instrumentation/events/lttng-module/power.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM power
   4
   5 #if !defined(LTTNG_TRACE_POWER_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define LTTNG_TRACE_POWER_H
   7
   8 #include <probes/lttng-tracepoint-event.h>
   9 #include <linux/ktime.h>
  10 #include <linux/version.h>
  11
  12 LTTNG_TRACEPOINT_EVENT_CLASS(power_cpu,
  13
  14         TP_PROTO(unsigned int state, unsigned int cpu_id),
  15
  16         TP_ARGS(state, cpu_id),
  17
  18         TP_FIELDS(
  19                 ctf_integer(u32, state, state)
  20                 ctf_integer(u32, cpu_id, cpu_id)
  21         )
  22 )
  23
  24 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(power_cpu, cpu_idle,
  25
  26         power_cpu_idle,
  27
  28         TP_PROTO(unsigned int state, unsigned int cpu_id),
  29
  30         TP_ARGS(state, cpu_id)
  31 )
  32
  33 /* This file can get included multiple times, TRACE_HEADER_MULTI_READ at top */
  34 #ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING
  35 #define _PWR_EVENT_AVOID_DOUBLE_DEFINING
  36
  37 #define PWR_EVENT_EXIT -1
  38 #endif
  39
  40 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(power_cpu, cpu_frequency,
  41
  42         power_cpu_frequency,
  43
  44         TP_PROTO(unsigned int frequency, unsigned int cpu_id),
  45
  46         TP_ARGS(frequency, cpu_id)
  47 )
  48
  49 LTTNG_TRACEPOINT_EVENT_MAP(machine_suspend,
  50
  51         power_machine_suspend,
  52
  53         TP_PROTO(unsigned int state),
  54
  55         TP_ARGS(state),
  56
  57         TP_FIELDS(
  58                 ctf_integer(u32, state, state)
  59         )
  60 )
  61
  62 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0))
  63 LTTNG_TRACEPOINT_EVENT_CLASS(power_wakeup_source,
  64
  65         TP_PROTO(const char *name, unsigned int state),
  66
  67         TP_ARGS(name, state),
  68
  69         TP_FIELDS(
  70                 ctf_string(name, name)
  71                 ctf_integer(u64, state, state)
  72         )
  73 )
  74
  75 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(power_wakeup_source, wakeup_source_activate,
  76
  77         power_wakeup_source_activate,
  78
  79         TP_PROTO(const char *name, unsigned int state),
  80
  81         TP_ARGS(name, state)
  82 )
  83
  84 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(power_wakeup_source, wakeup_source_deactivate,
  85
  86         power_wakeup_source_deactivate,
  87
  88         TP_PROTO(const char *name, unsigned int state),
  89
  90         TP_ARGS(name, state)
  91 )
  92 #endif
  93
  94 #ifdef CONFIG_EVENT_POWER_TRACING_DEPRECATED
  95
  96 /*
  97  * The power events are used for cpuidle & suspend (power_start, power_end)
  98  *  and for cpufreq (power_frequency)
  99  */
 100 LTTNG_TRACEPOINT_EVENT_CLASS(power,
 101
 102         TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
 103
 104         TP_ARGS(type, state, cpu_id),
 105
 106         TP_FIELDS(
 107                 ctf_integer(u64, type, type)
 108                 ctf_integer(u64, state, state)
 109                 ctf_integer(u64, cpu_id, cpu_id)
 110         )
 111 )
 112
 113 LTTNG_TRACEPOINT_EVENT_INSTANCE(power, power_start,
 114
 115         TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
 116
 117         TP_ARGS(type, state, cpu_id)
 118 )
 119
 120 LTTNG_TRACEPOINT_EVENT_INSTANCE(power, power_frequency,
 121
 122         TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
 123
 124         TP_ARGS(type, state, cpu_id)
 125 )
 126
 127 LTTNG_TRACEPOINT_EVENT(power_end,
 128
 129         TP_PROTO(unsigned int cpu_id),
 130
 131         TP_ARGS(cpu_id),
 132
 133         TP_FIELDS(
 134                 ctf_integer(u64, cpu_id, cpu_id)
 135         )
 136 )
 137
 138 /* Deprecated dummy functions must be protected against multi-declartion */
 139 #ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
 140 #define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
 141
 142 enum {
 143         POWER_NONE = 0,
 144         POWER_CSTATE = 1,
 145         POWER_PSTATE = 2,
 146 };
 147 #endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
 148
 149 #else /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */
 150
 151 #ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
 152 #define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
 153 enum {
 154        POWER_NONE = 0,
 155        POWER_CSTATE = 1,
 156        POWER_PSTATE = 2,
 157 };
 158
 159 /* These dummy declaration have to be ripped out when the deprecated
 160    events get removed */
 161 static inline void trace_power_start(u64 type, u64 state, u64 cpuid) {};
 162 static inline void trace_power_end(u64 cpuid) {};
 163 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
 164 static inline void trace_power_start_rcuidle(u64 type, u64 state, u64 cpuid) {};
 165 static inline void trace_power_end_rcuidle(u64 cpuid) {};
 166 #endif
 167 static inline void trace_power_frequency(u64 type, u64 state, u64 cpuid) {};
 168 #endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
 169
 170 #endif /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */
 171
 172 /*
 173  * The clock events are used for clock enable/disable and for
 174  *  clock rate change
 175  */
 176 LTTNG_TRACEPOINT_EVENT_CLASS(power_clock,
 177
 178         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 179
 180         TP_ARGS(name, state, cpu_id),
 181
 182         TP_FIELDS(
 183                 ctf_string(name, name)
 184                 ctf_integer(u64, state, state)
 185                 ctf_integer(u64, cpu_id, cpu_id)
 186         )
 187 )
 188
 189 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(power_clock, clock_enable,
 190
 191         power_clock_enable,
 192
 193         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 194
 195         TP_ARGS(name, state, cpu_id)
 196 )
 197
 198 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(power_clock, clock_disable,
 199
 200         power_clock_disable,
 201
 202         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 203
 204         TP_ARGS(name, state, cpu_id)
 205 )
 206
 207 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(power_clock, clock_set_rate,
 208
 209         power_clock_set_rate,
 210
 211         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 212
 213         TP_ARGS(name, state, cpu_id)
 214 )
 215
 216 /*
 217  * The power domain events are used for power domains transitions
 218  */
 219 LTTNG_TRACEPOINT_EVENT_CLASS(power_domain,
 220
 221         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 222
 223         TP_ARGS(name, state, cpu_id),
 224
 225         TP_FIELDS(
 226                 ctf_string(name, name)
 227                 ctf_integer(u64, state, state)
 228                 ctf_integer(u64, cpu_id, cpu_id)
 229         )
 230 )
 231
 232 LTTNG_TRACEPOINT_EVENT_INSTANCE(power_domain, power_domain_target,
 233
 234         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 235
 236         TP_ARGS(name, state, cpu_id)
 237 )
 238
 239 #endif /* LTTNG_TRACE_POWER_H */
 240
 241 /* This part must be outside protection */
 242 #include <probes/define_trace.h>