Commit | Line | Data |
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e54456f5 MD |
1 | #undef TRACE_SYSTEM |
2 | #define TRACE_SYSTEM timer | |
3 | ||
3bc29f0a MD |
4 | #if !defined(LTTNG_TRACE_TIMER_H) || defined(TRACE_HEADER_MULTI_READ) |
5 | #define LTTNG_TRACE_TIMER_H | |
e54456f5 | 6 | |
6ec43db8 | 7 | #include <probes/lttng-tracepoint-event.h> |
e54456f5 MD |
8 | |
9 | #ifndef _TRACE_TIMER_DEF_ | |
10 | #define _TRACE_TIMER_DEF_ | |
11 | #include <linux/hrtimer.h> | |
12 | #include <linux/timer.h> | |
32328e6c | 13 | #include <linux/version.h> |
3a523f5b MD |
14 | |
15 | struct timer_list; | |
16 | ||
e54456f5 MD |
17 | #endif /* _TRACE_TIMER_DEF_ */ |
18 | ||
507143bc MD |
19 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) |
20 | #define lttng_ktime_get_tv64(kt) (kt) | |
21 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) */ | |
22 | #define lttng_ktime_get_tv64(kt) ((kt).tv64) | |
23 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) */ | |
24 | ||
3bc29f0a | 25 | LTTNG_TRACEPOINT_EVENT_CLASS(timer_class, |
e54456f5 MD |
26 | |
27 | TP_PROTO(struct timer_list *timer), | |
28 | ||
29 | TP_ARGS(timer), | |
30 | ||
f127e61e | 31 | TP_FIELDS( |
fa91fcac | 32 | ctf_integer_hex(void *, timer, timer) |
f127e61e | 33 | ) |
e54456f5 MD |
34 | ) |
35 | ||
36 | /** | |
37 | * timer_init - called when the timer is initialized | |
38 | * @timer: pointer to struct timer_list | |
39 | */ | |
3bc29f0a | 40 | LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_init, |
e54456f5 MD |
41 | |
42 | TP_PROTO(struct timer_list *timer), | |
43 | ||
44 | TP_ARGS(timer) | |
45 | ) | |
46 | ||
4eaeb54a MJ |
47 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0) || \ |
48 | LTTNG_RHEL_KERNEL_RANGE(3,10,0,957,0,0, 3,11,0,0,0,0)) | |
32328e6c MD |
49 | /** |
50 | * timer_start - called when the timer is started | |
51 | * @timer: pointer to struct timer_list | |
52 | * @expires: the timers expiry time | |
53 | * @flags: the timers expiry time | |
54 | */ | |
55 | LTTNG_TRACEPOINT_EVENT(timer_start, | |
56 | ||
57 | TP_PROTO(struct timer_list *timer, unsigned long expires, | |
58 | unsigned int flags), | |
59 | ||
60 | TP_ARGS(timer, expires, flags), | |
61 | ||
62 | TP_FIELDS( | |
fa91fcac MD |
63 | ctf_integer_hex(void *, timer, timer) |
64 | ctf_integer_hex(void *, function, timer->function) | |
32328e6c MD |
65 | ctf_integer(unsigned long, expires, expires) |
66 | ctf_integer(unsigned long, now, jiffies) | |
67 | ctf_integer(unsigned int, flags, flags) | |
68 | ) | |
69 | ) | |
70 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */ | |
e54456f5 MD |
71 | /** |
72 | * timer_start - called when the timer is started | |
73 | * @timer: pointer to struct timer_list | |
74 | * @expires: the timers expiry time | |
75 | */ | |
3bc29f0a | 76 | LTTNG_TRACEPOINT_EVENT(timer_start, |
e54456f5 MD |
77 | |
78 | TP_PROTO(struct timer_list *timer, unsigned long expires), | |
79 | ||
80 | TP_ARGS(timer, expires), | |
81 | ||
f127e61e | 82 | TP_FIELDS( |
fa91fcac MD |
83 | ctf_integer_hex(void *, timer, timer) |
84 | ctf_integer_hex(void *, function, timer->function) | |
f127e61e MD |
85 | ctf_integer(unsigned long, expires, expires) |
86 | ctf_integer(unsigned long, now, jiffies) | |
87 | ) | |
e54456f5 | 88 | ) |
32328e6c | 89 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */ |
e54456f5 | 90 | |
7456fae1 MJ |
91 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0)) |
92 | /** | |
93 | * timer_expire_entry - called immediately before the timer callback | |
94 | * @timer: pointer to struct timer_list | |
95 | * | |
96 | * Allows to determine the timer latency. | |
97 | */ | |
98 | LTTNG_TRACEPOINT_EVENT(timer_expire_entry, | |
99 | ||
100 | TP_PROTO(struct timer_list *timer, unsigned long baseclk), | |
101 | ||
102 | TP_ARGS(timer, baseclk), | |
103 | ||
104 | TP_FIELDS( | |
105 | ctf_integer_hex(void *, timer, timer) | |
106 | ctf_integer(unsigned long, now, jiffies) | |
107 | ctf_integer_hex(void *, function, timer->function) | |
108 | ctf_integer(unsigned long, baseclk, baseclk) | |
109 | ) | |
110 | ) | |
111 | #else | |
e54456f5 MD |
112 | /** |
113 | * timer_expire_entry - called immediately before the timer callback | |
114 | * @timer: pointer to struct timer_list | |
115 | * | |
116 | * Allows to determine the timer latency. | |
117 | */ | |
3bc29f0a | 118 | LTTNG_TRACEPOINT_EVENT(timer_expire_entry, |
e54456f5 MD |
119 | |
120 | TP_PROTO(struct timer_list *timer), | |
121 | ||
122 | TP_ARGS(timer), | |
123 | ||
f127e61e | 124 | TP_FIELDS( |
fa91fcac | 125 | ctf_integer_hex(void *, timer, timer) |
f127e61e | 126 | ctf_integer(unsigned long, now, jiffies) |
fa91fcac | 127 | ctf_integer_hex(void *, function, timer->function) |
f127e61e | 128 | ) |
e54456f5 | 129 | ) |
7456fae1 | 130 | #endif |
e54456f5 MD |
131 | |
132 | /** | |
133 | * timer_expire_exit - called immediately after the timer callback returns | |
134 | * @timer: pointer to struct timer_list | |
135 | * | |
136 | * When used in combination with the timer_expire_entry tracepoint we can | |
137 | * determine the runtime of the timer callback function. | |
138 | * | |
139 | * NOTE: Do NOT derefernce timer in TP_fast_assign. The pointer might | |
140 | * be invalid. We solely track the pointer. | |
141 | */ | |
3bc29f0a | 142 | LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_expire_exit, |
e54456f5 MD |
143 | |
144 | TP_PROTO(struct timer_list *timer), | |
145 | ||
146 | TP_ARGS(timer) | |
147 | ) | |
148 | ||
149 | /** | |
150 | * timer_cancel - called when the timer is canceled | |
151 | * @timer: pointer to struct timer_list | |
152 | */ | |
3bc29f0a | 153 | LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_cancel, |
e54456f5 MD |
154 | |
155 | TP_PROTO(struct timer_list *timer), | |
156 | ||
157 | TP_ARGS(timer) | |
158 | ) | |
159 | ||
160 | /** | |
161 | * hrtimer_init - called when the hrtimer is initialized | |
162 | * @timer: pointer to struct hrtimer | |
163 | * @clockid: the hrtimers clock | |
164 | * @mode: the hrtimers mode | |
165 | */ | |
9bbf98da MD |
166 | LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_init, |
167 | ||
168 | timer_hrtimer_init, | |
e54456f5 MD |
169 | |
170 | TP_PROTO(struct hrtimer *hrtimer, clockid_t clockid, | |
171 | enum hrtimer_mode mode), | |
172 | ||
173 | TP_ARGS(hrtimer, clockid, mode), | |
174 | ||
f127e61e | 175 | TP_FIELDS( |
fa91fcac | 176 | ctf_integer_hex(void *, hrtimer, hrtimer) |
f127e61e MD |
177 | ctf_integer(clockid_t, clockid, clockid) |
178 | ctf_integer(enum hrtimer_mode, mode, mode) | |
179 | ) | |
e54456f5 MD |
180 | ) |
181 | ||
182 | /** | |
183 | * hrtimer_start - called when the hrtimer is started | |
184 | * @timer: pointer to struct hrtimer | |
185 | */ | |
5a32ce54 RV |
186 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,16,0) || \ |
187 | LTTNG_RT_KERNEL_RANGE(4,14,0,0, 4,15,0,0)) | |
188 | LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_start, | |
189 | ||
190 | timer_hrtimer_start, | |
191 | ||
192 | TP_PROTO(struct hrtimer *hrtimer, enum hrtimer_mode mode), | |
193 | ||
194 | TP_ARGS(hrtimer, mode), | |
195 | ||
196 | TP_FIELDS( | |
197 | ctf_integer_hex(void *, hrtimer, hrtimer) | |
198 | ctf_integer_hex(void *, function, hrtimer->function) | |
199 | ctf_integer(s64, expires, | |
200 | lttng_ktime_get_tv64(hrtimer_get_expires(hrtimer))) | |
201 | ctf_integer(s64, softexpires, | |
202 | lttng_ktime_get_tv64(hrtimer_get_softexpires(hrtimer))) | |
203 | ctf_integer(enum hrtimer_mode, mode, mode) | |
204 | ) | |
205 | ) | |
206 | #else | |
9bbf98da MD |
207 | LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_start, |
208 | ||
209 | timer_hrtimer_start, | |
e54456f5 MD |
210 | |
211 | TP_PROTO(struct hrtimer *hrtimer), | |
212 | ||
213 | TP_ARGS(hrtimer), | |
214 | ||
f127e61e | 215 | TP_FIELDS( |
fa91fcac MD |
216 | ctf_integer_hex(void *, hrtimer, hrtimer) |
217 | ctf_integer_hex(void *, function, hrtimer->function) | |
507143bc MD |
218 | ctf_integer(s64, expires, |
219 | lttng_ktime_get_tv64(hrtimer_get_expires(hrtimer))) | |
220 | ctf_integer(s64, softexpires, | |
221 | lttng_ktime_get_tv64(hrtimer_get_softexpires(hrtimer))) | |
f127e61e | 222 | ) |
e54456f5 | 223 | ) |
5a32ce54 | 224 | #endif |
e54456f5 MD |
225 | |
226 | /** | |
227 | * htimmer_expire_entry - called immediately before the hrtimer callback | |
228 | * @timer: pointer to struct hrtimer | |
229 | * @now: pointer to variable which contains current time of the | |
230 | * timers base. | |
231 | * | |
232 | * Allows to determine the timer latency. | |
233 | */ | |
9bbf98da MD |
234 | LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_expire_entry, |
235 | ||
236 | timer_hrtimer_expire_entry, | |
e54456f5 MD |
237 | |
238 | TP_PROTO(struct hrtimer *hrtimer, ktime_t *now), | |
239 | ||
240 | TP_ARGS(hrtimer, now), | |
241 | ||
f127e61e | 242 | TP_FIELDS( |
fa91fcac | 243 | ctf_integer_hex(void *, hrtimer, hrtimer) |
507143bc | 244 | ctf_integer(s64, now, lttng_ktime_get_tv64(*now)) |
fa91fcac | 245 | ctf_integer_hex(void *, function, hrtimer->function) |
f127e61e | 246 | ) |
e54456f5 MD |
247 | ) |
248 | ||
9bbf98da | 249 | LTTNG_TRACEPOINT_EVENT_CLASS(timer_hrtimer_class, |
e54456f5 MD |
250 | |
251 | TP_PROTO(struct hrtimer *hrtimer), | |
252 | ||
253 | TP_ARGS(hrtimer), | |
254 | ||
f127e61e | 255 | TP_FIELDS( |
fa91fcac | 256 | ctf_integer_hex(void *, hrtimer, hrtimer) |
f127e61e | 257 | ) |
e54456f5 MD |
258 | ) |
259 | ||
260 | /** | |
261 | * hrtimer_expire_exit - called immediately after the hrtimer callback returns | |
262 | * @timer: pointer to struct hrtimer | |
263 | * | |
264 | * When used in combination with the hrtimer_expire_entry tracepoint we can | |
265 | * determine the runtime of the callback function. | |
266 | */ | |
9bbf98da MD |
267 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(timer_hrtimer_class, hrtimer_expire_exit, |
268 | ||
269 | timer_hrtimer_expire_exit, | |
e54456f5 MD |
270 | |
271 | TP_PROTO(struct hrtimer *hrtimer), | |
272 | ||
273 | TP_ARGS(hrtimer) | |
274 | ) | |
275 | ||
276 | /** | |
277 | * hrtimer_cancel - called when the hrtimer is canceled | |
278 | * @hrtimer: pointer to struct hrtimer | |
279 | */ | |
9bbf98da MD |
280 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(timer_hrtimer_class, hrtimer_cancel, |
281 | ||
282 | timer_hrtimer_cancel, | |
e54456f5 MD |
283 | |
284 | TP_PROTO(struct hrtimer *hrtimer), | |
285 | ||
286 | TP_ARGS(hrtimer) | |
287 | ) | |
288 | ||
289 | /** | |
290 | * itimer_state - called when itimer is started or canceled | |
291 | * @which: name of the interval timer | |
292 | * @value: the itimers value, itimer is canceled if value->it_value is | |
293 | * zero, otherwise it is started | |
294 | * @expires: the itimers expiry time | |
295 | */ | |
678dd1c8 FD |
296 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) |
297 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_state, | |
298 | ||
299 | timer_itimer_state, | |
300 | ||
301 | TP_PROTO(int which, const struct itimerval *const value, | |
302 | unsigned long long expires), | |
303 | ||
304 | TP_ARGS(which, value, expires), | |
305 | ||
306 | TP_FIELDS( | |
307 | ctf_integer(int, which, which) | |
308 | ctf_integer(unsigned long long, expires, expires) | |
309 | ctf_integer(long, value_sec, value->it_value.tv_sec) | |
310 | ctf_integer(long, value_usec, value->it_value.tv_usec) | |
311 | ctf_integer(long, interval_sec, value->it_interval.tv_sec) | |
312 | ctf_integer(long, interval_usec, value->it_interval.tv_usec) | |
313 | ) | |
314 | ) | |
315 | #else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ | |
9bbf98da MD |
316 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_state, |
317 | ||
318 | timer_itimer_state, | |
e54456f5 MD |
319 | |
320 | TP_PROTO(int which, const struct itimerval *const value, | |
321 | cputime_t expires), | |
322 | ||
323 | TP_ARGS(which, value, expires), | |
324 | ||
f127e61e MD |
325 | TP_FIELDS( |
326 | ctf_integer(int, which, which) | |
327 | ctf_integer(cputime_t, expires, expires) | |
328 | ctf_integer(long, value_sec, value->it_value.tv_sec) | |
329 | ctf_integer(long, value_usec, value->it_value.tv_usec) | |
330 | ctf_integer(long, interval_sec, value->it_interval.tv_sec) | |
331 | ctf_integer(long, interval_usec, value->it_interval.tv_usec) | |
332 | ) | |
e54456f5 | 333 | ) |
678dd1c8 | 334 | #endif /* #else (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ |
e54456f5 MD |
335 | |
336 | /** | |
337 | * itimer_expire - called when itimer expires | |
338 | * @which: type of the interval timer | |
339 | * @pid: pid of the process which owns the timer | |
340 | * @now: current time, used to calculate the latency of itimer | |
341 | */ | |
678dd1c8 FD |
342 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) |
343 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_expire, | |
344 | ||
345 | timer_itimer_expire, | |
346 | ||
347 | TP_PROTO(int which, struct pid *pid, unsigned long long now), | |
348 | ||
349 | TP_ARGS(which, pid, now), | |
350 | ||
351 | TP_FIELDS( | |
352 | ctf_integer(int , which, which) | |
353 | ctf_integer(pid_t, pid, pid_nr(pid)) | |
354 | ctf_integer(unsigned long long, now, now) | |
355 | ) | |
356 | ) | |
357 | #else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ | |
9bbf98da MD |
358 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_expire, |
359 | ||
360 | timer_itimer_expire, | |
e54456f5 MD |
361 | |
362 | TP_PROTO(int which, struct pid *pid, cputime_t now), | |
363 | ||
364 | TP_ARGS(which, pid, now), | |
365 | ||
f127e61e MD |
366 | TP_FIELDS( |
367 | ctf_integer(int , which, which) | |
368 | ctf_integer(pid_t, pid, pid_nr(pid)) | |
369 | ctf_integer(cputime_t, now, now) | |
370 | ) | |
e54456f5 | 371 | ) |
678dd1c8 | 372 | #endif /* #else (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ |
e54456f5 | 373 | |
3bc29f0a | 374 | #endif /* LTTNG_TRACE_TIMER_H */ |
e54456f5 MD |
375 | |
376 | /* This part must be outside protection */ | |
6ec43db8 | 377 | #include <probes/define_trace.h> |