include/trace/events/vmscan.h

Source file repositories/reference/linux-study-clean/include/trace/events/vmscan.h

File Facts

System
Linux kernel
Corpus path
include/trace/events/vmscan.h
Extension
.h
Size
17569 bytes
Lines
666
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: implementation source
Status
source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

#undef TRACE_SYSTEM
#define TRACE_SYSTEM vmscan

#if !defined(_TRACE_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_VMSCAN_H

#include <linux/types.h>
#include <linux/tracepoint.h>
#include <linux/mm.h>
#include <linux/memcontrol.h>
#include <trace/events/mmflags.h>

#define RECLAIM_WB_ANON		0x0001u
#define RECLAIM_WB_FILE		0x0002u
#define RECLAIM_WB_MIXED	0x0010u
#define RECLAIM_WB_SYNC		0x0004u /* Unused, all reclaim async */
#define RECLAIM_WB_ASYNC	0x0008u
#define RECLAIM_WB_LRU		(RECLAIM_WB_ANON|RECLAIM_WB_FILE)

#define show_reclaim_flags(flags)				\
	(flags) ? __print_flags(flags, "|",			\
		{RECLAIM_WB_ANON,	"RECLAIM_WB_ANON"},	\
		{RECLAIM_WB_FILE,	"RECLAIM_WB_FILE"},	\
		{RECLAIM_WB_MIXED,	"RECLAIM_WB_MIXED"},	\
		{RECLAIM_WB_SYNC,	"RECLAIM_WB_SYNC"},	\
		{RECLAIM_WB_ASYNC,	"RECLAIM_WB_ASYNC"}	\
		) : "RECLAIM_WB_NONE"

#define _VMSCAN_THROTTLE_WRITEBACK	(1 << VMSCAN_THROTTLE_WRITEBACK)
#define _VMSCAN_THROTTLE_ISOLATED	(1 << VMSCAN_THROTTLE_ISOLATED)
#define _VMSCAN_THROTTLE_NOPROGRESS	(1 << VMSCAN_THROTTLE_NOPROGRESS)
#define _VMSCAN_THROTTLE_CONGESTED	(1 << VMSCAN_THROTTLE_CONGESTED)

#define show_throttle_flags(flags)						\
	(flags) ? __print_flags(flags, "|",					\
		{_VMSCAN_THROTTLE_WRITEBACK,	"VMSCAN_THROTTLE_WRITEBACK"},	\
		{_VMSCAN_THROTTLE_ISOLATED,	"VMSCAN_THROTTLE_ISOLATED"},	\
		{_VMSCAN_THROTTLE_NOPROGRESS,	"VMSCAN_THROTTLE_NOPROGRESS"},	\
		{_VMSCAN_THROTTLE_CONGESTED,	"VMSCAN_THROTTLE_CONGESTED"}	\
		) : "VMSCAN_THROTTLE_NONE"

TRACE_DEFINE_ENUM(KSWAPD_CLEAR_HOPELESS_OTHER);
TRACE_DEFINE_ENUM(KSWAPD_CLEAR_HOPELESS_KSWAPD);
TRACE_DEFINE_ENUM(KSWAPD_CLEAR_HOPELESS_DIRECT);
TRACE_DEFINE_ENUM(KSWAPD_CLEAR_HOPELESS_PCP);

#define kswapd_clear_hopeless_reason_ops		\
	{KSWAPD_CLEAR_HOPELESS_KSWAPD,	"KSWAPD"},	\
	{KSWAPD_CLEAR_HOPELESS_DIRECT,	"DIRECT"},	\
	{KSWAPD_CLEAR_HOPELESS_PCP,	"PCP"},		\
	{KSWAPD_CLEAR_HOPELESS_OTHER,	"OTHER"}

#define trace_reclaim_flags(file) ( \
	(file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
	(RECLAIM_WB_ASYNC) \
	)

TRACE_EVENT(mm_vmscan_kswapd_sleep,

	TP_PROTO(int nid),

	TP_ARGS(nid),

	TP_STRUCT__entry(
		__field(	int,	nid	)
	),

	TP_fast_assign(
		__entry->nid	= nid;
	),

	TP_printk("nid=%d", __entry->nid)
);

TRACE_EVENT(mm_vmscan_kswapd_wake,

	TP_PROTO(int nid, int zid, int order),

	TP_ARGS(nid, zid, order),

	TP_STRUCT__entry(
		__field(	int,	nid	)
		__field(	int,	zid	)
		__field(	int,	order	)
	),

	TP_fast_assign(
		__entry->nid	= nid;
		__entry->zid    = zid;
		__entry->order	= order;

Annotation

Implementation Notes