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	EM( MR_DEMOTION,	"demotion")			\
 26	EMe(MR_DAMON,		"damon")
 27
 28/*
 29 * First define the enums in the above macros to be exported to userspace
 30 * via TRACE_DEFINE_ENUM().
 31 */
 32#undef EM
 33#undef EMe
 34#define EM(a, b)	TRACE_DEFINE_ENUM(a);
 35#define EMe(a, b)	TRACE_DEFINE_ENUM(a);
 36
 37MIGRATE_MODE
 38MIGRATE_REASON
 39
 40/*
 41 * Now redefine the EM() and EMe() macros to map the enums to the strings
 42 * that will be printed in the output.
 43 */
 44#undef EM
 45#undef EMe
 46#define EM(a, b)	{a, b},
 47#define EMe(a, b)	{a, b}
 48
 49TRACE_EVENT(mm_migrate_pages,
 50
 51	TP_PROTO(unsigned long succeeded, unsigned long failed,
 52		 unsigned long thp_succeeded, unsigned long thp_failed,
 53		 unsigned long thp_split, unsigned long large_folio_split,
 54		 enum migrate_mode mode, int reason),
 55
 56	TP_ARGS(succeeded, failed, thp_succeeded, thp_failed,
 57		thp_split, large_folio_split, mode, reason),
 58
 59	TP_STRUCT__entry(
 60		__field(	unsigned long,		succeeded)
 61		__field(	unsigned long,		failed)
 62		__field(	unsigned long,		thp_succeeded)
 63		__field(	unsigned long,		thp_failed)
 64		__field(	unsigned long,		thp_split)
 65		__field(	unsigned long,		large_folio_split)
 66		__field(	enum migrate_mode,	mode)
 67		__field(	int,			reason)
 68	),
 69
 70	TP_fast_assign(
 71		__entry->succeeded			= succeeded;
 72		__entry->failed				= failed;
 73		__entry->thp_succeeded		= thp_succeeded;
 74		__entry->thp_failed			= thp_failed;
 75		__entry->thp_split			= thp_split;
 76		__entry->large_folio_split	= large_folio_split;
 77		__entry->mode				= mode;
 78		__entry->reason				= reason;
 79	),
 80
 81	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",
 82		__entry->succeeded,
 83		__entry->failed,
 84		__entry->thp_succeeded,
 85		__entry->thp_failed,
 86		__entry->thp_split,
 87		__entry->large_folio_split,
 88		__print_symbolic(__entry->mode, MIGRATE_MODE),
 89		__print_symbolic(__entry->reason, MIGRATE_REASON))
 90);
 91
 92TRACE_EVENT(mm_migrate_pages_start,
 93
 94	TP_PROTO(enum migrate_mode mode, int reason),
 95
 96	TP_ARGS(mode, reason),
 97
 98	TP_STRUCT__entry(
 99		__field(enum migrate_mode, mode)
100		__field(int, reason)
101	),
102
103	TP_fast_assign(
104		__entry->mode	= mode;
105		__entry->reason	= reason;
106	),
107
108	TP_printk("mode=%s reason=%s",
109		  __print_symbolic(__entry->mode, MIGRATE_MODE),
110		  __print_symbolic(__entry->reason, MIGRATE_REASON))
111);
112
113DECLARE_EVENT_CLASS(migration_pte,
114
115		TP_PROTO(unsigned long addr, unsigned long pte, int order),
116
117		TP_ARGS(addr, pte, order),
118
119		TP_STRUCT__entry(
120			__field(unsigned long, addr)
121			__field(unsigned long, pte)
122			__field(int, order)
123		),
124
125		TP_fast_assign(
126			__entry->addr = addr;
127			__entry->pte = pte;
128			__entry->order = order;
129		),
130
131		TP_printk("addr=%lx, pte=%lx order=%d", __entry->addr, __entry->pte, __entry->order)
132);
133
134DEFINE_EVENT(migration_pte, set_migration_pte,
135	TP_PROTO(unsigned long addr, unsigned long pte, int order),
136	TP_ARGS(addr, pte, order)
137);
138
139DEFINE_EVENT(migration_pte, remove_migration_pte,
140	TP_PROTO(unsigned long addr, unsigned long pte, int order),
141	TP_ARGS(addr, pte, order)
142);
143
144#endif /* _TRACE_MIGRATE_H */
145
146/* This part must be outside protection */
147#include <trace/define_trace.h>