include/linux/idle_inject.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (C) 2018 Linaro Ltd
   4  *
   5  * Author: Daniel Lezcano <daniel.lezcano@linaro.org>
   6  *
   7  */
   8 #ifndef __IDLE_INJECT_H__
   9 #define __IDLE_INJECT_H__
  10
  11 /* private idle injection device structure */
  12 struct idle_inject_device;
  13
  14 struct idle_inject_device *idle_inject_register(struct cpumask *cpumask);
  15
  16 struct idle_inject_device *idle_inject_register_full(struct cpumask *cpumask,
  17                                                      bool (*update)(void));
  18
  19 void idle_inject_unregister(struct idle_inject_device *ii_dev);
  20
  21 int idle_inject_start(struct idle_inject_device *ii_dev);
  22
  23 void idle_inject_stop(struct idle_inject_device *ii_dev);
  24
  25 void idle_inject_set_duration(struct idle_inject_device *ii_dev,
  26                                  unsigned int run_duration_us,
  27                                  unsigned int idle_duration_us);
  28
  29 void idle_inject_get_duration(struct idle_inject_device *ii_dev,
  30                                  unsigned int *run_duration_us,
  31                                  unsigned int *idle_duration_us);
  32
  33 void idle_inject_set_latency(struct idle_inject_device *ii_dev,
  34                              unsigned int latency_us);
  35
  36 #endif /* __IDLE_INJECT_H__ */