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-rw-r--r--include/trace/events/sched.h346
1 files changed, 346 insertions, 0 deletions
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
new file mode 100644
index 000000000000..24ab5bcff7b2
--- /dev/null
+++ b/include/trace/events/sched.h
@@ -0,0 +1,346 @@
1#if !defined(_TRACE_SCHED_H) || defined(TRACE_HEADER_MULTI_READ)
2#define _TRACE_SCHED_H
3
4#include <linux/sched.h>
5#include <linux/tracepoint.h>
6
7#undef TRACE_SYSTEM
8#define TRACE_SYSTEM sched
9
10/*
11 * Tracepoint for calling kthread_stop, performed to end a kthread:
12 */
13TRACE_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 */
35TRACE_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 */
58TRACE_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 */
86TRACE_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 */
117TRACE_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 */
148TRACE_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 __field( long, prev_state )
160 __array( char, next_comm, TASK_COMM_LEN )
161 __field( pid_t, next_pid )
162 __field( int, next_prio )
163 ),
164
165 TP_fast_assign(
166 memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN);
167 __entry->prev_pid = prev->pid;
168 __entry->prev_prio = prev->prio;
169 __entry->prev_state = prev->state;
170 memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN);
171 __entry->next_pid = next->pid;
172 __entry->next_prio = next->prio;
173 ),
174
175 TP_printk("task %s:%d [%d] (%s) ==> %s:%d [%d]",
176 __entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
177 __entry->prev_state ?
178 __print_flags(__entry->prev_state, "|",
179 { 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" },
180 { 16, "Z" }, { 32, "X" }, { 64, "x" },
181 { 128, "W" }) : "R",
182 __entry->next_comm, __entry->next_pid, __entry->next_prio)
183);
184
185/*
186 * Tracepoint for a task being migrated:
187 */
188TRACE_EVENT(sched_migrate_task,
189
190 TP_PROTO(struct task_struct *p, int dest_cpu),
191
192 TP_ARGS(p, dest_cpu),
193
194 TP_STRUCT__entry(
195 __array( char, comm, TASK_COMM_LEN )
196 __field( pid_t, pid )
197 __field( int, prio )
198 __field( int, orig_cpu )
199 __field( int, dest_cpu )
200 ),
201
202 TP_fast_assign(
203 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
204 __entry->pid = p->pid;
205 __entry->prio = p->prio;
206 __entry->orig_cpu = task_cpu(p);
207 __entry->dest_cpu = dest_cpu;
208 ),
209
210 TP_printk("task %s:%d [%d] from: %d to: %d",
211 __entry->comm, __entry->pid, __entry->prio,
212 __entry->orig_cpu, __entry->dest_cpu)
213);
214
215/*
216 * Tracepoint for freeing a task:
217 */
218TRACE_EVENT(sched_process_free,
219
220 TP_PROTO(struct task_struct *p),
221
222 TP_ARGS(p),
223
224 TP_STRUCT__entry(
225 __array( char, comm, TASK_COMM_LEN )
226 __field( pid_t, pid )
227 __field( int, prio )
228 ),
229
230 TP_fast_assign(
231 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
232 __entry->pid = p->pid;
233 __entry->prio = p->prio;
234 ),
235
236 TP_printk("task %s:%d [%d]",
237 __entry->comm, __entry->pid, __entry->prio)
238);
239
240/*
241 * Tracepoint for a task exiting:
242 */
243TRACE_EVENT(sched_process_exit,
244
245 TP_PROTO(struct task_struct *p),
246
247 TP_ARGS(p),
248
249 TP_STRUCT__entry(
250 __array( char, comm, TASK_COMM_LEN )
251 __field( pid_t, pid )
252 __field( int, prio )
253 ),
254
255 TP_fast_assign(
256 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
257 __entry->pid = p->pid;
258 __entry->prio = p->prio;
259 ),
260
261 TP_printk("task %s:%d [%d]",
262 __entry->comm, __entry->pid, __entry->prio)
263);
264
265/*
266 * Tracepoint for a waiting task:
267 */
268TRACE_EVENT(sched_process_wait,
269
270 TP_PROTO(struct pid *pid),
271
272 TP_ARGS(pid),
273
274 TP_STRUCT__entry(
275 __array( char, comm, TASK_COMM_LEN )
276 __field( pid_t, pid )
277 __field( int, prio )
278 ),
279
280 TP_fast_assign(
281 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
282 __entry->pid = pid_nr(pid);
283 __entry->prio = current->prio;
284 ),
285
286 TP_printk("task %s:%d [%d]",
287 __entry->comm, __entry->pid, __entry->prio)
288);
289
290/*
291 * Tracepoint for do_fork:
292 */
293TRACE_EVENT(sched_process_fork,
294
295 TP_PROTO(struct task_struct *parent, struct task_struct *child),
296
297 TP_ARGS(parent, child),
298
299 TP_STRUCT__entry(
300 __array( char, parent_comm, TASK_COMM_LEN )
301 __field( pid_t, parent_pid )
302 __array( char, child_comm, TASK_COMM_LEN )
303 __field( pid_t, child_pid )
304 ),
305
306 TP_fast_assign(
307 memcpy(__entry->parent_comm, parent->comm, TASK_COMM_LEN);
308 __entry->parent_pid = parent->pid;
309 memcpy(__entry->child_comm, child->comm, TASK_COMM_LEN);
310 __entry->child_pid = child->pid;
311 ),
312
313 TP_printk("parent %s:%d child %s:%d",
314 __entry->parent_comm, __entry->parent_pid,
315 __entry->child_comm, __entry->child_pid)
316);
317
318/*
319 * Tracepoint for sending a signal:
320 */
321TRACE_EVENT(sched_signal_send,
322
323 TP_PROTO(int sig, struct task_struct *p),
324
325 TP_ARGS(sig, p),
326
327 TP_STRUCT__entry(
328 __field( int, sig )
329 __array( char, comm, TASK_COMM_LEN )
330 __field( pid_t, pid )
331 ),
332
333 TP_fast_assign(
334 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
335 __entry->pid = p->pid;
336 __entry->sig = sig;
337 ),
338
339 TP_printk("sig: %d task %s:%d",
340 __entry->sig, __entry->comm, __entry->pid)
341);
342
343#endif /* _TRACE_SCHED_H */
344
345/* This part must be outside protection */
346#include <trace/define_trace.h>
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-23 02:15:38 -0500