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	EMe(MR_CONTIG_RANGE,	"contig_range")
24
25/*
26 * First define the enums in the above macros to be exported to userspace
27 * via TRACE_DEFINE_ENUM().
28 */
29#undef EM
30#undef EMe
31#define EM(a, b)	TRACE_DEFINE_ENUM(a);
32#define EMe(a, b)	TRACE_DEFINE_ENUM(a);
33
34MIGRATE_MODE
35MIGRATE_REASON
36
37/*
38 * Now redefine the EM() and EMe() macros to map the enums to the strings
39 * that will be printed in the output.
40 */
41#undef EM
42#undef EMe
43#define EM(a, b)	{a, b},
44#define EMe(a, b)	{a, b}
45
46TRACE_EVENT(mm_migrate_pages,
47
48	TP_PROTO(unsigned long succeeded, unsigned long failed,
49		 enum migrate_mode mode, int reason),
50
51	TP_ARGS(succeeded, failed, mode, reason),
52
53	TP_STRUCT__entry(
54		__field(	unsigned long,		succeeded)
55		__field(	unsigned long,		failed)
56		__field(	enum migrate_mode,	mode)
57		__field(	int,			reason)
58	),
59
60	TP_fast_assign(
61		__entry->succeeded	= succeeded;
62		__entry->failed		= failed;
63		__entry->mode		= mode;
64		__entry->reason		= reason;
65	),
66
67	TP_printk("nr_succeeded=%lu nr_failed=%lu mode=%s reason=%s",
68		__entry->succeeded,
69		__entry->failed,
70		__print_symbolic(__entry->mode, MIGRATE_MODE),
71		__print_symbolic(__entry->reason, MIGRATE_REASON))
72);
73#endif /* _TRACE_MIGRATE_H */
74
75/* This part must be outside protection */
76#include <trace/define_trace.h>