tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
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
68DECLARE_EVENT_CLASS(wakeup_source,
69
70 TP_PROTO(const char *name, unsigned int state),
71
72 TP_ARGS(name, state),
73
74 TP_STRUCT__entry(
75 __string( name, name )
76 __field( u64, state )
77 ),
78
79 TP_fast_assign(
80 __assign_str(name, name);
81 __entry->state = state;
82 ),
83
84 TP_printk("%s state=0x%lx", __get_str(name),
85 (unsigned long)__entry->state)
86);
87
88DEFINE_EVENT(wakeup_source, wakeup_source_activate,
89
90 TP_PROTO(const char *name, unsigned int state),
91
92 TP_ARGS(name, state)
93);
94
95DEFINE_EVENT(wakeup_source, wakeup_source_deactivate,
96
97 TP_PROTO(const char *name, unsigned int state),
98
99 TP_ARGS(name, state)
100);
101
102#ifdef CONFIG_EVENT_POWER_TRACING_DEPRECATED
103
104/*
105 * The power events are used for cpuidle & suspend (power_start, power_end)
106 * and for cpufreq (power_frequency)
107 */
108DECLARE_EVENT_CLASS(power,
109
110 TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
111
112 TP_ARGS(type, state, cpu_id),
113
114 TP_STRUCT__entry(
115 __field( u64, type )
116 __field( u64, state )
117 __field( u64, cpu_id )
118 ),
119
120 TP_fast_assign(
121 __entry->type = type;
122 __entry->state = state;
123 __entry->cpu_id = cpu_id;
124 ),
125
126 TP_printk("type=%lu state=%lu cpu_id=%lu", (unsigned long)__entry->type,
127 (unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
128);
129
130DEFINE_EVENT(power, power_start,
131
132 TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
133
134 TP_ARGS(type, state, cpu_id)
135);
136
137DEFINE_EVENT(power, power_frequency,
138
139 TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
140
141 TP_ARGS(type, state, cpu_id)
142);
143
144TRACE_EVENT(power_end,
145
146 TP_PROTO(unsigned int cpu_id),
147
148 TP_ARGS(cpu_id),
149
150 TP_STRUCT__entry(
151 __field( u64, cpu_id )
152 ),
153
154 TP_fast_assign(
155 __entry->cpu_id = cpu_id;
156 ),
157
158 TP_printk("cpu_id=%lu", (unsigned long)__entry->cpu_id)
159
160);
161
162/* Deprecated dummy functions must be protected against multi-declartion */
163#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
164#define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
165
166enum {
167 POWER_NONE = 0,
168 POWER_CSTATE = 1,
169 POWER_PSTATE = 2,
170};
171#endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
172
173#else /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */
174
175#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
176#define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
177enum {
178 POWER_NONE = 0,
179 POWER_CSTATE = 1,
180 POWER_PSTATE = 2,
181};
182
183/* These dummy declaration have to be ripped out when the deprecated
184 events get removed */
185static inline void trace_power_start(u64 type, u64 state, u64 cpuid) {};
186static inline void trace_power_end(u64 cpuid) {};
187static inline void trace_power_start_rcuidle(u64 type, u64 state, u64 cpuid) {};
188static inline void trace_power_end_rcuidle(u64 cpuid) {};
189static inline void trace_power_frequency(u64 type, u64 state, u64 cpuid) {};
190#endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
191
192#endif /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */
193
194/*
195 * The clock events are used for clock enable/disable and for
196 * clock rate change
197 */
198DECLARE_EVENT_CLASS(clock,
199
200 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
201
202 TP_ARGS(name, state, cpu_id),
203
204 TP_STRUCT__entry(
205 __string( name, name )
206 __field( u64, state )
207 __field( u64, cpu_id )
208 ),
209
210 TP_fast_assign(
211 __assign_str(name, name);
212 __entry->state = state;
213 __entry->cpu_id = cpu_id;
214 ),
215
216 TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
217 (unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
218);
219
220DEFINE_EVENT(clock, clock_enable,
221
222 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
223
224 TP_ARGS(name, state, cpu_id)
225);
226
227DEFINE_EVENT(clock, clock_disable,
228
229 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
230
231 TP_ARGS(name, state, cpu_id)
232);
233
234DEFINE_EVENT(clock, clock_set_rate,
235
236 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
237
238 TP_ARGS(name, state, cpu_id)
239);
240
241/*
242 * The power domain events are used for power domains transitions
243 */
244DECLARE_EVENT_CLASS(power_domain,
245
246 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
247
248 TP_ARGS(name, state, cpu_id),
249
250 TP_STRUCT__entry(
251 __string( name, name )
252 __field( u64, state )
253 __field( u64, cpu_id )
254 ),
255
256 TP_fast_assign(
257 __assign_str(name, name);
258 __entry->state = state;
259 __entry->cpu_id = cpu_id;
260),
261
262 TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
263 (unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
264);
265
266DEFINE_EVENT(power_domain, power_domain_target,
267
268 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
269
270 TP_ARGS(name, state, cpu_id)
271);
272#endif /* _TRACE_POWER_H */
273
274/* This part must be outside protection */
275#include <trace/define_trace.h>