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