1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
/* use <trace/sched.h> instead */
#ifndef TRACE_EVENT_FORMAT
# error Do not include this file directly.
# error Unless you know what you are doing.
#endif
#undef TRACE_SYSTEM
#define TRACE_SYSTEM sched
TRACE_EVENT_FORMAT(sched_kthread_stop,
TP_PROTO(struct task_struct *t),
TP_ARGS(t),
TP_FMT("task %s:%d", t->comm, t->pid),
TRACE_STRUCT(
TRACE_FIELD(pid_t, pid, t->pid)
),
TP_RAW_FMT("task %d")
);
TRACE_EVENT_FORMAT(sched_kthread_stop_ret,
TP_PROTO(int ret),
TP_ARGS(ret),
TP_FMT("ret=%d", ret),
TRACE_STRUCT(
TRACE_FIELD(int, ret, ret)
),
TP_RAW_FMT("ret=%d")
);
TRACE_EVENT_FORMAT(sched_wait_task,
TP_PROTO(struct rq *rq, struct task_struct *p),
TP_ARGS(rq, p),
TP_FMT("task %s:%d", p->comm, p->pid),
TRACE_STRUCT(
TRACE_FIELD(pid_t, pid, p->pid)
),
TP_RAW_FMT("task %d")
);
TRACE_EVENT_FORMAT(sched_wakeup,
TP_PROTO(struct rq *rq, struct task_struct *p, int success),
TP_ARGS(rq, p, success),
TP_FMT("task %s:%d %s",
p->comm, p->pid, success ? "succeeded" : "failed"),
TRACE_STRUCT(
TRACE_FIELD(pid_t, pid, p->pid)
TRACE_FIELD(int, success, success)
),
TP_RAW_FMT("task %d success=%d")
);
TRACE_EVENT_FORMAT(sched_wakeup_new,
TP_PROTO(struct rq *rq, struct task_struct *p, int success),
TP_ARGS(rq, p, success),
TP_FMT("task %s:%d",
p->comm, p->pid, success ? "succeeded" : "failed"),
TRACE_STRUCT(
TRACE_FIELD(pid_t, pid, p->pid)
TRACE_FIELD(int, success, success)
),
TP_RAW_FMT("task %d success=%d")
);
/*
* Tracepoint for task switches, performed by the scheduler:
*
* (NOTE: the 'rq' argument is not used by generic trace events,
* but used by the latency tracer plugin. )
*/
TRACE_EVENT(sched_switch,
TP_PROTO(struct rq *rq, struct task_struct *prev,
struct task_struct *next),
TP_ARGS(rq, prev, next),
TP_STRUCT__entry(
__array( char, prev_comm, TASK_COMM_LEN )
__field( pid_t, prev_pid )
__field( int, prev_prio )
__array( char, next_comm, TASK_COMM_LEN )
__field( pid_t, next_pid )
__field( int, next_prio )
),
TP_printk("task %s:%d [%d] ==> %s:%d [%d]",
__entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
__entry->next_comm, __entry->next_pid, __entry->next_prio),
TP_fast_assign(
memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN);
__entry->prev_pid = prev->pid;
__entry->prev_prio = prev->prio;
memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN);
__entry->next_pid = next->pid;
__entry->next_prio = next->prio;
)
);
TRACE_EVENT_FORMAT(sched_migrate_task,
TP_PROTO(struct task_struct *p, int orig_cpu, int dest_cpu),
TP_ARGS(p, orig_cpu, dest_cpu),
TP_FMT("task %s:%d from: %d to: %d",
p->comm, p->pid, orig_cpu, dest_cpu),
TRACE_STRUCT(
TRACE_FIELD(pid_t, pid, p->pid)
TRACE_FIELD(int, orig_cpu, orig_cpu)
TRACE_FIELD(int, dest_cpu, dest_cpu)
),
TP_RAW_FMT("task %d from: %d to: %d")
);
TRACE_EVENT_FORMAT(sched_process_free,
TP_PROTO(struct task_struct *p),
TP_ARGS(p),
TP_FMT("task %s:%d", p->comm, p->pid),
TRACE_STRUCT(
TRACE_FIELD(pid_t, pid, p->pid)
),
TP_RAW_FMT("task %d")
);
TRACE_EVENT_FORMAT(sched_process_exit,
TP_PROTO(struct task_struct *p),
TP_ARGS(p),
TP_FMT("task %s:%d", p->comm, p->pid),
TRACE_STRUCT(
TRACE_FIELD(pid_t, pid, p->pid)
),
TP_RAW_FMT("task %d")
);
TRACE_EVENT_FORMAT(sched_process_wait,
TP_PROTO(struct pid *pid),
TP_ARGS(pid),
TP_FMT("pid %d", pid_nr(pid)),
TRACE_STRUCT(
TRACE_FIELD(pid_t, pid, pid_nr(pid))
),
TP_RAW_FMT("task %d")
);
TRACE_EVENT_FORMAT(sched_process_fork,
TP_PROTO(struct task_struct *parent, struct task_struct *child),
TP_ARGS(parent, child),
TP_FMT("parent %s:%d child %s:%d",
parent->comm, parent->pid, child->comm, child->pid),
TRACE_STRUCT(
TRACE_FIELD(pid_t, parent, parent->pid)
TRACE_FIELD(pid_t, child, child->pid)
),
TP_RAW_FMT("parent %d child %d")
);
TRACE_EVENT_FORMAT(sched_signal_send,
TP_PROTO(int sig, struct task_struct *p),
TP_ARGS(sig, p),
TP_FMT("sig: %d task %s:%d", sig, p->comm, p->pid),
TRACE_STRUCT(
TRACE_FIELD(int, sig, sig)
TRACE_FIELD(pid_t, pid, p->pid)
),
TP_RAW_FMT("sig: %d task %d")
);
#undef TRACE_SYSTEM
|
