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       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              : #ifndef PROF_SAL_LITE_H
      11              : #define PROF_SAL_LITE_H
      12              : 
      13              : #include <sys/syscall.h>
      14              : #include <cstdint>
      15              : 
      16              : namespace Hccl {
      17              : 
      18           33 : inline int32_t SalGetTidLite() { return static_cast<int32_t>(syscall(SYS_gettid)); }
      19              : 
      20           23 : inline uint64_t ProfGetCurCpuTimestampLite()
      21              : {
      22              : #ifndef CCL_LLT
      23            0 :     uint64_t cntvct = 0;
      24              : #if defined __aarch64__
      25              :     asm volatile("mrs %0, cntvct_el0" : "=r"(cntvct));
      26              : #endif
      27            0 :     return cntvct;
      28              : #endif
      29           23 :     return 0;
      30              : }
      31              : 
      32              : } // namespace Hccl
      33              : 
      34              : #endif // PROF_SAL_LITE_H