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
16DECLARE_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
36DEFINE_EVENT(cpu, cpu_idle,
37
38 TP_PROTO(unsigned int state, unsigned int cpu_id),
39
40 TP_ARGS(state, cpu_id)
41);
42
43TRACE_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
65TRACE_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, 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
87TRACE_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
167DEFINE_EVENT(cpu, cpu_frequency,
168
169 TP_PROTO(unsigned int frequency, unsigned int cpu_id),
170
171 TP_ARGS(frequency, cpu_id)
172);
173
174TRACE_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
198TRACE_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, dev_name(dev));
214 __assign_str(driver, dev_driver_string(dev));
215 __assign_str(parent,
216 dev->parent ? dev_name(dev->parent) : "none");
217 __assign_str(pm_ops, pm_ops ? pm_ops : "none ");
218 __entry->event = event;
219 ),
220
221 TP_printk("%s %s, parent: %s, %s[%s]", __get_str(driver),
222 __get_str(device), __get_str(parent), __get_str(pm_ops),
223 pm_verb_symbolic(__entry->event))
224);
225
226TRACE_EVENT(device_pm_callback_end,
227
228 TP_PROTO(struct device *dev, int error),
229
230 TP_ARGS(dev, error),
231
232 TP_STRUCT__entry(
233 __string(device, dev_name(dev))
234 __string(driver, dev_driver_string(dev))
235 __field(int, error)
236 ),
237
238 TP_fast_assign(
239 __assign_str(device, dev_name(dev));
240 __assign_str(driver, dev_driver_string(dev));
241 __entry->error = error;
242 ),
243
244 TP_printk("%s %s, err=%d",
245 __get_str(driver), __get_str(device), __entry->error)
246);
247
248TRACE_EVENT(suspend_resume,
249
250 TP_PROTO(const char *action, int val, bool start),
251
252 TP_ARGS(action, val, start),
253
254 TP_STRUCT__entry(
255 __field(const char *, action)
256 __field(int, val)
257 __field(bool, start)
258 ),
259
260 TP_fast_assign(
261 __entry->action = action;
262 __entry->val = val;
263 __entry->start = start;
264 ),
265
266 TP_printk("%s[%u] %s", __entry->action, (unsigned int)__entry->val,
267 (__entry->start)?"begin":"end")
268);
269
270DECLARE_EVENT_CLASS(wakeup_source,
271
272 TP_PROTO(const char *name, unsigned int state),
273
274 TP_ARGS(name, state),
275
276 TP_STRUCT__entry(
277 __string( name, name )
278 __field( u64, state )
279 ),
280
281 TP_fast_assign(
282 __assign_str(name, name);
283 __entry->state = state;
284 ),
285
286 TP_printk("%s state=0x%lx", __get_str(name),
287 (unsigned long)__entry->state)
288);
289
290DEFINE_EVENT(wakeup_source, wakeup_source_activate,
291
292 TP_PROTO(const char *name, unsigned int state),
293
294 TP_ARGS(name, state)
295);
296
297DEFINE_EVENT(wakeup_source, wakeup_source_deactivate,
298
299 TP_PROTO(const char *name, unsigned int state),
300
301 TP_ARGS(name, state)
302);
303
304/*
305 * The clock events are used for clock enable/disable and for
306 * clock rate change
307 */
308DECLARE_EVENT_CLASS(clock,
309
310 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
311
312 TP_ARGS(name, state, cpu_id),
313
314 TP_STRUCT__entry(
315 __string( name, name )
316 __field( u64, state )
317 __field( u64, cpu_id )
318 ),
319
320 TP_fast_assign(
321 __assign_str(name, name);
322 __entry->state = state;
323 __entry->cpu_id = cpu_id;
324 ),
325
326 TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
327 (unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
328);
329
330DEFINE_EVENT(clock, clock_enable,
331
332 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
333
334 TP_ARGS(name, state, cpu_id)
335);
336
337DEFINE_EVENT(clock, clock_disable,
338
339 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
340
341 TP_ARGS(name, state, cpu_id)
342);
343
344DEFINE_EVENT(clock, clock_set_rate,
345
346 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
347
348 TP_ARGS(name, state, cpu_id)
349);
350
351/*
352 * The power domain events are used for power domains transitions
353 */
354DECLARE_EVENT_CLASS(power_domain,
355
356 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
357
358 TP_ARGS(name, state, cpu_id),
359
360 TP_STRUCT__entry(
361 __string( name, name )
362 __field( u64, state )
363 __field( u64, cpu_id )
364 ),
365
366 TP_fast_assign(
367 __assign_str(name, name);
368 __entry->state = state;
369 __entry->cpu_id = cpu_id;
370),
371
372 TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
373 (unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
374);
375
376DEFINE_EVENT(power_domain, power_domain_target,
377
378 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
379
380 TP_ARGS(name, state, cpu_id)
381);
382
383/*
384 * CPU latency QoS events used for global CPU latency QoS list updates
385 */
386DECLARE_EVENT_CLASS(cpu_latency_qos_request,
387
388 TP_PROTO(s32 value),
389
390 TP_ARGS(value),
391
392 TP_STRUCT__entry(
393 __field( s32, value )
394 ),
395
396 TP_fast_assign(
397 __entry->value = value;
398 ),
399
400 TP_printk("CPU_DMA_LATENCY value=%d",
401 __entry->value)
402);
403
404DEFINE_EVENT(cpu_latency_qos_request, pm_qos_add_request,
405
406 TP_PROTO(s32 value),
407
408 TP_ARGS(value)
409);
410
411DEFINE_EVENT(cpu_latency_qos_request, pm_qos_update_request,
412
413 TP_PROTO(s32 value),
414
415 TP_ARGS(value)
416);
417
418DEFINE_EVENT(cpu_latency_qos_request, pm_qos_remove_request,
419
420 TP_PROTO(s32 value),
421
422 TP_ARGS(value)
423);
424
425/*
426 * General PM QoS events used for updates of PM QoS request lists
427 */
428DECLARE_EVENT_CLASS(pm_qos_update,
429
430 TP_PROTO(enum pm_qos_req_action action, int prev_value, int curr_value),
431
432 TP_ARGS(action, prev_value, curr_value),
433
434 TP_STRUCT__entry(
435 __field( enum pm_qos_req_action, action )
436 __field( int, prev_value )
437 __field( int, curr_value )
438 ),
439
440 TP_fast_assign(
441 __entry->action = action;
442 __entry->prev_value = prev_value;
443 __entry->curr_value = curr_value;
444 ),
445
446 TP_printk("action=%s prev_value=%d curr_value=%d",
447 __print_symbolic(__entry->action,
448 { PM_QOS_ADD_REQ, "ADD_REQ" },
449 { PM_QOS_UPDATE_REQ, "UPDATE_REQ" },
450 { PM_QOS_REMOVE_REQ, "REMOVE_REQ" }),
451 __entry->prev_value, __entry->curr_value)
452);
453
454DEFINE_EVENT(pm_qos_update, pm_qos_update_target,
455
456 TP_PROTO(enum pm_qos_req_action action, int prev_value, int curr_value),
457
458 TP_ARGS(action, prev_value, curr_value)
459);
460
461DEFINE_EVENT_PRINT(pm_qos_update, pm_qos_update_flags,
462
463 TP_PROTO(enum pm_qos_req_action action, int prev_value, int curr_value),
464
465 TP_ARGS(action, prev_value, curr_value),
466
467 TP_printk("action=%s prev_value=0x%x curr_value=0x%x",
468 __print_symbolic(__entry->action,
469 { PM_QOS_ADD_REQ, "ADD_REQ" },
470 { PM_QOS_UPDATE_REQ, "UPDATE_REQ" },
471 { PM_QOS_REMOVE_REQ, "REMOVE_REQ" }),
472 __entry->prev_value, __entry->curr_value)
473);
474
475DECLARE_EVENT_CLASS(dev_pm_qos_request,
476
477 TP_PROTO(const char *name, enum dev_pm_qos_req_type type,
478 s32 new_value),
479
480 TP_ARGS(name, type, new_value),
481
482 TP_STRUCT__entry(
483 __string( name, name )
484 __field( enum dev_pm_qos_req_type, type )
485 __field( s32, new_value )
486 ),
487
488 TP_fast_assign(
489 __assign_str(name, name);
490 __entry->type = type;
491 __entry->new_value = new_value;
492 ),
493
494 TP_printk("device=%s type=%s new_value=%d",
495 __get_str(name),
496 __print_symbolic(__entry->type,
497 { DEV_PM_QOS_RESUME_LATENCY, "DEV_PM_QOS_RESUME_LATENCY" },
498 { DEV_PM_QOS_FLAGS, "DEV_PM_QOS_FLAGS" }),
499 __entry->new_value)
500);
501
502DEFINE_EVENT(dev_pm_qos_request, dev_pm_qos_add_request,
503
504 TP_PROTO(const char *name, enum dev_pm_qos_req_type type,
505 s32 new_value),
506
507 TP_ARGS(name, type, new_value)
508);
509
510DEFINE_EVENT(dev_pm_qos_request, dev_pm_qos_update_request,
511
512 TP_PROTO(const char *name, enum dev_pm_qos_req_type type,
513 s32 new_value),
514
515 TP_ARGS(name, type, new_value)
516);
517
518DEFINE_EVENT(dev_pm_qos_request, dev_pm_qos_remove_request,
519
520 TP_PROTO(const char *name, enum dev_pm_qos_req_type type,
521 s32 new_value),
522
523 TP_ARGS(name, type, new_value)
524);
525
526TRACE_EVENT(guest_halt_poll_ns,
527
528 TP_PROTO(bool grow, unsigned int new, unsigned int old),
529
530 TP_ARGS(grow, new, old),
531
532 TP_STRUCT__entry(
533 __field(bool, grow)
534 __field(unsigned int, new)
535 __field(unsigned int, old)
536 ),
537
538 TP_fast_assign(
539 __entry->grow = grow;
540 __entry->new = new;
541 __entry->old = old;
542 ),
543
544 TP_printk("halt_poll_ns %u (%s %u)",
545 __entry->new,
546 __entry->grow ? "grow" : "shrink",
547 __entry->old)
548);
549
550#define trace_guest_halt_poll_ns_grow(new, old) \
551 trace_guest_halt_poll_ns(true, new, old)
552#define trace_guest_halt_poll_ns_shrink(new, old) \
553 trace_guest_halt_poll_ns(false, new, old)
554#endif /* _TRACE_POWER_H */
555
556/* This part must be outside protection */
557#include <trace/define_trace.h>
558

source code of linux/include/trace/events/power.h