tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1#undef TRACE_SYSTEM
2#define TRACE_SYSTEM power
3
4#if !defined(_TRACE_POWER_H) || defined(TRACE_HEADER_MULTI_READ)
5#define _TRACE_POWER_H
6
7#include <linux/ktime.h>
8#include <linux/tracepoint.h>
9
10DECLARE_EVENT_CLASS(cpu,
11
12 TP_PROTO(unsigned int state, unsigned int cpu_id),
13
14 TP_ARGS(state, cpu_id),
15
16 TP_STRUCT__entry(
17 __field( u32, state )
18 __field( u32, cpu_id )
19 ),
20
21 TP_fast_assign(
22 __entry->state = state;
23 __entry->cpu_id = cpu_id;
24 ),
25
26 TP_printk("state=%lu cpu_id=%lu", (unsigned long)__entry->state,
27 (unsigned long)__entry->cpu_id)
28);
29
30DEFINE_EVENT(cpu, cpu_idle,
31
32 TP_PROTO(unsigned int state, unsigned int cpu_id),
33
34 TP_ARGS(state, cpu_id)
35);
36
37/* This file can get included multiple times, TRACE_HEADER_MULTI_READ at top */
38#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING
39#define _PWR_EVENT_AVOID_DOUBLE_DEFINING
40
41#define PWR_EVENT_EXIT -1
42#endif
43
44DEFINE_EVENT(cpu, cpu_frequency,
45
46 TP_PROTO(unsigned int frequency, unsigned int cpu_id),
47
48 TP_ARGS(frequency, cpu_id)
49);
50
51TRACE_EVENT(machine_suspend,
52
53 TP_PROTO(unsigned int state),
54
55 TP_ARGS(state),
56
57 TP_STRUCT__entry(
58 __field( u32, state )
59 ),
60
61 TP_fast_assign(
62 __entry->state = state;
63 ),
64
65 TP_printk("state=%lu", (unsigned long)__entry->state)
66);
67
68/* This code will be removed after deprecation time exceeded (2.6.41) */
69#ifdef CONFIG_EVENT_POWER_TRACING_DEPRECATED
70
71/*
72 * The power events are used for cpuidle & suspend (power_start, power_end)
73 * and for cpufreq (power_frequency)
74 */
75DECLARE_EVENT_CLASS(power,
76
77 TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
78
79 TP_ARGS(type, state, cpu_id),
80
81 TP_STRUCT__entry(
82 __field( u64, type )
83 __field( u64, state )
84 __field( u64, cpu_id )
85 ),
86
87 TP_fast_assign(
88 __entry->type = type;
89 __entry->state = state;
90 __entry->cpu_id = cpu_id;
91 ),
92
93 TP_printk("type=%lu state=%lu cpu_id=%lu", (unsigned long)__entry->type,
94 (unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
95);
96
97DEFINE_EVENT(power, power_start,
98
99 TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
100
101 TP_ARGS(type, state, cpu_id)
102);
103
104DEFINE_EVENT(power, power_frequency,
105
106 TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
107
108 TP_ARGS(type, state, cpu_id)
109);
110
111TRACE_EVENT(power_end,
112
113 TP_PROTO(unsigned int cpu_id),
114
115 TP_ARGS(cpu_id),
116
117 TP_STRUCT__entry(
118 __field( u64, cpu_id )
119 ),
120
121 TP_fast_assign(
122 __entry->cpu_id = cpu_id;
123 ),
124
125 TP_printk("cpu_id=%lu", (unsigned long)__entry->cpu_id)
126
127);
128
129/* Deprecated dummy functions must be protected against multi-declartion */
130#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
131#define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
132
133enum {
134 POWER_NONE = 0,
135 POWER_CSTATE = 1,
136 POWER_PSTATE = 2,
137};
138#endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
139
140#else /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */
141
142#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
143#define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
144enum {
145 POWER_NONE = 0,
146 POWER_CSTATE = 1,
147 POWER_PSTATE = 2,
148};
149
150/* These dummy declaration have to be ripped out when the deprecated
151 events get removed */
152static inline void trace_power_start(u64 type, u64 state, u64 cpuid) {};
153static inline void trace_power_end(u64 cpuid) {};
154static inline void trace_power_frequency(u64 type, u64 state, u64 cpuid) {};
155#endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
156
157#endif /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */
158
159/*
160 * The clock events are used for clock enable/disable and for
161 * clock rate change
162 */
163DECLARE_EVENT_CLASS(clock,
164
165 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
166
167 TP_ARGS(name, state, cpu_id),
168
169 TP_STRUCT__entry(
170 __string( name, name )
171 __field( u64, state )
172 __field( u64, cpu_id )
173 ),
174
175 TP_fast_assign(
176 __assign_str(name, name);
177 __entry->state = state;
178 __entry->cpu_id = cpu_id;
179 ),
180
181 TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
182 (unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
183);
184
185DEFINE_EVENT(clock, clock_enable,
186
187 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
188
189 TP_ARGS(name, state, cpu_id)
190);
191
192DEFINE_EVENT(clock, clock_disable,
193
194 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
195
196 TP_ARGS(name, state, cpu_id)
197);
198
199DEFINE_EVENT(clock, clock_set_rate,
200
201 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
202
203 TP_ARGS(name, state, cpu_id)
204);
205
206/*
207 * The power domain events are used for power domains transitions
208 */
209DECLARE_EVENT_CLASS(power_domain,
210
211 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
212
213 TP_ARGS(name, state, cpu_id),
214
215 TP_STRUCT__entry(
216 __string( name, name )
217 __field( u64, state )
218 __field( u64, cpu_id )
219 ),
220
221 TP_fast_assign(
222 __assign_str(name, name);
223 __entry->state = state;
224 __entry->cpu_id = cpu_id;
225),
226
227 TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
228 (unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
229);
230
231DEFINE_EVENT(power_domain, power_domain_target,
232
233 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
234
235 TP_ARGS(name, state, cpu_id)
236);
237#endif /* _TRACE_POWER_H */
238
239/* This part must be outside protection */
240#include <trace/define_trace.h>