Commit | Line | Data |
---|---|---|
2b022e3d XG |
1 | #undef TRACE_SYSTEM |
2 | #define TRACE_SYSTEM timer | |
3 | ||
4 | #if !defined(_TRACE_TIMER_H) || defined(TRACE_HEADER_MULTI_READ) | |
5 | #define _TRACE_TIMER_H | |
6 | ||
7 | #include <linux/tracepoint.h> | |
c6a2a177 | 8 | #include <linux/hrtimer.h> |
2b022e3d XG |
9 | #include <linux/timer.h> |
10 | ||
363d0f64 | 11 | DECLARE_EVENT_CLASS(timer_class, |
2b022e3d XG |
12 | |
13 | TP_PROTO(struct timer_list *timer), | |
14 | ||
15 | TP_ARGS(timer), | |
16 | ||
17 | TP_STRUCT__entry( | |
18 | __field( void *, timer ) | |
19 | ), | |
20 | ||
21 | TP_fast_assign( | |
22 | __entry->timer = timer; | |
23 | ), | |
24 | ||
434a83c3 | 25 | TP_printk("timer=%p", __entry->timer) |
2b022e3d XG |
26 | ); |
27 | ||
363d0f64 LZ |
28 | /** |
29 | * timer_init - called when the timer is initialized | |
30 | * @timer: pointer to struct timer_list | |
31 | */ | |
32 | DEFINE_EVENT(timer_class, timer_init, | |
33 | ||
34 | TP_PROTO(struct timer_list *timer), | |
35 | ||
36 | TP_ARGS(timer) | |
37 | ); | |
38 | ||
2b022e3d XG |
39 | /** |
40 | * timer_start - called when the timer is started | |
41 | * @timer: pointer to struct timer_list | |
42 | * @expires: the timers expiry time | |
43 | */ | |
44 | TRACE_EVENT(timer_start, | |
45 | ||
4e413e85 BJS |
46 | TP_PROTO(struct timer_list *timer, |
47 | unsigned long expires, | |
0eeda71b | 48 | unsigned int flags), |
2b022e3d | 49 | |
0eeda71b | 50 | TP_ARGS(timer, expires, flags), |
2b022e3d XG |
51 | |
52 | TP_STRUCT__entry( | |
53 | __field( void *, timer ) | |
54 | __field( void *, function ) | |
55 | __field( unsigned long, expires ) | |
56 | __field( unsigned long, now ) | |
0eeda71b | 57 | __field( unsigned int, flags ) |
2b022e3d XG |
58 | ), |
59 | ||
60 | TP_fast_assign( | |
61 | __entry->timer = timer; | |
62 | __entry->function = timer->function; | |
63 | __entry->expires = expires; | |
64 | __entry->now = jiffies; | |
0eeda71b | 65 | __entry->flags = flags; |
2b022e3d XG |
66 | ), |
67 | ||
0eeda71b | 68 | TP_printk("timer=%p function=%pf expires=%lu [timeout=%ld] flags=0x%08x", |
2b022e3d | 69 | __entry->timer, __entry->function, __entry->expires, |
0eeda71b | 70 | (long)__entry->expires - __entry->now, __entry->flags) |
2b022e3d XG |
71 | ); |
72 | ||
73 | /** | |
74 | * timer_expire_entry - called immediately before the timer callback | |
75 | * @timer: pointer to struct timer_list | |
76 | * | |
77 | * Allows to determine the timer latency. | |
78 | */ | |
79 | TRACE_EVENT(timer_expire_entry, | |
80 | ||
81 | TP_PROTO(struct timer_list *timer), | |
82 | ||
83 | TP_ARGS(timer), | |
84 | ||
85 | TP_STRUCT__entry( | |
86 | __field( void *, timer ) | |
87 | __field( unsigned long, now ) | |
ede1b429 | 88 | __field( void *, function) |
2b022e3d XG |
89 | ), |
90 | ||
91 | TP_fast_assign( | |
92 | __entry->timer = timer; | |
93 | __entry->now = jiffies; | |
ede1b429 | 94 | __entry->function = timer->function; |
2b022e3d XG |
95 | ), |
96 | ||
ede1b429 | 97 | TP_printk("timer=%p function=%pf now=%lu", __entry->timer, __entry->function,__entry->now) |
2b022e3d XG |
98 | ); |
99 | ||
100 | /** | |
101 | * timer_expire_exit - called immediately after the timer callback returns | |
102 | * @timer: pointer to struct timer_list | |
103 | * | |
104 | * When used in combination with the timer_expire_entry tracepoint we can | |
105 | * determine the runtime of the timer callback function. | |
106 | * | |
107 | * NOTE: Do NOT derefernce timer in TP_fast_assign. The pointer might | |
108 | * be invalid. We solely track the pointer. | |
109 | */ | |
363d0f64 | 110 | DEFINE_EVENT(timer_class, timer_expire_exit, |
2b022e3d XG |
111 | |
112 | TP_PROTO(struct timer_list *timer), | |
113 | ||
363d0f64 | 114 | TP_ARGS(timer) |
2b022e3d XG |
115 | ); |
116 | ||
117 | /** | |
118 | * timer_cancel - called when the timer is canceled | |
119 | * @timer: pointer to struct timer_list | |
120 | */ | |
363d0f64 | 121 | DEFINE_EVENT(timer_class, timer_cancel, |
2b022e3d XG |
122 | |
123 | TP_PROTO(struct timer_list *timer), | |
124 | ||
363d0f64 | 125 | TP_ARGS(timer) |
2b022e3d XG |
126 | ); |
127 | ||
c6a2a177 XG |
128 | /** |
129 | * hrtimer_init - called when the hrtimer is initialized | |
cf2fbdd2 | 130 | * @hrtimer: pointer to struct hrtimer |
c6a2a177 XG |
131 | * @clockid: the hrtimers clock |
132 | * @mode: the hrtimers mode | |
133 | */ | |
134 | TRACE_EVENT(hrtimer_init, | |
135 | ||
434a83c3 | 136 | TP_PROTO(struct hrtimer *hrtimer, clockid_t clockid, |
c6a2a177 XG |
137 | enum hrtimer_mode mode), |
138 | ||
434a83c3 | 139 | TP_ARGS(hrtimer, clockid, mode), |
c6a2a177 XG |
140 | |
141 | TP_STRUCT__entry( | |
434a83c3 | 142 | __field( void *, hrtimer ) |
c6a2a177 XG |
143 | __field( clockid_t, clockid ) |
144 | __field( enum hrtimer_mode, mode ) | |
145 | ), | |
146 | ||
147 | TP_fast_assign( | |
434a83c3 | 148 | __entry->hrtimer = hrtimer; |
c6a2a177 XG |
149 | __entry->clockid = clockid; |
150 | __entry->mode = mode; | |
151 | ), | |
152 | ||
434a83c3 | 153 | TP_printk("hrtimer=%p clockid=%s mode=%s", __entry->hrtimer, |
c6a2a177 XG |
154 | __entry->clockid == CLOCK_REALTIME ? |
155 | "CLOCK_REALTIME" : "CLOCK_MONOTONIC", | |
156 | __entry->mode == HRTIMER_MODE_ABS ? | |
157 | "HRTIMER_MODE_ABS" : "HRTIMER_MODE_REL") | |
158 | ); | |
159 | ||
160 | /** | |
161 | * hrtimer_start - called when the hrtimer is started | |
cf2fbdd2 | 162 | * @hrtimer: pointer to struct hrtimer |
c6a2a177 XG |
163 | */ |
164 | TRACE_EVENT(hrtimer_start, | |
165 | ||
434a83c3 | 166 | TP_PROTO(struct hrtimer *hrtimer), |
c6a2a177 | 167 | |
434a83c3 | 168 | TP_ARGS(hrtimer), |
c6a2a177 XG |
169 | |
170 | TP_STRUCT__entry( | |
434a83c3 | 171 | __field( void *, hrtimer ) |
c6a2a177 XG |
172 | __field( void *, function ) |
173 | __field( s64, expires ) | |
174 | __field( s64, softexpires ) | |
175 | ), | |
176 | ||
177 | TP_fast_assign( | |
434a83c3 IM |
178 | __entry->hrtimer = hrtimer; |
179 | __entry->function = hrtimer->function; | |
180 | __entry->expires = hrtimer_get_expires(hrtimer).tv64; | |
181 | __entry->softexpires = hrtimer_get_softexpires(hrtimer).tv64; | |
c6a2a177 XG |
182 | ), |
183 | ||
434a83c3 IM |
184 | TP_printk("hrtimer=%p function=%pf expires=%llu softexpires=%llu", |
185 | __entry->hrtimer, __entry->function, | |
c6a2a177 XG |
186 | (unsigned long long)ktime_to_ns((ktime_t) { |
187 | .tv64 = __entry->expires }), | |
188 | (unsigned long long)ktime_to_ns((ktime_t) { | |
189 | .tv64 = __entry->softexpires })) | |
190 | ); | |
191 | ||
192 | /** | |
cf2fbdd2 MI |
193 | * hrtimer_expire_entry - called immediately before the hrtimer callback |
194 | * @hrtimer: pointer to struct hrtimer | |
c6a2a177 XG |
195 | * @now: pointer to variable which contains current time of the |
196 | * timers base. | |
197 | * | |
198 | * Allows to determine the timer latency. | |
199 | */ | |
200 | TRACE_EVENT(hrtimer_expire_entry, | |
201 | ||
434a83c3 | 202 | TP_PROTO(struct hrtimer *hrtimer, ktime_t *now), |
c6a2a177 | 203 | |
434a83c3 | 204 | TP_ARGS(hrtimer, now), |
c6a2a177 XG |
205 | |
206 | TP_STRUCT__entry( | |
434a83c3 | 207 | __field( void *, hrtimer ) |
c6a2a177 | 208 | __field( s64, now ) |
ede1b429 | 209 | __field( void *, function) |
c6a2a177 XG |
210 | ), |
211 | ||
212 | TP_fast_assign( | |
434a83c3 IM |
213 | __entry->hrtimer = hrtimer; |
214 | __entry->now = now->tv64; | |
ede1b429 | 215 | __entry->function = hrtimer->function; |
c6a2a177 XG |
216 | ), |
217 | ||
ede1b429 | 218 | TP_printk("hrtimer=%p function=%pf now=%llu", __entry->hrtimer, __entry->function, |
434a83c3 | 219 | (unsigned long long)ktime_to_ns((ktime_t) { .tv64 = __entry->now })) |
c6a2a177 XG |
220 | ); |
221 | ||
363d0f64 | 222 | DECLARE_EVENT_CLASS(hrtimer_class, |
c6a2a177 | 223 | |
434a83c3 | 224 | TP_PROTO(struct hrtimer *hrtimer), |
c6a2a177 | 225 | |
434a83c3 | 226 | TP_ARGS(hrtimer), |
c6a2a177 XG |
227 | |
228 | TP_STRUCT__entry( | |
434a83c3 | 229 | __field( void *, hrtimer ) |
c6a2a177 XG |
230 | ), |
231 | ||
232 | TP_fast_assign( | |
434a83c3 | 233 | __entry->hrtimer = hrtimer; |
c6a2a177 XG |
234 | ), |
235 | ||
434a83c3 | 236 | TP_printk("hrtimer=%p", __entry->hrtimer) |
c6a2a177 XG |
237 | ); |
238 | ||
239 | /** | |
363d0f64 | 240 | * hrtimer_expire_exit - called immediately after the hrtimer callback returns |
cf2fbdd2 | 241 | * @hrtimer: pointer to struct hrtimer |
363d0f64 LZ |
242 | * |
243 | * When used in combination with the hrtimer_expire_entry tracepoint we can | |
244 | * determine the runtime of the callback function. | |
c6a2a177 | 245 | */ |
363d0f64 | 246 | DEFINE_EVENT(hrtimer_class, hrtimer_expire_exit, |
c6a2a177 | 247 | |
434a83c3 | 248 | TP_PROTO(struct hrtimer *hrtimer), |
c6a2a177 | 249 | |
363d0f64 LZ |
250 | TP_ARGS(hrtimer) |
251 | ); | |
c6a2a177 | 252 | |
363d0f64 LZ |
253 | /** |
254 | * hrtimer_cancel - called when the hrtimer is canceled | |
255 | * @hrtimer: pointer to struct hrtimer | |
256 | */ | |
257 | DEFINE_EVENT(hrtimer_class, hrtimer_cancel, | |
c6a2a177 | 258 | |
363d0f64 | 259 | TP_PROTO(struct hrtimer *hrtimer), |
c6a2a177 | 260 | |
363d0f64 | 261 | TP_ARGS(hrtimer) |
c6a2a177 XG |
262 | ); |
263 | ||
3f0a525e XG |
264 | /** |
265 | * itimer_state - called when itimer is started or canceled | |
266 | * @which: name of the interval timer | |
267 | * @value: the itimers value, itimer is canceled if value->it_value is | |
268 | * zero, otherwise it is started | |
269 | * @expires: the itimers expiry time | |
270 | */ | |
271 | TRACE_EVENT(itimer_state, | |
272 | ||
273 | TP_PROTO(int which, const struct itimerval *const value, | |
274 | cputime_t expires), | |
275 | ||
276 | TP_ARGS(which, value, expires), | |
277 | ||
278 | TP_STRUCT__entry( | |
279 | __field( int, which ) | |
280 | __field( cputime_t, expires ) | |
281 | __field( long, value_sec ) | |
282 | __field( long, value_usec ) | |
283 | __field( long, interval_sec ) | |
284 | __field( long, interval_usec ) | |
285 | ), | |
286 | ||
287 | TP_fast_assign( | |
288 | __entry->which = which; | |
289 | __entry->expires = expires; | |
290 | __entry->value_sec = value->it_value.tv_sec; | |
291 | __entry->value_usec = value->it_value.tv_usec; | |
292 | __entry->interval_sec = value->it_interval.tv_sec; | |
293 | __entry->interval_usec = value->it_interval.tv_usec; | |
294 | ), | |
295 | ||
e9c0748b TG |
296 | TP_printk("which=%d expires=%llu it_value=%ld.%ld it_interval=%ld.%ld", |
297 | __entry->which, (unsigned long long)__entry->expires, | |
3f0a525e XG |
298 | __entry->value_sec, __entry->value_usec, |
299 | __entry->interval_sec, __entry->interval_usec) | |
300 | ); | |
301 | ||
302 | /** | |
303 | * itimer_expire - called when itimer expires | |
304 | * @which: type of the interval timer | |
305 | * @pid: pid of the process which owns the timer | |
306 | * @now: current time, used to calculate the latency of itimer | |
307 | */ | |
308 | TRACE_EVENT(itimer_expire, | |
309 | ||
310 | TP_PROTO(int which, struct pid *pid, cputime_t now), | |
311 | ||
312 | TP_ARGS(which, pid, now), | |
313 | ||
314 | TP_STRUCT__entry( | |
315 | __field( int , which ) | |
316 | __field( pid_t, pid ) | |
317 | __field( cputime_t, now ) | |
318 | ), | |
319 | ||
320 | TP_fast_assign( | |
321 | __entry->which = which; | |
322 | __entry->now = now; | |
323 | __entry->pid = pid_nr(pid); | |
324 | ), | |
325 | ||
e9c0748b TG |
326 | TP_printk("which=%d pid=%d now=%llu", __entry->which, |
327 | (int) __entry->pid, (unsigned long long)__entry->now) | |
3f0a525e XG |
328 | ); |
329 | ||
2c82d1be | 330 | #ifdef CONFIG_NO_HZ_COMMON |
cb41a290 FW |
331 | TRACE_EVENT(tick_stop, |
332 | ||
333 | TP_PROTO(int success, char *error_msg), | |
334 | ||
335 | TP_ARGS(success, error_msg), | |
336 | ||
337 | TP_STRUCT__entry( | |
338 | __field( int , success ) | |
339 | __string( msg, error_msg ) | |
340 | ), | |
341 | ||
342 | TP_fast_assign( | |
343 | __entry->success = success; | |
344 | __assign_str(msg, error_msg); | |
345 | ), | |
346 | ||
347 | TP_printk("success=%s msg=%s", __entry->success ? "yes" : "no", __get_str(msg)) | |
348 | ); | |
349 | #endif | |
350 | ||
2b022e3d XG |
351 | #endif /* _TRACE_TIMER_H */ |
352 | ||
353 | /* This part must be outside protection */ | |
354 | #include <trace/define_trace.h> |