kernel/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/pm_qos.h>
   9 #include <linux/tracepoint.h>
  10 #include <linux/ftrace_event.h>
  11
  12 #define TPS(x)  tracepoint_string(x)
  13
  14 DECLARE_EVENT_CLASS(cpu,
  15
  16         TP_PROTO(unsigned int state, unsigned int cpu_id),
  17
  18         TP_ARGS(state, cpu_id),
  19
  20         TP_STRUCT__entry(
  21                 __field(        u32,            state           )
  22                 __field(        u32,            cpu_id          )
  23         ),
  24
  25         TP_fast_assign(
  26                 __entry->state = state;
  27                 __entry->cpu_id = cpu_id;
  28         ),
  29
  30         TP_printk("state=%lu cpu_id=%lu", (unsigned long)__entry->state,
  31                   (unsigned long)__entry->cpu_id)
  32 );
  33
  34 DEFINE_EVENT(cpu, cpu_idle,
  35
  36         TP_PROTO(unsigned int state, unsigned int cpu_id),
  37
  38         TP_ARGS(state, cpu_id)
  39 );
  40
  41 TRACE_EVENT(pstate_sample,
  42
  43         TP_PROTO(u32 core_busy,
  44                 u32 scaled_busy,
  45                 u32 state,
  46                 u64 mperf,
  47                 u64 aperf,
  48                 u32 freq
  49                 ),
  50
  51         TP_ARGS(core_busy,
  52                 scaled_busy,
  53                 state,
  54                 mperf,
  55                 aperf,
  56                 freq
  57                 ),
  58
  59         TP_STRUCT__entry(
  60                 __field(u32, core_busy)
  61                 __field(u32, scaled_busy)
  62                 __field(u32, state)
  63                 __field(u64, mperf)
  64                 __field(u64, aperf)
  65                 __field(u32, freq)
  66
  67         ),
  68
  69         TP_fast_assign(
  70                 __entry->core_busy = core_busy;
  71                 __entry->scaled_busy = scaled_busy;
  72                 __entry->state = state;
  73                 __entry->mperf = mperf;
  74                 __entry->aperf = aperf;
  75                 __entry->freq = freq;
  76                 ),
  77
  78         TP_printk("core_busy=%lu scaled=%lu state=%lu mperf=%llu aperf=%llu freq=%lu ",
  79                 (unsigned long)__entry->core_busy,
  80                 (unsigned long)__entry->scaled_busy,
  81                 (unsigned long)__entry->state,
  82                 (unsigned long long)__entry->mperf,
  83                 (unsigned long long)__entry->aperf,
  84                 (unsigned long)__entry->freq
  85                 )
  86
  87 );
  88
  89 /* This file can get included multiple times, TRACE_HEADER_MULTI_READ at top */
  90 #ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING
  91 #define _PWR_EVENT_AVOID_DOUBLE_DEFINING
  92
  93 #define PWR_EVENT_EXIT -1
  94 #endif
  95
  96 #define pm_verb_symbolic(event) \
  97         __print_symbolic(event, \
  98                 { PM_EVENT_SUSPEND, "suspend" }, \
  99                 { PM_EVENT_RESUME, "resume" }, \
 100                 { PM_EVENT_FREEZE, "freeze" }, \
 101                 { PM_EVENT_QUIESCE, "quiesce" }, \
 102                 { PM_EVENT_HIBERNATE, "hibernate" }, \
 103                 { PM_EVENT_THAW, "thaw" }, \
 104                 { PM_EVENT_RESTORE, "restore" }, \
 105                 { PM_EVENT_RECOVER, "recover" })
 106
 107 DEFINE_EVENT(cpu, cpu_frequency,
 108
 109         TP_PROTO(unsigned int frequency, unsigned int cpu_id),
 110
 111         TP_ARGS(frequency, cpu_id)
 112 );
 113
 114 TRACE_EVENT(device_pm_callback_start,
 115
 116         TP_PROTO(struct device *dev, const char *pm_ops, int event),
 117
 118         TP_ARGS(dev, pm_ops, event),
 119
 120         TP_STRUCT__entry(
 121                 __string(device, dev_name(dev))
 122                 __string(driver, dev_driver_string(dev))
 123                 __string(parent, dev->parent ? dev_name(dev->parent) : "none")
 124                 __string(pm_ops, pm_ops ? pm_ops : "none ")
 125                 __field(int, event)
 126         ),
 127
 128         TP_fast_assign(
 129                 __assign_str(device, dev_name(dev));
 130                 __assign_str(driver, dev_driver_string(dev));
 131                 __assign_str(parent,
 132                         dev->parent ? dev_name(dev->parent) : "none");
 133                 __assign_str(pm_ops, pm_ops ? pm_ops : "none ");
 134                 __entry->event = event;
 135         ),
 136
 137         TP_printk("%s %s, parent: %s, %s[%s]", __get_str(driver),
 138                 __get_str(device), __get_str(parent), __get_str(pm_ops),
 139                 pm_verb_symbolic(__entry->event))
 140 );
 141
 142 TRACE_EVENT(device_pm_callback_end,
 143
 144         TP_PROTO(struct device *dev, int error),
 145
 146         TP_ARGS(dev, error),
 147
 148         TP_STRUCT__entry(
 149                 __string(device, dev_name(dev))
 150                 __string(driver, dev_driver_string(dev))
 151                 __field(int, error)
 152         ),
 153
 154         TP_fast_assign(
 155                 __assign_str(device, dev_name(dev));
 156                 __assign_str(driver, dev_driver_string(dev));
 157                 __entry->error = error;
 158         ),
 159
 160         TP_printk("%s %s, err=%d",
 161                 __get_str(driver), __get_str(device), __entry->error)
 162 );
 163
 164 TRACE_EVENT(suspend_resume,
 165
 166         TP_PROTO(const char *action, int val, bool start),
 167
 168         TP_ARGS(action, val, start),
 169
 170         TP_STRUCT__entry(
 171                 __field(const char *, action)
 172                 __field(int, val)
 173                 __field(bool, start)
 174         ),
 175
 176         TP_fast_assign(
 177                 __entry->action = action;
 178                 __entry->val = val;
 179                 __entry->start = start;
 180         ),
 181
 182         TP_printk("%s[%u] %s", __entry->action, (unsigned int)__entry->val,
 183                 (__entry->start)?"begin":"end")
 184 );
 185
 186 DECLARE_EVENT_CLASS(wakeup_source,
 187
 188         TP_PROTO(const char *name, unsigned int state),
 189
 190         TP_ARGS(name, state),
 191
 192         TP_STRUCT__entry(
 193                 __string(       name,           name            )
 194                 __field(        u64,            state           )
 195         ),
 196
 197         TP_fast_assign(
 198                 __assign_str(name, name);
 199                 __entry->state = state;
 200         ),
 201
 202         TP_printk("%s state=0x%lx", __get_str(name),
 203                 (unsigned long)__entry->state)
 204 );
 205
 206 DEFINE_EVENT(wakeup_source, wakeup_source_activate,
 207
 208         TP_PROTO(const char *name, unsigned int state),
 209
 210         TP_ARGS(name, state)
 211 );
 212
 213 DEFINE_EVENT(wakeup_source, wakeup_source_deactivate,
 214
 215         TP_PROTO(const char *name, unsigned int state),
 216
 217         TP_ARGS(name, state)
 218 );
 219
 220 /*
 221  * The clock events are used for clock enable/disable and for
 222  *  clock rate change
 223  */
 224 DECLARE_EVENT_CLASS(clock,
 225
 226         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 227
 228         TP_ARGS(name, state, cpu_id),
 229
 230         TP_STRUCT__entry(
 231                 __string(       name,           name            )
 232                 __field(        u64,            state           )
 233                 __field(        u64,            cpu_id          )
 234         ),
 235
 236         TP_fast_assign(
 237                 __assign_str(name, name);
 238                 __entry->state = state;
 239                 __entry->cpu_id = cpu_id;
 240         ),
 241
 242         TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
 243                 (unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
 244 );
 245
 246 DEFINE_EVENT(clock, clock_enable,
 247
 248         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 249
 250         TP_ARGS(name, state, cpu_id)
 251 );
 252
 253 DEFINE_EVENT(clock, clock_disable,
 254
 255         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 256
 257         TP_ARGS(name, state, cpu_id)
 258 );
 259
 260 DEFINE_EVENT(clock, clock_set_rate,
 261
 262         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 263
 264         TP_ARGS(name, state, cpu_id)
 265 );
 266
 267 /*
 268  * The power domain events are used for power domains transitions
 269  */
 270 DECLARE_EVENT_CLASS(power_domain,
 271
 272         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 273
 274         TP_ARGS(name, state, cpu_id),
 275
 276         TP_STRUCT__entry(
 277                 __string(       name,           name            )
 278                 __field(        u64,            state           )
 279                 __field(        u64,            cpu_id          )
 280         ),
 281
 282         TP_fast_assign(
 283                 __assign_str(name, name);
 284                 __entry->state = state;
 285                 __entry->cpu_id = cpu_id;
 286 ),
 287
 288         TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
 289                 (unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
 290 );
 291
 292 DEFINE_EVENT(power_domain, power_domain_target,
 293
 294         TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
 295
 296         TP_ARGS(name, state, cpu_id)
 297 );
 298
 299 /*
 300  * The pm qos events are used for pm qos update
 301  */
 302 DECLARE_EVENT_CLASS(pm_qos_request,
 303
 304         TP_PROTO(int pm_qos_class, s32 value),
 305
 306         TP_ARGS(pm_qos_class, value),
 307
 308         TP_STRUCT__entry(
 309                 __field( int,                    pm_qos_class   )
 310                 __field( s32,                    value          )
 311         ),
 312
 313         TP_fast_assign(
 314                 __entry->pm_qos_class = pm_qos_class;
 315                 __entry->value = value;
 316         ),
 317
 318         TP_printk("pm_qos_class=%s value=%d",
 319                   __print_symbolic(__entry->pm_qos_class,
 320                         { PM_QOS_CPU_DMA_LATENCY,       "CPU_DMA_LATENCY" },
 321                         { PM_QOS_NETWORK_LATENCY,       "NETWORK_LATENCY" },
 322                         { PM_QOS_NETWORK_THROUGHPUT,    "NETWORK_THROUGHPUT" }),
 323                   __entry->value)
 324 );
 325
 326 DEFINE_EVENT(pm_qos_request, pm_qos_add_request,
 327
 328         TP_PROTO(int pm_qos_class, s32 value),
 329
 330         TP_ARGS(pm_qos_class, value)
 331 );
 332
 333 DEFINE_EVENT(pm_qos_request, pm_qos_update_request,
 334
 335         TP_PROTO(int pm_qos_class, s32 value),
 336
 337         TP_ARGS(pm_qos_class, value)
 338 );
 339
 340 DEFINE_EVENT(pm_qos_request, pm_qos_remove_request,
 341
 342         TP_PROTO(int pm_qos_class, s32 value),
 343
 344         TP_ARGS(pm_qos_class, value)
 345 );
 346
 347 TRACE_EVENT(pm_qos_update_request_timeout,
 348
 349         TP_PROTO(int pm_qos_class, s32 value, unsigned long timeout_us),
 350
 351         TP_ARGS(pm_qos_class, value, timeout_us),
 352
 353         TP_STRUCT__entry(
 354                 __field( int,                    pm_qos_class   )
 355                 __field( s32,                    value          )
 356                 __field( unsigned long,          timeout_us     )
 357         ),
 358
 359         TP_fast_assign(
 360                 __entry->pm_qos_class = pm_qos_class;
 361                 __entry->value = value;
 362                 __entry->timeout_us = timeout_us;
 363         ),
 364
 365         TP_printk("pm_qos_class=%s value=%d, timeout_us=%ld",
 366                   __print_symbolic(__entry->pm_qos_class,
 367                         { PM_QOS_CPU_DMA_LATENCY,       "CPU_DMA_LATENCY" },
 368                         { PM_QOS_NETWORK_LATENCY,       "NETWORK_LATENCY" },
 369                         { PM_QOS_NETWORK_THROUGHPUT,    "NETWORK_THROUGHPUT" }),
 370                   __entry->value, __entry->timeout_us)
 371 );
 372
 373 DECLARE_EVENT_CLASS(pm_qos_update,
 374
 375         TP_PROTO(enum pm_qos_req_action action, int prev_value, int curr_value),
 376
 377         TP_ARGS(action, prev_value, curr_value),
 378
 379         TP_STRUCT__entry(
 380                 __field( enum pm_qos_req_action, action         )
 381                 __field( int,                    prev_value     )
 382                 __field( int,                    curr_value     )
 383         ),
 384
 385         TP_fast_assign(
 386                 __entry->action = action;
 387                 __entry->prev_value = prev_value;
 388                 __entry->curr_value = curr_value;
 389         ),
 390
 391         TP_printk("action=%s prev_value=%d curr_value=%d",
 392                   __print_symbolic(__entry->action,
 393                         { PM_QOS_ADD_REQ,       "ADD_REQ" },
 394                         { PM_QOS_UPDATE_REQ,    "UPDATE_REQ" },
 395                         { PM_QOS_REMOVE_REQ,    "REMOVE_REQ" }),
 396                   __entry->prev_value, __entry->curr_value)
 397 );
 398
 399 DEFINE_EVENT(pm_qos_update, pm_qos_update_target,
 400
 401         TP_PROTO(enum pm_qos_req_action action, int prev_value, int curr_value),
 402
 403         TP_ARGS(action, prev_value, curr_value)
 404 );
 405
 406 DEFINE_EVENT_PRINT(pm_qos_update, pm_qos_update_flags,
 407
 408         TP_PROTO(enum pm_qos_req_action action, int prev_value, int curr_value),
 409
 410         TP_ARGS(action, prev_value, curr_value),
 411
 412         TP_printk("action=%s prev_value=0x%x curr_value=0x%x",
 413                   __print_symbolic(__entry->action,
 414                         { PM_QOS_ADD_REQ,       "ADD_REQ" },
 415                         { PM_QOS_UPDATE_REQ,    "UPDATE_REQ" },
 416                         { PM_QOS_REMOVE_REQ,    "REMOVE_REQ" }),
 417                   __entry->prev_value, __entry->curr_value)
 418 );
 419
 420 DECLARE_EVENT_CLASS(dev_pm_qos_request,
 421
 422         TP_PROTO(const char *name, enum dev_pm_qos_req_type type,
 423                  s32 new_value),
 424
 425         TP_ARGS(name, type, new_value),
 426
 427         TP_STRUCT__entry(
 428                 __string( name,                    name         )
 429                 __field( enum dev_pm_qos_req_type, type         )
 430                 __field( s32,                      new_value    )
 431         ),
 432
 433         TP_fast_assign(
 434                 __assign_str(name, name);
 435                 __entry->type = type;
 436                 __entry->new_value = new_value;
 437         ),
 438
 439         TP_printk("device=%s type=%s new_value=%d",
 440                   __get_str(name),
 441                   __print_symbolic(__entry->type,
 442                         { DEV_PM_QOS_RESUME_LATENCY, "DEV_PM_QOS_RESUME_LATENCY" },
 443                         { DEV_PM_QOS_FLAGS, "DEV_PM_QOS_FLAGS" }),
 444                   __entry->new_value)
 445 );
 446
 447 DEFINE_EVENT(dev_pm_qos_request, dev_pm_qos_add_request,
 448
 449         TP_PROTO(const char *name, enum dev_pm_qos_req_type type,
 450                  s32 new_value),
 451
 452         TP_ARGS(name, type, new_value)
 453 );
 454
 455 DEFINE_EVENT(dev_pm_qos_request, dev_pm_qos_update_request,
 456
 457         TP_PROTO(const char *name, enum dev_pm_qos_req_type type,
 458                  s32 new_value),
 459
 460         TP_ARGS(name, type, new_value)
 461 );
 462
 463 DEFINE_EVENT(dev_pm_qos_request, dev_pm_qos_remove_request,
 464
 465         TP_PROTO(const char *name, enum dev_pm_qos_req_type type,
 466                  s32 new_value),
 467
 468         TP_ARGS(name, type, new_value)
 469 );
 470 #endif /* _TRACE_POWER_H */
 471
 472 /* This part must be outside protection */
 473 #include <trace/define_trace.h>