xref: /linux/include/trace/events/migrate.h (revision 0ea5c948cb64bab5bc7a5516774eb8536f05aa0d)
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 
36 MIGRATE_MODE
37 MIGRATE_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 
48 TRACE_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 
91 TRACE_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 
112 DECLARE_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 
133 DEFINE_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 
138 DEFINE_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