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fe0bfaaf RJ |
1 | #undef TRACE_SYSTEM |
2 | #define TRACE_SYSTEM filemap | |
3 | ||
4 | #if !defined(_TRACE_FILEMAP_H) || defined(TRACE_HEADER_MULTI_READ) | |
5 | #define _TRACE_FILEMAP_H | |
6 | ||
7 | #include <linux/types.h> | |
8 | #include <linux/tracepoint.h> | |
9 | #include <linux/mm.h> | |
10 | #include <linux/memcontrol.h> | |
11 | #include <linux/device.h> | |
12 | #include <linux/kdev_t.h> | |
13 | ||
14 | DECLARE_EVENT_CLASS(mm_filemap_op_page_cache, | |
15 | ||
16 | TP_PROTO(struct page *page), | |
17 | ||
18 | TP_ARGS(page), | |
19 | ||
20 | TP_STRUCT__entry( | |
21 | __field(struct page *, page) | |
22 | __field(unsigned long, i_ino) | |
23 | __field(unsigned long, index) | |
24 | __field(dev_t, s_dev) | |
25 | ), | |
26 | ||
27 | TP_fast_assign( | |
28 | __entry->page = page; | |
29 | __entry->i_ino = page->mapping->host->i_ino; | |
30 | __entry->index = page->index; | |
31 | if (page->mapping->host->i_sb) | |
32 | __entry->s_dev = page->mapping->host->i_sb->s_dev; | |
33 | else | |
34 | __entry->s_dev = page->mapping->host->i_rdev; | |
35 | ), | |
36 | ||
37 | TP_printk("dev %d:%d ino %lx page=%p pfn=%lu ofs=%lu", | |
38 | MAJOR(__entry->s_dev), MINOR(__entry->s_dev), | |
39 | __entry->i_ino, | |
40 | __entry->page, | |
41 | page_to_pfn(__entry->page), | |
42 | __entry->index << PAGE_SHIFT) | |
43 | ); | |
44 | ||
45 | DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_delete_from_page_cache, | |
46 | TP_PROTO(struct page *page), | |
47 | TP_ARGS(page) | |
48 | ); | |
49 | ||
50 | DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_add_to_page_cache, | |
51 | TP_PROTO(struct page *page), | |
52 | TP_ARGS(page) | |
53 | ); | |
54 | ||
55 | #endif /* _TRACE_FILEMAP_H */ | |
56 | ||
57 | /* This part must be outside protection */ | |
58 | #include <trace/define_trace.h> |