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.h"
      12              : #include "log.h"
      13              : 
      14              : namespace hccl {
      15         1161 : DlProfFunc &DlProfFunc::GetInstance()
      16              : {
      17         1161 :     static DlProfFunc hcclDlProfFunction;
      18         1161 :     return hcclDlProfFunction;
      19              : }
      20              : 
      21           11 : DlProfFunc::DlProfFunc()
      22              : {
      23           11 :     DlProfFunctionStubInit();
      24           11 : }
      25              : 
      26           11 : DlProfFunc::~DlProfFunc()
      27              : {
      28           11 :     if (handle_ != nullptr) {
      29            0 :         (void)dlclose(handle_);
      30            0 :         handle_ = nullptr;
      31              :     }
      32           11 : }
      33              : 
      34          100 : uint64_t HcclMsprofSysCycleTimeStub()
      35              : {
      36          100 :     HCCL_WARNING("Entry HcclMsprofSysCycleTimeStub");
      37          100 :     return 0;
      38              : }
      39              : 
      40           11 : void DlProfFunc::DlProfFunctionStubInit()
      41              : {
      42           11 :     dlMsprofSysCycleTime = (uint64_t(*)(void))HcclMsprofSysCycleTimeStub;
      43           11 : }
      44              : 
      45            0 : HcclResult DlProfFunc::DlProfFunctionInterInit()
      46              : {
      47            0 :     dlMsprofSysCycleTime = (uint64_t(*)(void))dlsym(handle_,
      48            0 :         "MsprofSysCycleTime");
      49            0 :     CHK_SMART_PTR_NULL(dlMsprofSysCycleTime);
      50              : 
      51            0 :     return HCCL_SUCCESS;
      52              : }
      53              : 
      54         1061 : HcclResult DlProfFunc::DlProfFunctionInit()
      55              : {
      56         1061 :     std::lock_guard<std::mutex> lock(handleMutex_);
      57         1061 :     if (handle_ == nullptr) {
      58         1061 :         handle_ = dlopen("libprofapi.so", RTLD_NOW);
      59              :     }
      60         1061 :     if (handle_ != nullptr) {
      61            0 :         CHK_RET(DlProfFunctionInterInit());
      62              :     }
      63         1061 :     return HCCL_SUCCESS;
      64         1061 : }
      65              : }