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Commit | Line | Data |
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ea20d929 | 1 | #if !defined(_TRACE_SCHED_H) || defined(TRACE_HEADER_MULTI_READ) |
0a16b607 MD |
2 | #define _TRACE_SCHED_H |
3 | ||
4 | #include <linux/sched.h> | |
5 | #include <linux/tracepoint.h> | |
6 | ||
ea20d929 SR |
7 | #undef TRACE_SYSTEM |
8 | #define TRACE_SYSTEM sched | |
0a16b607 | 9 | |
ea20d929 SR |
10 | /* |
11 | * Tracepoint for calling kthread_stop, performed to end a kthread: | |
12 | */ | |
13 | TRACE_EVENT(sched_kthread_stop, | |
14 | ||
15 | TP_PROTO(struct task_struct *t), | |
16 | ||
17 | TP_ARGS(t), | |
18 | ||
19 | TP_STRUCT__entry( | |
20 | __array( char, comm, TASK_COMM_LEN ) | |
21 | __field( pid_t, pid ) | |
22 | ), | |
23 | ||
24 | TP_fast_assign( | |
25 | memcpy(__entry->comm, t->comm, TASK_COMM_LEN); | |
26 | __entry->pid = t->pid; | |
27 | ), | |
28 | ||
29 | TP_printk("task %s:%d", __entry->comm, __entry->pid) | |
30 | ); | |
31 | ||
32 | /* | |
33 | * Tracepoint for the return value of the kthread stopping: | |
34 | */ | |
35 | TRACE_EVENT(sched_kthread_stop_ret, | |
36 | ||
37 | TP_PROTO(int ret), | |
38 | ||
39 | TP_ARGS(ret), | |
40 | ||
41 | TP_STRUCT__entry( | |
42 | __field( int, ret ) | |
43 | ), | |
44 | ||
45 | TP_fast_assign( | |
46 | __entry->ret = ret; | |
47 | ), | |
48 | ||
49 | TP_printk("ret %d", __entry->ret) | |
50 | ); | |
51 | ||
52 | /* | |
53 | * Tracepoint for waiting on task to unschedule: | |
54 | * | |
55 | * (NOTE: the 'rq' argument is not used by generic trace events, | |
56 | * but used by the latency tracer plugin. ) | |
57 | */ | |
58 | TRACE_EVENT(sched_wait_task, | |
59 | ||
60 | TP_PROTO(struct rq *rq, struct task_struct *p), | |
61 | ||
62 | TP_ARGS(rq, p), | |
63 | ||
64 | TP_STRUCT__entry( | |
65 | __array( char, comm, TASK_COMM_LEN ) | |
66 | __field( pid_t, pid ) | |
67 | __field( int, prio ) | |
68 | ), | |
69 | ||
70 | TP_fast_assign( | |
71 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); | |
72 | __entry->pid = p->pid; | |
73 | __entry->prio = p->prio; | |
74 | ), | |
75 | ||
76 | TP_printk("task %s:%d [%d]", | |
77 | __entry->comm, __entry->pid, __entry->prio) | |
78 | ); | |
79 | ||
80 | /* | |
81 | * Tracepoint for waking up a task: | |
82 | * | |
83 | * (NOTE: the 'rq' argument is not used by generic trace events, | |
84 | * but used by the latency tracer plugin. ) | |
85 | */ | |
86 | TRACE_EVENT(sched_wakeup, | |
87 | ||
88 | TP_PROTO(struct rq *rq, struct task_struct *p, int success), | |
89 | ||
90 | TP_ARGS(rq, p, success), | |
91 | ||
92 | TP_STRUCT__entry( | |
93 | __array( char, comm, TASK_COMM_LEN ) | |
94 | __field( pid_t, pid ) | |
95 | __field( int, prio ) | |
96 | __field( int, success ) | |
97 | ), | |
98 | ||
99 | TP_fast_assign( | |
100 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); | |
101 | __entry->pid = p->pid; | |
102 | __entry->prio = p->prio; | |
103 | __entry->success = success; | |
104 | ), | |
105 | ||
106 | TP_printk("task %s:%d [%d] success=%d", | |
107 | __entry->comm, __entry->pid, __entry->prio, | |
108 | __entry->success) | |
109 | ); | |
110 | ||
111 | /* | |
112 | * Tracepoint for waking up a new task: | |
113 | * | |
114 | * (NOTE: the 'rq' argument is not used by generic trace events, | |
115 | * but used by the latency tracer plugin. ) | |
116 | */ | |
117 | TRACE_EVENT(sched_wakeup_new, | |
118 | ||
119 | TP_PROTO(struct rq *rq, struct task_struct *p, int success), | |
120 | ||
121 | TP_ARGS(rq, p, success), | |
122 | ||
123 | TP_STRUCT__entry( | |
124 | __array( char, comm, TASK_COMM_LEN ) | |
125 | __field( pid_t, pid ) | |
126 | __field( int, prio ) | |
127 | __field( int, success ) | |
128 | ), | |
129 | ||
130 | TP_fast_assign( | |
131 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); | |
132 | __entry->pid = p->pid; | |
133 | __entry->prio = p->prio; | |
134 | __entry->success = success; | |
135 | ), | |
136 | ||
137 | TP_printk("task %s:%d [%d] success=%d", | |
138 | __entry->comm, __entry->pid, __entry->prio, | |
139 | __entry->success) | |
140 | ); | |
141 | ||
142 | /* | |
143 | * Tracepoint for task switches, performed by the scheduler: | |
144 | * | |
145 | * (NOTE: the 'rq' argument is not used by generic trace events, | |
146 | * but used by the latency tracer plugin. ) | |
147 | */ | |
148 | TRACE_EVENT(sched_switch, | |
149 | ||
150 | TP_PROTO(struct rq *rq, struct task_struct *prev, | |
151 | struct task_struct *next), | |
152 | ||
153 | TP_ARGS(rq, prev, next), | |
154 | ||
155 | TP_STRUCT__entry( | |
156 | __array( char, prev_comm, TASK_COMM_LEN ) | |
157 | __field( pid_t, prev_pid ) | |
158 | __field( int, prev_prio ) | |
159 | __array( char, next_comm, TASK_COMM_LEN ) | |
160 | __field( pid_t, next_pid ) | |
161 | __field( int, next_prio ) | |
162 | ), | |
163 | ||
164 | TP_fast_assign( | |
165 | memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN); | |
166 | __entry->prev_pid = prev->pid; | |
167 | __entry->prev_prio = prev->prio; | |
168 | memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN); | |
169 | __entry->next_pid = next->pid; | |
170 | __entry->next_prio = next->prio; | |
171 | ), | |
172 | ||
173 | TP_printk("task %s:%d [%d] ==> %s:%d [%d]", | |
174 | __entry->prev_comm, __entry->prev_pid, __entry->prev_prio, | |
175 | __entry->next_comm, __entry->next_pid, __entry->next_prio) | |
176 | ); | |
177 | ||
178 | /* | |
179 | * Tracepoint for a task being migrated: | |
180 | */ | |
181 | TRACE_EVENT(sched_migrate_task, | |
182 | ||
183 | TP_PROTO(struct task_struct *p, int orig_cpu, int dest_cpu), | |
184 | ||
185 | TP_ARGS(p, orig_cpu, dest_cpu), | |
186 | ||
187 | TP_STRUCT__entry( | |
188 | __array( char, comm, TASK_COMM_LEN ) | |
189 | __field( pid_t, pid ) | |
190 | __field( int, prio ) | |
191 | __field( int, orig_cpu ) | |
192 | __field( int, dest_cpu ) | |
193 | ), | |
194 | ||
195 | TP_fast_assign( | |
196 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); | |
197 | __entry->pid = p->pid; | |
198 | __entry->prio = p->prio; | |
199 | __entry->orig_cpu = orig_cpu; | |
200 | __entry->dest_cpu = dest_cpu; | |
201 | ), | |
202 | ||
203 | TP_printk("task %s:%d [%d] from: %d to: %d", | |
204 | __entry->comm, __entry->pid, __entry->prio, | |
205 | __entry->orig_cpu, __entry->dest_cpu) | |
206 | ); | |
207 | ||
208 | /* | |
209 | * Tracepoint for freeing a task: | |
210 | */ | |
211 | TRACE_EVENT(sched_process_free, | |
212 | ||
213 | TP_PROTO(struct task_struct *p), | |
214 | ||
215 | TP_ARGS(p), | |
216 | ||
217 | TP_STRUCT__entry( | |
218 | __array( char, comm, TASK_COMM_LEN ) | |
219 | __field( pid_t, pid ) | |
220 | __field( int, prio ) | |
221 | ), | |
222 | ||
223 | TP_fast_assign( | |
224 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); | |
225 | __entry->pid = p->pid; | |
226 | __entry->prio = p->prio; | |
227 | ), | |
228 | ||
229 | TP_printk("task %s:%d [%d]", | |
230 | __entry->comm, __entry->pid, __entry->prio) | |
231 | ); | |
232 | ||
233 | /* | |
234 | * Tracepoint for a task exiting: | |
235 | */ | |
236 | TRACE_EVENT(sched_process_exit, | |
237 | ||
238 | TP_PROTO(struct task_struct *p), | |
239 | ||
240 | TP_ARGS(p), | |
241 | ||
242 | TP_STRUCT__entry( | |
243 | __array( char, comm, TASK_COMM_LEN ) | |
244 | __field( pid_t, pid ) | |
245 | __field( int, prio ) | |
246 | ), | |
247 | ||
248 | TP_fast_assign( | |
249 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); | |
250 | __entry->pid = p->pid; | |
251 | __entry->prio = p->prio; | |
252 | ), | |
253 | ||
254 | TP_printk("task %s:%d [%d]", | |
255 | __entry->comm, __entry->pid, __entry->prio) | |
256 | ); | |
257 | ||
258 | /* | |
259 | * Tracepoint for a waiting task: | |
260 | */ | |
261 | TRACE_EVENT(sched_process_wait, | |
262 | ||
263 | TP_PROTO(struct pid *pid), | |
264 | ||
265 | TP_ARGS(pid), | |
266 | ||
267 | TP_STRUCT__entry( | |
268 | __array( char, comm, TASK_COMM_LEN ) | |
269 | __field( pid_t, pid ) | |
270 | __field( int, prio ) | |
271 | ), | |
272 | ||
273 | TP_fast_assign( | |
274 | memcpy(__entry->comm, current->comm, TASK_COMM_LEN); | |
275 | __entry->pid = pid_nr(pid); | |
276 | __entry->prio = current->prio; | |
277 | ), | |
278 | ||
279 | TP_printk("task %s:%d [%d]", | |
280 | __entry->comm, __entry->pid, __entry->prio) | |
281 | ); | |
282 | ||
283 | /* | |
284 | * Tracepoint for do_fork: | |
285 | */ | |
286 | TRACE_EVENT(sched_process_fork, | |
287 | ||
288 | TP_PROTO(struct task_struct *parent, struct task_struct *child), | |
289 | ||
290 | TP_ARGS(parent, child), | |
291 | ||
292 | TP_STRUCT__entry( | |
293 | __array( char, parent_comm, TASK_COMM_LEN ) | |
294 | __field( pid_t, parent_pid ) | |
295 | __array( char, child_comm, TASK_COMM_LEN ) | |
296 | __field( pid_t, child_pid ) | |
297 | ), | |
298 | ||
299 | TP_fast_assign( | |
300 | memcpy(__entry->parent_comm, parent->comm, TASK_COMM_LEN); | |
301 | __entry->parent_pid = parent->pid; | |
302 | memcpy(__entry->child_comm, child->comm, TASK_COMM_LEN); | |
303 | __entry->child_pid = child->pid; | |
304 | ), | |
305 | ||
306 | TP_printk("parent %s:%d child %s:%d", | |
307 | __entry->parent_comm, __entry->parent_pid, | |
308 | __entry->child_comm, __entry->child_pid) | |
309 | ); | |
310 | ||
311 | /* | |
312 | * Tracepoint for sending a signal: | |
313 | */ | |
314 | TRACE_EVENT(sched_signal_send, | |
315 | ||
316 | TP_PROTO(int sig, struct task_struct *p), | |
317 | ||
318 | TP_ARGS(sig, p), | |
319 | ||
320 | TP_STRUCT__entry( | |
321 | __field( int, sig ) | |
322 | __array( char, comm, TASK_COMM_LEN ) | |
323 | __field( pid_t, pid ) | |
324 | ), | |
325 | ||
326 | TP_fast_assign( | |
327 | memcpy(__entry->comm, p->comm, TASK_COMM_LEN); | |
328 | __entry->pid = p->pid; | |
329 | __entry->sig = sig; | |
330 | ), | |
331 | ||
332 | TP_printk("sig: %d task %s:%d", | |
333 | __entry->sig, __entry->comm, __entry->pid) | |
334 | ); | |
335 | ||
336 | #endif /* _TRACE_SCHED_H */ | |
a8d154b0 SR |
337 | |
338 | /* This part must be outside protection */ | |
339 | #include <trace/define_trace.h> |