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 | |