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 EMe(MR_CONTIG_RANGE, "contig_range")
26 * First define the enums in the above macros to be exported to userspace
27 * via TRACE_DEFINE_ENUM().
31 #define EM(a, b) TRACE_DEFINE_ENUM(a);
32 #define EMe(a, b) TRACE_DEFINE_ENUM(a);
38 * Now redefine the EM() and EMe() macros to map the enums to the strings
39 * that will be printed in the output.
43 #define EM(a, b) {a, b},
44 #define EMe(a, b) {a, b}
46 TRACE_EVENT(mm_migrate_pages,
48 TP_PROTO(unsigned long succeeded, unsigned long failed,
49 unsigned long thp_succeeded, unsigned long thp_failed,
50 unsigned long thp_split, enum migrate_mode mode, int reason),
52 TP_ARGS(succeeded, failed, thp_succeeded, thp_failed,
53 thp_split, mode, reason),
56 __field( unsigned long, succeeded)
57 __field( unsigned long, failed)
58 __field( unsigned long, thp_succeeded)
59 __field( unsigned long, thp_failed)
60 __field( unsigned long, thp_split)
61 __field( enum migrate_mode, mode)
66 __entry->succeeded = succeeded;
67 __entry->failed = failed;
68 __entry->thp_succeeded = thp_succeeded;
69 __entry->thp_failed = thp_failed;
70 __entry->thp_split = thp_split;
72 __entry->reason = reason;
75 TP_printk("nr_succeeded=%lu nr_failed=%lu nr_thp_succeeded=%lu nr_thp_failed=%lu nr_thp_split=%lu mode=%s reason=%s",
78 __entry->thp_succeeded,
81 __print_symbolic(__entry->mode, MIGRATE_MODE),
82 __print_symbolic(__entry->reason, MIGRATE_REASON))
84 #endif /* _TRACE_MIGRATE_H */
86 /* This part must be outside protection */
87 #include <trace/define_trace.h>