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 /* 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>