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Commit | Line | Data |
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2b022e3d XG |
1 | #undef TRACE_SYSTEM |
2 | #define TRACE_SYSTEM timer | |
3 | ||
4 | #if !defined(_TRACE_TIMER_H) || defined(TRACE_HEADER_MULTI_READ) | |
5 | #define _TRACE_TIMER_H | |
6 | ||
7 | #include <linux/tracepoint.h> | |
c6a2a177 | 8 | #include <linux/hrtimer.h> |
2b022e3d XG |
9 | #include <linux/timer.h> |
10 | ||
363d0f64 | 11 | DECLARE_EVENT_CLASS(timer_class, |
2b022e3d XG |
12 | |
13 | TP_PROTO(struct timer_list *timer), | |
14 | ||
15 | TP_ARGS(timer), | |
16 | ||
17 | TP_STRUCT__entry( | |
18 | __field( void *, timer ) | |
19 | ), | |
20 | ||
21 | TP_fast_assign( | |
22 | __entry->timer = timer; | |
23 | ), | |
24 | ||
434a83c3 | 25 | TP_printk("timer=%p", __entry->timer) |
2b022e3d XG |
26 | ); |
27 | ||
363d0f64 LZ |
28 | /** |
29 | * timer_init - called when the timer is initialized | |
30 | * @timer: pointer to struct timer_list | |
31 | */ | |
32 | DEFINE_EVENT(timer_class, timer_init, | |
33 | ||
34 | TP_PROTO(struct timer_list *timer), | |
35 | ||
36 | TP_ARGS(timer) | |
37 | ); | |
38 | ||
8a58a34b TG |
39 | #define decode_timer_flags(flags) \ |
40 | __print_flags(flags, "|", \ | |
41 | { TIMER_MIGRATING, "M" }, \ | |
42 | { TIMER_DEFERRABLE, "D" }, \ | |
43 | { TIMER_PINNED, "P" }, \ | |
44 | { TIMER_IRQSAFE, "I" }) | |
45 | ||
2b022e3d XG |
46 | /** |
47 | * timer_start - called when the timer is started | |
48 | * @timer: pointer to struct timer_list | |
49 | * @expires: the timers expiry time | |
50 | */ | |
51 | TRACE_EVENT(timer_start, | |
52 | ||
4e413e85 BJS |
53 | TP_PROTO(struct timer_list *timer, |
54 | unsigned long expires, | |
0eeda71b | 55 | unsigned int flags), |
2b022e3d | 56 | |
0eeda71b | 57 | TP_ARGS(timer, expires, flags), |
2b022e3d XG |
58 | |
59 | TP_STRUCT__entry( | |
60 | __field( void *, timer ) | |
61 | __field( void *, function ) | |
62 | __field( unsigned long, expires ) | |
63 | __field( unsigned long, now ) | |
0eeda71b | 64 | __field( unsigned int, flags ) |
2b022e3d XG |
65 | ), |
66 | ||
67 | TP_fast_assign( | |
68 | __entry->timer = timer; | |
69 | __entry->function = timer->function; | |
70 | __entry->expires = expires; | |
71 | __entry->now = jiffies; | |
0eeda71b | 72 | __entry->flags = flags; |
2b022e3d XG |
73 | ), |
74 | ||
8a58a34b | 75 | TP_printk("timer=%p function=%pf expires=%lu [timeout=%ld] cpu=%u idx=%u flags=%s", |
2b022e3d | 76 | __entry->timer, __entry->function, __entry->expires, |
8a58a34b TG |
77 | (long)__entry->expires - __entry->now, |
78 | __entry->flags & TIMER_CPUMASK, | |
79 | __entry->flags >> TIMER_ARRAYSHIFT, | |
80 | decode_timer_flags(__entry->flags & TIMER_TRACE_FLAGMASK)) | |
2b022e3d XG |
81 | ); |
82 | ||
83 | /** | |
84 | * timer_expire_entry - called immediately before the timer callback | |
85 | * @timer: pointer to struct timer_list | |
86 | * | |
87 | * Allows to determine the timer latency. | |
88 | */ | |
89 | TRACE_EVENT(timer_expire_entry, | |
90 | ||
91 | TP_PROTO(struct timer_list *timer), | |
92 | ||
93 | TP_ARGS(timer), | |
94 | ||
95 | TP_STRUCT__entry( | |
96 | __field( void *, timer ) | |
97 | __field( unsigned long, now ) | |
ede1b429 | 98 | __field( void *, function) |
2b022e3d XG |
99 | ), |
100 | ||
101 | TP_fast_assign( | |
102 | __entry->timer = timer; | |
103 | __entry->now = jiffies; | |
ede1b429 | 104 | __entry->function = timer->function; |
2b022e3d XG |
105 | ), |
106 | ||
ede1b429 | 107 | TP_printk("timer=%p function=%pf now=%lu", __entry->timer, __entry->function,__entry->now) |
2b022e3d XG |
108 | ); |
109 | ||
110 | /** | |
111 | * timer_expire_exit - called immediately after the timer callback returns | |
112 | * @timer: pointer to struct timer_list | |
113 | * | |
114 | * When used in combination with the timer_expire_entry tracepoint we can | |
115 | * determine the runtime of the timer callback function. | |
116 | * | |
117 | * NOTE: Do NOT derefernce timer in TP_fast_assign. The pointer might | |
118 | * be invalid. We solely track the pointer. | |
119 | */ | |
363d0f64 | 120 | DEFINE_EVENT(timer_class, timer_expire_exit, |
2b022e3d XG |
121 | |
122 | TP_PROTO(struct timer_list *timer), | |
123 | ||
363d0f64 | 124 | TP_ARGS(timer) |
2b022e3d XG |
125 | ); |
126 | ||
127 | /** | |
128 | * timer_cancel - called when the timer is canceled | |
129 | * @timer: pointer to struct timer_list | |
130 | */ | |
363d0f64 | 131 | DEFINE_EVENT(timer_class, timer_cancel, |
2b022e3d XG |
132 | |
133 | TP_PROTO(struct timer_list *timer), | |
134 | ||
363d0f64 | 135 | TP_ARGS(timer) |
2b022e3d XG |
136 | ); |
137 | ||
c6a2a177 XG |
138 | /** |
139 | * hrtimer_init - called when the hrtimer is initialized | |
cf2fbdd2 | 140 | * @hrtimer: pointer to struct hrtimer |
c6a2a177 XG |
141 | * @clockid: the hrtimers clock |
142 | * @mode: the hrtimers mode | |
143 | */ | |
144 | TRACE_EVENT(hrtimer_init, | |
145 | ||
434a83c3 | 146 | TP_PROTO(struct hrtimer *hrtimer, clockid_t clockid, |
c6a2a177 XG |
147 | enum hrtimer_mode mode), |
148 | ||
434a83c3 | 149 | TP_ARGS(hrtimer, clockid, mode), |
c6a2a177 XG |
150 | |
151 | TP_STRUCT__entry( | |
434a83c3 | 152 | __field( void *, hrtimer ) |
c6a2a177 XG |
153 | __field( clockid_t, clockid ) |
154 | __field( enum hrtimer_mode, mode ) | |
155 | ), | |
156 | ||
157 | TP_fast_assign( | |
434a83c3 | 158 | __entry->hrtimer = hrtimer; |
c6a2a177 XG |
159 | __entry->clockid = clockid; |
160 | __entry->mode = mode; | |
161 | ), | |
162 | ||
434a83c3 | 163 | TP_printk("hrtimer=%p clockid=%s mode=%s", __entry->hrtimer, |
c6a2a177 XG |
164 | __entry->clockid == CLOCK_REALTIME ? |
165 | "CLOCK_REALTIME" : "CLOCK_MONOTONIC", | |
166 | __entry->mode == HRTIMER_MODE_ABS ? | |
167 | "HRTIMER_MODE_ABS" : "HRTIMER_MODE_REL") | |
168 | ); | |
169 | ||
170 | /** | |
171 | * hrtimer_start - called when the hrtimer is started | |
cf2fbdd2 | 172 | * @hrtimer: pointer to struct hrtimer |
c6a2a177 XG |
173 | */ |
174 | TRACE_EVENT(hrtimer_start, | |
175 | ||
434a83c3 | 176 | TP_PROTO(struct hrtimer *hrtimer), |
c6a2a177 | 177 | |
434a83c3 | 178 | TP_ARGS(hrtimer), |
c6a2a177 XG |
179 | |
180 | TP_STRUCT__entry( | |
434a83c3 | 181 | __field( void *, hrtimer ) |
c6a2a177 XG |
182 | __field( void *, function ) |
183 | __field( s64, expires ) | |
184 | __field( s64, softexpires ) | |
185 | ), | |
186 | ||
187 | TP_fast_assign( | |
434a83c3 IM |
188 | __entry->hrtimer = hrtimer; |
189 | __entry->function = hrtimer->function; | |
2456e855 TG |
190 | __entry->expires = hrtimer_get_expires(hrtimer); |
191 | __entry->softexpires = hrtimer_get_softexpires(hrtimer); | |
c6a2a177 XG |
192 | ), |
193 | ||
434a83c3 IM |
194 | TP_printk("hrtimer=%p function=%pf expires=%llu softexpires=%llu", |
195 | __entry->hrtimer, __entry->function, | |
2456e855 TG |
196 | (unsigned long long) __entry->expires, |
197 | (unsigned long long) __entry->softexpires) | |
c6a2a177 XG |
198 | ); |
199 | ||
200 | /** | |
cf2fbdd2 MI |
201 | * hrtimer_expire_entry - called immediately before the hrtimer callback |
202 | * @hrtimer: pointer to struct hrtimer | |
c6a2a177 XG |
203 | * @now: pointer to variable which contains current time of the |
204 | * timers base. | |
205 | * | |
206 | * Allows to determine the timer latency. | |
207 | */ | |
208 | TRACE_EVENT(hrtimer_expire_entry, | |
209 | ||
434a83c3 | 210 | TP_PROTO(struct hrtimer *hrtimer, ktime_t *now), |
c6a2a177 | 211 | |
434a83c3 | 212 | TP_ARGS(hrtimer, now), |
c6a2a177 XG |
213 | |
214 | TP_STRUCT__entry( | |
434a83c3 | 215 | __field( void *, hrtimer ) |
c6a2a177 | 216 | __field( s64, now ) |
ede1b429 | 217 | __field( void *, function) |
c6a2a177 XG |
218 | ), |
219 | ||
220 | TP_fast_assign( | |
434a83c3 | 221 | __entry->hrtimer = hrtimer; |
2456e855 | 222 | __entry->now = *now; |
ede1b429 | 223 | __entry->function = hrtimer->function; |
c6a2a177 XG |
224 | ), |
225 | ||
ede1b429 | 226 | TP_printk("hrtimer=%p function=%pf now=%llu", __entry->hrtimer, __entry->function, |
2456e855 TG |
227 | (unsigned long long) __entry->now) |
228 | ); | |
c6a2a177 | 229 | |
363d0f64 | 230 | DECLARE_EVENT_CLASS(hrtimer_class, |
c6a2a177 | 231 | |
434a83c3 | 232 | TP_PROTO(struct hrtimer *hrtimer), |
c6a2a177 | 233 | |
434a83c3 | 234 | TP_ARGS(hrtimer), |
c6a2a177 XG |
235 | |
236 | TP_STRUCT__entry( | |
434a83c3 | 237 | __field( void *, hrtimer ) |
c6a2a177 XG |
238 | ), |
239 | ||
240 | TP_fast_assign( | |
434a83c3 | 241 | __entry->hrtimer = hrtimer; |
c6a2a177 XG |
242 | ), |
243 | ||
434a83c3 | 244 | TP_printk("hrtimer=%p", __entry->hrtimer) |
c6a2a177 XG |
245 | ); |
246 | ||
247 | /** | |
363d0f64 | 248 | * hrtimer_expire_exit - called immediately after the hrtimer callback returns |
cf2fbdd2 | 249 | * @hrtimer: pointer to struct hrtimer |
363d0f64 LZ |
250 | * |
251 | * When used in combination with the hrtimer_expire_entry tracepoint we can | |
252 | * determine the runtime of the callback function. | |
c6a2a177 | 253 | */ |
363d0f64 | 254 | DEFINE_EVENT(hrtimer_class, hrtimer_expire_exit, |
c6a2a177 | 255 | |
434a83c3 | 256 | TP_PROTO(struct hrtimer *hrtimer), |
c6a2a177 | 257 | |
363d0f64 LZ |
258 | TP_ARGS(hrtimer) |
259 | ); | |
c6a2a177 | 260 | |
363d0f64 LZ |
261 | /** |
262 | * hrtimer_cancel - called when the hrtimer is canceled | |
263 | * @hrtimer: pointer to struct hrtimer | |
264 | */ | |
265 | DEFINE_EVENT(hrtimer_class, hrtimer_cancel, | |
c6a2a177 | 266 | |
363d0f64 | 267 | TP_PROTO(struct hrtimer *hrtimer), |
c6a2a177 | 268 | |
363d0f64 | 269 | TP_ARGS(hrtimer) |
c6a2a177 XG |
270 | ); |
271 | ||
3f0a525e XG |
272 | /** |
273 | * itimer_state - called when itimer is started or canceled | |
274 | * @which: name of the interval timer | |
275 | * @value: the itimers value, itimer is canceled if value->it_value is | |
276 | * zero, otherwise it is started | |
277 | * @expires: the itimers expiry time | |
278 | */ | |
279 | TRACE_EVENT(itimer_state, | |
280 | ||
281 | TP_PROTO(int which, const struct itimerval *const value, | |
858cf3a8 | 282 | unsigned long long expires), |
3f0a525e XG |
283 | |
284 | TP_ARGS(which, value, expires), | |
285 | ||
286 | TP_STRUCT__entry( | |
858cf3a8 FW |
287 | __field( int, which ) |
288 | __field( unsigned long long, expires ) | |
289 | __field( long, value_sec ) | |
290 | __field( long, value_usec ) | |
291 | __field( long, interval_sec ) | |
292 | __field( long, interval_usec ) | |
3f0a525e XG |
293 | ), |
294 | ||
295 | TP_fast_assign( | |
296 | __entry->which = which; | |
297 | __entry->expires = expires; | |
298 | __entry->value_sec = value->it_value.tv_sec; | |
299 | __entry->value_usec = value->it_value.tv_usec; | |
300 | __entry->interval_sec = value->it_interval.tv_sec; | |
301 | __entry->interval_usec = value->it_interval.tv_usec; | |
302 | ), | |
303 | ||
e9c0748b | 304 | TP_printk("which=%d expires=%llu it_value=%ld.%ld it_interval=%ld.%ld", |
858cf3a8 | 305 | __entry->which, __entry->expires, |
3f0a525e XG |
306 | __entry->value_sec, __entry->value_usec, |
307 | __entry->interval_sec, __entry->interval_usec) | |
308 | ); | |
309 | ||
310 | /** | |
311 | * itimer_expire - called when itimer expires | |
312 | * @which: type of the interval timer | |
313 | * @pid: pid of the process which owns the timer | |
314 | * @now: current time, used to calculate the latency of itimer | |
315 | */ | |
316 | TRACE_EVENT(itimer_expire, | |
317 | ||
858cf3a8 | 318 | TP_PROTO(int which, struct pid *pid, unsigned long long now), |
3f0a525e XG |
319 | |
320 | TP_ARGS(which, pid, now), | |
321 | ||
322 | TP_STRUCT__entry( | |
858cf3a8 FW |
323 | __field( int , which ) |
324 | __field( pid_t, pid ) | |
325 | __field( unsigned long long, now ) | |
3f0a525e XG |
326 | ), |
327 | ||
328 | TP_fast_assign( | |
329 | __entry->which = which; | |
330 | __entry->now = now; | |
331 | __entry->pid = pid_nr(pid); | |
332 | ), | |
333 | ||
e9c0748b | 334 | TP_printk("which=%d pid=%d now=%llu", __entry->which, |
858cf3a8 | 335 | (int) __entry->pid, __entry->now) |
3f0a525e XG |
336 | ); |
337 | ||
2c82d1be | 338 | #ifdef CONFIG_NO_HZ_COMMON |
e6e6cc22 FW |
339 | |
340 | #define TICK_DEP_NAMES \ | |
c87edb36 | 341 | tick_dep_mask_name(NONE) \ |
e6e6cc22 FW |
342 | tick_dep_name(POSIX_TIMER) \ |
343 | tick_dep_name(PERF_EVENTS) \ | |
344 | tick_dep_name(SCHED) \ | |
345 | tick_dep_name_end(CLOCK_UNSTABLE) | |
346 | ||
347 | #undef tick_dep_name | |
c87edb36 | 348 | #undef tick_dep_mask_name |
e6e6cc22 FW |
349 | #undef tick_dep_name_end |
350 | ||
c87edb36 SRRH |
351 | /* The MASK will convert to their bits and they need to be processed too */ |
352 | #define tick_dep_name(sdep) TRACE_DEFINE_ENUM(TICK_DEP_BIT_##sdep); \ | |
353 | TRACE_DEFINE_ENUM(TICK_DEP_MASK_##sdep); | |
354 | #define tick_dep_name_end(sdep) TRACE_DEFINE_ENUM(TICK_DEP_BIT_##sdep); \ | |
355 | TRACE_DEFINE_ENUM(TICK_DEP_MASK_##sdep); | |
356 | /* NONE only has a mask defined for it */ | |
357 | #define tick_dep_mask_name(sdep) TRACE_DEFINE_ENUM(TICK_DEP_MASK_##sdep); | |
e6e6cc22 FW |
358 | |
359 | TICK_DEP_NAMES | |
360 | ||
361 | #undef tick_dep_name | |
c87edb36 | 362 | #undef tick_dep_mask_name |
e6e6cc22 FW |
363 | #undef tick_dep_name_end |
364 | ||
365 | #define tick_dep_name(sdep) { TICK_DEP_MASK_##sdep, #sdep }, | |
c87edb36 | 366 | #define tick_dep_mask_name(sdep) { TICK_DEP_MASK_##sdep, #sdep }, |
e6e6cc22 FW |
367 | #define tick_dep_name_end(sdep) { TICK_DEP_MASK_##sdep, #sdep } |
368 | ||
369 | #define show_tick_dep_name(val) \ | |
370 | __print_symbolic(val, TICK_DEP_NAMES) | |
371 | ||
cb41a290 FW |
372 | TRACE_EVENT(tick_stop, |
373 | ||
e6e6cc22 | 374 | TP_PROTO(int success, int dependency), |
cb41a290 | 375 | |
e6e6cc22 | 376 | TP_ARGS(success, dependency), |
cb41a290 FW |
377 | |
378 | TP_STRUCT__entry( | |
379 | __field( int , success ) | |
e6e6cc22 | 380 | __field( int , dependency ) |
cb41a290 FW |
381 | ), |
382 | ||
383 | TP_fast_assign( | |
384 | __entry->success = success; | |
e6e6cc22 | 385 | __entry->dependency = dependency; |
cb41a290 FW |
386 | ), |
387 | ||
e6e6cc22 FW |
388 | TP_printk("success=%d dependency=%s", __entry->success, \ |
389 | show_tick_dep_name(__entry->dependency)) | |
cb41a290 FW |
390 | ); |
391 | #endif | |
392 | ||
2b022e3d XG |
393 | #endif /* _TRACE_TIMER_H */ |
394 | ||
395 | /* This part must be outside protection */ | |
396 | #include <trace/define_trace.h> |