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
 74TRACE_EVENT(mm_numa_migrate_ratelimit,
 75
 76	TP_PROTO(struct task_struct *p, int dst_nid, unsigned long nr_pages),
 77
 78	TP_ARGS(p, dst_nid, nr_pages),
 79
 80	TP_STRUCT__entry(
 81		__array(	char,		comm,	TASK_COMM_LEN)
 82		__field(	pid_t,		pid)
 83		__field(	int,		dst_nid)
 84		__field(	unsigned long,	nr_pages)
 85	),
 86
 87	TP_fast_assign(
 88		memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
 89		__entry->pid		= p->pid;
 90		__entry->dst_nid	= dst_nid;
 91		__entry->nr_pages	= nr_pages;
 92	),
 93
 94	TP_printk("comm=%s pid=%d dst_nid=%d nr_pages=%lu",
 95		__entry->comm,
 96		__entry->pid,
 97		__entry->dst_nid,
 98		__entry->nr_pages)
 99);
100#endif /* _TRACE_MIGRATE_H */
101
102/* This part must be outside protection */
103#include <trace/define_trace.h>