1/* SPDX-License-Identifier: GPL-2.0 */
2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM migrate
4
5#if !defined(_TRACE_MIGRATE_H) || defined(TRACE_HEADER_MULTI_READ)
6#define _TRACE_MIGRATE_H
7
8#include <linux/tracepoint.h>
9
10#define MIGRATE_MODE						\
11	EM( MIGRATE_ASYNC,	"MIGRATE_ASYNC")		\
12	EM( MIGRATE_SYNC_LIGHT,	"MIGRATE_SYNC_LIGHT")		\
13	EMe(MIGRATE_SYNC,	"MIGRATE_SYNC")
14
15
16#define MIGRATE_REASON						\
17	EM( MR_COMPACTION,	"compaction")			\
18	EM( MR_MEMORY_FAILURE,	"memory_failure")		\
19	EM( MR_MEMORY_HOTPLUG,	"memory_hotplug")		\
20	EM( MR_SYSCALL,		"syscall_or_cpuset")		\
21	EM( MR_MEMPOLICY_MBIND,	"mempolicy_mbind")		\
22	EM( MR_NUMA_MISPLACED,	"numa_misplaced")		\
23	EM( MR_CONTIG_RANGE,	"contig_range")			\
24	EM( MR_LONGTERM_PIN,	"longterm_pin")			\
25	EMe(MR_DEMOTION,	"demotion")
26
27/*
28 * First define the enums in the above macros to be exported to userspace
29 * via TRACE_DEFINE_ENUM().
30 */
31#undef EM
32#undef EMe
33#define EM(a, b)	TRACE_DEFINE_ENUM(a);
34#define EMe(a, b)	TRACE_DEFINE_ENUM(a);
35
36MIGRATE_MODE
37MIGRATE_REASON
38
39/*
40 * Now redefine the EM() and EMe() macros to map the enums to the strings
41 * that will be printed in the output.
42 */
43#undef EM
44#undef EMe
45#define EM(a, b)	{a, b},
46#define EMe(a, b)	{a, b}
47
48TRACE_EVENT(mm_migrate_pages,
49
50	TP_PROTO(unsigned long succeeded, unsigned long failed,
51		 unsigned long thp_succeeded, unsigned long thp_failed,
52		 unsigned long thp_split, enum migrate_mode mode, int reason),
53
54	TP_ARGS(succeeded, failed, thp_succeeded, thp_failed,
55		thp_split, mode, reason),
56
57	TP_STRUCT__entry(
58		__field(	unsigned long,		succeeded)
59		__field(	unsigned long,		failed)
60		__field(	unsigned long,		thp_succeeded)
61		__field(	unsigned long,		thp_failed)
62		__field(	unsigned long,		thp_split)
63		__field(	enum migrate_mode,	mode)
64		__field(	int,			reason)
65	),
66
67	TP_fast_assign(
68		__entry->succeeded	= succeeded;
69		__entry->failed		= failed;
70		__entry->thp_succeeded	= thp_succeeded;
71		__entry->thp_failed	= thp_failed;
72		__entry->thp_split	= thp_split;
73		__entry->mode		= mode;
74		__entry->reason		= reason;
75	),
76
77	TP_printk("nr_succeeded=%lu nr_failed=%lu nr_thp_succeeded=%lu nr_thp_failed=%lu nr_thp_split=%lu mode=%s reason=%s",
78		__entry->succeeded,
79		__entry->failed,
80		__entry->thp_succeeded,
81		__entry->thp_failed,
82		__entry->thp_split,
83		__print_symbolic(__entry->mode, MIGRATE_MODE),
84		__print_symbolic(__entry->reason, MIGRATE_REASON))
85);
86
87TRACE_EVENT(mm_migrate_pages_start,
88
89	TP_PROTO(enum migrate_mode mode, int reason),
90
91	TP_ARGS(mode, reason),
92
93	TP_STRUCT__entry(
94		__field(enum migrate_mode, mode)
95		__field(int, reason)
96	),
97
98	TP_fast_assign(
99		__entry->mode	= mode;
100		__entry->reason	= reason;
101	),
102
103	TP_printk("mode=%s reason=%s",
104		  __print_symbolic(__entry->mode, MIGRATE_MODE),
105		  __print_symbolic(__entry->reason, MIGRATE_REASON))
106);
107
108DECLARE_EVENT_CLASS(migration_pte,
109
110		TP_PROTO(unsigned long addr, unsigned long pte, int order),
111
112		TP_ARGS(addr, pte, order),
113
114		TP_STRUCT__entry(
115			__field(unsigned long, addr)
116			__field(unsigned long, pte)
117			__field(int, order)
118		),
119
120		TP_fast_assign(
121			__entry->addr = addr;
122			__entry->pte = pte;
123			__entry->order = order;
124		),
125
126		TP_printk("addr=%lx, pte=%lx order=%d", __entry->addr, __entry->pte, __entry->order)
127);
128
129DEFINE_EVENT(migration_pte, set_migration_pte,
130	TP_PROTO(unsigned long addr, unsigned long pte, int order),
131	TP_ARGS(addr, pte, order)
132);
133
134DEFINE_EVENT(migration_pte, remove_migration_pte,
135	TP_PROTO(unsigned long addr, unsigned long pte, int order),
136	TP_ARGS(addr, pte, order)
137);
138
139#endif /* _TRACE_MIGRATE_H */
140
141/* This part must be outside protection */
142#include <trace/define_trace.h>
143