tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>