1/* SPDX-License-Identifier: GPL-2.0 */
2
3#undef TRACE_SYSTEM
4#define TRACE_SYSTEM rpm
5
6#if !defined(_TRACE_RUNTIME_POWER_H) || defined(TRACE_HEADER_MULTI_READ)
7#define _TRACE_RUNTIME_POWER_H
8
9#include <linux/ktime.h>
10#include <linux/tracepoint.h>
11
12struct device;
13
14/*
15 * The rpm_internal events are used for tracing some important
16 * runtime pm internal functions.
17 */
18DECLARE_EVENT_CLASS(rpm_internal,
19
20 TP_PROTO(struct device *dev, int flags),
21
22 TP_ARGS(dev, flags),
23
24 TP_STRUCT__entry(
25 __string( name, dev_name(dev) )
26 __field( int, flags )
27 __field( int , usage_count )
28 __field( int , disable_depth )
29 __field( int , runtime_auto )
30 __field( int , request_pending )
31 __field( int , irq_safe )
32 __field( int , child_count )
33 ),
34
35 TP_fast_assign(
36 __assign_str(name, dev_name(dev));
37 __entry->flags = flags;
38 __entry->usage_count = atomic_read(
39 &dev->power.usage_count);
40 __entry->disable_depth = dev->power.disable_depth;
41 __entry->runtime_auto = dev->power.runtime_auto;
42 __entry->request_pending = dev->power.request_pending;
43 __entry->irq_safe = dev->power.irq_safe;
44 __entry->child_count = atomic_read(
45 &dev->power.child_count);
46 ),
47
48 TP_printk("%s flags-%x cnt-%-2d dep-%-2d auto-%-1d p-%-1d"
49 " irq-%-1d child-%d",
50 __get_str(name), __entry->flags,
51 __entry->usage_count,
52 __entry->disable_depth,
53 __entry->runtime_auto,
54 __entry->request_pending,
55 __entry->irq_safe,
56 __entry->child_count
57 )
58);
59DEFINE_EVENT(rpm_internal, rpm_suspend,
60
61 TP_PROTO(struct device *dev, int flags),
62
63 TP_ARGS(dev, flags)
64);
65DEFINE_EVENT(rpm_internal, rpm_resume,
66
67 TP_PROTO(struct device *dev, int flags),
68
69 TP_ARGS(dev, flags)
70);
71DEFINE_EVENT(rpm_internal, rpm_idle,
72
73 TP_PROTO(struct device *dev, int flags),
74
75 TP_ARGS(dev, flags)
76);
77
78TRACE_EVENT(rpm_return_int,
79 TP_PROTO(struct device *dev, unsigned long ip, int ret),
80 TP_ARGS(dev, ip, ret),
81
82 TP_STRUCT__entry(
83 __string( name, dev_name(dev))
84 __field( unsigned long, ip )
85 __field( int, ret )
86 ),
87
88 TP_fast_assign(
89 __assign_str(name, dev_name(dev));
90 __entry->ip = ip;
91 __entry->ret = ret;
92 ),
93
94 TP_printk("%pS:%s ret=%d", (void *)__entry->ip, __get_str(name),
95 __entry->ret)
96);
97
98#endif /* _TRACE_RUNTIME_POWER_H */
99
100/* This part must be outside protection */
101#include <trace/define_trace.h>
102