xref: /linux/include/trace/events/task.h (revision f3a8b6645dc2e60d11f20c1c23afd964ff4e55ae)
1 #undef TRACE_SYSTEM
2 #define TRACE_SYSTEM task
3 
4 #if !defined(_TRACE_TASK_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define _TRACE_TASK_H
6 #include <linux/tracepoint.h>
7 
8 TRACE_EVENT(task_newtask,
9 
10 	TP_PROTO(struct task_struct *task, unsigned long clone_flags),
11 
12 	TP_ARGS(task, clone_flags),
13 
14 	TP_STRUCT__entry(
15 		__field(	pid_t,	pid)
16 		__array(	char,	comm, TASK_COMM_LEN)
17 		__field( unsigned long, clone_flags)
18 		__field(	short,	oom_score_adj)
19 	),
20 
21 	TP_fast_assign(
22 		__entry->pid = task->pid;
23 		memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
24 		__entry->clone_flags = clone_flags;
25 		__entry->oom_score_adj = task->signal->oom_score_adj;
26 	),
27 
28 	TP_printk("pid=%d comm=%s clone_flags=%lx oom_score_adj=%hd",
29 		__entry->pid, __entry->comm,
30 		__entry->clone_flags, __entry->oom_score_adj)
31 );
32 
33 TRACE_EVENT(task_rename,
34 
35 	TP_PROTO(struct task_struct *task, const char *comm),
36 
37 	TP_ARGS(task, comm),
38 
39 	TP_STRUCT__entry(
40 		__field(	pid_t,	pid)
41 		__array(	char, oldcomm,  TASK_COMM_LEN)
42 		__array(	char, newcomm,  TASK_COMM_LEN)
43 		__field(	short,	oom_score_adj)
44 	),
45 
46 	TP_fast_assign(
47 		__entry->pid = task->pid;
48 		memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN);
49 		strlcpy(entry->newcomm, comm, TASK_COMM_LEN);
50 		__entry->oom_score_adj = task->signal->oom_score_adj;
51 	),
52 
53 	TP_printk("pid=%d oldcomm=%s newcomm=%s oom_score_adj=%hd",
54 		__entry->pid, __entry->oldcomm,
55 		__entry->newcomm, __entry->oom_score_adj)
56 );
57 
58 #endif
59 
60 /* This part must be outside protection */
61 #include <trace/define_trace.h>
62