drivers/staging/lttng/instrumentation/events/mainline/power.h

   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 DECLARE_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
  88 DEFINE_EVENT(wakeup_source, wakeup_source_activate,
  89
  90         TP_PROTO(const char *name, unsigned int state),
  91
  92         TP_ARGS(name, state)
  93 );
  94
  95 DEFINE_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  */
 108 DECLARE_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
 130 DEFINE_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
 137 DEFINE_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
 144 TRACE_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
 166 enum {
 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
 177 enum {
 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 */
 185 static inline void trace_power_start(u64 type, u64 state, u64 cpuid) {};
 186 static inline void trace_power_end(u64 cpuid) {};
 187 static inline void trace_power_start_rcuidle(u64 type, u64 state, u64 cpuid) {};
 188 static inline void trace_power_end_rcuidle(u64 cpuid) {};
 189 static 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  */
 198 DECLARE_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
 220 DEFINE_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
 227 DEFINE_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
 234 DEFINE_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  */
 244 DECLARE_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
 266 DEFINE_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>