t agent, uint32_t size, hsa_queue_type32_t type,
                                    void (*callback)(hsa_status_t status, hsa_queue_t* source,
                                                     void* data),
                                    void* data, uint32_t private_segment_size,
                                    uint32_t group_segment_size, hsa_queue_t** queue) {
  // TODO(aelwazir): Queue ID

  HSASupport_Singleton& instance = HSASupport_Singleton::GetInstance();

  queues_deleter deleter;
  hsa_status_t status = instance.GetAmdExtTable().hsa_amd_queue_intercept_create_fn(
      agent, size, type, callback, data, private_segment_size, group_segment_size, queue);

  if (status != HSA_STATUS_SUCCESS) return status;

  status = instance.GetAmdExtTable().hsa_amd_profiling_set_profiler_enabled_fn(*queue, true);
  if (status != HSA_STATUS_SUCCESS) fatal("Failed to enable the profiling on the queue");

  std::unique_ptr<void, queues_deleter&> rocprofiler_queue(
      new queue::Queue(cpu_agent.load(std::memory_order_relaxed), agent, *queue), deleter);

  status = instance.GetAmdExtTable().hsa_amd_queue_intercept_register_fn(
      *queue, queue::Queue::WriteInterceptor, rocprofiler_queue.get());
  if (status != HSA_STATUS_SUCCESS) fatal("Failed to regiter write interceptor for the queue");
  instance.AddQueue(*queue, std::move(rocprofiler_queue));
  return HSA_STATUS_SUCCESS;
}

/**
 * @brief This function is a queue destroy interceptor. It intercepts the queue
 * destroy. It deletes the queue entry from the template storage and calls the
 * hsa_queue_destroy_fn.
 **/

hsa_status_t QueueDestroyInterceptor(hsa_queue_t* hsa_queue) {
  HSASupport_Singleton& instance = HSASupport_Singleton::GetInstance();
  hsa_status_t status = instance.GetCoreApiTable().hsa_queue_destroy_fn(hsa_queue);
  if (status != HSA_STATUS_SUCCESS) return status;
  instance.RemoveQueue(hsa_queue);
  return HSA_STATUS_SUCCESS;
}
bool hsa_support_IterateCounters(rocprofiler_counters_info_callback_t counters_info_callback) {
  static std::map<uint64_t, MetricsDict*> metricsDicts;
  HSASupport_Singleton& hsasupport_singleton = HSASupport_Singleton::GetInstance();
  for (auto it = hsasupport_singleton.gpu_agents.begin();
       it != hsasupport_singleton.gpu_agents.end(); it++) {
    HSAAgentInfo& agent_Info = hsasupport_singleton.GetHSAAgentInfo(it->handle);
    metricsDicts.emplace(agent_Info.getHandle(), rocprofiler::MetricsDict::Create(&agent_Info));
  }
  uint32_t gpu_counter = 0;
  for (auto metricsDictAgent : metricsDicts) {
    rocprofiler::MetricsDict* metricsDict = metricsDictAgent.second;
    std::string gpu_name = metricsDict->GetAgentName();
    auto nodes_vec = metricsDict->GetNodes();

    for (auto* node : nodes_vec) {
      const std::string& name = node->opts["name"];
      const std::string& descr = node->opts["descr"];
      const std::string& expr = node->opts["expr"];
      // Getting the block name
      const std::string block_name = node->opts["block"];
      uint32_t block_counters = 0;

      hsa_ven_amd_aqlprofile_id_query_t query;

      if (expr.empty()) {
        // Querying profile
        hsa_ven_amd_aqlprofile_profile_t profile = {};
        profile.agent = hsa_agent_t{metricsDictAgent.first};
        profile.type = HSA_VEN_AMD_AQLPROFILE_EVENT_TYPE_PMC;

        // Query block id info
        query = {block_name.c_str(), 0, 0};
        hsa_status_t status =
            hsa_ven_amd_aqlprofile_get_info(&profile, HSA_VEN_AMD_AQLPROFILE_INFO_BLOCK_ID, &query);
        if (status != HSA_STATUS_SUCCESS)
          AQL_EXC_RAISING(HSA_STATUS_ERROR, "get block id info: '" << block_name << "'");

        // Metric object
        const std::string metric_name = (query.instance_count > 1) ? name + "[0]" : name;
        const Metric* metric = metricsDict->Get(metric_name);
        if (metric == NULL) EXC_RAISING(HSA_STATUS_ERROR, "metric '" << name << "' is not found");

        // Process metrics counters
        const counters_vec_t& counters_vec = metric->GetCounters();
        if (counters_vec.size() != 1)
          EXC_RAISING(HSA_STATUS_ERROR, "error: '" << metric->GetName() << "' is not basic");

        // Query block counters number
        profile.events = &(counters_vec[0]->event);
        status = hsa_ven_amd_aqlprofile_get_info(
            &profile, HSA_VEN_AMD_AQLPROFILE_INFO_BLOCK_COUNTERS, &block_counters);
        if (status != HSA_STATUS_SUCCESS) continue;
      }

      const rocprofiler_counter_info_t counter_info =
          rocprofiler_counter_info_t{strdup(name.c_str()),
                                     strdup(descr.c_str()),
                                     expr.empty() ? nullptr : strdup(expr.c_str()),
                                     query.instance_count,
                                     block_name.c_str(),
                                     block_counters};
      counters_info_callback(counter_info, gpu_name.c_str(), gpu_counter);
    }
    gpu_counter++;

    // auto start = metricsDict->Begin();
    // while (start != metricsDict->End()) {
    //   const xml::Expr* expr = start->second->GetExpr();
    //   std::string expr_str;
    //   if (expr) expr_str = expr->GetStr().c_str();
    //   const rocprofiler_counter_info_t counter_info =
    //       rocprofiler_counter_info_t{start->first.c_str(), "", expr ? expr_str.c_str() :
    //       nullptr};
    //   counters_info_callback(counter_info, gpu_name.c_str(), gpu_counter);
    //   start++;
    // }
  }

  return true;
}


void HSASupport_Singleton::HSAInitialize(HsaApiTable* table) {
  InitKsymbols();
  // Save the HSA core api and amd_ext api.

  SetCoreApiTable(*table->core_);
  SetAmdExtTable(*table->amd_ext_);

  // TODO(aelwazir): FIXME, this is a workaround for the issue of allocating buffers on KernArg
  // Pools that are nearest to the GPU which is not NUMA local to the CPU. This should be remove
  // once ROCR provides such API.

  // Enumerate the agents.
  if (GetCoreApiTable().hsa_iterate_agents_fn(
          [](hsa_agent_t agent, void* data) {
            ROCProfiler_Singleton& rocprofiler_instance = ROCProfiler_Singleton::GetInstance();
            HSASupport_Singleton& hsasupport_singleton = HSASupport_Singleton::GetInstance();
            hsa_device_type_t device_type;
            hsasupport_singleton.GetCoreApiTable().hsa_agent_get_info_fn(
                agent, HSA_AGENT_INFO_DEVICE, &device_type);
            switch (device_type) {
              case HSA_DEVICE_TYPE_CPU: {
                // FixMe: Multiprocess CPU for eg: in NUMA architecture
                cpu_agent = agent;
                rocprofiler::HSAAgentInfo agent_info(agent, device_type);
                Packet::InitializePools(cpu_agent, &agent_info);
                hsasupport_singleton.SetHSAAgentInfo(agent, agent_info);
                break;
              }
              case HSA_DEVICE_TYPE_GPU: {
                // TODO(FIXME): When multiple ranks are used, each rank's first
                // logical device always has GPU ID 0, regardless of which
                // physical device is selected with CUDA_VISIBLE_DEVICES.
                // Because of this, when merging traces from multiple ranks,
                // GPU IDs from different processes may overlap.
                //
                // The long term solution is to use KFD's gpu_id, which is
                // stable across APIs and processes, but it isn't currently
                // exposed by ROCr.  We could use the agent's
                // HSA_AMD_AGENT_INFO_DRIVER_NODE_ID in the meantime, as even
                // that would be an improvement--it's what legacy roctracer
                // is currently doing as well as the roctracer compatibility
                // code earlier in this file.
                uint32_t gpu_id = 0;
                hsasupport_singleton.GetCoreApiTable().hsa_agent_get_info_fn(
                    agent, (hsa_agent_info_t)(HSA_AMD_AGENT_INFO_DRIVER_UID), &gpu_id);
                const Agent::DeviceInfo& device_info = rocprofiler_instance.GetDeviceInfo(gpu_id);
                hsa_agent_t nearCpuAgent;
                hsasupport_singleton.GetCoreApiTable().hsa_agent_get_info_fn(
                    agent, (hsa_agent_info_t)(HSA_AMD_AGENT_INFO_NEAREST_CPU), &nearCpuAgent);
                rocprofiler::HSAAgentInfo agent_info(agent, device_type);
                agent_info.SetNearCpuAgent(nearCpuAgent);

                agent_info.SetDeviceInfo(device_info);
                Packet::InitializeGPUPool(agent, &agent_info);
                hsasupport_singleton.SetHSAAgentInfo(agent, agent_info);
                hsasupport_singleton.gpu_agents.push_back(agent);
                break;
              }
              default:
                break;
            }

            return HSA_STATUS_SUCCESS;
          },
          nullptr) != HSA_STATUS_SUCCESS)
    rocprofiler::fatal("hsa_iterate_agents failed");

  for (auto& agent : gpu_agents) {
    HSAAgentInfo& agent_info = GetHSAAgentInfo(agent.handle);
    hsa_agent_t near_cpu_node = agent_info.GetNearCpuAgent();
    HSAAgentInfo& near_cpu_agent_info = GetHSAAgentInfo(near_cpu_node.handle);
    agent_info.cpu_pool_ = near_cpu_agent_info.cpu_pool_;
    agent_info.kernarg_pool_ = near_cpu_agent_info.kernarg_pool_;
  }

  {
    std::lock_guard<std::mutex> lock(
        HSASupport_Singleton::GetInstance().signals_timestamps_map_lock);
    HSASupport_Singleton::GetInstance().signals_timestamps =
        std::map<uint64_t, new_signal_timestamp_t>();
  }

  rocprofiler::queue::CheckPacketReqiurements();
  SetHSALoaderApi();

  // Install the Queue intercept
  table->core_->hsa_queue_create_fn = QueueCreateInterceptor;
  table->core_->hsa_queue_destroy_fn = QueueDestroyInterceptor;

  // Install the HSA_OPS intercept
  table->amd_ext_->hsa_amd_memory_async_copy_fn = roctracer::hsa_support::MemoryASyncCopyIntercept;
  table->amd_ext_->hsa_amd_memory_async_copy_rect_fn =
      roctracer::hsa_support::MemoryASyncCopyRectIntercept;
  table->amd_ext_->hsa_amd_profiling_async_copy_enable_fn =
      roctracer::hsa_support::ProfilingAsyncCopyEnableIntercept;
  table->amd_ext_->hsa_amd_memory_async_copy_on_engine_fn =
      roctracer::hsa_support::MemoryASyncCopyOnEngineIntercept;

  // Install the HSA_EVT intercept
  table->core_->hsa_memory_allocate_fn = roctracer::hsa_support::MemoryAllocateIntercept;
  table->core_->hsa_memory_assign_agent_fn = roctracer::hsa_support::MemoryAssignAgentIntercept;
  table->core_->hsa_memory_copy_fn = roctracer::hsa_support::MemoryCopyIntercept;
  table->amd_ext_->hsa_amd_memory_pool_allocate_fn =
      roctracer::hsa_support::MemoryPoolAllocateIntercept;
  table->amd_ext_->hsa_amd_memory_pool_free_fn = roctracer::hsa_support::MemoryPoolFreeIntercept;
  table->amd_ext_->hsa_amd_agents_allow_access_fn =
      roctracer::hsa_support::AgentsAllowAccessIntercept;
  table->core_->hsa_executable_freeze_fn = roctracer::hsa_support::ExecutableFreezeIntercept;
  table->core_->hsa_executable_destroy_fn = roctracer::hsa_support::ExecutableDestroyIntercept;

  table->amd_ext_->hsa_amd_profiling_get_dispatch_time_fn =
      roctracer::hsa_support::GetDispatchTimestamps;
  table->core_->hsa_signal_destroy_fn = roctracer::hsa_support::DestroySignal;

  // Install the HSA_API wrappers
  roctracer::hsa_support::detail::InstallCoreApiWrappers(table->core_);
  roctracer::hsa_support::detail::InstallAmdExtWrappers(table->amd_ext_);
  roctracer::hsa_support::detail::InstallImageExtWrappers(table->image_ext_);
}

void HSASupport_Singleton::HSAFinalize() {
  std::lock_guard<std::mutex> queues_mutex_lock(queues_mutex_);
  queues.clear();
  // table gets reset by rocr runtime
  FinitKsymbols();
}

#define CHECK_HSA_STATUS(msg, status)                                                          \
if ((status) != HSA_STATUS_SUCCESS && (status) != HSA_STATUS_INFO_BREAK) {                     \
  try {                                                                                        \
    const char* emsg = nullptr;                                                                \
    hsa_status_string(status, &emsg);                                                          \
    if (!emsg) emsg = "<Unknown HSA Error>";                                                   \
    std::cerr << msg << std::endl;                                                             \
    std::cerr << emsg << std::endl;                                                            \
  } catch (std::exception & e) {                                                               \
  }                                                                                            \
  abort();                                                                                     \
}

void HSASupport_Singleton::CreateSignal(uint32_t attribute, hsa_signal_t* signal) {
  auto status = GetAmdExtTable().hsa_amd_signal_create_fn(1, 0, nullptr, attribute, signal);
  CHECK_HSA_STATUS("Error: hsa_amd_signal_create failed", status);
}


}  // namespace rocprofiler