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, unsigned long large_folio_split,
53 enum migrate_mode mode, int reason),
54
55 TP_ARGS(succeeded, failed, thp_succeeded, thp_failed,
56 thp_split, large_folio_split, mode, reason),
57
58 TP_STRUCT__entry(
59 __field( unsigned long, succeeded)
60 __field( unsigned long, failed)
61 __field( unsigned long, thp_succeeded)
62 __field( unsigned long, thp_failed)
63 __field( unsigned long, thp_split)
64 __field( unsigned long, large_folio_split)
65 __field( enum migrate_mode, mode)
66 __field( int, reason)
67 ),
68
69 TP_fast_assign(
70 __entry->succeeded = succeeded;
71 __entry->failed = failed;
72 __entry->thp_succeeded = thp_succeeded;
73 __entry->thp_failed = thp_failed;
74 __entry->thp_split = thp_split;
75 __entry->large_folio_split = large_folio_split;
76 __entry->mode = mode;
77 __entry->reason = reason;
78 ),
79
80 TP_printk("nr_succeeded=%lu nr_failed=%lu nr_thp_succeeded=%lu nr_thp_failed=%lu nr_thp_split=%lu nr_split=%lu mode=%s reason=%s",
81 __entry->succeeded,
82 __entry->failed,
83 __entry->thp_succeeded,
84 __entry->thp_failed,
85 __entry->thp_split,
86 __entry->large_folio_split,
87 __print_symbolic(__entry->mode, MIGRATE_MODE),
88 __print_symbolic(__entry->reason, MIGRATE_REASON))
89);
90
91TRACE_EVENT(mm_migrate_pages_start,
92
93 TP_PROTO(enum migrate_mode mode, int reason),
94
95 TP_ARGS(mode, reason),
96
97 TP_STRUCT__entry(
98 __field(enum migrate_mode, mode)
99 __field(int, reason)
100 ),
101
102 TP_fast_assign(
103 __entry->mode = mode;
104 __entry->reason = reason;
105 ),
106
107 TP_printk("mode=%s reason=%s",
108 __print_symbolic(__entry->mode, MIGRATE_MODE),
109 __print_symbolic(__entry->reason, MIGRATE_REASON))
110);
111
112DECLARE_EVENT_CLASS(migration_pte,
113
114 TP_PROTO(unsigned long addr, unsigned long pte, int order),
115
116 TP_ARGS(addr, pte, order),
117
118 TP_STRUCT__entry(
119 __field(unsigned long, addr)
120 __field(unsigned long, pte)
121 __field(int, order)
122 ),
123
124 TP_fast_assign(
125 __entry->addr = addr;
126 __entry->pte = pte;
127 __entry->order = order;
128 ),
129
130 TP_printk("addr=%lx, pte=%lx order=%d", __entry->addr, __entry->pte, __entry->order)
131);
132
133DEFINE_EVENT(migration_pte, set_migration_pte,
134 TP_PROTO(unsigned long addr, unsigned long pte, int order),
135 TP_ARGS(addr, pte, order)
136);
137
138DEFINE_EVENT(migration_pte, remove_migration_pte,
139 TP_PROTO(unsigned long addr, unsigned long pte, int order),
140 TP_ARGS(addr, pte, order)
141);
142
143#endif /* _TRACE_MIGRATE_H */
144
145/* This part must be outside protection */
146#include <trace/define_trace.h>
147

source code of linux/include/trace/events/migrate.h