Commit | Line | Data |
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9f36eaed | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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 | |
6ec43db8 | 8 | #include <probes/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> | |
32328e6c | 14 | #include <linux/version.h> |
3a523f5b MD |
15 | |
16 | struct timer_list; | |
17 | ||
e54456f5 MD |
18 | #endif /* _TRACE_TIMER_DEF_ */ |
19 | ||
507143bc MD |
20 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) |
21 | #define lttng_ktime_get_tv64(kt) (kt) | |
22 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) */ | |
23 | #define lttng_ktime_get_tv64(kt) ((kt).tv64) | |
24 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) */ | |
25 | ||
3bc29f0a | 26 | LTTNG_TRACEPOINT_EVENT_CLASS(timer_class, |
e54456f5 MD |
27 | |
28 | TP_PROTO(struct timer_list *timer), | |
29 | ||
30 | TP_ARGS(timer), | |
31 | ||
f127e61e | 32 | TP_FIELDS( |
fa91fcac | 33 | ctf_integer_hex(void *, timer, timer) |
f127e61e | 34 | ) |
e54456f5 MD |
35 | ) |
36 | ||
37 | /** | |
38 | * timer_init - called when the timer is initialized | |
39 | * @timer: pointer to struct timer_list | |
40 | */ | |
3bc29f0a | 41 | LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_init, |
e54456f5 MD |
42 | |
43 | TP_PROTO(struct timer_list *timer), | |
44 | ||
45 | TP_ARGS(timer) | |
46 | ) | |
47 | ||
a2e303cc MJ |
48 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0) || \ |
49 | LTTNG_RHEL_KERNEL_RANGE(3,10,0,957,0,0, 3,11,0,0,0,0)) | |
32328e6c MD |
50 | /** |
51 | * timer_start - called when the timer is started | |
52 | * @timer: pointer to struct timer_list | |
53 | * @expires: the timers expiry time | |
54 | * @flags: the timers expiry time | |
55 | */ | |
56 | LTTNG_TRACEPOINT_EVENT(timer_start, | |
57 | ||
58 | TP_PROTO(struct timer_list *timer, unsigned long expires, | |
59 | unsigned int flags), | |
60 | ||
61 | TP_ARGS(timer, expires, flags), | |
62 | ||
63 | TP_FIELDS( | |
fa91fcac MD |
64 | ctf_integer_hex(void *, timer, timer) |
65 | ctf_integer_hex(void *, function, timer->function) | |
32328e6c MD |
66 | ctf_integer(unsigned long, expires, expires) |
67 | ctf_integer(unsigned long, now, jiffies) | |
68 | ctf_integer(unsigned int, flags, flags) | |
69 | ) | |
70 | ) | |
71 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */ | |
e54456f5 MD |
72 | /** |
73 | * timer_start - called when the timer is started | |
74 | * @timer: pointer to struct timer_list | |
75 | * @expires: the timers expiry time | |
76 | */ | |
3bc29f0a | 77 | LTTNG_TRACEPOINT_EVENT(timer_start, |
e54456f5 MD |
78 | |
79 | TP_PROTO(struct timer_list *timer, unsigned long expires), | |
80 | ||
81 | TP_ARGS(timer, expires), | |
82 | ||
f127e61e | 83 | TP_FIELDS( |
fa91fcac MD |
84 | ctf_integer_hex(void *, timer, timer) |
85 | ctf_integer_hex(void *, function, timer->function) | |
f127e61e MD |
86 | ctf_integer(unsigned long, expires, expires) |
87 | ctf_integer(unsigned long, now, jiffies) | |
88 | ) | |
e54456f5 | 89 | ) |
32328e6c | 90 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */ |
e54456f5 MD |
91 | |
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 | */ | |
3bc29f0a | 98 | LTTNG_TRACEPOINT_EVENT(timer_expire_entry, |
e54456f5 MD |
99 | |
100 | TP_PROTO(struct timer_list *timer), | |
101 | ||
102 | TP_ARGS(timer), | |
103 | ||
f127e61e | 104 | TP_FIELDS( |
fa91fcac | 105 | ctf_integer_hex(void *, timer, timer) |
f127e61e | 106 | ctf_integer(unsigned long, now, jiffies) |
fa91fcac | 107 | ctf_integer_hex(void *, function, timer->function) |
f127e61e | 108 | ) |
e54456f5 MD |
109 | ) |
110 | ||
111 | /** | |
112 | * timer_expire_exit - called immediately after the timer callback returns | |
113 | * @timer: pointer to struct timer_list | |
114 | * | |
115 | * When used in combination with the timer_expire_entry tracepoint we can | |
116 | * determine the runtime of the timer callback function. | |
117 | * | |
118 | * NOTE: Do NOT derefernce timer in TP_fast_assign. The pointer might | |
119 | * be invalid. We solely track the pointer. | |
120 | */ | |
3bc29f0a | 121 | LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_expire_exit, |
e54456f5 MD |
122 | |
123 | TP_PROTO(struct timer_list *timer), | |
124 | ||
125 | TP_ARGS(timer) | |
126 | ) | |
127 | ||
128 | /** | |
129 | * timer_cancel - called when the timer is canceled | |
130 | * @timer: pointer to struct timer_list | |
131 | */ | |
3bc29f0a | 132 | LTTNG_TRACEPOINT_EVENT_INSTANCE(timer_class, timer_cancel, |
e54456f5 MD |
133 | |
134 | TP_PROTO(struct timer_list *timer), | |
135 | ||
136 | TP_ARGS(timer) | |
137 | ) | |
138 | ||
139 | /** | |
140 | * hrtimer_init - called when the hrtimer is initialized | |
141 | * @timer: pointer to struct hrtimer | |
142 | * @clockid: the hrtimers clock | |
143 | * @mode: the hrtimers mode | |
144 | */ | |
9bbf98da MD |
145 | LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_init, |
146 | ||
147 | timer_hrtimer_init, | |
e54456f5 MD |
148 | |
149 | TP_PROTO(struct hrtimer *hrtimer, clockid_t clockid, | |
150 | enum hrtimer_mode mode), | |
151 | ||
152 | TP_ARGS(hrtimer, clockid, mode), | |
153 | ||
f127e61e | 154 | TP_FIELDS( |
fa91fcac | 155 | ctf_integer_hex(void *, hrtimer, hrtimer) |
f127e61e MD |
156 | ctf_integer(clockid_t, clockid, clockid) |
157 | ctf_integer(enum hrtimer_mode, mode, mode) | |
158 | ) | |
e54456f5 MD |
159 | ) |
160 | ||
161 | /** | |
162 | * hrtimer_start - called when the hrtimer is started | |
163 | * @timer: pointer to struct hrtimer | |
164 | */ | |
562860aa RV |
165 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,16,0) || \ |
166 | LTTNG_RT_KERNEL_RANGE(4,14,0,0, 4,15,0,0)) | |
167 | LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_start, | |
168 | ||
169 | timer_hrtimer_start, | |
170 | ||
171 | TP_PROTO(struct hrtimer *hrtimer, enum hrtimer_mode mode), | |
172 | ||
173 | TP_ARGS(hrtimer, mode), | |
174 | ||
175 | TP_FIELDS( | |
176 | ctf_integer_hex(void *, hrtimer, hrtimer) | |
177 | ctf_integer_hex(void *, function, hrtimer->function) | |
178 | ctf_integer(s64, expires, | |
179 | lttng_ktime_get_tv64(hrtimer_get_expires(hrtimer))) | |
180 | ctf_integer(s64, softexpires, | |
181 | lttng_ktime_get_tv64(hrtimer_get_softexpires(hrtimer))) | |
182 | ctf_integer(enum hrtimer_mode, mode, mode) | |
183 | ) | |
184 | ) | |
185 | #else | |
9bbf98da MD |
186 | LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_start, |
187 | ||
188 | timer_hrtimer_start, | |
e54456f5 MD |
189 | |
190 | TP_PROTO(struct hrtimer *hrtimer), | |
191 | ||
192 | TP_ARGS(hrtimer), | |
193 | ||
f127e61e | 194 | TP_FIELDS( |
fa91fcac MD |
195 | ctf_integer_hex(void *, hrtimer, hrtimer) |
196 | ctf_integer_hex(void *, function, hrtimer->function) | |
507143bc MD |
197 | ctf_integer(s64, expires, |
198 | lttng_ktime_get_tv64(hrtimer_get_expires(hrtimer))) | |
199 | ctf_integer(s64, softexpires, | |
200 | lttng_ktime_get_tv64(hrtimer_get_softexpires(hrtimer))) | |
f127e61e | 201 | ) |
e54456f5 | 202 | ) |
562860aa | 203 | #endif |
e54456f5 MD |
204 | |
205 | /** | |
206 | * htimmer_expire_entry - called immediately before the hrtimer callback | |
207 | * @timer: pointer to struct hrtimer | |
208 | * @now: pointer to variable which contains current time of the | |
209 | * timers base. | |
210 | * | |
211 | * Allows to determine the timer latency. | |
212 | */ | |
9bbf98da MD |
213 | LTTNG_TRACEPOINT_EVENT_MAP(hrtimer_expire_entry, |
214 | ||
215 | timer_hrtimer_expire_entry, | |
e54456f5 MD |
216 | |
217 | TP_PROTO(struct hrtimer *hrtimer, ktime_t *now), | |
218 | ||
219 | TP_ARGS(hrtimer, now), | |
220 | ||
f127e61e | 221 | TP_FIELDS( |
fa91fcac | 222 | ctf_integer_hex(void *, hrtimer, hrtimer) |
507143bc | 223 | ctf_integer(s64, now, lttng_ktime_get_tv64(*now)) |
fa91fcac | 224 | ctf_integer_hex(void *, function, hrtimer->function) |
f127e61e | 225 | ) |
e54456f5 MD |
226 | ) |
227 | ||
9bbf98da | 228 | LTTNG_TRACEPOINT_EVENT_CLASS(timer_hrtimer_class, |
e54456f5 MD |
229 | |
230 | TP_PROTO(struct hrtimer *hrtimer), | |
231 | ||
232 | TP_ARGS(hrtimer), | |
233 | ||
f127e61e | 234 | TP_FIELDS( |
fa91fcac | 235 | ctf_integer_hex(void *, hrtimer, hrtimer) |
f127e61e | 236 | ) |
e54456f5 MD |
237 | ) |
238 | ||
239 | /** | |
240 | * hrtimer_expire_exit - called immediately after the hrtimer callback returns | |
241 | * @timer: pointer to struct hrtimer | |
242 | * | |
243 | * When used in combination with the hrtimer_expire_entry tracepoint we can | |
244 | * determine the runtime of the callback function. | |
245 | */ | |
9bbf98da MD |
246 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(timer_hrtimer_class, hrtimer_expire_exit, |
247 | ||
248 | timer_hrtimer_expire_exit, | |
e54456f5 MD |
249 | |
250 | TP_PROTO(struct hrtimer *hrtimer), | |
251 | ||
252 | TP_ARGS(hrtimer) | |
253 | ) | |
254 | ||
255 | /** | |
256 | * hrtimer_cancel - called when the hrtimer is canceled | |
257 | * @hrtimer: pointer to struct hrtimer | |
258 | */ | |
9bbf98da MD |
259 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(timer_hrtimer_class, hrtimer_cancel, |
260 | ||
261 | timer_hrtimer_cancel, | |
e54456f5 MD |
262 | |
263 | TP_PROTO(struct hrtimer *hrtimer), | |
264 | ||
265 | TP_ARGS(hrtimer) | |
266 | ) | |
267 | ||
268 | /** | |
269 | * itimer_state - called when itimer is started or canceled | |
270 | * @which: name of the interval timer | |
271 | * @value: the itimers value, itimer is canceled if value->it_value is | |
272 | * zero, otherwise it is started | |
273 | * @expires: the itimers expiry time | |
274 | */ | |
678dd1c8 FD |
275 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) |
276 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_state, | |
277 | ||
278 | timer_itimer_state, | |
279 | ||
280 | TP_PROTO(int which, const struct itimerval *const value, | |
281 | unsigned long long expires), | |
282 | ||
283 | TP_ARGS(which, value, expires), | |
284 | ||
285 | TP_FIELDS( | |
286 | ctf_integer(int, which, which) | |
287 | ctf_integer(unsigned long long, expires, expires) | |
288 | ctf_integer(long, value_sec, value->it_value.tv_sec) | |
289 | ctf_integer(long, value_usec, value->it_value.tv_usec) | |
290 | ctf_integer(long, interval_sec, value->it_interval.tv_sec) | |
291 | ctf_integer(long, interval_usec, value->it_interval.tv_usec) | |
292 | ) | |
293 | ) | |
294 | #else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ | |
9bbf98da MD |
295 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_state, |
296 | ||
297 | timer_itimer_state, | |
e54456f5 MD |
298 | |
299 | TP_PROTO(int which, const struct itimerval *const value, | |
300 | cputime_t expires), | |
301 | ||
302 | TP_ARGS(which, value, expires), | |
303 | ||
f127e61e MD |
304 | TP_FIELDS( |
305 | ctf_integer(int, which, which) | |
306 | ctf_integer(cputime_t, expires, expires) | |
307 | ctf_integer(long, value_sec, value->it_value.tv_sec) | |
308 | ctf_integer(long, value_usec, value->it_value.tv_usec) | |
309 | ctf_integer(long, interval_sec, value->it_interval.tv_sec) | |
310 | ctf_integer(long, interval_usec, value->it_interval.tv_usec) | |
311 | ) | |
e54456f5 | 312 | ) |
678dd1c8 | 313 | #endif /* #else (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ |
e54456f5 MD |
314 | |
315 | /** | |
316 | * itimer_expire - called when itimer expires | |
317 | * @which: type of the interval timer | |
318 | * @pid: pid of the process which owns the timer | |
319 | * @now: current time, used to calculate the latency of itimer | |
320 | */ | |
678dd1c8 FD |
321 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) |
322 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_expire, | |
323 | ||
324 | timer_itimer_expire, | |
325 | ||
326 | TP_PROTO(int which, struct pid *pid, unsigned long long now), | |
327 | ||
328 | TP_ARGS(which, pid, now), | |
329 | ||
330 | TP_FIELDS( | |
331 | ctf_integer(int , which, which) | |
332 | ctf_integer(pid_t, pid, pid_nr(pid)) | |
333 | ctf_integer(unsigned long long, now, now) | |
334 | ) | |
335 | ) | |
336 | #else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ | |
9bbf98da MD |
337 | LTTNG_TRACEPOINT_EVENT_MAP(itimer_expire, |
338 | ||
339 | timer_itimer_expire, | |
e54456f5 MD |
340 | |
341 | TP_PROTO(int which, struct pid *pid, cputime_t now), | |
342 | ||
343 | TP_ARGS(which, pid, now), | |
344 | ||
f127e61e MD |
345 | TP_FIELDS( |
346 | ctf_integer(int , which, which) | |
347 | ctf_integer(pid_t, pid, pid_nr(pid)) | |
348 | ctf_integer(cputime_t, now, now) | |
349 | ) | |
e54456f5 | 350 | ) |
678dd1c8 | 351 | #endif /* #else (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ |
e54456f5 | 352 | |
3bc29f0a | 353 | #endif /* LTTNG_TRACE_TIMER_H */ |
e54456f5 MD |
354 | |
355 | /* This part must be outside protection */ | |
6ec43db8 | 356 | #include <probes/define_trace.h> |