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		 unsigned long thp_succeeded, unsigned long thp_failed,
50		 unsigned long thp_split, enum migrate_mode mode, int reason),
51
52	TP_ARGS(succeeded, failed, thp_succeeded, thp_failed,
53		thp_split, mode, reason),
54
55	TP_STRUCT__entry(
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)
62		__field(	int,			reason)
63	),
64
65	TP_fast_assign(
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;
71		__entry->mode		= mode;
72		__entry->reason		= reason;
73	),
74
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",
76		__entry->succeeded,
77		__entry->failed,
78		__entry->thp_succeeded,
79		__entry->thp_failed,
80		__entry->thp_split,
81		__print_symbolic(__entry->mode, MIGRATE_MODE),
82		__print_symbolic(__entry->reason, MIGRATE_REASON))
83);
84#endif /* _TRACE_MIGRATE_H */
85
86/* This part must be outside protection */
87#include <trace/define_trace.h>
88