LCOV - code coverage report
Current view: top level - legacy/ascend910/platform/common - dltrace_function.cc (source / functions) Coverage Total Hit
Test: coverage.info Lines: 60.3 % 58 35
Test Date: 2026-08-18 17:47:01 Functions: 71.4 % 7 5

            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 "dltrace_function.h"
      12              : #include "hccl_dl.h"
      13              : #include "log.h"
      14              : 
      15              : namespace hccl {
      16              : 
      17         1883 : DlTraceFunction& DlTraceFunction::GetInstance()
      18              : {
      19         1883 :     static DlTraceFunction hcclDlTraceFunction;
      20         1883 :     return hcclDlTraceFunction;
      21              : }
      22              : 
      23           10 : DlTraceFunction::DlTraceFunction() : handle_(nullptr) {}
      24              : 
      25           10 : DlTraceFunction::~DlTraceFunction()
      26              : {
      27           10 :     if (handle_ != nullptr) {
      28            9 :         (void)HcclDlclose(handle_);
      29            9 :         handle_ = nullptr;
      30              :     }
      31           10 : }
      32              : 
      33            0 : HcclResult DlTraceFunction::DlUTraceFunctionInterInit()
      34              : {
      35            0 :     dlUtraceDestroy = (void (*)(TraHandle handle))HcclDlsym(handle_, "UtraceDestroy");
      36            0 :     CHK_SMART_PTR_NULL(dlUtraceDestroy);
      37              :     dlUtraceSubmit
      38            0 :         = (HcclResult(*)(TraHandle handle, const void* buffer, u32 bufSize))HcclDlsym(handle_, "UtraceSubmit");
      39            0 :     CHK_SMART_PTR_NULL(dlUtraceSubmit);
      40            0 :     dlUtraceCreateWithAttr = (TraHandle(*)(int tracerType, const char* objName, const TraceAttr* attr))HcclDlsym(
      41            0 :         handle_, "UtraceCreateWithAttr");
      42            0 :     CHK_SMART_PTR_NULL(dlUtraceCreateWithAttr);
      43            0 :     dlUtraceSetGlobalAttr = (TraStatus(*)(const TraceGlobalAttr* attr))HcclDlsym(handle_, "UtraceSetGlobalAttr");
      44            0 :     CHK_SMART_PTR_NULL(dlUtraceSetGlobalAttr);
      45            0 :     dlUtraceSave = (TraStatus(*)(TracerType tracerType, bool syncFlag))HcclDlsym(handle_, "UtraceSave");
      46            0 :     CHK_SMART_PTR_NULL(dlUtraceSave);
      47            0 :     return HCCL_SUCCESS;
      48              : }
      49              : 
      50           10 : HcclResult DlTraceFunction::DlATraceFunctionInterInit()
      51              : {
      52           10 :     dlAtraceDestroy = (void (*)(TraHandle handle))HcclDlsym(handle_, "AtraceDestroy");
      53           10 :     CHK_SMART_PTR_NULL(dlAtraceDestroy);
      54              :     dlAtraceSubmit
      55           10 :         = (HcclResult(*)(TraHandle handle, const void* buffer, u32 bufSize))HcclDlsym(handle_, "AtraceSubmit");
      56           10 :     CHK_SMART_PTR_NULL(dlAtraceSubmit);
      57           10 :     dlAtraceCreateWithAttr = (TraHandle(*)(int tracerType, const char* objName, const TraceAttr* attr))HcclDlsym(
      58           10 :         handle_, "AtraceCreateWithAttr");
      59           10 :     CHK_SMART_PTR_NULL(dlAtraceCreateWithAttr);
      60           10 :     dlAtraceSetGlobalAttr = (TraStatus(*)(const TraceGlobalAttr* attr))HcclDlsym(handle_, "AtraceSetGlobalAttr");
      61           10 :     dlAtraceSave = (TraStatus(*)(TracerType tracerType, bool syncFlag))HcclDlsym(handle_, "AtraceSave");
      62           10 :     CHK_SMART_PTR_NULL(dlAtraceSave);
      63           10 :     return HCCL_SUCCESS;
      64              : }
      65              : 
      66          631 : HcclResult DlTraceFunction::DlTraceFunctionInit()
      67              : {
      68              :     HcclResult ret;
      69          631 :     std::lock_guard<std::mutex> lock(handleMutex_);
      70          631 :     if (handle_ == nullptr) {
      71           11 :         handle_ = HcclDlopen("libascend_trace.so", RTLD_NOW);
      72           11 :         const char* errMsg_atrace = dlerror();
      73           11 :         if (handle_ == nullptr) {
      74            0 :             HCCL_WARNING(
      75              :                 "dlopen [%s] failed, %s", "libascend_trace.so",
      76              :                 (errMsg_atrace == nullptr) ? "please check the file exist or permission denied." : errMsg_atrace);
      77              : 
      78            0 :             handle_ = HcclDlopen("libutrace.so", RTLD_NOW);
      79            0 :             const char* errMsg_utrace = dlerror();
      80            0 :             CHK_PRT_RET(
      81              :                 handle_ == nullptr,
      82              :                 HCCL_ERROR(
      83              :                     "dlopen [%s] failed, %s", "libutrace.so",
      84              :                     (errMsg_utrace == nullptr) ? "please check the file exist or permission denied." : errMsg_utrace),
      85              :                 HCCL_E_OPEN_FILE_FAILURE);
      86            0 :             ret = DlUTraceFunctionInterInit();
      87            0 :             if (ret != HCCL_SUCCESS) {
      88            0 :                 HCCL_ERROR("[DlTraceFunctionInit] DlUTraceFunctionInterInit fail, ret[%d], destroy handle.", ret);
      89            0 :                 (void)HcclDlclose(handle_);
      90            0 :                 handle_ = nullptr;
      91            0 :                 return ret;
      92              :             }
      93              :         } else {
      94           11 :             ret = DlATraceFunctionInterInit();
      95           11 :             if (ret != HCCL_SUCCESS) {
      96            1 :                 HCCL_ERROR("[DlTraceFunctionInit] DlATraceFunctionInterInit fail, ret[%d], destroy handle.", ret);
      97            1 :                 (void)HcclDlclose(handle_);
      98            1 :                 handle_ = nullptr;
      99            1 :                 return ret;
     100              :             }
     101              :         }
     102              :     }
     103          630 :     return HCCL_SUCCESS;
     104          631 : }
     105              : } // namespace hccl
        

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