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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
|
#undef TRACE_SYSTEM
#define TRACE_SYSTEM power
#if !defined(_TRACE_POWER_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_POWER_H
#include <linux/ktime.h>
#include <linux/tracepoint.h>
DECLARE_EVENT_CLASS(cpu,
TP_PROTO(unsigned int state, unsigned int cpu_id),
TP_ARGS(state, cpu_id),
TP_STRUCT__entry(
__field( u32, state )
__field( u32, cpu_id )
),
TP_fast_assign(
__entry->state = state;
__entry->cpu_id = cpu_id;
),
TP_printk("state=%lu cpu_id=%lu", (unsigned long)__entry->state,
(unsigned long)__entry->cpu_id)
);
DEFINE_EVENT(cpu, cpu_idle,
TP_PROTO(unsigned int state, unsigned int cpu_id),
TP_ARGS(state, cpu_id)
);
/* This file can get included multiple times, TRACE_HEADER_MULTI_READ at top */
#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING
#define _PWR_EVENT_AVOID_DOUBLE_DEFINING
#define PWR_EVENT_EXIT -1
#endif
DEFINE_EVENT(cpu, cpu_frequency,
TP_PROTO(unsigned int frequency, unsigned int cpu_id),
TP_ARGS(frequency, cpu_id)
);
TRACE_EVENT(machine_suspend,
TP_PROTO(unsigned int state),
TP_ARGS(state),
TP_STRUCT__entry(
__field( u32, state )
),
TP_fast_assign(
__entry->state = state;
),
TP_printk("state=%lu", (unsigned long)__entry->state)
);
/* This code will be removed after deprecation time exceeded (2.6.41) */
#ifdef CONFIG_EVENT_POWER_TRACING_DEPRECATED
/*
* The power events are used for cpuidle & suspend (power_start, power_end)
* and for cpufreq (power_frequency)
*/
DECLARE_EVENT_CLASS(power,
TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
TP_ARGS(type, state, cpu_id),
TP_STRUCT__entry(
__field( u64, type )
__field( u64, state )
__field( u64, cpu_id )
),
TP_fast_assign(
__entry->type = type;
__entry->state = state;
__entry->cpu_id = cpu_id;
),
TP_printk("type=%lu state=%lu cpu_id=%lu", (unsigned long)__entry->type,
(unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
);
DEFINE_EVENT(power, power_start,
TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
TP_ARGS(type, state, cpu_id)
);
DEFINE_EVENT(power, power_frequency,
TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
TP_ARGS(type, state, cpu_id)
);
TRACE_EVENT(power_end,
TP_PROTO(unsigned int cpu_id),
TP_ARGS(cpu_id),
TP_STRUCT__entry(
__field( u64, cpu_id )
),
TP_fast_assign(
__entry->cpu_id = cpu_id;
),
TP_printk("cpu_id=%lu", (unsigned long)__entry->cpu_id)
);
/* Deprecated dummy functions must be protected against multi-declartion */
#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
#define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
enum {
POWER_NONE = 0,
POWER_CSTATE = 1,
POWER_PSTATE = 2,
};
#endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
#else /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */
#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
#define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
enum {
POWER_NONE = 0,
POWER_CSTATE = 1,
POWER_PSTATE = 2,
};
/* These dummy declaration have to be ripped out when the deprecated
events get removed */
static inline void trace_power_start(u64 type, u64 state, u64 cpuid) {};
static inline void trace_power_end(u64 cpuid) {};
static inline void trace_power_start_rcuidle(u64 type, u64 state, u64 cpuid) {};
static inline void trace_power_end_rcuidle(u64 cpuid) {};
static inline void trace_power_frequency(u64 type, u64 state, u64 cpuid) {};
#endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
#endif /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */
/*
* The clock events are used for clock enable/disable and for
* clock rate change
*/
DECLARE_EVENT_CLASS(clock,
TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
TP_ARGS(name, state, cpu_id),
TP_STRUCT__entry(
__string( name, name )
__field( u64, state )
__field( u64, cpu_id )
),
TP_fast_assign(
__assign_str(name, name);
__entry->state = state;
__entry->cpu_id = cpu_id;
),
TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
(unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
);
DEFINE_EVENT(clock, clock_enable,
TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
TP_ARGS(name, state, cpu_id)
);
DEFINE_EVENT(clock, clock_disable,
TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
TP_ARGS(name, state, cpu_id)
);
DEFINE_EVENT(clock, clock_set_rate,
TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
TP_ARGS(name, state, cpu_id)
);
/*
* The power domain events are used for power domains transitions
*/
DECLARE_EVENT_CLASS(power_domain,
TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
TP_ARGS(name, state, cpu_id),
TP_STRUCT__entry(
__string( name, name )
__field( u64, state )
__field( u64, cpu_id )
),
TP_fast_assign(
__assign_str(name, name);
__entry->state = state;
__entry->cpu_id = cpu_id;
),
TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
(unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
);
DEFINE_EVENT(power_domain, power_domain_target,
TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
TP_ARGS(name, state, cpu_id)
);
#endif /* _TRACE_POWER_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
|
