1#undef TRACE_SYSTEM
2#define TRACE_SYSTEM migrate
3
4#if !defined(_TRACE_MIGRATE_H) || defined(TRACE_HEADER_MULTI_READ)
5#define _TRACE_MIGRATE_H
6
7#include <linux/tracepoint.h>
8
9#define MIGRATE_MODE						\
10	EM( MIGRATE_ASYNC,	"MIGRATE_ASYNC")		\
11	EM( MIGRATE_SYNC_LIGHT,	"MIGRATE_SYNC_LIGHT")		\
12	EMe(MIGRATE_SYNC,	"MIGRATE_SYNC")
13
14
15#define MIGRATE_REASON						\
16	EM( MR_COMPACTION,	"compaction")			\
17	EM( MR_MEMORY_FAILURE,	"memory_failure")		\
18	EM( MR_MEMORY_HOTPLUG,	"memory_hotplug")		\
19	EM( MR_SYSCALL,		"syscall_or_cpuset")		\
20	EM( MR_MEMPOLICY_MBIND,	"mempolicy_mbind")		\
21	EM( MR_NUMA_MISPLACED,	"numa_misplaced")		\
22	EMe(MR_CMA,		"cma")
23
24/*
25 * First define the enums in the above macros to be exported to userspace
26 * via TRACE_DEFINE_ENUM().
27 */
28#undef EM
29#undef EMe
30#define EM(a, b)	TRACE_DEFINE_ENUM(a);
31#define EMe(a, b)	TRACE_DEFINE_ENUM(a);
32
33MIGRATE_MODE
34MIGRATE_REASON
35
36/*
37 * Now redefine the EM() and EMe() macros to map the enums to the strings
38 * that will be printed in the output.
39 */
40#undef EM
41#undef EMe
42#define EM(a, b)	{a, b},
43#define EMe(a, b)	{a, b}
44
45TRACE_EVENT(mm_migrate_pages,
46
47	TP_PROTO(unsigned long succeeded, unsigned long failed,
48		 enum migrate_mode mode, int reason),
49
50	TP_ARGS(succeeded, failed, mode, reason),
51
52	TP_STRUCT__entry(
53		__field(	unsigned long,		succeeded)
54		__field(	unsigned long,		failed)
55		__field(	enum migrate_mode,	mode)
56		__field(	int,			reason)
57	),
58
59	TP_fast_assign(
60		__entry->succeeded	= succeeded;
61		__entry->failed		= failed;
62		__entry->mode		= mode;
63		__entry->reason		= reason;
64	),
65
66	TP_printk("nr_succeeded=%lu nr_failed=%lu mode=%s reason=%s",
67		__entry->succeeded,
68		__entry->failed,
69		__print_symbolic(__entry->mode, MIGRATE_MODE),
70		__print_symbolic(__entry->reason, MIGRATE_REASON))
71);
72
73TRACE_EVENT(mm_numa_migrate_ratelimit,
74
75	TP_PROTO(struct task_struct *p, int dst_nid, unsigned long nr_pages),
76
77	TP_ARGS(p, dst_nid, nr_pages),
78
79	TP_STRUCT__entry(
80		__array(	char,		comm,	TASK_COMM_LEN)
81		__field(	pid_t,		pid)
82		__field(	int,		dst_nid)
83		__field(	unsigned long,	nr_pages)
84	),
85
86	TP_fast_assign(
87		memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
88		__entry->pid		= p->pid;
89		__entry->dst_nid	= dst_nid;
90		__entry->nr_pages	= nr_pages;
91	),
92
93	TP_printk("comm=%s pid=%d dst_nid=%d nr_pages=%lu",
94		__entry->comm,
95		__entry->pid,
96		__entry->dst_nid,
97		__entry->nr_pages)
98);
99#endif /* _TRACE_MIGRATE_H */
100
101/* This part must be outside protection */
102#include <trace/define_trace.h>
103