1#undef TRACE_SYSTEM
  2#define TRACE_SYSTEM migrate
  3
  4#if !defined(_TRACE_MIGRATE_H) || defined(TRACE_HEADER_MULTI_READ)
  5#define _TRACE_MIGRATE_H
  6
  7#include <linux/tracepoint.h>
  8
  9#define MIGRATE_MODE						\
 10	EM( MIGRATE_ASYNC,	"MIGRATE_ASYNC")		\
 11	EM( MIGRATE_SYNC_LIGHT,	"MIGRATE_SYNC_LIGHT")		\
 12	EMe(MIGRATE_SYNC,	"MIGRATE_SYNC")
 13
 14
 15#define MIGRATE_REASON						\
 16	EM( MR_COMPACTION,	"compaction")			\
 17	EM( MR_MEMORY_FAILURE,	"memory_failure")		\
 18	EM( MR_MEMORY_HOTPLUG,	"memory_hotplug")		\
 19	EM( MR_SYSCALL,		"syscall_or_cpuset")		\
 20	EM( MR_MEMPOLICY_MBIND,	"mempolicy_mbind")		\
 21	EM( MR_NUMA_MISPLACED,	"numa_misplaced")		\
 22	EMe(MR_CMA,		"cma")
 23
 24/*
 25 * First define the enums in the above macros to be exported to userspace
 26 * via TRACE_DEFINE_ENUM().
 27 */
 28#undef EM
 29#undef EMe
 30#define EM(a, b)	TRACE_DEFINE_ENUM(a);
 31#define EMe(a, b)	TRACE_DEFINE_ENUM(a);
 32
 33MIGRATE_MODE
 34MIGRATE_REASON
 35
 36/*
 37 * Now redefine the EM() and EMe() macros to map the enums to the strings
 38 * that will be printed in the output.
 39 */
 40#undef EM
 41#undef EMe
 42#define EM(a, b)	{a, b},
 43#define EMe(a, b)	{a, b}
 44
 45TRACE_EVENT(mm_migrate_pages,
 46
 47	TP_PROTO(unsigned long succeeded, unsigned long failed,
 48		 enum migrate_mode mode, int reason),
 49
 50	TP_ARGS(succeeded, failed, mode, reason),
 51
 52	TP_STRUCT__entry(
 53		__field(	unsigned long,		succeeded)
 54		__field(	unsigned long,		failed)
 55		__field(	enum migrate_mode,	mode)
 56		__field(	int,			reason)
 57	),
 58
 59	TP_fast_assign(
 60		__entry->succeeded	= succeeded;
 61		__entry->failed		= failed;
 62		__entry->mode		= mode;
 63		__entry->reason		= reason;
 64	),
 65
 66	TP_printk("nr_succeeded=%lu nr_failed=%lu mode=%s reason=%s",
 67		__entry->succeeded,
 68		__entry->failed,
 69		__print_symbolic(__entry->mode, MIGRATE_MODE),
 70		__print_symbolic(__entry->reason, MIGRATE_REASON))
 71);
 72
 73TRACE_EVENT(mm_numa_migrate_ratelimit,
 74
 75	TP_PROTO(struct task_struct *p, int dst_nid, unsigned long nr_pages),
 76
 77	TP_ARGS(p, dst_nid, nr_pages),
 78
 79	TP_STRUCT__entry(
 80		__array(	char,		comm,	TASK_COMM_LEN)
 81		__field(	pid_t,		pid)
 82		__field(	int,		dst_nid)
 83		__field(	unsigned long,	nr_pages)
 84	),
 85
 86	TP_fast_assign(
 87		memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
 88		__entry->pid		= p->pid;
 89		__entry->dst_nid	= dst_nid;
 90		__entry->nr_pages	= nr_pages;
 91	),
 92
 93	TP_printk("comm=%s pid=%d dst_nid=%d nr_pages=%lu",
 94		__entry->comm,
 95		__entry->pid,
 96		__entry->dst_nid,
 97		__entry->nr_pages)
 98);
 99#endif /* _TRACE_MIGRATE_H */
100
101/* This part must be outside protection */
102#include <trace/define_trace.h>