Commit | Line | Data |
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b7cdc182 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
e54456f5 MD |
2 | #undef TRACE_SYSTEM |
3 | #define TRACE_SYSTEM timer | |
4 | ||
3bc29f0a MD |
5 | #if !defined(LTTNG_TRACE_TIMER_H) || defined(TRACE_HEADER_MULTI_READ) |
6 | #define LTTNG_TRACE_TIMER_H | |
e54456f5 | 7 | |
3b4aafcb | 8 | #include <lttng/tracepoint-event.h> |
e54456f5 MD |
9 | |
10 | #ifndef _TRACE_TIMER_DEF_ | |
11 | #define _TRACE_TIMER_DEF_ | |
12 | #include <linux/hrtimer.h> | |
13 | #include <linux/timer.h> | |
5f4c791e | 14 | #include <lttng/kernel-version.h> |
3a523f5b MD |
15 | |
16 | struct timer_list; | |
17 | ||
e54456f5 MD |
18 | #endif /* _TRACE_TIMER_DEF_ */ |
19 | ||
9f5c9fe5 MD |
20 | LTTNG_TRACEPOINT_ENUM(hrtimer_mode, |
21 | TP_ENUM_VALUES( | |
22 | ctf_enum_value("HRTIMER_MODE_ABS", HRTIMER_MODE_ABS) | |
23 | ctf_enum_value("HRTIMER_MODE_REL", HRTIMER_MODE_REL) | |
24 | ctf_enum_value("HRTIMER_MODE_PINNED", HRTIMER_MODE_PINNED) | |
25 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,16,0)) | |
26 | ctf_enum_value("HRTIMER_MODE_SOFT", HRTIMER_MODE_SOFT) | |
27 | #endif | |
28 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,4,0)) | |
29 | ctf_enum_value("HRTIMER_MODE_HARD", HRTIMER_MODE_HARD) | |
30 | #endif | |
31 | ||
32 | ctf_enum_value("HRTIMER_MODE_ABS_PINNED", HRTIMER_MODE_ABS_PINNED) | |
33 | ctf_enum_value("HRTIMER_MODE_REL_PINNED", HRTIMER_MODE_REL_PINNED) | |
34 | ||
35 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,16,0)) | |
36 | ctf_enum_value("HRTIMER_MODE_ABS_SOFT", HRTIMER_MODE_ABS_SOFT) | |
37 | ctf_enum_value("HRTIMER_MODE_REL_SOFT", HRTIMER_MODE_REL_SOFT) | |
38 | ||
39 | ctf_enum_value("HRTIMER_MODE_ABS_PINNED_SOFT", HRTIMER_MODE_ABS_PINNED_SOFT) | |
40 | ctf_enum_value("HRTIMER_MODE_REL_PINNED_SOFT", HRTIMER_MODE_REL_PINNED_SOFT) | |
41 | #endif | |
42 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,4,0)) | |
43 | ctf_enum_value("HRTIMER_MODE_ABS_HARD", HRTIMER_MODE_ABS_HARD) | |
44 | ctf_enum_value("HRTIMER_MODE_REL_HARD", HRTIMER_MODE_REL_HARD) | |
45 | ||
46 | ctf_enum_value("HRTIMER_MODE_ABS_PINNED_HARD", HRTIMER_MODE_ABS_PINNED_HARD) | |
47 | ctf_enum_value("HRTIMER_MODE_REL_PINNED_HARD", HRTIMER_MODE_REL_PINNED_HARD) | |
48 | #endif | |
49 | ) | |
50 | ) | |
51 | ||
5f4c791e | 52 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) |
507143bc | 53 | #define lttng_ktime_get_tv64(kt) (kt) |
5f4c791e | 54 | #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) */ |
507143bc | 55 | #define lttng_ktime_get_tv64(kt) ((kt).tv64) |
5f4c791e | 56 | #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) */ |
507143bc | 57 | |
3bc29f0a | 58 | LTTNG_TRACEPOINT_EVENT_CLASS(timer_class, |
e54456f5 MD |
59 | |
60 | TP_PROTO(struct timer_list *timer), | |
61 | ||
62 | TP_ARGS(timer), | |
63 | ||
f127e61e | 64 | TP_FIELDS( |
fa91fcac | 65 | ctf_integer_hex(void *, timer, timer) |
f127e61e | 66 | ) |
e54456f5 MD |
67 | ) |
68 | ||
69 | /** | |
70 | * timer_init - called when the timer is initialized | |
71 | * @timer: pointer to struct timer_list | |
72 | */ | |
3bc29f0a | 73 | LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_init, |
e54456f5 MD |
74 | |
75 | TP_PROTO(struct timer_list *timer), | |
76 | ||
77 | TP_ARGS(timer) | |
78 | ) | |
79 | ||
5f4c791e | 80 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0) || \ |
a2e303cc | 81 | LTTNG_RHEL_KERNEL_RANGE(3,10,0,957,0,0, 3,11,0,0,0,0)) |
32328e6c MD |
82 | /** |
83 | * timer_start - called when the timer is started | |
84 | * @timer: pointer to struct timer_list | |
85 | * @expires: the timers expiry time | |
86 | * @flags: the timers expiry time | |
87 | */ | |
88 | LTTNG_TRACEPOINT_EVENT(timer_start, | |
89 | ||
90 | TP_PROTO(struct timer_list *timer, unsigned long expires, | |
91 | unsigned int flags), | |
92 | ||
93 | TP_ARGS(timer, expires, flags), | |
94 | ||
95 | TP_FIELDS( | |
fa91fcac MD |
96 | ctf_integer_hex(void *, timer, timer) |
97 | ctf_integer_hex(void *, function, timer->function) | |
32328e6c MD |
98 | ctf_integer(unsigned long, expires, expires) |
99 | ctf_integer(unsigned long, now, jiffies) | |
100 | ctf_integer(unsigned int, flags, flags) | |
101 | ) | |
102 | ) | |
5f4c791e | 103 | #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */ |
e54456f5 MD |
104 | /** |
105 | * timer_start - called when the timer is started | |
106 | * @timer: pointer to struct timer_list | |
107 | * @expires: the timers expiry time | |
108 | */ | |
3bc29f0a | 109 | LTTNG_TRACEPOINT_EVENT(timer_start, |
e54456f5 MD |
110 | |
111 | TP_PROTO(struct timer_list *timer, unsigned long expires), | |
112 | ||
113 | TP_ARGS(timer, expires), | |
114 | ||
f127e61e | 115 | TP_FIELDS( |
fa91fcac MD |
116 | ctf_integer_hex(void *, timer, timer) |
117 | ctf_integer_hex(void *, function, timer->function) | |
f127e61e MD |
118 | ctf_integer(unsigned long, expires, expires) |
119 | ctf_integer(unsigned long, now, jiffies) | |
120 | ) | |
e54456f5 | 121 | ) |
5f4c791e | 122 | #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */ |
e54456f5 | 123 | |
05355f0b MJ |
124 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,2,0) || \ |
125 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,193,0,0, 4,19,0,0,0,0)) | |
d88e2fe5 MJ |
126 | /** |
127 | * timer_expire_entry - called immediately before the timer callback | |
128 | * @timer: pointer to struct timer_list | |
129 | * | |
130 | * Allows to determine the timer latency. | |
131 | */ | |
132 | LTTNG_TRACEPOINT_EVENT(timer_expire_entry, | |
133 | ||
134 | TP_PROTO(struct timer_list *timer, unsigned long baseclk), | |
135 | ||
136 | TP_ARGS(timer, baseclk), | |
137 | ||
138 | TP_FIELDS( | |
139 | ctf_integer_hex(void *, timer, timer) | |
140 | ctf_integer(unsigned long, now, jiffies) | |
141 | ctf_integer_hex(void *, function, timer->function) | |
142 | ctf_integer(unsigned long, baseclk, baseclk) | |
143 | ) | |
144 | ) | |
145 | #else | |
e54456f5 MD |
146 | /** |
147 | * timer_expire_entry - called immediately before the timer callback | |
148 | * @timer: pointer to struct timer_list | |
149 | * | |
150 | * Allows to determine the timer latency. | |
151 | */ | |
3bc29f0a | 152 | LTTNG_TRACEPOINT_EVENT(timer_expire_entry, |
e54456f5 MD |
153 | |
154 | TP_PROTO(struct timer_list *timer), | |
155 | ||
156 | TP_ARGS(timer), | |
157 | ||
f127e61e | 158 | TP_FIELDS( |
fa91fcac | 159 | ctf_integer_hex(void *, timer, timer) |
f127e61e | 160 | ctf_integer(unsigned long, now, jiffies) |
fa91fcac | 161 | ctf_integer_hex(void *, function, timer->function) |
f127e61e | 162 | ) |
e54456f5 | 163 | ) |
d88e2fe5 | 164 | #endif |
e54456f5 MD |
165 | |
166 | /** | |
167 | * timer_expire_exit - called immediately after the timer callback returns | |
168 | * @timer: pointer to struct timer_list | |
169 | * | |
170 | * When used in combination with the timer_expire_entry tracepoint we can | |
171 | * determine the runtime of the timer callback function. | |
172 | * | |
173 | * NOTE: Do NOT derefernce timer in TP_fast_assign. The pointer might | |
174 | * be invalid. We solely track the pointer. | |
175 | */ | |
3bc29f0a | 176 | LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_expire_exit, |
e54456f5 MD |
177 | |
178 | TP_PROTO(struct timer_list *timer), | |
179 | ||
180 | TP_ARGS(timer) | |
181 | ) | |
182 | ||
183 | /** | |
184 | * timer_cancel - called when the timer is canceled | |
185 | * @timer: pointer to struct timer_list | |
186 | */ | |
3bc29f0a | 187 | LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_cancel, |
e54456f5 MD |
188 | |
189 | TP_PROTO(struct timer_list *timer), | |
190 | ||
191 | TP_ARGS(timer) | |
192 | ) | |
193 | ||
194 | /** | |
195 | * hrtimer_init - called when the hrtimer is initialized | |
196 | * @timer: pointer to struct hrtimer | |
197 | * @clockid: the hrtimers clock | |
198 | * @mode: the hrtimers mode | |
199 | */ | |
9bbf98da MD |
200 | LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_init, |
201 | ||
202 | timer_hrtimer_init, | |
e54456f5 MD |
203 | |
204 | TP_PROTO(struct hrtimer *hrtimer, clockid_t clockid, | |
205 | enum hrtimer_mode mode), | |
206 | ||
207 | TP_ARGS(hrtimer, clockid, mode), | |
208 | ||
f127e61e | 209 | TP_FIELDS( |
fa91fcac | 210 | ctf_integer_hex(void *, hrtimer, hrtimer) |
f127e61e | 211 | ctf_integer(clockid_t, clockid, clockid) |
9f5c9fe5 | 212 | ctf_enum(hrtimer_mode, unsigned int, mode, mode) |
f127e61e | 213 | ) |
e54456f5 MD |
214 | ) |
215 | ||
216 | /** | |
217 | * hrtimer_start - called when the hrtimer is started | |
218 | * @timer: pointer to struct hrtimer | |
219 | */ | |
5f4c791e | 220 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,16,0) || \ |
562860aa RV |
221 | LTTNG_RT_KERNEL_RANGE(4,14,0,0, 4,15,0,0)) |
222 | LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_start, | |
223 | ||
224 | timer_hrtimer_start, | |
225 | ||
226 | TP_PROTO(struct hrtimer *hrtimer, enum hrtimer_mode mode), | |
227 | ||
228 | TP_ARGS(hrtimer, mode), | |
229 | ||
230 | TP_FIELDS( | |
231 | ctf_integer_hex(void *, hrtimer, hrtimer) | |
232 | ctf_integer_hex(void *, function, hrtimer->function) | |
233 | ctf_integer(s64, expires, | |
234 | lttng_ktime_get_tv64(hrtimer_get_expires(hrtimer))) | |
235 | ctf_integer(s64, softexpires, | |
236 | lttng_ktime_get_tv64(hrtimer_get_softexpires(hrtimer))) | |
9f5c9fe5 | 237 | ctf_enum(hrtimer_mode, unsigned int, mode, mode) |
562860aa RV |
238 | ) |
239 | ) | |
240 | #else | |
9bbf98da MD |
241 | LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_start, |
242 | ||
243 | timer_hrtimer_start, | |
e54456f5 MD |
244 | |
245 | TP_PROTO(struct hrtimer *hrtimer), | |
246 | ||
247 | TP_ARGS(hrtimer), | |
248 | ||
f127e61e | 249 | TP_FIELDS( |
fa91fcac MD |
250 | ctf_integer_hex(void *, hrtimer, hrtimer) |
251 | ctf_integer_hex(void *, function, hrtimer->function) | |
507143bc MD |
252 | ctf_integer(s64, expires, |
253 | lttng_ktime_get_tv64(hrtimer_get_expires(hrtimer))) | |
254 | ctf_integer(s64, softexpires, | |
255 | lttng_ktime_get_tv64(hrtimer_get_softexpires(hrtimer))) | |
f127e61e | 256 | ) |
e54456f5 | 257 | ) |
562860aa | 258 | #endif |
e54456f5 MD |
259 | |
260 | /** | |
261 | * htimmer_expire_entry - called immediately before the hrtimer callback | |
262 | * @timer: pointer to struct hrtimer | |
263 | * @now: pointer to variable which contains current time of the | |
264 | * timers base. | |
265 | * | |
266 | * Allows to determine the timer latency. | |
267 | */ | |
9bbf98da MD |
268 | LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_expire_entry, |
269 | ||
270 | timer_hrtimer_expire_entry, | |
e54456f5 MD |
271 | |
272 | TP_PROTO(struct hrtimer *hrtimer, ktime_t *now), | |
273 | ||
274 | TP_ARGS(hrtimer, now), | |
275 | ||
f127e61e | 276 | TP_FIELDS( |
fa91fcac | 277 | ctf_integer_hex(void *, hrtimer, hrtimer) |
507143bc | 278 | ctf_integer(s64, now, lttng_ktime_get_tv64(*now)) |
fa91fcac | 279 | ctf_integer_hex(void *, function, hrtimer->function) |
f127e61e | 280 | ) |
e54456f5 MD |
281 | ) |
282 | ||
9bbf98da | 283 | LTTNG_TRACEPOINT_EVENT_CLASS(timer_hrtimer_class, |
e54456f5 MD |
284 | |
285 | TP_PROTO(struct hrtimer *hrtimer), | |
286 | ||
287 | TP_ARGS(hrtimer), | |
288 | ||
f127e61e | 289 | TP_FIELDS( |
fa91fcac | 290 | ctf_integer_hex(void *, hrtimer, hrtimer) |
f127e61e | 291 | ) |
e54456f5 MD |
292 | ) |
293 | ||
294 | /** | |
295 | * hrtimer_expire_exit - called immediately after the hrtimer callback returns | |
296 | * @timer: pointer to struct hrtimer | |
297 | * | |
298 | * When used in combination with the hrtimer_expire_entry tracepoint we can | |
299 | * determine the runtime of the callback function. | |
300 | */ | |
9bbf98da MD |
301 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(timer_hrtimer_class, hrtimer_expire_exit, |
302 | ||
303 | timer_hrtimer_expire_exit, | |
e54456f5 MD |
304 | |
305 | TP_PROTO(struct hrtimer *hrtimer), | |
306 | ||
307 | TP_ARGS(hrtimer) | |
308 | ) | |
309 | ||
310 | /** | |
311 | * hrtimer_cancel - called when the hrtimer is canceled | |
312 | * @hrtimer: pointer to struct hrtimer | |
313 | */ | |
9bbf98da MD |
314 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(timer_hrtimer_class, hrtimer_cancel, |
315 | ||
316 | timer_hrtimer_cancel, | |
e54456f5 MD |
317 | |
318 | TP_PROTO(struct hrtimer *hrtimer), | |
319 | ||
320 | TP_ARGS(hrtimer) | |
321 | ) | |
322 | ||
323 | /** | |
324 | * itimer_state - called when itimer is started or canceled | |
325 | * @which: name of the interval timer | |
326 | * @value: the itimers value, itimer is canceled if value->it_value is | |
327 | * zero, otherwise it is started | |
328 | * @expires: the itimers expiry time | |
329 | */ | |
5f4c791e | 330 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,5,0)) |
7c1dd120 MJ |
331 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_state, |
332 | ||
333 | timer_itimer_state, | |
334 | ||
335 | TP_PROTO(int which, const struct itimerspec64 *const value, | |
336 | unsigned long long expires), | |
337 | ||
338 | TP_ARGS(which, value, expires), | |
339 | ||
340 | TP_FIELDS( | |
341 | ctf_integer(int, which, which) | |
342 | ctf_integer(unsigned long long, expires, expires) | |
343 | ctf_integer(long, value_sec, value->it_value.tv_sec) | |
344 | ctf_integer(long, value_nsec, value->it_value.tv_nsec) | |
345 | ctf_integer(long, interval_sec, value->it_interval.tv_sec) | |
346 | ctf_integer(long, interval_nsec, value->it_interval.tv_nsec) | |
347 | ) | |
348 | ) | |
5f4c791e | 349 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) |
678dd1c8 FD |
350 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_state, |
351 | ||
352 | timer_itimer_state, | |
353 | ||
354 | TP_PROTO(int which, const struct itimerval *const value, | |
355 | unsigned long long expires), | |
356 | ||
357 | TP_ARGS(which, value, expires), | |
358 | ||
359 | TP_FIELDS( | |
360 | ctf_integer(int, which, which) | |
361 | ctf_integer(unsigned long long, expires, expires) | |
362 | ctf_integer(long, value_sec, value->it_value.tv_sec) | |
363 | ctf_integer(long, value_usec, value->it_value.tv_usec) | |
364 | ctf_integer(long, interval_sec, value->it_interval.tv_sec) | |
365 | ctf_integer(long, interval_usec, value->it_interval.tv_usec) | |
366 | ) | |
367 | ) | |
5f4c791e | 368 | #else /* if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ |
9bbf98da MD |
369 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_state, |
370 | ||
371 | timer_itimer_state, | |
e54456f5 MD |
372 | |
373 | TP_PROTO(int which, const struct itimerval *const value, | |
374 | cputime_t expires), | |
375 | ||
376 | TP_ARGS(which, value, expires), | |
377 | ||
f127e61e MD |
378 | TP_FIELDS( |
379 | ctf_integer(int, which, which) | |
380 | ctf_integer(cputime_t, expires, expires) | |
381 | ctf_integer(long, value_sec, value->it_value.tv_sec) | |
382 | ctf_integer(long, value_usec, value->it_value.tv_usec) | |
383 | ctf_integer(long, interval_sec, value->it_interval.tv_sec) | |
384 | ctf_integer(long, interval_usec, value->it_interval.tv_usec) | |
385 | ) | |
e54456f5 | 386 | ) |
5f4c791e | 387 | #endif /* #else (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ |
e54456f5 MD |
388 | |
389 | /** | |
390 | * itimer_expire - called when itimer expires | |
391 | * @which: type of the interval timer | |
392 | * @pid: pid of the process which owns the timer | |
393 | * @now: current time, used to calculate the latency of itimer | |
394 | */ | |
5f4c791e | 395 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) |
678dd1c8 FD |
396 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_expire, |
397 | ||
398 | timer_itimer_expire, | |
399 | ||
400 | TP_PROTO(int which, struct pid *pid, unsigned long long now), | |
401 | ||
402 | TP_ARGS(which, pid, now), | |
403 | ||
404 | TP_FIELDS( | |
405 | ctf_integer(int , which, which) | |
406 | ctf_integer(pid_t, pid, pid_nr(pid)) | |
407 | ctf_integer(unsigned long long, now, now) | |
408 | ) | |
409 | ) | |
5f4c791e | 410 | #else /* if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ |
9bbf98da MD |
411 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_expire, |
412 | ||
413 | timer_itimer_expire, | |
e54456f5 MD |
414 | |
415 | TP_PROTO(int which, struct pid *pid, cputime_t now), | |
416 | ||
417 | TP_ARGS(which, pid, now), | |
418 | ||
f127e61e MD |
419 | TP_FIELDS( |
420 | ctf_integer(int , which, which) | |
421 | ctf_integer(pid_t, pid, pid_nr(pid)) | |
422 | ctf_integer(cputime_t, now, now) | |
423 | ) | |
e54456f5 | 424 | ) |
5f4c791e | 425 | #endif /* #else (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ |
e54456f5 | 426 | |
3bc29f0a | 427 | #endif /* LTTNG_TRACE_TIMER_H */ |
e54456f5 MD |
428 | |
429 | /* This part must be outside protection */ | |
3b4aafcb | 430 | #include <lttng/define_trace.h> |