xref: /openbmc/linux/include/trace/events/power.h (revision 22fd411a)
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 
10 DECLARE_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 
30 DEFINE_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 
44 DEFINE_EVENT(cpu, cpu_frequency,
45 
46 	TP_PROTO(unsigned int frequency, unsigned int cpu_id),
47 
48 	TP_ARGS(frequency, cpu_id)
49 );
50 
51 TRACE_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  */
75 DECLARE_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 
97 DEFINE_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 
104 DEFINE_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 
111 TRACE_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 
133 enum {
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
144 enum {
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 */
152 static inline void trace_power_start(u64 type, u64 state, u64 cpuid) {};
153 static inline void trace_power_end(u64 cpuid) {};
154 static 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  */
163 DECLARE_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 
185 DEFINE_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 
192 DEFINE_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 
199 DEFINE_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  */
209 DECLARE_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 
231 DEFINE_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>
241