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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
95813b8f JK |
2 | #undef TRACE_SYSTEM |
3 | #define TRACE_SYSTEM page_ref | |
4 | ||
5 | #if !defined(_TRACE_PAGE_REF_H) || defined(TRACE_HEADER_MULTI_READ) | |
6 | #define _TRACE_PAGE_REF_H | |
7 | ||
8 | #include <linux/types.h> | |
9 | #include <linux/page_ref.h> | |
10 | #include <linux/tracepoint.h> | |
11 | #include <trace/events/mmflags.h> | |
12 | ||
13 | DECLARE_EVENT_CLASS(page_ref_mod_template, | |
14 | ||
15 | TP_PROTO(struct page *page, int v), | |
16 | ||
17 | TP_ARGS(page, v), | |
18 | ||
19 | TP_STRUCT__entry( | |
20 | __field(unsigned long, pfn) | |
21 | __field(unsigned long, flags) | |
22 | __field(int, count) | |
23 | __field(int, mapcount) | |
24 | __field(void *, mapping) | |
25 | __field(int, mt) | |
26 | __field(int, val) | |
27 | ), | |
28 | ||
29 | TP_fast_assign( | |
30 | __entry->pfn = page_to_pfn(page); | |
31 | __entry->flags = page->flags; | |
32 | __entry->count = page_ref_count(page); | |
33 | __entry->mapcount = page_mapcount(page); | |
34 | __entry->mapping = page->mapping; | |
35 | __entry->mt = get_pageblock_migratetype(page); | |
36 | __entry->val = v; | |
37 | ), | |
38 | ||
39 | TP_printk("pfn=0x%lx flags=%s count=%d mapcount=%d mapping=%p mt=%d val=%d", | |
40 | __entry->pfn, | |
41 | show_page_flags(__entry->flags & ((1UL << NR_PAGEFLAGS) - 1)), | |
42 | __entry->count, | |
43 | __entry->mapcount, __entry->mapping, __entry->mt, | |
44 | __entry->val) | |
45 | ); | |
46 | ||
47 | DEFINE_EVENT(page_ref_mod_template, page_ref_set, | |
48 | ||
49 | TP_PROTO(struct page *page, int v), | |
50 | ||
51 | TP_ARGS(page, v) | |
52 | ); | |
53 | ||
54 | DEFINE_EVENT(page_ref_mod_template, page_ref_mod, | |
55 | ||
56 | TP_PROTO(struct page *page, int v), | |
57 | ||
58 | TP_ARGS(page, v) | |
59 | ); | |
60 | ||
61 | DECLARE_EVENT_CLASS(page_ref_mod_and_test_template, | |
62 | ||
63 | TP_PROTO(struct page *page, int v, int ret), | |
64 | ||
65 | TP_ARGS(page, v, ret), | |
66 | ||
67 | TP_STRUCT__entry( | |
68 | __field(unsigned long, pfn) | |
69 | __field(unsigned long, flags) | |
70 | __field(int, count) | |
71 | __field(int, mapcount) | |
72 | __field(void *, mapping) | |
73 | __field(int, mt) | |
74 | __field(int, val) | |
75 | __field(int, ret) | |
76 | ), | |
77 | ||
78 | TP_fast_assign( | |
79 | __entry->pfn = page_to_pfn(page); | |
80 | __entry->flags = page->flags; | |
81 | __entry->count = page_ref_count(page); | |
82 | __entry->mapcount = page_mapcount(page); | |
83 | __entry->mapping = page->mapping; | |
84 | __entry->mt = get_pageblock_migratetype(page); | |
85 | __entry->val = v; | |
86 | __entry->ret = ret; | |
87 | ), | |
88 | ||
89 | TP_printk("pfn=0x%lx flags=%s count=%d mapcount=%d mapping=%p mt=%d val=%d ret=%d", | |
90 | __entry->pfn, | |
91 | show_page_flags(__entry->flags & ((1UL << NR_PAGEFLAGS) - 1)), | |
92 | __entry->count, | |
93 | __entry->mapcount, __entry->mapping, __entry->mt, | |
94 | __entry->val, __entry->ret) | |
95 | ); | |
96 | ||
97 | DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_and_test, | |
98 | ||
99 | TP_PROTO(struct page *page, int v, int ret), | |
100 | ||
101 | TP_ARGS(page, v, ret) | |
102 | ); | |
103 | ||
104 | DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_and_return, | |
105 | ||
106 | TP_PROTO(struct page *page, int v, int ret), | |
107 | ||
108 | TP_ARGS(page, v, ret) | |
109 | ); | |
110 | ||
111 | DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_unless, | |
112 | ||
113 | TP_PROTO(struct page *page, int v, int ret), | |
114 | ||
115 | TP_ARGS(page, v, ret) | |
116 | ); | |
117 | ||
118 | DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_freeze, | |
119 | ||
120 | TP_PROTO(struct page *page, int v, int ret), | |
121 | ||
122 | TP_ARGS(page, v, ret) | |
123 | ); | |
124 | ||
125 | DEFINE_EVENT(page_ref_mod_template, page_ref_unfreeze, | |
126 | ||
127 | TP_PROTO(struct page *page, int v), | |
128 | ||
129 | TP_ARGS(page, v) | |
130 | ); | |
131 | ||
132 | #endif /* _TRACE_PAGE_COUNT_H */ | |
133 | ||
134 | /* This part must be outside protection */ | |
135 | #include <trace/define_trace.h> |