1 /* SPDX-License-Identifier: GPL-2.0 */
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(folio) ( \
20 (folio_test_anon(folio) ? PAGEMAP_ANONYMOUS : PAGEMAP_FILE) | \
21 (folio_mapped(folio) ? PAGEMAP_MAPPED : 0) | \
22 (folio_test_swapcache(folio) ? PAGEMAP_SWAPCACHE : 0) | \
23 (folio_test_swapbacked(folio) ? PAGEMAP_SWAPBACKED : 0) | \
24 (folio_test_mappedtodisk(folio) ? PAGEMAP_MAPPEDDISK : 0) | \
25 (folio_test_private(folio) ? PAGEMAP_BUFFERS : 0) \
26 )
27
28 TRACE_EVENT(mm_lru_insertion,
29
30 TP_PROTO(struct folio *folio),
31
32 TP_ARGS(folio),
33
34 TP_STRUCT__entry(
35 __field(struct folio *, folio )
36 __field(unsigned long, pfn )
37 __field(enum lru_list, lru )
38 __field(unsigned long, flags )
39 ),
40
41 TP_fast_assign(
42 __entry->folio = folio;
43 __entry->pfn = folio_pfn(folio);
44 __entry->lru = folio_lru_list(folio);
45 __entry->flags = trace_pagemap_flags(folio);
46 ),
47
48 /* Flag format is based on page-types.c formatting for pagemap */
49 TP_printk("folio=%p pfn=0x%lx lru=%d flags=%s%s%s%s%s%s",
50 __entry->folio,
51 __entry->pfn,
52 __entry->lru,
53 __entry->flags & PAGEMAP_MAPPED ? "M" : " ",
54 __entry->flags & PAGEMAP_ANONYMOUS ? "a" : "f",
55 __entry->flags & PAGEMAP_SWAPCACHE ? "s" : " ",
56 __entry->flags & PAGEMAP_SWAPBACKED ? "b" : " ",
57 __entry->flags & PAGEMAP_MAPPEDDISK ? "d" : " ",
58 __entry->flags & PAGEMAP_BUFFERS ? "B" : " ")
59 );
60
61 TRACE_EVENT(mm_lru_activate,
62
63 TP_PROTO(struct folio *folio),
64
65 TP_ARGS(folio),
66
67 TP_STRUCT__entry(
68 __field(struct folio *, folio )
69 __field(unsigned long, pfn )
70 ),
71
72 TP_fast_assign(
73 __entry->folio = folio;
74 __entry->pfn = folio_pfn(folio);
75 ),
76
77 TP_printk("folio=%p pfn=0x%lx", __entry->folio, __entry->pfn)
78 );
79
80 #endif /* _TRACE_PAGEMAP_H */
81
82 /* This part must be outside protection */
83 #include <trace/define_trace.h>
84
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