blob: c87863c9b23170a9b47ef99d90faef3e0e35e2f0 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/*
* Constant definitions related to
* scheduling policy.
*/
#ifndef _LINUX_LITMUS_H_
#define _LINUX_LITMUS_H_
#define is_realtime(t) ((t)->policy == SCHED_LITMUS)
#define tsk_rt(t) (&(t)->rt_param)
/* Realtime utility macros */
#ifdef CONFIG_LITMUS_LOCKING
#define is_priority_boosted(t) (tsk_rt(t)->priority_boosted)
#define get_boost_start(t) (tsk_rt(t)->boost_start_time)
#else
#define is_priority_boosted(t) 0
#define get_boost_start(t) 0
#endif
/* task_params macros */
#define get_exec_cost(t) (tsk_rt(t)->task_params.exec_cost)
#define get_rt_period(t) (tsk_rt(t)->task_params.period)
#define get_rt_relative_deadline(t) (tsk_rt(t)->task_params.relative_deadline)
#define get_rt_phase(t) (tsk_rt(t)->task_params.phase)
#define get_partition(t) (tsk_rt(t)->task_params.cpu)
#define get_priority(t) (tsk_rt(t)->task_params.priority)
#define get_class(t) (tsk_rt(t)->task_params.cls)
/* job_param macros */
#define get_exec_time(t) (tsk_rt(t)->job_params.exec_time)
#define get_deadline(t) (tsk_rt(t)->job_params.deadline)
#define get_release(t) (tsk_rt(t)->job_params.release)
#define get_lateness(t) (tsk_rt(t)->job_params.lateness)
#define is_hrt(t) \
(tsk_rt(t)->task_params.cls == RT_CLASS_HARD)
#define is_srt(t) \
(tsk_rt(t)->task_params.cls == RT_CLASS_SOFT)
#define is_be(t) \
(tsk_rt(t)->task_params.cls == RT_CLASS_BEST_EFFORT)
/* Our notion of time within LITMUS: kernel monotonic time. */
static inline lt_t litmus_clock(void)
{
return ktime_to_ns(ktime_get());
}
static inline struct control_page* get_control_page(struct task_struct *t)
{
return tsk_rt(t)->ctrl_page;
}
static inline int has_control_page(struct task_struct* t)
{
return tsk_rt(t)->ctrl_page != NULL;
}
#endif
|
