projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| c6286c98 MG |
1 | #undef TRACE_SYSTEM |
| 2 | #define TRACE_SYSTEM pagemap | |
| 3 | ||
| 4 | #if !defined(_TRACE_PAGEMAP_H) || defined(TRACE_HEADER_MULTI_READ) | |
| 5 | #define _TRACE_PAGEMAP_H | |
| 6 | ||
| 7 | #include <linux/tracepoint.h> | |
| 8 | #include <linux/mm.h> | |
| 9 | ||
| 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 | |
| 17 | ||
| 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) \ | |
| 25 | ) | |
| 26 | ||
| 27 | TRACE_EVENT(mm_lru_insertion, | |
| 28 | ||
| 29 | TP_PROTO( | |
| 30 | struct page *page, | |
| 24b7e581 | 31 | int lru |
| c6286c98 MG |
32 | ), |
| 33 | ||
| 24b7e581 | 34 | TP_ARGS(page, lru), |
| c6286c98 MG |
35 | |
| 36 | TP_STRUCT__entry( | |
| 37 | __field(struct page *, page ) | |
| 38 | __field(unsigned long, pfn ) | |
| 39 | __field(int, lru ) | |
| 40 | __field(unsigned long, flags ) | |
| 41 | ), | |
| 42 | ||
| 43 | TP_fast_assign( | |
| 44 | __entry->page = page; | |
| 24b7e581 | 45 | __entry->pfn = page_to_pfn(page); |
| c6286c98 | 46 | __entry->lru = lru; |
| 24b7e581 | 47 | __entry->flags = trace_pagemap_flags(page); |
| c6286c98 MG |
48 | ), |
| 49 | ||
| 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", | |
| 52 | __entry->page, | |
| 53 | __entry->pfn, | |
| 54 | __entry->lru, | |
| 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" : " ") | |
| 61 | ); | |
| 62 | ||
| 63 | TRACE_EVENT(mm_lru_activate, | |
| 64 | ||
| 24b7e581 | 65 | TP_PROTO(struct page *page), |
| c6286c98 | 66 | |
| 24b7e581 | 67 | TP_ARGS(page), |
| c6286c98 MG |
68 | |
| 69 | TP_STRUCT__entry( | |
| 70 | __field(struct page *, page ) | |
| 71 | __field(unsigned long, pfn ) | |
| 72 | ), | |
| 73 | ||
| 74 | TP_fast_assign( | |
| 75 | __entry->page = page; | |
| 24b7e581 | 76 | __entry->pfn = page_to_pfn(page); |
| c6286c98 MG |
77 | ), |
| 78 | ||
| 79 | /* Flag format is based on page-types.c formatting for pagemap */ | |
| 80 | TP_printk("page=%p pfn=%lu", __entry->page, __entry->pfn) | |
| 81 | ||
| 82 | ); | |
| 83 | ||
| 84 | #endif /* _TRACE_PAGEMAP_H */ | |
| 85 | ||
| 86 | /* This part must be outside protection */ | |
| 87 | #include <trace/define_trace.h> |