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