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61baff6e MJ |
1 | // SPDX-FileCopyrightText: 2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
2 | // | |
3 | // SPDX-License-Identifier: GPL-2.0-only | |
4 | ||
e54456f5 MD |
5 | #undef TRACE_SYSTEM |
6 | #define TRACE_SYSTEM timer | |
7 | ||
3bc29f0a MD |
8 | #if !defined(LTTNG_TRACE_TIMER_H) || defined(TRACE_HEADER_MULTI_READ) |
9 | #define LTTNG_TRACE_TIMER_H | |
e54456f5 | 10 | |
3b4aafcb | 11 | #include <lttng/tracepoint-event.h> |
e54456f5 MD |
12 | |
13 | #ifndef _TRACE_TIMER_DEF_ | |
14 | #define _TRACE_TIMER_DEF_ | |
15 | #include <linux/hrtimer.h> | |
16 | #include <linux/timer.h> | |
5f4c791e | 17 | #include <lttng/kernel-version.h> |
3a523f5b MD |
18 | |
19 | struct timer_list; | |
20 | ||
e54456f5 MD |
21 | #endif /* _TRACE_TIMER_DEF_ */ |
22 | ||
9f5c9fe5 MD |
23 | LTTNG_TRACEPOINT_ENUM(hrtimer_mode, |
24 | TP_ENUM_VALUES( | |
25 | ctf_enum_value("HRTIMER_MODE_ABS", HRTIMER_MODE_ABS) | |
26 | ctf_enum_value("HRTIMER_MODE_REL", HRTIMER_MODE_REL) | |
27 | ctf_enum_value("HRTIMER_MODE_PINNED", HRTIMER_MODE_PINNED) | |
28 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,16,0)) | |
29 | ctf_enum_value("HRTIMER_MODE_SOFT", HRTIMER_MODE_SOFT) | |
30 | #endif | |
31 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,4,0)) | |
32 | ctf_enum_value("HRTIMER_MODE_HARD", HRTIMER_MODE_HARD) | |
33 | #endif | |
34 | ||
35 | ctf_enum_value("HRTIMER_MODE_ABS_PINNED", HRTIMER_MODE_ABS_PINNED) | |
36 | ctf_enum_value("HRTIMER_MODE_REL_PINNED", HRTIMER_MODE_REL_PINNED) | |
37 | ||
38 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,16,0)) | |
39 | ctf_enum_value("HRTIMER_MODE_ABS_SOFT", HRTIMER_MODE_ABS_SOFT) | |
40 | ctf_enum_value("HRTIMER_MODE_REL_SOFT", HRTIMER_MODE_REL_SOFT) | |
41 | ||
42 | ctf_enum_value("HRTIMER_MODE_ABS_PINNED_SOFT", HRTIMER_MODE_ABS_PINNED_SOFT) | |
43 | ctf_enum_value("HRTIMER_MODE_REL_PINNED_SOFT", HRTIMER_MODE_REL_PINNED_SOFT) | |
44 | #endif | |
45 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,4,0)) | |
46 | ctf_enum_value("HRTIMER_MODE_ABS_HARD", HRTIMER_MODE_ABS_HARD) | |
47 | ctf_enum_value("HRTIMER_MODE_REL_HARD", HRTIMER_MODE_REL_HARD) | |
48 | ||
49 | ctf_enum_value("HRTIMER_MODE_ABS_PINNED_HARD", HRTIMER_MODE_ABS_PINNED_HARD) | |
50 | ctf_enum_value("HRTIMER_MODE_REL_PINNED_HARD", HRTIMER_MODE_REL_PINNED_HARD) | |
51 | #endif | |
52 | ) | |
53 | ) | |
54 | ||
5f4c791e | 55 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) |
507143bc | 56 | #define lttng_ktime_get_tv64(kt) (kt) |
5f4c791e | 57 | #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) */ |
507143bc | 58 | #define lttng_ktime_get_tv64(kt) ((kt).tv64) |
5f4c791e | 59 | #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) */ |
507143bc | 60 | |
3bc29f0a | 61 | LTTNG_TRACEPOINT_EVENT_CLASS(timer_class, |
e54456f5 MD |
62 | |
63 | TP_PROTO(struct timer_list *timer), | |
64 | ||
65 | TP_ARGS(timer), | |
66 | ||
f127e61e | 67 | TP_FIELDS( |
fa91fcac | 68 | ctf_integer_hex(void *, timer, timer) |
f127e61e | 69 | ) |
e54456f5 MD |
70 | ) |
71 | ||
72 | /** | |
73 | * timer_init - called when the timer is initialized | |
74 | * @timer: pointer to struct timer_list | |
75 | */ | |
3bc29f0a | 76 | LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_init, |
e54456f5 MD |
77 | |
78 | TP_PROTO(struct timer_list *timer), | |
79 | ||
80 | TP_ARGS(timer) | |
81 | ) | |
82 | ||
f97f9d2e KS |
83 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,8,0) || \ |
84 | LTTNG_RHEL_KERNEL_RANGE(5,14,0,457,0,0, 5,15,0,0,0,0)) | |
64d3007b KS |
85 | /** |
86 | * timer_start - called when the timer is started | |
87 | * @timer: pointer to struct timer_list | |
88 | * @expires: the timers expiry time | |
89 | * @flags: the timers expiry time | |
90 | */ | |
91 | LTTNG_TRACEPOINT_EVENT(timer_start, | |
92 | ||
93 | TP_PROTO(struct timer_list *timer, unsigned long bucket_expiry), | |
94 | ||
95 | TP_ARGS(timer, bucket_expiry), | |
96 | ||
97 | TP_FIELDS( | |
98 | ctf_integer_hex(void *, timer, timer) | |
99 | ctf_integer_hex(void *, function, timer->function) | |
100 | ctf_integer(unsigned long, expires, timer->expires) | |
101 | ctf_integer(unsigned long, bucket_expiry, bucket_expiry) | |
102 | ctf_integer(unsigned long, now, jiffies) | |
103 | ctf_integer(unsigned int, flags, timer->flags) | |
104 | ) | |
105 | ) | |
106 | #else | |
32328e6c MD |
107 | /** |
108 | * timer_start - called when the timer is started | |
109 | * @timer: pointer to struct timer_list | |
110 | * @expires: the timers expiry time | |
111 | * @flags: the timers expiry time | |
112 | */ | |
113 | LTTNG_TRACEPOINT_EVENT(timer_start, | |
114 | ||
115 | TP_PROTO(struct timer_list *timer, unsigned long expires, | |
116 | unsigned int flags), | |
117 | ||
118 | TP_ARGS(timer, expires, flags), | |
119 | ||
120 | TP_FIELDS( | |
fa91fcac MD |
121 | ctf_integer_hex(void *, timer, timer) |
122 | ctf_integer_hex(void *, function, timer->function) | |
32328e6c MD |
123 | ctf_integer(unsigned long, expires, expires) |
124 | ctf_integer(unsigned long, now, jiffies) | |
125 | ctf_integer(unsigned int, flags, flags) | |
126 | ) | |
127 | ) | |
64d3007b | 128 | #endif |
e54456f5 | 129 | |
05355f0b | 130 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,2,0) || \ |
fb4b9097 | 131 | LTTNG_KERNEL_RANGE(4,19,312, 4,20,0) || \ |
05355f0b | 132 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,193,0,0, 4,19,0,0,0,0)) |
d88e2fe5 MJ |
133 | /** |
134 | * timer_expire_entry - called immediately before the timer callback | |
135 | * @timer: pointer to struct timer_list | |
136 | * | |
137 | * Allows to determine the timer latency. | |
138 | */ | |
139 | LTTNG_TRACEPOINT_EVENT(timer_expire_entry, | |
140 | ||
141 | TP_PROTO(struct timer_list *timer, unsigned long baseclk), | |
142 | ||
143 | TP_ARGS(timer, baseclk), | |
144 | ||
145 | TP_FIELDS( | |
146 | ctf_integer_hex(void *, timer, timer) | |
147 | ctf_integer(unsigned long, now, jiffies) | |
148 | ctf_integer_hex(void *, function, timer->function) | |
149 | ctf_integer(unsigned long, baseclk, baseclk) | |
150 | ) | |
151 | ) | |
152 | #else | |
e54456f5 MD |
153 | /** |
154 | * timer_expire_entry - called immediately before the timer callback | |
155 | * @timer: pointer to struct timer_list | |
156 | * | |
157 | * Allows to determine the timer latency. | |
158 | */ | |
3bc29f0a | 159 | LTTNG_TRACEPOINT_EVENT(timer_expire_entry, |
e54456f5 MD |
160 | |
161 | TP_PROTO(struct timer_list *timer), | |
162 | ||
163 | TP_ARGS(timer), | |
164 | ||
f127e61e | 165 | TP_FIELDS( |
fa91fcac | 166 | ctf_integer_hex(void *, timer, timer) |
f127e61e | 167 | ctf_integer(unsigned long, now, jiffies) |
fa91fcac | 168 | ctf_integer_hex(void *, function, timer->function) |
f127e61e | 169 | ) |
e54456f5 | 170 | ) |
d88e2fe5 | 171 | #endif |
e54456f5 MD |
172 | |
173 | /** | |
174 | * timer_expire_exit - called immediately after the timer callback returns | |
175 | * @timer: pointer to struct timer_list | |
176 | * | |
177 | * When used in combination with the timer_expire_entry tracepoint we can | |
178 | * determine the runtime of the timer callback function. | |
179 | * | |
180 | * NOTE: Do NOT derefernce timer in TP_fast_assign. The pointer might | |
181 | * be invalid. We solely track the pointer. | |
182 | */ | |
3bc29f0a | 183 | LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_expire_exit, |
e54456f5 MD |
184 | |
185 | TP_PROTO(struct timer_list *timer), | |
186 | ||
187 | TP_ARGS(timer) | |
188 | ) | |
189 | ||
190 | /** | |
191 | * timer_cancel - called when the timer is canceled | |
192 | * @timer: pointer to struct timer_list | |
193 | */ | |
3bc29f0a | 194 | LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_cancel, |
e54456f5 MD |
195 | |
196 | TP_PROTO(struct timer_list *timer), | |
197 | ||
198 | TP_ARGS(timer) | |
199 | ) | |
200 | ||
201 | /** | |
202 | * hrtimer_init - called when the hrtimer is initialized | |
203 | * @timer: pointer to struct hrtimer | |
204 | * @clockid: the hrtimers clock | |
205 | * @mode: the hrtimers mode | |
206 | */ | |
9bbf98da MD |
207 | LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_init, |
208 | ||
209 | timer_hrtimer_init, | |
e54456f5 MD |
210 | |
211 | TP_PROTO(struct hrtimer *hrtimer, clockid_t clockid, | |
212 | enum hrtimer_mode mode), | |
213 | ||
214 | TP_ARGS(hrtimer, clockid, mode), | |
215 | ||
f127e61e | 216 | TP_FIELDS( |
fa91fcac | 217 | ctf_integer_hex(void *, hrtimer, hrtimer) |
f127e61e | 218 | ctf_integer(clockid_t, clockid, clockid) |
9f5c9fe5 | 219 | ctf_enum(hrtimer_mode, unsigned int, mode, mode) |
f127e61e | 220 | ) |
e54456f5 MD |
221 | ) |
222 | ||
223 | /** | |
224 | * hrtimer_start - called when the hrtimer is started | |
225 | * @timer: pointer to struct hrtimer | |
226 | */ | |
5f4c791e | 227 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,16,0) || \ |
562860aa RV |
228 | LTTNG_RT_KERNEL_RANGE(4,14,0,0, 4,15,0,0)) |
229 | LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_start, | |
230 | ||
231 | timer_hrtimer_start, | |
232 | ||
233 | TP_PROTO(struct hrtimer *hrtimer, enum hrtimer_mode mode), | |
234 | ||
235 | TP_ARGS(hrtimer, mode), | |
236 | ||
237 | TP_FIELDS( | |
238 | ctf_integer_hex(void *, hrtimer, hrtimer) | |
239 | ctf_integer_hex(void *, function, hrtimer->function) | |
240 | ctf_integer(s64, expires, | |
241 | lttng_ktime_get_tv64(hrtimer_get_expires(hrtimer))) | |
242 | ctf_integer(s64, softexpires, | |
243 | lttng_ktime_get_tv64(hrtimer_get_softexpires(hrtimer))) | |
9f5c9fe5 | 244 | ctf_enum(hrtimer_mode, unsigned int, mode, mode) |
562860aa RV |
245 | ) |
246 | ) | |
247 | #else | |
9bbf98da MD |
248 | LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_start, |
249 | ||
250 | timer_hrtimer_start, | |
e54456f5 MD |
251 | |
252 | TP_PROTO(struct hrtimer *hrtimer), | |
253 | ||
254 | TP_ARGS(hrtimer), | |
255 | ||
f127e61e | 256 | TP_FIELDS( |
fa91fcac MD |
257 | ctf_integer_hex(void *, hrtimer, hrtimer) |
258 | ctf_integer_hex(void *, function, hrtimer->function) | |
507143bc MD |
259 | ctf_integer(s64, expires, |
260 | lttng_ktime_get_tv64(hrtimer_get_expires(hrtimer))) | |
261 | ctf_integer(s64, softexpires, | |
262 | lttng_ktime_get_tv64(hrtimer_get_softexpires(hrtimer))) | |
f127e61e | 263 | ) |
e54456f5 | 264 | ) |
562860aa | 265 | #endif |
e54456f5 MD |
266 | |
267 | /** | |
268 | * htimmer_expire_entry - called immediately before the hrtimer callback | |
269 | * @timer: pointer to struct hrtimer | |
270 | * @now: pointer to variable which contains current time of the | |
271 | * timers base. | |
272 | * | |
273 | * Allows to determine the timer latency. | |
274 | */ | |
9bbf98da MD |
275 | LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_expire_entry, |
276 | ||
277 | timer_hrtimer_expire_entry, | |
e54456f5 MD |
278 | |
279 | TP_PROTO(struct hrtimer *hrtimer, ktime_t *now), | |
280 | ||
281 | TP_ARGS(hrtimer, now), | |
282 | ||
f127e61e | 283 | TP_FIELDS( |
fa91fcac | 284 | ctf_integer_hex(void *, hrtimer, hrtimer) |
507143bc | 285 | ctf_integer(s64, now, lttng_ktime_get_tv64(*now)) |
fa91fcac | 286 | ctf_integer_hex(void *, function, hrtimer->function) |
f127e61e | 287 | ) |
e54456f5 MD |
288 | ) |
289 | ||
9bbf98da | 290 | LTTNG_TRACEPOINT_EVENT_CLASS(timer_hrtimer_class, |
e54456f5 MD |
291 | |
292 | TP_PROTO(struct hrtimer *hrtimer), | |
293 | ||
294 | TP_ARGS(hrtimer), | |
295 | ||
f127e61e | 296 | TP_FIELDS( |
fa91fcac | 297 | ctf_integer_hex(void *, hrtimer, hrtimer) |
f127e61e | 298 | ) |
e54456f5 MD |
299 | ) |
300 | ||
301 | /** | |
302 | * hrtimer_expire_exit - called immediately after the hrtimer callback returns | |
303 | * @timer: pointer to struct hrtimer | |
304 | * | |
305 | * When used in combination with the hrtimer_expire_entry tracepoint we can | |
306 | * determine the runtime of the callback function. | |
307 | */ | |
9bbf98da MD |
308 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(timer_hrtimer_class, hrtimer_expire_exit, |
309 | ||
310 | timer_hrtimer_expire_exit, | |
e54456f5 MD |
311 | |
312 | TP_PROTO(struct hrtimer *hrtimer), | |
313 | ||
314 | TP_ARGS(hrtimer) | |
315 | ) | |
316 | ||
317 | /** | |
318 | * hrtimer_cancel - called when the hrtimer is canceled | |
319 | * @hrtimer: pointer to struct hrtimer | |
320 | */ | |
9bbf98da MD |
321 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(timer_hrtimer_class, hrtimer_cancel, |
322 | ||
323 | timer_hrtimer_cancel, | |
e54456f5 MD |
324 | |
325 | TP_PROTO(struct hrtimer *hrtimer), | |
326 | ||
327 | TP_ARGS(hrtimer) | |
328 | ) | |
329 | ||
330 | /** | |
331 | * itimer_state - called when itimer is started or canceled | |
332 | * @which: name of the interval timer | |
333 | * @value: the itimers value, itimer is canceled if value->it_value is | |
334 | * zero, otherwise it is started | |
335 | * @expires: the itimers expiry time | |
336 | */ | |
5f4c791e | 337 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,5,0)) |
7c1dd120 MJ |
338 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_state, |
339 | ||
340 | timer_itimer_state, | |
341 | ||
342 | TP_PROTO(int which, const struct itimerspec64 *const value, | |
343 | unsigned long long expires), | |
344 | ||
345 | TP_ARGS(which, value, expires), | |
346 | ||
347 | TP_FIELDS( | |
348 | ctf_integer(int, which, which) | |
349 | ctf_integer(unsigned long long, expires, expires) | |
350 | ctf_integer(long, value_sec, value->it_value.tv_sec) | |
351 | ctf_integer(long, value_nsec, value->it_value.tv_nsec) | |
352 | ctf_integer(long, interval_sec, value->it_interval.tv_sec) | |
353 | ctf_integer(long, interval_nsec, value->it_interval.tv_nsec) | |
354 | ) | |
355 | ) | |
5f4c791e | 356 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) |
678dd1c8 FD |
357 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_state, |
358 | ||
359 | timer_itimer_state, | |
360 | ||
361 | TP_PROTO(int which, const struct itimerval *const value, | |
362 | unsigned long long expires), | |
363 | ||
364 | TP_ARGS(which, value, expires), | |
365 | ||
366 | TP_FIELDS( | |
367 | ctf_integer(int, which, which) | |
368 | ctf_integer(unsigned long long, expires, expires) | |
369 | ctf_integer(long, value_sec, value->it_value.tv_sec) | |
370 | ctf_integer(long, value_usec, value->it_value.tv_usec) | |
371 | ctf_integer(long, interval_sec, value->it_interval.tv_sec) | |
372 | ctf_integer(long, interval_usec, value->it_interval.tv_usec) | |
373 | ) | |
374 | ) | |
5f4c791e | 375 | #else /* if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ |
9bbf98da MD |
376 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_state, |
377 | ||
378 | timer_itimer_state, | |
e54456f5 MD |
379 | |
380 | TP_PROTO(int which, const struct itimerval *const value, | |
381 | cputime_t expires), | |
382 | ||
383 | TP_ARGS(which, value, expires), | |
384 | ||
f127e61e MD |
385 | TP_FIELDS( |
386 | ctf_integer(int, which, which) | |
387 | ctf_integer(cputime_t, expires, expires) | |
388 | ctf_integer(long, value_sec, value->it_value.tv_sec) | |
389 | ctf_integer(long, value_usec, value->it_value.tv_usec) | |
390 | ctf_integer(long, interval_sec, value->it_interval.tv_sec) | |
391 | ctf_integer(long, interval_usec, value->it_interval.tv_usec) | |
392 | ) | |
e54456f5 | 393 | ) |
5f4c791e | 394 | #endif /* #else (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ |
e54456f5 MD |
395 | |
396 | /** | |
397 | * itimer_expire - called when itimer expires | |
398 | * @which: type of the interval timer | |
399 | * @pid: pid of the process which owns the timer | |
400 | * @now: current time, used to calculate the latency of itimer | |
401 | */ | |
5f4c791e | 402 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) |
678dd1c8 FD |
403 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_expire, |
404 | ||
405 | timer_itimer_expire, | |
406 | ||
407 | TP_PROTO(int which, struct pid *pid, unsigned long long now), | |
408 | ||
409 | TP_ARGS(which, pid, now), | |
410 | ||
411 | TP_FIELDS( | |
412 | ctf_integer(int , which, which) | |
413 | ctf_integer(pid_t, pid, pid_nr(pid)) | |
414 | ctf_integer(unsigned long long, now, now) | |
415 | ) | |
416 | ) | |
5f4c791e | 417 | #else /* if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ |
9bbf98da MD |
418 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_expire, |
419 | ||
420 | timer_itimer_expire, | |
e54456f5 MD |
421 | |
422 | TP_PROTO(int which, struct pid *pid, cputime_t now), | |
423 | ||
424 | TP_ARGS(which, pid, now), | |
425 | ||
f127e61e MD |
426 | TP_FIELDS( |
427 | ctf_integer(int , which, which) | |
428 | ctf_integer(pid_t, pid, pid_nr(pid)) | |
429 | ctf_integer(cputime_t, now, now) | |
430 | ) | |
e54456f5 | 431 | ) |
5f4c791e | 432 | #endif /* #else (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ |
e54456f5 | 433 | |
3bc29f0a | 434 | #endif /* LTTNG_TRACE_TIMER_H */ |
e54456f5 MD |
435 | |
436 | /* This part must be outside protection */ | |
3b4aafcb | 437 | #include <lttng/define_trace.h> |