1 /* SPDX-License-Identifier: GPL-2.0 */
2 #undef TRACE_SYSTEM
3 #define TRACE_SYSTEM power
4
5 #if !defined(_TRACE_POWER_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define _TRACE_POWER_H
7
8 #include <linux/cpufreq.h>
9 #include <linux/ktime.h>
10 #include <linux/pm_qos.h>
11 #include <linux/tracepoint.h>
12 #include <linux/trace_events.h>
13
14 #define TPS(x) tracepoint_string(x)
15
16 DECLARE_EVENT_CLASS(cpu,
17
18 TP_PROTO(unsigned int state, unsigned int cpu_id),
19
20 TP_ARGS(state, cpu_id),
21
22 TP_STRUCT__entry(
23 __field( u32, state )
24 __field( u32, cpu_id )
25 ),
26
27 TP_fast_assign(
28 __entry->state = state;
29 __entry->cpu_id = cpu_id;
30 ),
31
32 TP_printk("state=%lu cpu_id=%lu", (unsigned long)__entry->state,
33 (unsigned long)__entry->cpu_id)
34 );
35
36 DEFINE_EVENT(cpu, cpu_idle,
37
38 TP_PROTO(unsigned int state, unsigned int cpu_id),
39
40 TP_ARGS(state, cpu_id)
41 );
42
43 TRACE_EVENT(cpu_idle_miss,
44
45 TP_PROTO(unsigned int cpu_id, unsigned int state, bool below),
46
47 TP_ARGS(cpu_id, state, below),
48
49 TP_STRUCT__entry(
50 __field(u32, cpu_id)
51 __field(u32, state)
52 __field(bool, below)
53 ),
54
55 TP_fast_assign(
56 __entry->cpu_id = cpu_id;
57 __entry->state = state;
58 __entry->below = below;
59 ),
60
61 TP_printk("cpu_id=%lu state=%lu type=%s", (unsigned long)__entry->cpu_id,
62 (unsigned long)__entry->state, (__entry->below)?"below":"above")
63 );
64
65 TRACE_EVENT(powernv_throttle,
66
67 TP_PROTO(int chip_id, const char *reason, int pmax),
68
69 TP_ARGS(chip_id, reason, pmax),
70
71 TP_STRUCT__entry(
72 __field(int, chip_id)
73 __string(reason, reason)
74 __field(int, pmax)
75 ),
76
77 TP_fast_assign(
78 __entry->chip_id = chip_id;
79 __assign_str(reason);
80 __entry->pmax = pmax;
81 ),
82
83 TP_printk("Chip %d Pmax %d %s", __entry->chip_id,
84 __entry->pmax, __get_str(reason))
85 );
86
87 TRACE_EVENT(pstate_sample,
88
89 TP_PROTO(u32 core_busy,
90 u32 scaled_busy,
91 u32 from,
92 u32 to,
93 u64 mperf,
94 u64 aperf,
95 u64 tsc,
96 u32 freq,
97 u32 io_boost
98 ),
99
100 TP_ARGS(core_busy,
101 scaled_busy,
102 from,
103 to,
104 mperf,
105 aperf,
106 tsc,
107 freq,
108 io_boost
109 ),
110
111 TP_STRUCT__entry(
112 __field(u32, core_busy)
113 __field(u32, scaled_busy)
114 __field(u32, from)
115 __field(u32, to)
116 __field(u64, mperf)
117 __field(u64, aperf)
118 __field(u64, tsc)
119 __field(u32, freq)
120 __field(u32, io_boost)
121 ),
122
123 TP_fast_assign(
124 __entry->core_busy = core_busy;
125 __entry->scaled_busy = scaled_busy;
126 __entry->from = from;
127 __entry->to = to;
128 __entry->mperf = mperf;
129 __entry->aperf = aperf;
130 __entry->tsc = tsc;
131 __entry->freq = freq;
132 __entry->io_boost = io_boost;
133 ),
134
135 TP_printk("core_busy=%lu scaled=%lu from=%lu to=%lu mperf=%llu aperf=%llu tsc=%llu freq=%lu io_boost=%lu",
136 (unsigned long)__entry->core_busy,
137 (unsigned long)__entry->scaled_busy,
138 (unsigned long)__entry->from,
139 (unsigned long)__entry->to,
140 (unsigned long long)__entry->mperf,
141 (unsigned long long)__entry->aperf,
142 (unsigned long long)__entry->tsc,
143 (unsigned long)__entry->freq,
144 (unsigned long)__entry->io_boost
145 )
146
147 );
148
149 /* This file can get included multiple times, TRACE_HEADER_MULTI_READ at top */
150 #ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING
151 #define _PWR_EVENT_AVOID_DOUBLE_DEFINING
152
153 #define PWR_EVENT_EXIT -1
154 #endif
155
156 #define pm_verb_symbolic(event) \
157 __print_symbolic(event, \
158 { PM_EVENT_SUSPEND, "suspend" }, \
159 { PM_EVENT_RESUME, "resume" }, \
160 { PM_EVENT_FREEZE, "freeze" }, \
161 { PM_EVENT_QUIESCE, "quiesce" }, \
162 { PM_EVENT_HIBERNATE, "hibernate" }, \
163 { PM_EVENT_THAW, "thaw" }, \
164 { PM_EVENT_RESTORE, "restore" }, \
165 { PM_EVENT_RECOVER, "recover" })
166
167 DEFINE_EVENT(cpu, cpu_frequency,
168
169 TP_PROTO(unsigned int frequency, unsigned int cpu_id),
170
171 TP_ARGS(frequency, cpu_id)
172 );
173
174 TRACE_EVENT(cpu_frequency_limits,
175
176 TP_PROTO(struct cpufreq_policy *policy),
177
178 TP_ARGS(policy),
179
180 TP_STRUCT__entry(
181 __field(u32, min_freq)
182 __field(u32, max_freq)
183 __field(u32, cpu_id)
184 ),
185
186 TP_fast_assign(
187 __entry->min_freq = policy->min;
188 __entry->max_freq = policy->max;
189 __entry->cpu_id = policy->cpu;
190 ),
191
192 TP_printk("min=%lu max=%lu cpu_id=%lu",
193 (unsigned long)__entry->min_freq,
194 (unsigned long)__entry->max_freq,
195 (unsigned long)__entry->cpu_id)
196 );
197
198 TRACE_EVENT(device_pm_callback_start,
199
200 TP_PROTO(struct device *dev, const char *pm_ops, int event),
201
202 TP_ARGS(dev, pm_ops, event),
203
204 TP_STRUCT__entry(
205 __string(device, dev_name(dev))
206 __string(driver, dev_driver_string(dev))
207 __string(parent, dev->parent ? dev_name(dev->parent) : "none")
208 __string(pm_ops, pm_ops ? pm_ops : "none ")
209 __field(int, event)
210 ),
211
212 TP_fast_assign(
213 __assign_str(device);
214 __assign_str(driver);
215 __assign_str(parent);
216 __assign_str(pm_ops);
217 __entry->event = event;
218 ),
219
220 TP_printk("%s %s, parent: %s, %s[%s]", __get_str(driver),
221 __get_str(device), __get_str(parent), __get_str(pm_ops),
222 pm_verb_symbolic(__entry->event))
223 );
224
225 TRACE_EVENT(device_pm_callback_end,
226
227 TP_PROTO(struct device *dev, int error),
228
229 TP_ARGS(dev, error),
230
231 TP_STRUCT__entry(
232 __string(device, dev_name(dev))
233 __string(driver, dev_driver_string(dev))
234 __field(int, error)
235 ),
236
237 TP_fast_assign(
238 __assign_str(device);
239 __assign_str(driver);
240 __entry->error = error;
241 ),
242
243 TP_printk("%s %s, err=%d",
244 __get_str(driver), __get_str(device), __entry->error)
245 );
246
247 TRACE_EVENT(suspend_resume,
248
249 TP_PROTO(const char *action, int val, bool start),
250
251 TP_ARGS(action, val, start),
252
253 TP_STRUCT__entry(
254 __field(const char *, action)
255 __field(int, val)
256 __field(bool, start)
257 ),
258
259 TP_fast_assign(
260 __entry->action = action;
261 __entry->val = val;
262 __entry->start = start;
263 ),
264
265 TP_printk("%s[%u] %s", __entry->action, (unsigned int)__entry->val,
266 (__entry->start)?"begin":"end")
267 );
268
269 DECLARE_EVENT_CLASS(wakeup_source,
270
271 TP_PROTO(const char *name, unsigned int state),
272
273 TP_ARGS(name, state),
274
275 TP_STRUCT__entry(
276 __string( name, name )
277 __field( u64, state )
278 ),
279
280 TP_fast_assign(
281 __assign_str(name);
282 __entry->state = state;
283 ),
284
285 TP_printk("%s state=0x%lx", __get_str(name),
286 (unsigned long)__entry->state)
287 );
288
289 DEFINE_EVENT(wakeup_source, wakeup_source_activate,
290
291 TP_PROTO(const char *name, unsigned int state),
292
293 TP_ARGS(name, state)
294 );
295
296 DEFINE_EVENT(wakeup_source, wakeup_source_deactivate,
297
298 TP_PROTO(const char *name, unsigned int state),
299
300 TP_ARGS(name, state)
301 );
302
303 /*
304 * The clock events are used for clock enable/disable and for
305 * clock rate change
306 */
307 DECLARE_EVENT_CLASS(clock,
308
309 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
310
311 TP_ARGS(name, state, cpu_id),
312
313 TP_STRUCT__entry(
314 __string( name, name )
315 __field( u64, state )
316 __field( u64, cpu_id )
317 ),
318
319 TP_fast_assign(
320 __assign_str(name);
321 __entry->state = state;
322 __entry->cpu_id = cpu_id;
323 ),
324
325 TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
326 (unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
327 );
328
329 DEFINE_EVENT(clock, clock_enable,
330
331 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
332
333 TP_ARGS(name, state, cpu_id)
334 );
335
336 DEFINE_EVENT(clock, clock_disable,
337
338 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
339
340 TP_ARGS(name, state, cpu_id)
341 );
342
343 DEFINE_EVENT(clock, clock_set_rate,
344
345 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
346
347 TP_ARGS(name, state, cpu_id)
348 );
349
350 /*
351 * The power domain events are used for power domains transitions
352 */
353 DECLARE_EVENT_CLASS(power_domain,
354
355 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
356
357 TP_ARGS(name, state, cpu_id),
358
359 TP_STRUCT__entry(
360 __string( name, name )
361 __field( u64, state )
362 __field( u64, cpu_id )
363 ),
364
365 TP_fast_assign(
366 __assign_str(name);
367 __entry->state = state;
368 __entry->cpu_id = cpu_id;
369 ),
370
371 TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
372 (unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
373 );
374
375 DEFINE_EVENT(power_domain, power_domain_target,
376
377 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
378
379 TP_ARGS(name, state, cpu_id)
380 );
381
382 /*
383 * CPU latency QoS events used for global CPU latency QoS list updates
384 */
385 DECLARE_EVENT_CLASS(cpu_latency_qos_request,
386
387 TP_PROTO(s32 value),
388
389 TP_ARGS(value),
390
391 TP_STRUCT__entry(
392 __field( s32, value )
393 ),
394
395 TP_fast_assign(
396 __entry->value = value;
397 ),
398
399 TP_printk("CPU_DMA_LATENCY value=%d",
400 __entry->value)
401 );
402
403 DEFINE_EVENT(cpu_latency_qos_request, pm_qos_add_request,
404
405 TP_PROTO(s32 value),
406
407 TP_ARGS(value)
408 );
409
410 DEFINE_EVENT(cpu_latency_qos_request, pm_qos_update_request,
411
412 TP_PROTO(s32 value),
413
414 TP_ARGS(value)
415 );
416
417 DEFINE_EVENT(cpu_latency_qos_request, pm_qos_remove_request,
418
419 TP_PROTO(s32 value),
420
421 TP_ARGS(value)
422 );
423
424 /*
425 * General PM QoS events used for updates of PM QoS request lists
426 */
427 DECLARE_EVENT_CLASS(pm_qos_update,
428
429 TP_PROTO(enum pm_qos_req_action action, int prev_value, int curr_value),
430
431 TP_ARGS(action, prev_value, curr_value),
432
433 TP_STRUCT__entry(
434 __field( enum pm_qos_req_action, action )
435 __field( int, prev_value )
436 __field( int, curr_value )
437 ),
438
439 TP_fast_assign(
440 __entry->action = action;
441 __entry->prev_value = prev_value;
442 __entry->curr_value = curr_value;
443 ),
444
445 TP_printk("action=%s prev_value=%d curr_value=%d",
446 __print_symbolic(__entry->action,
447 { PM_QOS_ADD_REQ, "ADD_REQ" },
448 { PM_QOS_UPDATE_REQ, "UPDATE_REQ" },
449 { PM_QOS_REMOVE_REQ, "REMOVE_REQ" }),
450 __entry->prev_value, __entry->curr_value)
451 );
452
453 DEFINE_EVENT(pm_qos_update, pm_qos_update_target,
454
455 TP_PROTO(enum pm_qos_req_action action, int prev_value, int curr_value),
456
457 TP_ARGS(action, prev_value, curr_value)
458 );
459
460 DEFINE_EVENT_PRINT(pm_qos_update, pm_qos_update_flags,
461
462 TP_PROTO(enum pm_qos_req_action action, int prev_value, int curr_value),
463
464 TP_ARGS(action, prev_value, curr_value),
465
466 TP_printk("action=%s prev_value=0x%x curr_value=0x%x",
467 __print_symbolic(__entry->action,
468 { PM_QOS_ADD_REQ, "ADD_REQ" },
469 { PM_QOS_UPDATE_REQ, "UPDATE_REQ" },
470 { PM_QOS_REMOVE_REQ, "REMOVE_REQ" }),
471 __entry->prev_value, __entry->curr_value)
472 );
473
474 DECLARE_EVENT_CLASS(dev_pm_qos_request,
475
476 TP_PROTO(const char *name, enum dev_pm_qos_req_type type,
477 s32 new_value),
478
479 TP_ARGS(name, type, new_value),
480
481 TP_STRUCT__entry(
482 __string( name, name )
483 __field( enum dev_pm_qos_req_type, type )
484 __field( s32, new_value )
485 ),
486
487 TP_fast_assign(
488 __assign_str(name);
489 __entry->type = type;
490 __entry->new_value = new_value;
491 ),
492
493 TP_printk("device=%s type=%s new_value=%d",
494 __get_str(name),
495 __print_symbolic(__entry->type,
496 { DEV_PM_QOS_RESUME_LATENCY, "DEV_PM_QOS_RESUME_LATENCY" },
497 { DEV_PM_QOS_FLAGS, "DEV_PM_QOS_FLAGS" }),
498 __entry->new_value)
499 );
500
501 DEFINE_EVENT(dev_pm_qos_request, dev_pm_qos_add_request,
502
503 TP_PROTO(const char *name, enum dev_pm_qos_req_type type,
504 s32 new_value),
505
506 TP_ARGS(name, type, new_value)
507 );
508
509 DEFINE_EVENT(dev_pm_qos_request, dev_pm_qos_update_request,
510
511 TP_PROTO(const char *name, enum dev_pm_qos_req_type type,
512 s32 new_value),
513
514 TP_ARGS(name, type, new_value)
515 );
516
517 DEFINE_EVENT(dev_pm_qos_request, dev_pm_qos_remove_request,
518
519 TP_PROTO(const char *name, enum dev_pm_qos_req_type type,
520 s32 new_value),
521
522 TP_ARGS(name, type, new_value)
523 );
524
525 TRACE_EVENT(guest_halt_poll_ns,
526
527 TP_PROTO(bool grow, unsigned int new, unsigned int old),
528
529 TP_ARGS(grow, new, old),
530
531 TP_STRUCT__entry(
532 __field(bool, grow)
533 __field(unsigned int, new)
534 __field(unsigned int, old)
535 ),
536
537 TP_fast_assign(
538 __entry->grow = grow;
539 __entry->new = new;
540 __entry->old = old;
541 ),
542
543 TP_printk("halt_poll_ns %u (%s %u)",
544 __entry->new,
545 __entry->grow ? "grow" : "shrink",
546 __entry->old)
547 );
548
549 #define trace_guest_halt_poll_ns_grow(new, old) \
550 trace_guest_halt_poll_ns(true, new, old)
551 #define trace_guest_halt_poll_ns_shrink(new, old) \
552 trace_guest_halt_poll_ns(false, new, old)
553 #endif /* _TRACE_POWER_H */
554
555 /* This part must be outside protection */
556 #include <trace/define_trace.h>
557
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