task.h

 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		__field(	pid_t,	pid)
42		__array(	char, oldcomm,  TASK_COMM_LEN)
43		__array(	char, newcomm,  TASK_COMM_LEN)
44		__field(	short,	oom_score_adj)
45	),
46
47	TP_fast_assign(
48		__entry->pid = task->pid;
49		memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN);
50		strscpy(entry->newcomm, comm, TASK_COMM_LEN);
51		__entry->oom_score_adj = task->signal->oom_score_adj;
52	),
53
54	TP_printk("pid=%d oldcomm=%s newcomm=%s oom_score_adj=%hd",
55		__entry->pid, __entry->oldcomm,
56		__entry->newcomm, __entry->oom_score_adj)
57);
58
59/**
60 * task_prctl_unknown - called on unknown prctl() option
61 * @option:	option passed
62 * @arg2:	arg2 passed
63 * @arg3:	arg3 passed
64 * @arg4:	arg4 passed
65 * @arg5:	arg5 passed
66 *
67 * Called on an unknown prctl() option.
68 */
69TRACE_EVENT(task_prctl_unknown,
70
71	TP_PROTO(int option, unsigned long arg2, unsigned long arg3,
72		 unsigned long arg4, unsigned long arg5),
73
74	TP_ARGS(option, arg2, arg3, arg4, arg5),
75
76	TP_STRUCT__entry(
77		__field(	int,		option)
78		__field(	unsigned long,	arg2)
79		__field(	unsigned long,	arg3)
80		__field(	unsigned long,	arg4)
81		__field(	unsigned long,	arg5)
82	),
83
84	TP_fast_assign(
85		__entry->option = option;
86		__entry->arg2 = arg2;
87		__entry->arg3 = arg3;
88		__entry->arg4 = arg4;
89		__entry->arg5 = arg5;
90	),
91
92	TP_printk("option=%d arg2=%ld arg3=%ld arg4=%ld arg5=%ld",
93		  __entry->option, __entry->arg2, __entry->arg3, __entry->arg4, __entry->arg5)
94);
95
96#endif
97
98/* This part must be outside protection */
99#include <trace/define_trace.h>