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