]>
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 | ), |
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> |