include/trace/events/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 #ifndef _TRACE_POWER_ENUM_
  11 #define _TRACE_POWER_ENUM_
  12 enum {
  13         POWER_NONE      = 0,
  14         POWER_CSTATE    = 1,    /* C-State */
  15         POWER_PSTATE    = 2,    /* Fequency change or DVFS */
  16         POWER_SSTATE    = 3,    /* Suspend */
  17 };
  18 #endif
  19
  20 /*
  21  * The power events are used for cpuidle & suspend (power_start, power_end)
  22  *  and for cpufreq (power_frequency)
  23  */
  24 DECLARE_EVENT_CLASS(power,
  25
  26         TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
  27
  28         TP_ARGS(type, state, cpu_id),
  29
  30         TP_STRUCT__entry(
  31                 __field(        u64,            type            )
  32                 __field(        u64,            state           )
  33                 __field(        u64,            cpu_id          )
  34         ),
  35
  36         TP_fast_assign(
  37                 __entry->type = type;
  38                 __entry->state = state;
  39                 __entry->cpu_id = cpu_id;
  40         ),
  41
  42         TP_printk("type=%lu state=%lu cpu_id=%lu", (unsigned long)__entry->type,
  43                 (unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
  44 );
  45
  46 DEFINE_EVENT(power, power_start,
  47
  48         TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
  49
  50         TP_ARGS(type, state, cpu_id)
  51 );
  52
  53 DEFINE_EVENT(power, power_frequency,
  54
  55         TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
  56
  57         TP_ARGS(type, state, cpu_id)
  58 );
  59
  60 TRACE_EVENT(power_end,
  61
  62         TP_PROTO(unsigned int cpu_id),
  63
  64         TP_ARGS(cpu_id),
  65
  66         TP_STRUCT__entry(
  67                 __field(        u64,            cpu_id          )
  68         ),
  69
  70         TP_fast_assign(
  71                 __entry->cpu_id = cpu_id;
  72         ),
  73
  74         TP_printk("cpu_id=%lu", (unsigned long)__entry->cpu_id)
  75
  76 );
  77
  78 /*
  79  * The clock events are used for clock enable/disable and for
  80  *  clock rate change
  81  */
  82 DECLARE_EVENT_CLASS(clock,
  83
  84         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
  85
  86         TP_ARGS(name, state, cpu_id),
  87
  88         TP_STRUCT__entry(
  89                 __string(       name,           name            )
  90                 __field(        u64,            state           )
  91                 __field(        u64,            cpu_id          )
  92         ),
  93
  94         TP_fast_assign(
  95                 __assign_str(name, name);
  96                 __entry->state = state;
  97                 __entry->cpu_id = cpu_id;
  98         ),
  99
 100         TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
 101                 (unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
 102 );
 103
 104 DEFINE_EVENT(clock, clock_enable,
 105
 106         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 107
 108         TP_ARGS(name, state, cpu_id)
 109 );
 110
 111 DEFINE_EVENT(clock, clock_disable,
 112
 113         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 114
 115         TP_ARGS(name, state, cpu_id)
 116 );
 117
 118 DEFINE_EVENT(clock, clock_set_rate,
 119
 120         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 121
 122         TP_ARGS(name, state, cpu_id)
 123 );
 124
 125 /*
 126  * The power domain events are used for power domains transitions
 127  */
 128 DECLARE_EVENT_CLASS(power_domain,
 129
 130         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 131
 132         TP_ARGS(name, state, cpu_id),
 133
 134         TP_STRUCT__entry(
 135                 __string(       name,           name            )
 136                 __field(        u64,            state           )
 137                 __field(        u64,            cpu_id          )
 138         ),
 139
 140         TP_fast_assign(
 141                 __assign_str(name, name);
 142                 __entry->state = state;
 143                 __entry->cpu_id = cpu_id;
 144 ),
 145
 146         TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
 147                 (unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
 148 );
 149
 150 DEFINE_EVENT(power_domain, power_domain_target,
 151
 152         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 153
 154         TP_ARGS(name, state, cpu_id)
 155 );
 156
 157 #endif /* _TRACE_POWER_H */
 158
 159 /* This part must be outside protection */
 160 #include <trace/define_trace.h>