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 | ||
32328e6c MD |
80 | /** |
81 | * timer_start - called when the timer is started | |
82 | * @timer: pointer to struct timer_list | |
83 | * @expires: the timers expiry time | |
84 | * @flags: the timers expiry time | |
85 | */ | |
86 | LTTNG_TRACEPOINT_EVENT(timer_start, | |
87 | ||
88 | TP_PROTO(struct timer_list *timer, unsigned long expires, | |
89 | unsigned int flags), | |
90 | ||
91 | TP_ARGS(timer, expires, flags), | |
92 | ||
93 | TP_FIELDS( | |
fa91fcac MD |
94 | ctf_integer_hex(void *, timer, timer) |
95 | ctf_integer_hex(void *, function, timer->function) | |
32328e6c MD |
96 | ctf_integer(unsigned long, expires, expires) |
97 | ctf_integer(unsigned long, now, jiffies) | |
98 | ctf_integer(unsigned int, flags, flags) | |
99 | ) | |
100 | ) | |
e54456f5 | 101 | |
05355f0b MJ |
102 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,2,0) || \ |
103 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,193,0,0, 4,19,0,0,0,0)) | |
d88e2fe5 MJ |
104 | /** |
105 | * timer_expire_entry - called immediately before the timer callback | |
106 | * @timer: pointer to struct timer_list | |
107 | * | |
108 | * Allows to determine the timer latency. | |
109 | */ | |
110 | LTTNG_TRACEPOINT_EVENT(timer_expire_entry, | |
111 | ||
112 | TP_PROTO(struct timer_list *timer, unsigned long baseclk), | |
113 | ||
114 | TP_ARGS(timer, baseclk), | |
115 | ||
116 | TP_FIELDS( | |
117 | ctf_integer_hex(void *, timer, timer) | |
118 | ctf_integer(unsigned long, now, jiffies) | |
119 | ctf_integer_hex(void *, function, timer->function) | |
120 | ctf_integer(unsigned long, baseclk, baseclk) | |
121 | ) | |
122 | ) | |
123 | #else | |
e54456f5 MD |
124 | /** |
125 | * timer_expire_entry - called immediately before the timer callback | |
126 | * @timer: pointer to struct timer_list | |
127 | * | |
128 | * Allows to determine the timer latency. | |
129 | */ | |
3bc29f0a | 130 | LTTNG_TRACEPOINT_EVENT(timer_expire_entry, |
e54456f5 MD |
131 | |
132 | TP_PROTO(struct timer_list *timer), | |
133 | ||
134 | TP_ARGS(timer), | |
135 | ||
f127e61e | 136 | TP_FIELDS( |
fa91fcac | 137 | ctf_integer_hex(void *, timer, timer) |
f127e61e | 138 | ctf_integer(unsigned long, now, jiffies) |
fa91fcac | 139 | ctf_integer_hex(void *, function, timer->function) |
f127e61e | 140 | ) |
e54456f5 | 141 | ) |
d88e2fe5 | 142 | #endif |
e54456f5 MD |
143 | |
144 | /** | |
145 | * timer_expire_exit - called immediately after the timer callback returns | |
146 | * @timer: pointer to struct timer_list | |
147 | * | |
148 | * When used in combination with the timer_expire_entry tracepoint we can | |
149 | * determine the runtime of the timer callback function. | |
150 | * | |
151 | * NOTE: Do NOT derefernce timer in TP_fast_assign. The pointer might | |
152 | * be invalid. We solely track the pointer. | |
153 | */ | |
3bc29f0a | 154 | LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_expire_exit, |
e54456f5 MD |
155 | |
156 | TP_PROTO(struct timer_list *timer), | |
157 | ||
158 | TP_ARGS(timer) | |
159 | ) | |
160 | ||
161 | /** | |
162 | * timer_cancel - called when the timer is canceled | |
163 | * @timer: pointer to struct timer_list | |
164 | */ | |
3bc29f0a | 165 | LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_cancel, |
e54456f5 MD |
166 | |
167 | TP_PROTO(struct timer_list *timer), | |
168 | ||
169 | TP_ARGS(timer) | |
170 | ) | |
171 | ||
172 | /** | |
173 | * hrtimer_init - called when the hrtimer is initialized | |
174 | * @timer: pointer to struct hrtimer | |
175 | * @clockid: the hrtimers clock | |
176 | * @mode: the hrtimers mode | |
177 | */ | |
9bbf98da MD |
178 | LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_init, |
179 | ||
180 | timer_hrtimer_init, | |
e54456f5 MD |
181 | |
182 | TP_PROTO(struct hrtimer *hrtimer, clockid_t clockid, | |
183 | enum hrtimer_mode mode), | |
184 | ||
185 | TP_ARGS(hrtimer, clockid, mode), | |
186 | ||
f127e61e | 187 | TP_FIELDS( |
fa91fcac | 188 | ctf_integer_hex(void *, hrtimer, hrtimer) |
f127e61e | 189 | ctf_integer(clockid_t, clockid, clockid) |
9f5c9fe5 | 190 | ctf_enum(hrtimer_mode, unsigned int, mode, mode) |
f127e61e | 191 | ) |
e54456f5 MD |
192 | ) |
193 | ||
194 | /** | |
195 | * hrtimer_start - called when the hrtimer is started | |
196 | * @timer: pointer to struct hrtimer | |
197 | */ | |
5f4c791e | 198 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,16,0) || \ |
562860aa RV |
199 | LTTNG_RT_KERNEL_RANGE(4,14,0,0, 4,15,0,0)) |
200 | LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_start, | |
201 | ||
202 | timer_hrtimer_start, | |
203 | ||
204 | TP_PROTO(struct hrtimer *hrtimer, enum hrtimer_mode mode), | |
205 | ||
206 | TP_ARGS(hrtimer, mode), | |
207 | ||
208 | TP_FIELDS( | |
209 | ctf_integer_hex(void *, hrtimer, hrtimer) | |
210 | ctf_integer_hex(void *, function, hrtimer->function) | |
211 | ctf_integer(s64, expires, | |
212 | lttng_ktime_get_tv64(hrtimer_get_expires(hrtimer))) | |
213 | ctf_integer(s64, softexpires, | |
214 | lttng_ktime_get_tv64(hrtimer_get_softexpires(hrtimer))) | |
9f5c9fe5 | 215 | ctf_enum(hrtimer_mode, unsigned int, mode, mode) |
562860aa RV |
216 | ) |
217 | ) | |
218 | #else | |
9bbf98da MD |
219 | LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_start, |
220 | ||
221 | timer_hrtimer_start, | |
e54456f5 MD |
222 | |
223 | TP_PROTO(struct hrtimer *hrtimer), | |
224 | ||
225 | TP_ARGS(hrtimer), | |
226 | ||
f127e61e | 227 | TP_FIELDS( |
fa91fcac MD |
228 | ctf_integer_hex(void *, hrtimer, hrtimer) |
229 | ctf_integer_hex(void *, function, hrtimer->function) | |
507143bc MD |
230 | ctf_integer(s64, expires, |
231 | lttng_ktime_get_tv64(hrtimer_get_expires(hrtimer))) | |
232 | ctf_integer(s64, softexpires, | |
233 | lttng_ktime_get_tv64(hrtimer_get_softexpires(hrtimer))) | |
f127e61e | 234 | ) |
e54456f5 | 235 | ) |
562860aa | 236 | #endif |
e54456f5 MD |
237 | |
238 | /** | |
239 | * htimmer_expire_entry - called immediately before the hrtimer callback | |
240 | * @timer: pointer to struct hrtimer | |
241 | * @now: pointer to variable which contains current time of the | |
242 | * timers base. | |
243 | * | |
244 | * Allows to determine the timer latency. | |
245 | */ | |
9bbf98da MD |
246 | LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_expire_entry, |
247 | ||
248 | timer_hrtimer_expire_entry, | |
e54456f5 MD |
249 | |
250 | TP_PROTO(struct hrtimer *hrtimer, ktime_t *now), | |
251 | ||
252 | TP_ARGS(hrtimer, now), | |
253 | ||
f127e61e | 254 | TP_FIELDS( |
fa91fcac | 255 | ctf_integer_hex(void *, hrtimer, hrtimer) |
507143bc | 256 | ctf_integer(s64, now, lttng_ktime_get_tv64(*now)) |
fa91fcac | 257 | ctf_integer_hex(void *, function, hrtimer->function) |
f127e61e | 258 | ) |
e54456f5 MD |
259 | ) |
260 | ||
9bbf98da | 261 | LTTNG_TRACEPOINT_EVENT_CLASS(timer_hrtimer_class, |
e54456f5 MD |
262 | |
263 | TP_PROTO(struct hrtimer *hrtimer), | |
264 | ||
265 | TP_ARGS(hrtimer), | |
266 | ||
f127e61e | 267 | TP_FIELDS( |
fa91fcac | 268 | ctf_integer_hex(void *, hrtimer, hrtimer) |
f127e61e | 269 | ) |
e54456f5 MD |
270 | ) |
271 | ||
272 | /** | |
273 | * hrtimer_expire_exit - called immediately after the hrtimer callback returns | |
274 | * @timer: pointer to struct hrtimer | |
275 | * | |
276 | * When used in combination with the hrtimer_expire_entry tracepoint we can | |
277 | * determine the runtime of the callback function. | |
278 | */ | |
9bbf98da MD |
279 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(timer_hrtimer_class, hrtimer_expire_exit, |
280 | ||
281 | timer_hrtimer_expire_exit, | |
e54456f5 MD |
282 | |
283 | TP_PROTO(struct hrtimer *hrtimer), | |
284 | ||
285 | TP_ARGS(hrtimer) | |
286 | ) | |
287 | ||
288 | /** | |
289 | * hrtimer_cancel - called when the hrtimer is canceled | |
290 | * @hrtimer: pointer to struct hrtimer | |
291 | */ | |
9bbf98da MD |
292 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(timer_hrtimer_class, hrtimer_cancel, |
293 | ||
294 | timer_hrtimer_cancel, | |
e54456f5 MD |
295 | |
296 | TP_PROTO(struct hrtimer *hrtimer), | |
297 | ||
298 | TP_ARGS(hrtimer) | |
299 | ) | |
300 | ||
301 | /** | |
302 | * itimer_state - called when itimer is started or canceled | |
303 | * @which: name of the interval timer | |
304 | * @value: the itimers value, itimer is canceled if value->it_value is | |
305 | * zero, otherwise it is started | |
306 | * @expires: the itimers expiry time | |
307 | */ | |
5f4c791e | 308 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,5,0)) |
7c1dd120 MJ |
309 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_state, |
310 | ||
311 | timer_itimer_state, | |
312 | ||
313 | TP_PROTO(int which, const struct itimerspec64 *const value, | |
314 | unsigned long long expires), | |
315 | ||
316 | TP_ARGS(which, value, expires), | |
317 | ||
318 | TP_FIELDS( | |
319 | ctf_integer(int, which, which) | |
320 | ctf_integer(unsigned long long, expires, expires) | |
321 | ctf_integer(long, value_sec, value->it_value.tv_sec) | |
322 | ctf_integer(long, value_nsec, value->it_value.tv_nsec) | |
323 | ctf_integer(long, interval_sec, value->it_interval.tv_sec) | |
324 | ctf_integer(long, interval_nsec, value->it_interval.tv_nsec) | |
325 | ) | |
326 | ) | |
5f4c791e | 327 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) |
678dd1c8 FD |
328 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_state, |
329 | ||
330 | timer_itimer_state, | |
331 | ||
332 | TP_PROTO(int which, const struct itimerval *const value, | |
333 | unsigned long long expires), | |
334 | ||
335 | TP_ARGS(which, value, expires), | |
336 | ||
337 | TP_FIELDS( | |
338 | ctf_integer(int, which, which) | |
339 | ctf_integer(unsigned long long, expires, expires) | |
340 | ctf_integer(long, value_sec, value->it_value.tv_sec) | |
341 | ctf_integer(long, value_usec, value->it_value.tv_usec) | |
342 | ctf_integer(long, interval_sec, value->it_interval.tv_sec) | |
343 | ctf_integer(long, interval_usec, value->it_interval.tv_usec) | |
344 | ) | |
345 | ) | |
5f4c791e | 346 | #else /* if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ |
9bbf98da MD |
347 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_state, |
348 | ||
349 | timer_itimer_state, | |
e54456f5 MD |
350 | |
351 | TP_PROTO(int which, const struct itimerval *const value, | |
352 | cputime_t expires), | |
353 | ||
354 | TP_ARGS(which, value, expires), | |
355 | ||
f127e61e MD |
356 | TP_FIELDS( |
357 | ctf_integer(int, which, which) | |
358 | ctf_integer(cputime_t, expires, expires) | |
359 | ctf_integer(long, value_sec, value->it_value.tv_sec) | |
360 | ctf_integer(long, value_usec, value->it_value.tv_usec) | |
361 | ctf_integer(long, interval_sec, value->it_interval.tv_sec) | |
362 | ctf_integer(long, interval_usec, value->it_interval.tv_usec) | |
363 | ) | |
e54456f5 | 364 | ) |
5f4c791e | 365 | #endif /* #else (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ |
e54456f5 MD |
366 | |
367 | /** | |
368 | * itimer_expire - called when itimer expires | |
369 | * @which: type of the interval timer | |
370 | * @pid: pid of the process which owns the timer | |
371 | * @now: current time, used to calculate the latency of itimer | |
372 | */ | |
5f4c791e | 373 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) |
678dd1c8 FD |
374 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_expire, |
375 | ||
376 | timer_itimer_expire, | |
377 | ||
378 | TP_PROTO(int which, struct pid *pid, unsigned long long now), | |
379 | ||
380 | TP_ARGS(which, pid, now), | |
381 | ||
382 | TP_FIELDS( | |
383 | ctf_integer(int , which, which) | |
384 | ctf_integer(pid_t, pid, pid_nr(pid)) | |
385 | ctf_integer(unsigned long long, now, now) | |
386 | ) | |
387 | ) | |
5f4c791e | 388 | #else /* if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ |
9bbf98da MD |
389 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_expire, |
390 | ||
391 | timer_itimer_expire, | |
e54456f5 MD |
392 | |
393 | TP_PROTO(int which, struct pid *pid, cputime_t now), | |
394 | ||
395 | TP_ARGS(which, pid, now), | |
396 | ||
f127e61e MD |
397 | TP_FIELDS( |
398 | ctf_integer(int , which, which) | |
399 | ctf_integer(pid_t, pid, pid_nr(pid)) | |
400 | ctf_integer(cputime_t, now, now) | |
401 | ) | |
e54456f5 | 402 | ) |
5f4c791e | 403 | #endif /* #else (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ |
e54456f5 | 404 | |
3bc29f0a | 405 | #endif /* LTTNG_TRACE_TIMER_H */ |
e54456f5 MD |
406 | |
407 | /* This part must be outside protection */ | |
3b4aafcb | 408 | #include <lttng/define_trace.h> |