Line data    Source code

       1              : /**
       2              :  * Copyright (c) 2026 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 "plf_debug_config.h"
      12              : #include "log.h"
      13              : #include <sstream>
      14              : #include <atomic>
      15              : #include <mutex>
      16              : 
      17              : namespace Hccl {
      18              : 
      19              : static std::atomic<u64> g_plfDebugConfig{0};
      20              : static std::once_flag g_parseOnce;
      21              : 
      22           14 : static u64 ParseDebugConfig(const char* envName, u64 domainMask)
      23              : {
      24           14 :     char* env = getenv(envName);
      25           14 :     if (env == nullptr) {
      26            7 :         return 0;
      27              :     }
      28            7 :     std::string configDup(env);
      29              : 
      30            7 :     bool invert = (!configDup.empty() && configDup.front() == '^');
      31              :     // 第一个字符是'^', 使用取反模式，用户配置的项关闭，未配置的项打开
      32            7 :     u64 result = invert ? domainMask : 0ULL;
      33            7 :     if (invert) {
      34            1 :         configDup.erase(configDup.begin()); // 去掉'^'符号
      35              :     }
      36              : 
      37            7 :     std::istringstream stream(configDup);
      38            7 :     std::string subConfig;
      39           13 :     while (std::getline(stream, subConfig, ',')) {
      40            7 :         if (subConfig.empty()) {
      41            0 :             continue;
      42              :         }
      43            7 :         u64 mask = 0;
      44            7 :         if (((domainMask & PLF_TASK) != 0) && strcasecmp(subConfig.c_str(), "TASK") == 0) {
      45            4 :             mask = PLF_TASK;
      46            3 :         } else if (((domainMask & PLF_ALG) != 0) && strcasecmp(subConfig.c_str(), "ALG") == 0) {
      47            0 :             mask = PLF_ALG;
      48            3 :         } else if (((domainMask & PLF_RES) != 0) && strcasecmp(subConfig.c_str(), "RESOURCE") == 0) {
      49            0 :             mask = PLF_RES;
      50            3 :         } else if (((domainMask & PLF_DATA_OP) != 0) && strcasecmp(subConfig.c_str(), "DATA_OP") == 0) {
      51            2 :             mask = PLF_DATA_OP;
      52              :         } else {
      53            3 :             HCCL_ERROR("%s:%s subConfig:%s is not supported", envName, env, subConfig.c_str());
      54            1 :             return 0;
      55              :         }
      56            6 :         result = invert ? (result & ~mask) : (result | mask);
      57              :     }
      58           18 :     HCCL_RUN_INFO("[HCCL_ENV] %s set by [%s] to [0x%llx]", envName, env, result);
      59            6 :     return result;
      60            7 : }
      61              : 
      62            7 : void EnvPlfDebugConfig::Parse()
      63              : {
      64            7 :     plfDebugConfig_ = ParseDebugConfig("HCCL_DEBUG_CONFIG", PLF_TASK | PLF_ALG | PLF_RES);
      65            7 :     plfDebugConfig_ |= ParseDebugConfig("HCOMM_DEBUG_CONFIG", PLF_TASK | PLF_DATA_OP);
      66           21 :     HCCL_RUN_INFO("[HCCL_ENV] plfDebugConfig set to [0x%llx]", plfDebugConfig_);
      67            7 : }
      68              : 
      69            7 : u64 EnvPlfDebugConfig::GetConfigValue() const { return plfDebugConfig_; }
      70              : 
      71         5381 : u64 GetPlfDebugConfigValue()
      72              : {
      73         5381 :     std::call_once(g_parseOnce, []() {
      74           10 :         EnvPlfDebugConfig cfg;
      75           10 :         cfg.Parse();
      76           10 :         g_plfDebugConfig.store(cfg.GetConfigValue(), std::memory_order_relaxed);
      77           10 :     });
      78         5381 :     return g_plfDebugConfig.load(std::memory_order_relaxed);
      79              : }
      80              : 
      81           72 : void SetPlfDebugConfigValue(u64 value) { g_plfDebugConfig.store(value, std::memory_order_relaxed); }
      82              : 
      83              : } // namespace Hccl