diff options
Diffstat (limited to 'kernel/sched/tune.h')
| -rw-r--r-- | kernel/sched/tune.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/kernel/sched/tune.h b/kernel/sched/tune.h new file mode 100644 index 000000000000..bb187c6112a7 --- /dev/null +++ b/kernel/sched/tune.h @@ -0,0 +1,37 @@ + +#ifdef CONFIG_SCHED_TUNE + +#include <linux/reciprocal_div.h> + +/* + * System energy normalization constants + */ +struct target_nrg { + unsigned long min_power; + unsigned long max_power; + struct reciprocal_value rdiv; +}; + +int schedtune_cpu_boost(int cpu); +int schedtune_task_boost(struct task_struct *tsk); + +int schedtune_prefer_idle(struct task_struct *tsk); + +void schedtune_enqueue_task(struct task_struct *p, int cpu); +void schedtune_dequeue_task(struct task_struct *p, int cpu); + +unsigned long boosted_cpu_util(int cpu); + +#else /* CONFIG_SCHED_TUNE */ + +#define schedtune_cpu_boost(cpu) 0 +#define schedtune_task_boost(tsk) 0 + +#define schedtune_prefer_idle(tsk) 0 + +#define schedtune_enqueue_task(task, cpu) do { } while (0) +#define schedtune_dequeue_task(task, cpu) do { } while (0) + +#define boosted_cpu_util(cpu) cpu_util_cfs(cpu_rq(cpu)) + +#endif /* CONFIG_SCHED_TUNE */ |