[linux-2.6-block.git] / include / trace / events / pagemap.h

/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM pagemap

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

#include <linux/tracepoint.h>
#include <linux/mm.h>

#define	PAGEMAP_MAPPED		0x0001u
#define PAGEMAP_ANONYMOUS	0x0002u
#define PAGEMAP_FILE		0x0004u
#define PAGEMAP_SWAPCACHE	0x0008u
#define PAGEMAP_SWAPBACKED	0x0010u
#define PAGEMAP_MAPPEDDISK	0x0020u
#define PAGEMAP_BUFFERS		0x0040u

#define trace_pagemap_flags(page) ( \
	(PageAnon(page)		? PAGEMAP_ANONYMOUS  : PAGEMAP_FILE) | \
	(page_mapped(page)	? PAGEMAP_MAPPED     : 0) | \
	(PageSwapCache(page)	? PAGEMAP_SWAPCACHE  : 0) | \
	(PageSwapBacked(page)	? PAGEMAP_SWAPBACKED : 0) | \
	(PageMappedToDisk(page)	? PAGEMAP_MAPPEDDISK : 0) | \
	(page_has_private(page) ? PAGEMAP_BUFFERS    : 0) \
	)

TRACE_EVENT(mm_lru_insertion,

	TP_PROTO(
		struct page *page,
		int lru
	),

	TP_ARGS(page, lru),

	TP_STRUCT__entry(
		__field(struct page *,	page	)
		__field(unsigned long,	pfn	)
		__field(int,		lru	)
		__field(unsigned long,	flags	)
	),

	TP_fast_assign(
		__entry->page	= page;
		__entry->pfn	= page_to_pfn(page);
		__entry->lru	= lru;
		__entry->flags	= trace_pagemap_flags(page);
	),

	/* Flag format is based on page-types.c formatting for pagemap */
	TP_printk("page=%p pfn=%lu lru=%d flags=%s%s%s%s%s%s",
			__entry->page,
			__entry->pfn,
			__entry->lru,
			__entry->flags & PAGEMAP_MAPPED		? "M" : " ",
			__entry->flags & PAGEMAP_ANONYMOUS	? "a" : "f",
			__entry->flags & PAGEMAP_SWAPCACHE	? "s" : " ",
			__entry->flags & PAGEMAP_SWAPBACKED	? "b" : " ",
			__entry->flags & PAGEMAP_MAPPEDDISK	? "d" : " ",
			__entry->flags & PAGEMAP_BUFFERS	? "B" : " ")
);

TRACE_EVENT(mm_lru_activate,

	TP_PROTO(struct page *page),

	TP_ARGS(page),

	TP_STRUCT__entry(
		__field(struct page *,	page	)
		__field(unsigned long,	pfn	)
	),

	TP_fast_assign(
		__entry->page	= page;
		__entry->pfn	= page_to_pfn(page);
	),

	/* Flag format is based on page-types.c formatting for pagemap */
	TP_printk("page=%p pfn=%lu", __entry->page, __entry->pfn)

);

#endif /* _TRACE_PAGEMAP_H */

/* This part must be outside protection */
#include <trace/define_trace.h>
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
c6286c98 MG	2	#undef TRACE_SYSTEM
	3	#define TRACE_SYSTEM pagemap
	4
	5	#if !defined(_TRACE_PAGEMAP_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	6	#define _TRACE_PAGEMAP_H
	7
	8	#include <linux/tracepoint.h>
	9	#include <linux/mm.h>
	10
	11	#define PAGEMAP_MAPPED 0x0001u
	12	#define PAGEMAP_ANONYMOUS 0x0002u
	13	#define PAGEMAP_FILE 0x0004u
	14	#define PAGEMAP_SWAPCACHE 0x0008u
	15	#define PAGEMAP_SWAPBACKED 0x0010u
	16	#define PAGEMAP_MAPPEDDISK 0x0020u
	17	#define PAGEMAP_BUFFERS 0x0040u
	18
	19	#define trace_pagemap_flags(page) ( \
	20	(PageAnon(page) ? PAGEMAP_ANONYMOUS : PAGEMAP_FILE) \| \
	21	(page_mapped(page) ? PAGEMAP_MAPPED : 0) \| \
	22	(PageSwapCache(page) ? PAGEMAP_SWAPCACHE : 0) \| \
	23	(PageSwapBacked(page) ? PAGEMAP_SWAPBACKED : 0) \| \
	24	(PageMappedToDisk(page) ? PAGEMAP_MAPPEDDISK : 0) \| \
	25	(page_has_private(page) ? PAGEMAP_BUFFERS : 0) \
	26	)
	27
	28	TRACE_EVENT(mm_lru_insertion,
	29
	30	TP_PROTO(
	31	struct page *page,
24b7e581	32	int lru
c6286c98 MG	33	),
c6286c98 MG	34
24b7e581	35	TP_ARGS(page, lru),
c6286c98 MG	36
	37	TP_STRUCT__entry(
	38	__field(struct page *, page )
	39	__field(unsigned long, pfn )
	40	__field(int, lru )
	41	__field(unsigned long, flags )
	42	),
	43
	44	TP_fast_assign(
	45	__entry->page = page;
24b7e581	46	__entry->pfn = page_to_pfn(page);
c6286c98	47	__entry->lru = lru;
24b7e581	48	__entry->flags = trace_pagemap_flags(page);
c6286c98 MG	49	),
	50
	51	/* Flag format is based on page-types.c formatting for pagemap */
	52	TP_printk("page=%p pfn=%lu lru=%d flags=%s%s%s%s%s%s",
	53	__entry->page,
	54	__entry->pfn,
	55	__entry->lru,
	56	__entry->flags & PAGEMAP_MAPPED ? "M" : " ",
	57	__entry->flags & PAGEMAP_ANONYMOUS ? "a" : "f",
	58	__entry->flags & PAGEMAP_SWAPCACHE ? "s" : " ",
	59	__entry->flags & PAGEMAP_SWAPBACKED ? "b" : " ",
	60	__entry->flags & PAGEMAP_MAPPEDDISK ? "d" : " ",
	61	__entry->flags & PAGEMAP_BUFFERS ? "B" : " ")
	62	);
	63
	64	TRACE_EVENT(mm_lru_activate,
	65
24b7e581	66	TP_PROTO(struct page *page),
c6286c98	67
24b7e581	68	TP_ARGS(page),
c6286c98 MG	69
	70	TP_STRUCT__entry(
	71	__field(struct page *, page )
	72	__field(unsigned long, pfn )
	73	),
	74
	75	TP_fast_assign(
	76	__entry->page = page;
24b7e581	77	__entry->pfn = page_to_pfn(page);
c6286c98 MG	78	),
	79
	80	/* Flag format is based on page-types.c formatting for pagemap */
	81	TP_printk("page=%p pfn=%lu", __entry->page, __entry->pfn)
	82
	83	);
	84
	85	#endif /* _TRACE_PAGEMAP_H */
	86
	87	/* This part must be outside protection */
	88	#include <trace/define_trace.h>