Line data    Source code

       1              : /**
       2              :  * Copyright (c) 2025 Huawei Technologies Co., Ltd.
       3              :  * This program is free software, you can redistribute it and/or modify it under the terms and conditions of
       4              :  * CANN Open Software License Agreement Version 2.0 (the "License").
       5              :  * Please refer to the License for details. You may not use this file except in compliance with the License.
       6              :  * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
       7              :  * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
       8              :  * See LICENSE in the root of the software repository for the full text of the License.
       9              :  */
      10              : 
      11              : #include "dlprof_func_v2.h"
      12              : #include "log.h"
      13              : #include "exception_util.h"
      14              : 
      15              : namespace Hccl {
      16           17 : DlProfFunc& DlProfFunc::GetInstance()
      17              : {
      18           17 :     static DlProfFunc hcclDlProfFunction;
      19           17 :     return hcclDlProfFunction;
      20              : }
      21              : 
      22            0 : bool DlProfFunc::isStubMode() { return false; }
      23              : 
      24            1 : DlProfFunc::DlProfFunc()
      25              : {
      26            1 :     if (isStubMode()) {
      27            1 :         DlProfFunctionStubInit();
      28              :     } else {
      29            0 :         DlProfFunctionInit();
      30              :     }
      31            1 : }
      32              : 
      33            1 : DlProfFunc::~DlProfFunc()
      34              : {
      35            1 :     if (handle_ != nullptr) {
      36            0 :         (void)dlclose(handle_);
      37            0 :         handle_ = nullptr;
      38              :     }
      39            1 : }
      40              : 
      41           17 : static uint64_t HcclMsprofSysCycleTimeStub()
      42              : {
      43           51 :     HCCL_WARNING("Entry HcclMsprofSysCycleTimeStub");
      44           17 :     return 0;
      45              : }
      46              : 
      47            1 : void DlProfFunc::DlProfFunctionStubInit() { dlMsprofSysCycleTime = (uint64_t(*)(void))HcclMsprofSysCycleTimeStub; }
      48              : 
      49            0 : HcclResult DlProfFunc::DlProfFunctionInterInit()
      50              : {
      51            0 :     CHECK_NULLPTR(handle_, "[DlProfFunc::DlProfFunctionInterInit] handle_ is nullptr!");
      52            0 :     dlMsprofSysCycleTime = (uint64_t(*)(void))dlsym(handle_, "MsprofSysCycleTime");
      53            0 :     CHK_PTR_NULL(dlMsprofSysCycleTime);
      54              : 
      55            0 :     return HCCL_SUCCESS;
      56              : }
      57              : 
      58            0 : HcclResult DlProfFunc::DlProfFunctionInit()
      59              : {
      60            0 :     if (initializedFlag_) {
      61            0 :         return HCCL_SUCCESS;
      62              :     }
      63              : 
      64            0 :     std::lock_guard<std::mutex> lock(handleMutex_);
      65            0 :     if (handle_ == nullptr) {
      66            0 :         handle_ = dlopen("libprofapi.so", RTLD_NOW);
      67              :     }
      68            0 :     if (handle_ != nullptr) {
      69            0 :         CHK_RET(DlProfFunctionInterInit());
      70              :     }
      71            0 :     initializedFlag_ = true;
      72            0 :     return HCCL_SUCCESS;
      73            0 : }
      74              : } // namespace Hccl