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         1167 : DlProfFunc& DlProfFunc::GetInstance()
      16              : {
      17         1167 :     static DlProfFunc hcclDlProfFunction;
      18         1167 :     return hcclDlProfFunction;
      19              : }
      20              : 
      21           11 : DlProfFunc::DlProfFunc() { DlProfFunctionStubInit(); }
      22              : 
      23           11 : DlProfFunc::~DlProfFunc()
      24              : {
      25           11 :     if (handle_ != nullptr) {
      26            0 :         (void)dlclose(handle_);
      27            0 :         handle_ = nullptr;
      28              :     }
      29           11 : }
      30              : 
      31          100 : uint64_t HcclMsprofSysCycleTimeStub()
      32              : {
      33          100 :     HCCL_WARNING("Entry HcclMsprofSysCycleTimeStub");
      34          100 :     return 0;
      35              : }
      36              : 
      37           11 : void DlProfFunc::DlProfFunctionStubInit() { dlMsprofSysCycleTime = (uint64_t(*)(void))HcclMsprofSysCycleTimeStub; }
      38              : 
      39            0 : HcclResult DlProfFunc::DlProfFunctionInterInit()
      40              : {
      41            0 :     dlMsprofSysCycleTime = (uint64_t(*)(void))dlsym(handle_, "MsprofSysCycleTime");
      42            0 :     CHK_SMART_PTR_NULL(dlMsprofSysCycleTime);
      43              : 
      44            0 :     return HCCL_SUCCESS;
      45              : }
      46              : 
      47         1067 : HcclResult DlProfFunc::DlProfFunctionInit()
      48              : {
      49         1067 :     std::lock_guard<std::mutex> lock(handleMutex_);
      50         1067 :     if (handle_ == nullptr) {
      51         1067 :         handle_ = dlopen("libprofapi.so", RTLD_NOW);
      52              :     }
      53         1067 :     if (handle_ != nullptr) {
      54            0 :         CHK_RET(DlProfFunctionInterInit());
      55              :     }
      56         1067 :     return HCCL_SUCCESS;
      57         1067 : }
      58              : } // namespace hccl