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148 lines · 3.8 KiB

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 EM( MR_DEMOTION, "demotion") \
26 EM( MR_DAMON, "damon") \
27 EMe(MR_NEVER, "never_migrated")
28
29/*
30 * First define the enums in the above macros to be exported to userspace
31 * via TRACE_DEFINE_ENUM().
32 */
33#undef EM
34#undef EMe
35#define EM(a, b) TRACE_DEFINE_ENUM(a);
36#define EMe(a, b) TRACE_DEFINE_ENUM(a);
37
38MIGRATE_MODE
39MIGRATE_REASON
40
41/*
42 * Now redefine the EM() and EMe() macros to map the enums to the strings
43 * that will be printed in the output.
44 */
45#undef EM
46#undef EMe
47#define EM(a, b) {a, b},
48#define EMe(a, b) {a, b}
49
50TRACE_EVENT(mm_migrate_pages,
51
52 TP_PROTO(unsigned long succeeded, unsigned long failed,
53 unsigned long thp_succeeded, unsigned long thp_failed,
54 unsigned long thp_split, unsigned long large_folio_split,
55 enum migrate_mode mode, enum migrate_reason reason),
56
57 TP_ARGS(succeeded, failed, thp_succeeded, thp_failed,
58 thp_split, large_folio_split, mode, reason),
59
60 TP_STRUCT__entry(
61 __field( unsigned long, succeeded)
62 __field( unsigned long, failed)
63 __field( unsigned long, thp_succeeded)
64 __field( unsigned long, thp_failed)
65 __field( unsigned long, thp_split)
66 __field( unsigned long, large_folio_split)
67 __field( enum migrate_mode, mode)
68 __field( enum migrate_reason, reason)
69 ),
70
71 TP_fast_assign(
72 __entry->succeeded = succeeded;
73 __entry->failed = failed;
74 __entry->thp_succeeded = thp_succeeded;
75 __entry->thp_failed = thp_failed;
76 __entry->thp_split = thp_split;
77 __entry->large_folio_split = large_folio_split;
78 __entry->mode = mode;
79 __entry->reason = reason;
80 ),
81
82 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",
83 __entry->succeeded,
84 __entry->failed,
85 __entry->thp_succeeded,
86 __entry->thp_failed,
87 __entry->thp_split,
88 __entry->large_folio_split,
89 __print_symbolic(__entry->mode, MIGRATE_MODE),
90 __print_symbolic(__entry->reason, MIGRATE_REASON))
91);
92
93TRACE_EVENT(mm_migrate_pages_start,
94
95 TP_PROTO(enum migrate_mode mode, enum migrate_reason reason),
96
97 TP_ARGS(mode, reason),
98
99 TP_STRUCT__entry(
100 __field(enum migrate_mode, mode)
101 __field(enum migrate_reason, reason)
102 ),
103
104 TP_fast_assign(
105 __entry->mode = mode;
106 __entry->reason = reason;
107 ),
108
109 TP_printk("mode=%s reason=%s",
110 __print_symbolic(__entry->mode, MIGRATE_MODE),
111 __print_symbolic(__entry->reason, MIGRATE_REASON))
112);
113
114DECLARE_EVENT_CLASS(migration_pte,
115
116 TP_PROTO(unsigned long addr, unsigned long pte, int order),
117
118 TP_ARGS(addr, pte, order),
119
120 TP_STRUCT__entry(
121 __field(unsigned long, addr)
122 __field(unsigned long, pte)
123 __field(int, order)
124 ),
125
126 TP_fast_assign(
127 __entry->addr = addr;
128 __entry->pte = pte;
129 __entry->order = order;
130 ),
131
132 TP_printk("addr=%lx, pte=%lx order=%d", __entry->addr, __entry->pte, __entry->order)
133);
134
135DEFINE_EVENT(migration_pte, set_migration_pte,
136 TP_PROTO(unsigned long addr, unsigned long pte, int order),
137 TP_ARGS(addr, pte, order)
138);
139
140DEFINE_EVENT(migration_pte, remove_migration_pte,
141 TP_PROTO(unsigned long addr, unsigned long pte, int order),
142 TP_ARGS(addr, pte, order)
143);
144
145#endif /* _TRACE_MIGRATE_H */
146
147/* This part must be outside protection */
148#include <trace/define_trace.h>