Line data    Source code

       1            0 : /*
       2              :  * Copyright (c) 2021,2023, Intel Corporation
       3              :  *
       4              :  * SPDX-License-Identifier: Apache-2.0
       5              :  */
       6              : 
       7              : #ifndef ZEPHYR_INCLUDE_KERNEL_STATS_H_
       8              : #define ZEPHYR_INCLUDE_KERNEL_STATS_H_
       9              : 
      10              : #include <stdint.h>
      11              : #include <stdbool.h>
      12              : 
      13              : /**
      14              :  * Structure used to track internal statistics about both thread
      15              :  * and CPU usage.
      16              :  */
      17              : 
      18            1 : struct k_cycle_stats {
      19            1 :         uint64_t  total;        /**< total usage in cycles */
      20              : #if defined(CONFIG_SCHED_THREAD_USAGE_ANALYSIS) || defined(__DOXYGEN__)
      21              :         /**
      22              :          * @name Fields available when CONFIG_SCHED_THREAD_USAGE_ANALYSIS is selected.
      23              :          * @{
      24              :          */
      25            1 :         uint64_t  current;      /**< \# of cycles in current usage window */
      26            1 :         uint64_t  longest;      /**< \# of cycles in longest usage window */
      27            1 :         uint32_t  num_windows;  /**< \# of usage windows */
      28              :         /** @} */
      29              : #endif /* CONFIG_SCHED_THREAD_USAGE_ANALYSIS */
      30            1 :         bool      track_usage;  /**< true if gathering usage stats */
      31              : };
      32              : 
      33              : #endif /* ZEPHYR_INCLUDE_KERNEL_STATS_H_ */