summaryrefslogtreecommitdiffstats
path: root/include/trace/events/osnoise.h
blob: a2379a4f06849dc2a1a6c49981ab211c0973b07c (plain)
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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM osnoise

#if !defined(_OSNOISE_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
#define _OSNOISE_TRACE_H

#include <linux/tracepoint.h>
TRACE_EVENT(thread_noise,

	TP_PROTO(struct task_struct *t, u64 start, u64 duration),

	TP_ARGS(t, start, duration),

	TP_STRUCT__entry(
		__array(	char,		comm,	TASK_COMM_LEN)
		__field(	u64,		start	)
		__field(	u64,		duration)
		__field(	pid_t,		pid	)
	),

	TP_fast_assign(
		memcpy(__entry->comm, t->comm, TASK_COMM_LEN);
		__entry->pid = t->pid;
		__entry->start = start;
		__entry->duration = duration;
	),

	TP_printk("%8s:%d start %llu.%09u duration %llu ns",
		__entry->comm,
		__entry->pid,
		__print_ns_to_secs(__entry->start),
		__print_ns_without_secs(__entry->start),
		__entry->duration)
);

TRACE_EVENT(softirq_noise,

	TP_PROTO(int vector, u64 start, u64 duration),

	TP_ARGS(vector, start, duration),

	TP_STRUCT__entry(
		__field(	u64,		start	)
		__field(	u64,		duration)
		__field(	int,		vector	)
	),

	TP_fast_assign(
		__entry->vector = vector;
		__entry->start = start;
		__entry->duration = duration;
	),

	TP_printk("%8s:%d start %llu.%09u duration %llu ns",
		show_softirq_name(__entry->vector),
		__entry->vector,
		__print_ns_to_secs(__entry->start),
		__print_ns_without_secs(__entry->start),
		__entry->duration)
);

TRACE_EVENT(irq_noise,

	TP_PROTO(int vector, const char *desc, u64 start, u64 duration),

	TP_ARGS(vector, desc, start, duration),

	TP_STRUCT__entry(
		__field(	u64,		start	)
		__field(	u64,		duration)
		__string(	desc,		desc    )
		__field(	int,		vector	)

	),

	TP_fast_assign(
		__assign_str(desc);
		__entry->vector = vector;
		__entry->start = start;
		__entry->duration = duration;
	),

	TP_printk("%s:%d start %llu.%09u duration %llu ns",
		__get_str(desc),
		__entry->vector,
		__print_ns_to_secs(__entry->start),
		__print_ns_without_secs(__entry->start),
		__entry->duration)
);

TRACE_EVENT(nmi_noise,

	TP_PROTO(u64 start, u64 duration),

	TP_ARGS(start, duration),

	TP_STRUCT__entry(
		__field(	u64,		start	)
		__field(	u64,		duration)
	),

	TP_fast_assign(
		__entry->start = start;
		__entry->duration = duration;
	),

	TP_printk("start %llu.%09u duration %llu ns",
		__print_ns_to_secs(__entry->start),
		__print_ns_without_secs(__entry->start),
		__entry->duration)
);

TRACE_EVENT(sample_threshold,

	TP_PROTO(u64 start, u64 duration, u64 interference),

	TP_ARGS(start, duration, interference),

	TP_STRUCT__entry(
		__field(	u64,		start	)
		__field(	u64,		duration)
		__field(	u64,		interference)
	),

	TP_fast_assign(
		__entry->start = start;
		__entry->duration = duration;
		__entry->interference = interference;
	),

	TP_printk("start %llu.%09u duration %llu ns interference %llu",
		__print_ns_to_secs(__entry->start),
		__print_ns_without_secs(__entry->start),
		__entry->duration,
		__entry->interference)
);

#endif /* _TRACE_OSNOISE_H */

/* This part must be outside protection */
#include <trace/define_trace.h>