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 "sal.h"
      12              : #include <unistd.h>
      13              : #include "log.h"
      14              : #include <unistd.h>
      15              : #include <sys/time.h> /* 获取时间 */
      16              : 
      17              : namespace Hccl {
      18              : 
      19          952 : void SaluSleep(u32 usec)
      20              : {
      21              :     /* usleep()可能会因为进程收到信号(比如alarm)而提前返回EINTR, 后续优化  */
      22          952 :     s32 iRet = usleep(usec);
      23          952 :     if (iRet != 0) {
      24            0 :         HCCL_WARNING("Sleep: usleep failed[%d]: %s [%d]", iRet, strerror(errno), errno);
      25              :     }
      26          952 : }
      27              : 
      28            0 : void SalSleep(u32 sec)
      29              : {
      30              :     /* sleep()可能会因为进程收到信号(比如alarm)而提前返回EINTR, 后续优化  */
      31            0 :     s32 iRet = sleep(sec);
      32            0 :     if (iRet != 0) {
      33            0 :         HCCL_WARNING("Sleep: sleep failed[%d]: %s [%d]", iRet, strerror(errno), errno);
      34              :     }
      35            0 : }
      36              : 
      37          403 : std::string SalGetEnv(const char* name)
      38              : {
      39          403 :     if (name == nullptr || getenv(name) == nullptr) {
      40          564 :         return "EmptyString";
      41              :     }
      42              : 
      43          242 :     return getenv(name);
      44              : }
      45              : 
      46              : constexpr u32 INVALID_UINT = 0xFFFFFFFF;
      47              : // 字串符转换成无符号整型
      48           28 : HcclResult SalStrToULong(const std::string str, int base, u32& val)
      49              : {
      50              :     try {
      51           28 :         u64 tmp = std::stoull(str, nullptr, base);
      52           28 :         if (tmp > INVALID_UINT) {
      53            0 :             HCCL_ERROR("[Transform][StrToULong]stoul out of range, str[%s] base[%d] val[%llu]", str.c_str(), base, tmp);
      54            0 :             return HCCL_E_PARA;
      55              :         } else {
      56           28 :             val = static_cast<u32>(tmp);
      57              :         }
      58            0 :     } catch (std::invalid_argument&) {
      59            0 :         HCCL_ERROR("[Transform][StrToULong]stoull invalid argument, str[%s] base[%d] val[%u]", str.c_str(), base, val);
      60            0 :         return HCCL_E_PARA;
      61            0 :     } catch (std::out_of_range&) {
      62            0 :         HCCL_ERROR("[Transform][StrToULong]stoull out of range, str[%s] base[%d] val[%u]", str.c_str(), base, val);
      63            0 :         return HCCL_E_PARA;
      64            0 :     } catch (...) {
      65            0 :         HCCL_ERROR("[Transform][StrToULong]stoull catch errror, str[%s] base[%d] val[%u]", str.c_str(), base, val);
      66            0 :         return HCCL_E_PARA;
      67            0 :     }
      68           28 :     return HCCL_SUCCESS;
      69              : }
      70              : 
      71            0 : u64 SalGetCurrentTimestamp()
      72              : {
      73              :     u64 timestamp;
      74            0 :     struct timeval tv {};
      75            0 :     int ret = gettimeofday(&tv, nullptr);
      76            0 :     if (ret != 0) {
      77            0 :         HCCL_ERROR("[Get][tCurrentTimestamp]get timestamp fail, return[%d].", ret);
      78              :     }
      79            0 :     timestamp = tv.tv_sec * 1000000 + tv.tv_usec; // 1000000: 单位转换 秒 -> 微秒
      80            0 :     return timestamp;
      81              : }
      82              : 
      83            2 : u64 GetCurAicpuTimestamp()
      84              : {
      85              :     struct timespec timestamp;
      86            2 :     (void)clock_gettime(1, &timestamp);
      87            2 :     return static_cast<u64>((timestamp.tv_sec * 1000000000U) + (timestamp.tv_nsec));
      88              : }
      89              : 
      90              : // 返回当前线程ID
      91           68 : s32 SalGetTid() { return syscall(SYS_gettid); }
      92              : 
      93            3 : void SetThreadName(const std::string& threadStr)
      94              : {
      95              :     // 线程名应限制在15个字符内，防止被截断
      96            3 :     s32 sRet = pthread_setname_np(pthread_self(), threadStr.c_str());
      97            7 :     CHK_PRT_CONT(sRet != 0, HCCL_WARNING("err[%d] link[%s] nameSet failed.", sRet, threadStr.c_str()));
      98            3 : }
      99              : 
     100              : } // namespace Hccl