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