xref: /linux/include/trace/events/migrate.h (revision a3a02a52bcfcbcc4a637d4b68bf1bc391c9fad02)
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 	EMe(MR_DAMON,		"damon")
27 
28 /*
29  * First define the enums in the above macros to be exported to userspace
30  * via TRACE_DEFINE_ENUM().
31  */
32 #undef EM
33 #undef EMe
34 #define EM(a, b)	TRACE_DEFINE_ENUM(a);
35 #define EMe(a, b)	TRACE_DEFINE_ENUM(a);
36 
37 MIGRATE_MODE
38 MIGRATE_REASON
39 
40 /*
41  * Now redefine the EM() and EMe() macros to map the enums to the strings
42  * that will be printed in the output.
43  */
44 #undef EM
45 #undef EMe
46 #define EM(a, b)	{a, b},
47 #define EMe(a, b)	{a, b}
48 
49 TRACE_EVENT(mm_migrate_pages,
50 
51 	TP_PROTO(unsigned long succeeded, unsigned long failed,
52 		 unsigned long thp_succeeded, unsigned long thp_failed,
53 		 unsigned long thp_split, unsigned long large_folio_split,
54 		 enum migrate_mode mode, int reason),
55 
56 	TP_ARGS(succeeded, failed, thp_succeeded, thp_failed,
57 		thp_split, large_folio_split, mode, reason),
58 
59 	TP_STRUCT__entry(
60 		__field(	unsigned long,		succeeded)
61 		__field(	unsigned long,		failed)
62 		__field(	unsigned long,		thp_succeeded)
63 		__field(	unsigned long,		thp_failed)
64 		__field(	unsigned long,		thp_split)
65 		__field(	unsigned long,		large_folio_split)
66 		__field(	enum migrate_mode,	mode)
67 		__field(	int,			reason)
68 	),
69 
70 	TP_fast_assign(
71 		__entry->succeeded			= succeeded;
72 		__entry->failed				= failed;
73 		__entry->thp_succeeded		= thp_succeeded;
74 		__entry->thp_failed			= thp_failed;
75 		__entry->thp_split			= thp_split;
76 		__entry->large_folio_split	= large_folio_split;
77 		__entry->mode				= mode;
78 		__entry->reason				= reason;
79 	),
80 
81 	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",
82 		__entry->succeeded,
83 		__entry->failed,
84 		__entry->thp_succeeded,
85 		__entry->thp_failed,
86 		__entry->thp_split,
87 		__entry->large_folio_split,
88 		__print_symbolic(__entry->mode, MIGRATE_MODE),
89 		__print_symbolic(__entry->reason, MIGRATE_REASON))
90 );
91 
92 TRACE_EVENT(mm_migrate_pages_start,
93 
94 	TP_PROTO(enum migrate_mode mode, int reason),
95 
96 	TP_ARGS(mode, reason),
97 
98 	TP_STRUCT__entry(
99 		__field(enum migrate_mode, mode)
100 		__field(int, reason)
101 	),
102 
103 	TP_fast_assign(
104 		__entry->mode	= mode;
105 		__entry->reason	= reason;
106 	),
107 
108 	TP_printk("mode=%s reason=%s",
109 		  __print_symbolic(__entry->mode, MIGRATE_MODE),
110 		  __print_symbolic(__entry->reason, MIGRATE_REASON))
111 );
112 
113 DECLARE_EVENT_CLASS(migration_pte,
114 
115 		TP_PROTO(unsigned long addr, unsigned long pte, int order),
116 
117 		TP_ARGS(addr, pte, order),
118 
119 		TP_STRUCT__entry(
120 			__field(unsigned long, addr)
121 			__field(unsigned long, pte)
122 			__field(int, order)
123 		),
124 
125 		TP_fast_assign(
126 			__entry->addr = addr;
127 			__entry->pte = pte;
128 			__entry->order = order;
129 		),
130 
131 		TP_printk("addr=%lx, pte=%lx order=%d", __entry->addr, __entry->pte, __entry->order)
132 );
133 
134 DEFINE_EVENT(migration_pte, set_migration_pte,
135 	TP_PROTO(unsigned long addr, unsigned long pte, int order),
136 	TP_ARGS(addr, pte, order)
137 );
138 
139 DEFINE_EVENT(migration_pte, remove_migration_pte,
140 	TP_PROTO(unsigned long addr, unsigned long pte, int order),
141 	TP_ARGS(addr, pte, order)
142 );
143 
144 #endif /* _TRACE_MIGRATE_H */
145 
146 /* This part must be outside protection */
147 #include <trace/define_trace.h>
148