1 /* SPDX-License-Identifier: GPL-2.0 */
3 #define TRACE_SYSTEM migrate
5 #if !defined(_TRACE_MIGRATE_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define _TRACE_MIGRATE_H
8 #include <linux/tracepoint.h>
10 #define MIGRATE_MODE \
11 EM( MIGRATE_ASYNC, "MIGRATE_ASYNC") \
12 EM( MIGRATE_SYNC_LIGHT, "MIGRATE_SYNC_LIGHT") \
13 EMe(MIGRATE_SYNC, "MIGRATE_SYNC")
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")
28 * First define the enums in the above macros to be exported to userspace
29 * via TRACE_DEFINE_ENUM().
33 #define EM(a, b) TRACE_DEFINE_ENUM(a);
34 #define EMe(a, b) TRACE_DEFINE_ENUM(a);
40 * Now redefine the EM() and EMe() macros to map the enums to the strings
41 * that will be printed in the output.
45 #define EM(a, b) {a, b},
46 #define EMe(a, b) {a, b}
48 TRACE_EVENT(mm_migrate_pages,
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),
55 TP_ARGS(succeeded, failed, thp_succeeded, thp_failed,
56 thp_split, large_folio_split, mode, reason),
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)
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;
77 __entry->reason = reason;
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",
83 __entry->thp_succeeded,
86 __entry->large_folio_split,
87 __print_symbolic(__entry->mode, MIGRATE_MODE),
88 __print_symbolic(__entry->reason, MIGRATE_REASON))
91 TRACE_EVENT(mm_migrate_pages_start,
93 TP_PROTO(enum migrate_mode mode, int reason),
95 TP_ARGS(mode, reason),
98 __field(enum migrate_mode, mode)
103 __entry->mode = mode;
104 __entry->reason = reason;
107 TP_printk("mode=%s reason=%s",
108 __print_symbolic(__entry->mode, MIGRATE_MODE),
109 __print_symbolic(__entry->reason, MIGRATE_REASON))
112 DECLARE_EVENT_CLASS(migration_pte,
114 TP_PROTO(unsigned long addr, unsigned long pte, int order),
116 TP_ARGS(addr, pte, order),
119 __field(unsigned long, addr)
120 __field(unsigned long, pte)
125 __entry->addr = addr;
127 __entry->order = order;
130 TP_printk("addr=%lx, pte=%lx order=%d", __entry->addr, __entry->pte, __entry->order)
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)
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)
143 #endif /* _TRACE_MIGRATE_H */
145 /* This part must be outside protection */
146 #include <trace/define_trace.h>