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_ */