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	EMe(MR_LONGTERM_PIN,	"longterm_pin")
 25
 26/*
 27 * First define the enums in the above macros to be exported to userspace
 28 * via TRACE_DEFINE_ENUM().
 29 */
 30#undef EM
 31#undef EMe
 32#define EM(a, b)	TRACE_DEFINE_ENUM(a);
 33#define EMe(a, b)	TRACE_DEFINE_ENUM(a);
 34
 35MIGRATE_MODE
 36MIGRATE_REASON
 37
 38/*
 39 * Now redefine the EM() and EMe() macros to map the enums to the strings
 40 * that will be printed in the output.
 41 */
 42#undef EM
 43#undef EMe
 44#define EM(a, b)	{a, b},
 45#define EMe(a, b)	{a, b}
 46
 47TRACE_EVENT(mm_migrate_pages,
 48
 49	TP_PROTO(unsigned long succeeded, unsigned long failed,
 50		 unsigned long thp_succeeded, unsigned long thp_failed,
 51		 unsigned long thp_split, enum migrate_mode mode, int reason),
 52
 53	TP_ARGS(succeeded, failed, thp_succeeded, thp_failed,
 54		thp_split, mode, reason),
 55
 56	TP_STRUCT__entry(
 57		__field(	unsigned long,		succeeded)
 58		__field(	unsigned long,		failed)
 59		__field(	unsigned long,		thp_succeeded)
 60		__field(	unsigned long,		thp_failed)
 61		__field(	unsigned long,		thp_split)
 62		__field(	enum migrate_mode,	mode)
 63		__field(	int,			reason)
 64	),
 65
 66	TP_fast_assign(
 67		__entry->succeeded	= succeeded;
 68		__entry->failed		= failed;
 69		__entry->thp_succeeded	= thp_succeeded;
 70		__entry->thp_failed	= thp_failed;
 71		__entry->thp_split	= thp_split;
 72		__entry->mode		= mode;
 73		__entry->reason		= reason;
 74	),
 75
 76	TP_printk("nr_succeeded=%lu nr_failed=%lu nr_thp_succeeded=%lu nr_thp_failed=%lu nr_thp_split=%lu mode=%s reason=%s",
 77		__entry->succeeded,
 78		__entry->failed,
 79		__entry->thp_succeeded,
 80		__entry->thp_failed,
 81		__entry->thp_split,
 82		__print_symbolic(__entry->mode, MIGRATE_MODE),
 83		__print_symbolic(__entry->reason, MIGRATE_REASON))
 84);
 85
 86TRACE_EVENT(mm_migrate_pages_start,
 87
 88	TP_PROTO(enum migrate_mode mode, int reason),
 89
 90	TP_ARGS(mode, reason),
 91
 92	TP_STRUCT__entry(
 93		__field(enum migrate_mode, mode)
 94		__field(int, reason)
 95	),
 96
 97	TP_fast_assign(
 98		__entry->mode	= mode;
 99		__entry->reason	= reason;
100	),
101
102	TP_printk("mode=%s reason=%s",
103		  __print_symbolic(__entry->mode, MIGRATE_MODE),
104		  __print_symbolic(__entry->reason, MIGRATE_REASON))
105);
106
107#endif /* _TRACE_MIGRATE_H */
108
109/* This part must be outside protection */
110#include <trace/define_trace.h>