1/* SPDX-License-Identifier: GPL-2.0 */
2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM task
4
5#if !defined(_TRACE_TASK_H) || defined(TRACE_HEADER_MULTI_READ)
6#define _TRACE_TASK_H
7#include <linux/tracepoint.h>
8
9TRACE_EVENT(task_newtask,
10
11 TP_PROTO(struct task_struct *task, u64 clone_flags),
12
13 TP_ARGS(task, clone_flags),
14
15 TP_STRUCT__entry(
16 __field( pid_t, pid)
17 __array( char, comm, TASK_COMM_LEN)
18 __field( u64, clone_flags)
19 __field( short, oom_score_adj)
20 ),
21
22 TP_fast_assign(
23 __entry->pid = task->pid;
24 memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
25 __entry->clone_flags = clone_flags;
26 __entry->oom_score_adj = task->signal->oom_score_adj;
27 ),
28
29 TP_printk("pid=%d comm=%s clone_flags=%llx oom_score_adj=%hd",
30 __entry->pid, __entry->comm,
31 __entry->clone_flags, __entry->oom_score_adj)
32);
33
34TRACE_EVENT(task_rename,
35
36 TP_PROTO(struct task_struct *task, const char *comm),
37
38 TP_ARGS(task, comm),
39
40 TP_STRUCT__entry(
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 memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN);
48 strscpy(entry->newcomm, comm, TASK_COMM_LEN);
49 __entry->oom_score_adj = task->signal->oom_score_adj;
50 ),
51
52 TP_printk("oldcomm=%s newcomm=%s oom_score_adj=%hd",
53 __entry->oldcomm, __entry->newcomm, __entry->oom_score_adj)
54);
55
56/**
57 * task_prctl_unknown - called on unknown prctl() option
58 * @option: option passed
59 * @arg2: arg2 passed
60 * @arg3: arg3 passed
61 * @arg4: arg4 passed
62 * @arg5: arg5 passed
63 *
64 * Called on an unknown prctl() option.
65 */
66TRACE_EVENT(task_prctl_unknown,
67
68 TP_PROTO(int option, unsigned long arg2, unsigned long arg3,
69 unsigned long arg4, unsigned long arg5),
70
71 TP_ARGS(option, arg2, arg3, arg4, arg5),
72
73 TP_STRUCT__entry(
74 __field( int, option)
75 __field( unsigned long, arg2)
76 __field( unsigned long, arg3)
77 __field( unsigned long, arg4)
78 __field( unsigned long, arg5)
79 ),
80
81 TP_fast_assign(
82 __entry->option = option;
83 __entry->arg2 = arg2;
84 __entry->arg3 = arg3;
85 __entry->arg4 = arg4;
86 __entry->arg5 = arg5;
87 ),
88
89 TP_printk("option=%d arg2=%ld arg3=%ld arg4=%ld arg5=%ld",
90 __entry->option, __entry->arg2, __entry->arg3, __entry->arg4, __entry->arg5)
91);
92
93#endif
94
95/* This part must be outside protection */
96#include <trace/define_trace.h>
97