drivers/staging/lttng/instrumentation/events/lttng-module/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 #include <linux/version.h>
  10
  11 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
  12 DECLARE_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_STRUCT__entry(
  19                 __field(        u32,            state           )
  20                 __field(        u32,            cpu_id          )
  21         ),
  22
  23         TP_fast_assign(
  24                 tp_assign(state, state)
  25                 tp_assign(cpu_id, cpu_id)
  26         ),
  27
  28         TP_printk("state=%lu cpu_id=%lu", (unsigned long)__entry->state,
  29                   (unsigned long)__entry->cpu_id)
  30 )
  31
  32 DEFINE_EVENT_MAP(power_cpu, cpu_idle,
  33
  34         power_cpu_idle,
  35
  36         TP_PROTO(unsigned int state, unsigned int cpu_id),
  37
  38         TP_ARGS(state, cpu_id)
  39 )
  40
  41 /* This file can get included multiple times, TRACE_HEADER_MULTI_READ at top */
  42 #ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING
  43 #define _PWR_EVENT_AVOID_DOUBLE_DEFINING
  44
  45 #define PWR_EVENT_EXIT -1
  46 #endif
  47
  48 DEFINE_EVENT_MAP(power_cpu, cpu_frequency,
  49
  50         power_cpu_frequency,
  51
  52         TP_PROTO(unsigned int frequency, unsigned int cpu_id),
  53
  54         TP_ARGS(frequency, cpu_id)
  55 )
  56
  57 TRACE_EVENT_MAP(machine_suspend,
  58
  59         power_machine_suspend,
  60
  61         TP_PROTO(unsigned int state),
  62
  63         TP_ARGS(state),
  64
  65         TP_STRUCT__entry(
  66                 __field(        u32,            state           )
  67         ),
  68
  69         TP_fast_assign(
  70                 tp_assign(state, state)
  71         ),
  72
  73         TP_printk("state=%lu", (unsigned long)__entry->state)
  74 )
  75 #endif
  76
  77 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0))
  78 DECLARE_EVENT_CLASS(power_wakeup_source,
  79
  80         TP_PROTO(const char *name, unsigned int state),
  81
  82         TP_ARGS(name, state),
  83
  84         TP_STRUCT__entry(
  85                 __string(       name,           name            )
  86                 __field(        u64,            state           )
  87         ),
  88
  89         TP_fast_assign(
  90                 tp_strcpy(name, name)
  91                 tp_assign(state, state)
  92         ),
  93
  94         TP_printk("%s state=0x%lx", __get_str(name),
  95                 (unsigned long)__entry->state)
  96 )
  97
  98 DEFINE_EVENT_MAP(power_wakeup_source, wakeup_source_activate,
  99
 100         power_wakeup_source_activate,
 101
 102         TP_PROTO(const char *name, unsigned int state),
 103
 104         TP_ARGS(name, state)
 105 )
 106
 107 DEFINE_EVENT_MAP(power_wakeup_source, wakeup_source_deactivate,
 108
 109         power_wakeup_source_deactivate,
 110
 111         TP_PROTO(const char *name, unsigned int state),
 112
 113         TP_ARGS(name, state)
 114 )
 115 #endif
 116
 117 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38))
 118 #undef CONFIG_EVENT_POWER_TRACING_DEPRECATED
 119 #define CONFIG_EVENT_POWER_TRACING_DEPRECATED
 120 #define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
 121 #endif
 122
 123 #ifdef CONFIG_EVENT_POWER_TRACING_DEPRECATED
 124
 125 /*
 126  * The power events are used for cpuidle & suspend (power_start, power_end)
 127  *  and for cpufreq (power_frequency)
 128  */
 129 DECLARE_EVENT_CLASS(power,
 130
 131 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
 132         TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
 133
 134         TP_ARGS(type, state, cpu_id),
 135 #else
 136         TP_PROTO(unsigned int type, unsigned int state),
 137
 138         TP_ARGS(type, state),
 139 #endif
 140
 141         TP_STRUCT__entry(
 142                 __field(        u64,            type            )
 143                 __field(        u64,            state           )
 144 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
 145                 __field(        u64,            cpu_id          )
 146 #endif
 147         ),
 148
 149         TP_fast_assign(
 150                 tp_assign(type, type)
 151                 tp_assign(state, state)
 152 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
 153                 tp_assign(cpu_id, cpu_id)
 154 #endif
 155         ),
 156
 157 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
 158         TP_printk("type=%lu state=%lu cpu_id=%lu", (unsigned long)__entry->type,
 159                 (unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
 160 #else
 161         TP_printk("type=%lu state=%lu", (unsigned long)__entry->type,
 162                 (unsigned long)__entry->state)
 163 #endif
 164 )
 165
 166 DEFINE_EVENT(power, power_start,
 167
 168 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
 169         TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
 170
 171         TP_ARGS(type, state, cpu_id)
 172 #else
 173         TP_PROTO(unsigned int type, unsigned int state),
 174
 175         TP_ARGS(type, state)
 176 #endif
 177 )
 178
 179 DEFINE_EVENT(power, power_frequency,
 180
 181 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
 182         TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
 183
 184         TP_ARGS(type, state, cpu_id)
 185 #else
 186         TP_PROTO(unsigned int type, unsigned int state),
 187
 188         TP_ARGS(type, state)
 189 #endif
 190 )
 191
 192 TRACE_EVENT(power_end,
 193
 194 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
 195         TP_PROTO(unsigned int cpu_id),
 196
 197         TP_ARGS(cpu_id),
 198 #else
 199         TP_PROTO(int dummy),
 200
 201         TP_ARGS(dummy),
 202 #endif
 203
 204         TP_STRUCT__entry(
 205 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
 206                 __field(        u64,            cpu_id          )
 207 #else
 208                 __field(        u64,            dummy           )
 209 #endif
 210         ),
 211
 212         TP_fast_assign(
 213 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
 214                 tp_assign(cpu_id, cpu_id)
 215 #else
 216                 tp_assign(dummy, 0xffff)
 217 #endif
 218         ),
 219
 220 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
 221         TP_printk("cpu_id=%lu", (unsigned long)__entry->cpu_id)
 222 #else
 223         TP_printk("dummy=%lu", (unsigned long)__entry->dummy)
 224 #endif
 225 )
 226
 227 /* Deprecated dummy functions must be protected against multi-declartion */
 228 #ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
 229 #define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
 230
 231 enum {
 232         POWER_NONE = 0,
 233         POWER_CSTATE = 1,
 234         POWER_PSTATE = 2,
 235 };
 236 #endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
 237
 238 #else /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */
 239
 240 #ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
 241 #define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
 242 enum {
 243        POWER_NONE = 0,
 244        POWER_CSTATE = 1,
 245        POWER_PSTATE = 2,
 246 };
 247
 248 /* These dummy declaration have to be ripped out when the deprecated
 249    events get removed */
 250 static inline void trace_power_start(u64 type, u64 state, u64 cpuid) {};
 251 static inline void trace_power_end(u64 cpuid) {};
 252 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
 253 static inline void trace_power_start_rcuidle(u64 type, u64 state, u64 cpuid) {};
 254 static inline void trace_power_end_rcuidle(u64 cpuid) {};
 255 #endif
 256 static inline void trace_power_frequency(u64 type, u64 state, u64 cpuid) {};
 257 #endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
 258
 259 #endif /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */
 260
 261 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
 262 /*
 263  * The clock events are used for clock enable/disable and for
 264  *  clock rate change
 265  */
 266 DECLARE_EVENT_CLASS(power_clock,
 267
 268         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 269
 270         TP_ARGS(name, state, cpu_id),
 271
 272         TP_STRUCT__entry(
 273                 __string(       name,           name            )
 274                 __field(        u64,            state           )
 275                 __field(        u64,            cpu_id          )
 276         ),
 277
 278         TP_fast_assign(
 279                 tp_strcpy(name, name)
 280                 tp_assign(state, state)
 281                 tp_assign(cpu_id, cpu_id)
 282         ),
 283
 284         TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
 285                 (unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
 286 )
 287
 288 DEFINE_EVENT_MAP(power_clock, clock_enable,
 289
 290         power_clock_enable,
 291
 292         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 293
 294         TP_ARGS(name, state, cpu_id)
 295 )
 296
 297 DEFINE_EVENT_MAP(power_clock, clock_disable,
 298
 299         power_clock_disable,
 300
 301         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 302
 303         TP_ARGS(name, state, cpu_id)
 304 )
 305
 306 DEFINE_EVENT_MAP(power_clock, clock_set_rate,
 307
 308         power_clock_set_rate,
 309
 310         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 311
 312         TP_ARGS(name, state, cpu_id)
 313 )
 314
 315 /*
 316  * The power domain events are used for power domains transitions
 317  */
 318 DECLARE_EVENT_CLASS(power_domain,
 319
 320         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 321
 322         TP_ARGS(name, state, cpu_id),
 323
 324         TP_STRUCT__entry(
 325                 __string(       name,           name            )
 326                 __field(        u64,            state           )
 327                 __field(        u64,            cpu_id          )
 328         ),
 329
 330         TP_fast_assign(
 331                 tp_strcpy(name, name)
 332                 tp_assign(state, state)
 333                 tp_assign(cpu_id, cpu_id)
 334 ),
 335
 336         TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
 337                 (unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
 338 )
 339
 340 DEFINE_EVENT(power_domain, power_domain_target,
 341
 342         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 343
 344         TP_ARGS(name, state, cpu_id)
 345 )
 346 #endif
 347
 348 #endif /* _TRACE_POWER_H */
 349
 350 /* This part must be outside protection */
 351 #include "../../../probes/define_trace.h"