| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Joonsoo Kim | 95813b8 | 2016-03-17 14:19:29 -0700 | [diff] [blame] | 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> |