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
|
/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM rpm
#if !defined(_TRACE_RUNTIME_POWER_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_RUNTIME_POWER_H
#include <linux/ktime.h>
#include <linux/tracepoint.h>
struct device;
/*
* The rpm_internal events are used for tracing some important
* runtime pm internal functions.
*/
DECLARE_EVENT_CLASS(rpm_internal,
TP_PROTO(struct device *dev, int flags),
TP_ARGS(dev, flags),
TP_STRUCT__entry(
__string( name, dev_name(dev) )
__field( int, flags )
__field( int , usage_count )
__field( int , disable_depth )
__field( int , runtime_auto )
__field( int , request_pending )
__field( int , irq_safe )
__field( int , child_count )
),
TP_fast_assign(
__assign_str(name, dev_name(dev));
__entry->flags = flags;
__entry->usage_count = atomic_read(
&dev->power.usage_count);
__entry->disable_depth = dev->power.disable_depth;
__entry->runtime_auto = dev->power.runtime_auto;
__entry->request_pending = dev->power.request_pending;
__entry->irq_safe = dev->power.irq_safe;
__entry->child_count = atomic_read(
&dev->power.child_count);
),
TP_printk("%s flags-%x cnt-%-2d dep-%-2d auto-%-1d p-%-1d"
" irq-%-1d child-%d",
__get_str(name), __entry->flags,
__entry->usage_count,
__entry->disable_depth,
__entry->runtime_auto,
__entry->request_pending,
__entry->irq_safe,
__entry->child_count
)
);
DEFINE_EVENT(rpm_internal, rpm_suspend,
TP_PROTO(struct device *dev, int flags),
TP_ARGS(dev, flags)
);
DEFINE_EVENT(rpm_internal, rpm_resume,
TP_PROTO(struct device *dev, int flags),
TP_ARGS(dev, flags)
);
DEFINE_EVENT(rpm_internal, rpm_idle,
TP_PROTO(struct device *dev, int flags),
TP_ARGS(dev, flags)
);
DEFINE_EVENT(rpm_internal, rpm_usage,
TP_PROTO(struct device *dev, int flags),
TP_ARGS(dev, flags)
);
TRACE_EVENT(rpm_return_int,
TP_PROTO(struct device *dev, unsigned long ip, int ret),
TP_ARGS(dev, ip, ret),
TP_STRUCT__entry(
__string( name, dev_name(dev))
__field( unsigned long, ip )
__field( int, ret )
),
TP_fast_assign(
__assign_str(name, dev_name(dev));
__entry->ip = ip;
__entry->ret = ret;
),
TP_printk("%pS:%s ret=%d", (void *)__entry->ip, __get_str(name),
__entry->ret)
);
#endif /* _TRACE_RUNTIME_POWER_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
|
