1
2 #undef TRACE_SYSTEM
3 #define TRACE_SYSTEM timer
4
5 #if !defined(_TRACE_TIMER_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define _TRACE_TIMER_H
7
8 #include <linux/tracepoint.h>
9 #include <linux/hrtimer.h>
10 #include <linux/timer.h>
11
12 DECLARE_EVENT_CLASS(timer_class,
13
14 TP_PROTO(struct timer_list *timer),
15
16 TP_ARGS(timer),
17
18 TP_STRUCT__entry(
19 __field( void *, timer )
20 ),
21
22 TP_fast_assign(
23 __entry->timer = timer;
24 ),
25
26 TP_printk("timer=%p", __entry->timer)
27 );
28
29
30
31
32
33 DEFINE_EVENT(timer_class, timer_init,
34
35 TP_PROTO(struct timer_list *timer),
36
37 TP_ARGS(timer)
38 );
39
40 #define decode_timer_flags(flags) \
41 __print_flags(flags, "|", \
42 { TIMER_MIGRATING, "M" }, \
43 { TIMER_DEFERRABLE, "D" }, \
44 { TIMER_PINNED, "P" }, \
45 { TIMER_IRQSAFE, "I" })
46
47
48
49
50
51
52 TRACE_EVENT(timer_start,
53
54 TP_PROTO(struct timer_list *timer,
55 unsigned long expires,
56 unsigned int flags),
57
58 TP_ARGS(timer, expires, flags),
59
60 TP_STRUCT__entry(
61 __field( void *, timer )
62 __field( void *, function )
63 __field( unsigned long, expires )
64 __field( unsigned long, now )
65 __field( unsigned int, flags )
66 ),
67
68 TP_fast_assign(
69 __entry->timer = timer;
70 __entry->function = timer->function;
71 __entry->expires = expires;
72 __entry->now = jiffies;
73 __entry->flags = flags;
74 ),
75
76 TP_printk("timer=%p function=%ps expires=%lu [timeout=%ld] cpu=%u idx=%u flags=%s",
77 __entry->timer, __entry->function, __entry->expires,
78 (long)__entry->expires - __entry->now,
79 __entry->flags & TIMER_CPUMASK,
80 __entry->flags >> TIMER_ARRAYSHIFT,
81 decode_timer_flags(__entry->flags & TIMER_TRACE_FLAGMASK))
82 );
83
84
85
86
87
88
89
90 TRACE_EVENT(timer_expire_entry,
91
92 TP_PROTO(struct timer_list *timer, unsigned long baseclk),
93
94 TP_ARGS(timer, baseclk),
95
96 TP_STRUCT__entry(
97 __field( void *, timer )
98 __field( unsigned long, now )
99 __field( void *, function)
100 __field( unsigned long, baseclk )
101 ),
102
103 TP_fast_assign(
104 __entry->timer = timer;
105 __entry->now = jiffies;
106 __entry->function = timer->function;
107 __entry->baseclk = baseclk;
108 ),
109
110 TP_printk("timer=%p function=%ps now=%lu baseclk=%lu",
111 __entry->timer, __entry->function, __entry->now,
112 __entry->baseclk)
113 );
114
115
116
117
118
119
120
121
122
123
124
125 DEFINE_EVENT(timer_class, timer_expire_exit,
126
127 TP_PROTO(struct timer_list *timer),
128
129 TP_ARGS(timer)
130 );
131
132
133
134
135
136 DEFINE_EVENT(timer_class, timer_cancel,
137
138 TP_PROTO(struct timer_list *timer),
139
140 TP_ARGS(timer)
141 );
142
143 #define decode_clockid(type) \
144 __print_symbolic(type, \
145 { CLOCK_REALTIME, "CLOCK_REALTIME" }, \
146 { CLOCK_MONOTONIC, "CLOCK_MONOTONIC" }, \
147 { CLOCK_BOOTTIME, "CLOCK_BOOTTIME" }, \
148 { CLOCK_TAI, "CLOCK_TAI" })
149
150 #define decode_hrtimer_mode(mode) \
151 __print_symbolic(mode, \
152 { HRTIMER_MODE_ABS, "ABS" }, \
153 { HRTIMER_MODE_REL, "REL" }, \
154 { HRTIMER_MODE_ABS_PINNED, "ABS|PINNED" }, \
155 { HRTIMER_MODE_REL_PINNED, "REL|PINNED" }, \
156 { HRTIMER_MODE_ABS_SOFT, "ABS|SOFT" }, \
157 { HRTIMER_MODE_REL_SOFT, "REL|SOFT" }, \
158 { HRTIMER_MODE_ABS_PINNED_SOFT, "ABS|PINNED|SOFT" }, \
159 { HRTIMER_MODE_REL_PINNED_SOFT, "REL|PINNED|SOFT" })
160
161
162
163
164
165
166
167 TRACE_EVENT(hrtimer_init,
168
169 TP_PROTO(struct hrtimer *hrtimer, clockid_t clockid,
170 enum hrtimer_mode mode),
171
172 TP_ARGS(hrtimer, clockid, mode),
173
174 TP_STRUCT__entry(
175 __field( void *, hrtimer )
176 __field( clockid_t, clockid )
177 __field( enum hrtimer_mode, mode )
178 ),
179
180 TP_fast_assign(
181 __entry->hrtimer = hrtimer;
182 __entry->clockid = clockid;
183 __entry->mode = mode;
184 ),
185
186 TP_printk("hrtimer=%p clockid=%s mode=%s", __entry->hrtimer,
187 decode_clockid(__entry->clockid),
188 decode_hrtimer_mode(__entry->mode))
189 );
190
191
192
193
194
195 TRACE_EVENT(hrtimer_start,
196
197 TP_PROTO(struct hrtimer *hrtimer, enum hrtimer_mode mode),
198
199 TP_ARGS(hrtimer, mode),
200
201 TP_STRUCT__entry(
202 __field( void *, hrtimer )
203 __field( void *, function )
204 __field( s64, expires )
205 __field( s64, softexpires )
206 __field( enum hrtimer_mode, mode )
207 ),
208
209 TP_fast_assign(
210 __entry->hrtimer = hrtimer;
211 __entry->function = hrtimer->function;
212 __entry->expires = hrtimer_get_expires(hrtimer);
213 __entry->softexpires = hrtimer_get_softexpires(hrtimer);
214 __entry->mode = mode;
215 ),
216
217 TP_printk("hrtimer=%p function=%ps expires=%llu softexpires=%llu "
218 "mode=%s", __entry->hrtimer, __entry->function,
219 (unsigned long long) __entry->expires,
220 (unsigned long long) __entry->softexpires,
221 decode_hrtimer_mode(__entry->mode))
222 );
223
224
225
226
227
228
229
230
231
232 TRACE_EVENT(hrtimer_expire_entry,
233
234 TP_PROTO(struct hrtimer *hrtimer, ktime_t *now),
235
236 TP_ARGS(hrtimer, now),
237
238 TP_STRUCT__entry(
239 __field( void *, hrtimer )
240 __field( s64, now )
241 __field( void *, function)
242 ),
243
244 TP_fast_assign(
245 __entry->hrtimer = hrtimer;
246 __entry->now = *now;
247 __entry->function = hrtimer->function;
248 ),
249
250 TP_printk("hrtimer=%p function=%ps now=%llu",
251 __entry->hrtimer, __entry->function,
252 (unsigned long long) __entry->now)
253 );
254
255 DECLARE_EVENT_CLASS(hrtimer_class,
256
257 TP_PROTO(struct hrtimer *hrtimer),
258
259 TP_ARGS(hrtimer),
260
261 TP_STRUCT__entry(
262 __field( void *, hrtimer )
263 ),
264
265 TP_fast_assign(
266 __entry->hrtimer = hrtimer;
267 ),
268
269 TP_printk("hrtimer=%p", __entry->hrtimer)
270 );
271
272
273
274
275
276
277
278
279 DEFINE_EVENT(hrtimer_class, hrtimer_expire_exit,
280
281 TP_PROTO(struct hrtimer *hrtimer),
282
283 TP_ARGS(hrtimer)
284 );
285
286
287
288
289
290 DEFINE_EVENT(hrtimer_class, hrtimer_cancel,
291
292 TP_PROTO(struct hrtimer *hrtimer),
293
294 TP_ARGS(hrtimer)
295 );
296
297
298
299
300
301
302
303
304 TRACE_EVENT(itimer_state,
305
306 TP_PROTO(int which, const struct itimerval *const value,
307 unsigned long long expires),
308
309 TP_ARGS(which, value, expires),
310
311 TP_STRUCT__entry(
312 __field( int, which )
313 __field( unsigned long long, expires )
314 __field( long, value_sec )
315 __field( long, value_usec )
316 __field( long, interval_sec )
317 __field( long, interval_usec )
318 ),
319
320 TP_fast_assign(
321 __entry->which = which;
322 __entry->expires = expires;
323 __entry->value_sec = value->it_value.tv_sec;
324 __entry->value_usec = value->it_value.tv_usec;
325 __entry->interval_sec = value->it_interval.tv_sec;
326 __entry->interval_usec = value->it_interval.tv_usec;
327 ),
328
329 TP_printk("which=%d expires=%llu it_value=%ld.%ld it_interval=%ld.%ld",
330 __entry->which, __entry->expires,
331 __entry->value_sec, __entry->value_usec,
332 __entry->interval_sec, __entry->interval_usec)
333 );
334
335
336
337
338
339
340
341 TRACE_EVENT(itimer_expire,
342
343 TP_PROTO(int which, struct pid *pid, unsigned long long now),
344
345 TP_ARGS(which, pid, now),
346
347 TP_STRUCT__entry(
348 __field( int , which )
349 __field( pid_t, pid )
350 __field( unsigned long long, now )
351 ),
352
353 TP_fast_assign(
354 __entry->which = which;
355 __entry->now = now;
356 __entry->pid = pid_nr(pid);
357 ),
358
359 TP_printk("which=%d pid=%d now=%llu", __entry->which,
360 (int) __entry->pid, __entry->now)
361 );
362
363 #ifdef CONFIG_NO_HZ_COMMON
364
365 #define TICK_DEP_NAMES \
366 tick_dep_mask_name(NONE) \
367 tick_dep_name(POSIX_TIMER) \
368 tick_dep_name(PERF_EVENTS) \
369 tick_dep_name(SCHED) \
370 tick_dep_name_end(CLOCK_UNSTABLE)
371
372 #undef tick_dep_name
373 #undef tick_dep_mask_name
374 #undef tick_dep_name_end
375
376
377 #define tick_dep_name(sdep) TRACE_DEFINE_ENUM(TICK_DEP_BIT_##sdep); \
378 TRACE_DEFINE_ENUM(TICK_DEP_MASK_##sdep);
379 #define tick_dep_name_end(sdep) TRACE_DEFINE_ENUM(TICK_DEP_BIT_##sdep); \
380 TRACE_DEFINE_ENUM(TICK_DEP_MASK_##sdep);
381
382 #define tick_dep_mask_name(sdep) TRACE_DEFINE_ENUM(TICK_DEP_MASK_##sdep);
383
384 TICK_DEP_NAMES
385
386 #undef tick_dep_name
387 #undef tick_dep_mask_name
388 #undef tick_dep_name_end
389
390 #define tick_dep_name(sdep) { TICK_DEP_MASK_##sdep, #sdep },
391 #define tick_dep_mask_name(sdep) { TICK_DEP_MASK_##sdep, #sdep },
392 #define tick_dep_name_end(sdep) { TICK_DEP_MASK_##sdep, #sdep }
393
394 #define show_tick_dep_name(val) \
395 __print_symbolic(val, TICK_DEP_NAMES)
396
397 TRACE_EVENT(tick_stop,
398
399 TP_PROTO(int success, int dependency),
400
401 TP_ARGS(success, dependency),
402
403 TP_STRUCT__entry(
404 __field( int , success )
405 __field( int , dependency )
406 ),
407
408 TP_fast_assign(
409 __entry->success = success;
410 __entry->dependency = dependency;
411 ),
412
413 TP_printk("success=%d dependency=%s", __entry->success, \
414 show_tick_dep_name(__entry->dependency))
415 );
416 #endif
417
418 #endif
419
420
421 #include <trace/define_trace.h>