2 #define TRACE_SYSTEM pagemap
4 #if !defined(_TRACE_PAGEMAP_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define _TRACE_PAGEMAP_H
7 #include <linux/tracepoint.h>
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
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) \
27 TRACE_EVENT(mm_lru_insertion,
37 __field(struct page *, page )
38 __field(unsigned long, pfn )
40 __field(unsigned long, flags )
45 __entry->pfn = page_to_pfn(page);
47 __entry->flags = trace_pagemap_flags(page);
50 /* Flag format is based on page-types.c formatting for pagemap */
51 TP_printk("page=%p pfn=%lu lru=%d flags=%s%s%s%s%s%s",
55 __entry->flags & PAGEMAP_MAPPED ? "M" : " ",
56 __entry->flags & PAGEMAP_ANONYMOUS ? "a" : "f",
57 __entry->flags & PAGEMAP_SWAPCACHE ? "s" : " ",
58 __entry->flags & PAGEMAP_SWAPBACKED ? "b" : " ",
59 __entry->flags & PAGEMAP_MAPPEDDISK ? "d" : " ",
60 __entry->flags & PAGEMAP_BUFFERS ? "B" : " ")
63 TRACE_EVENT(mm_lru_activate,
65 TP_PROTO(struct page *page),
70 __field(struct page *, page )
71 __field(unsigned long, pfn )
76 __entry->pfn = page_to_pfn(page);
79 /* Flag format is based on page-types.c formatting for pagemap */
80 TP_printk("page=%p pfn=%lu", __entry->page, __entry->pfn)
84 #endif /* _TRACE_PAGEMAP_H */
86 /* This part must be outside protection */
87 #include <trace/define_trace.h>