aboutsummaryrefslogtreecommitdiff
path: root/include/linux/mt_sched_mon.h
blob: e3c4f93f18df9b9aacb9b2ce1b76c6f0dd043cb1 (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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
/*CPU holding event: ISR/SoftIRQ/Tasklet/Timer*/
struct sched_block_event {
	int type;
	unsigned long cur_event;
	unsigned long last_event;
	unsigned long long cur_ts;
	unsigned long long last_ts;
	unsigned long long last_te;

	unsigned long cur_count;
	unsigned long last_count;

    int preempt_count;
};
DECLARE_PER_CPU(struct sched_block_event, ISR_mon);
DECLARE_PER_CPU(struct sched_block_event, SoftIRQ_mon);
DECLARE_PER_CPU(struct sched_block_event, tasklet_mon);
DECLARE_PER_CPU(struct sched_block_event, hrt_mon);
DECLARE_PER_CPU(struct sched_block_event, sft_mon);

DECLARE_PER_CPU(int, mt_timer_irq);
extern void mt_trace_ISR_start(int id);
extern void mt_trace_ISR_end(int id);
extern void mt_trace_SoftIRQ_start(int id);
extern void mt_trace_SoftIRQ_end(int id);
extern void mt_trace_tasklet_start(void *func);
extern void mt_trace_tasklet_end(void *func);
extern void mt_trace_hrt_start(void *func);
extern void mt_trace_hrt_end(void *func);
extern void mt_trace_sft_start(void *func);
extern void mt_trace_sft_end(void *func);

extern void mt_save_irq_counts(void);
extern void mt_show_last_irq_counts(void);
extern void mt_show_current_irq_counts(void);

/*Schedule disable event: IRQ/Preempt disable monitor*/
struct sched_stop_event {
	unsigned long long cur_ts;
	unsigned long long last_ts;
	unsigned long long last_te;
};
DECLARE_PER_CPU(struct sched_stop_event, IRQ_disable_mon);
DECLARE_PER_CPU(struct sched_stop_event, Preempt_disable_mon);
extern void MT_trace_irq_on(void);
extern void MT_trace_irq_off(void);
extern void MT_trace_preempt_on(void);
extern void MT_trace_preempt_off(void);
/* [IRQ-disable] White List
 * Flags for special scenario*/
DECLARE_PER_CPU(int, MT_trace_in_sched);
DECLARE_PER_CPU(int, MT_trace_in_resume_console);

extern void mt_aee_dump_sched_traces(void);
extern void mt_dump_sched_traces(void);

DECLARE_PER_CPU(int, mtsched_mon_enabled);
DECLARE_PER_CPU(unsigned long long, local_timer_ts);
DECLARE_PER_CPU(unsigned long long, local_timer_te);

#define MT_LOCAL_TIMER_IRQ 29
#define MT_LOCAL_WDT_IRQ 3
#define MAX_NR_IRQS 512

#ifdef CONFIG_MT_SCHED_MONITOR
#define mt_sched_mon_disable(sflag) \
do { \
    sflag = __raw_get_cpu_var(mtsched_mon_enabled); \
    __raw_get_cpu_var(mtsched_mon_enabled) = 0; \
} while (0)

#define mt_sched_mon_restore(sflag) \
do { \
    __raw_get_cpu_var(mtsched_mon_enabled) = sflag; \
} while (0)
#else

#define mt_sched_mon_disable(sflag) do {} while (0)
#define mt_sched_mon_restore(sflag) do {} while (0)
#endif