1
2 #undef TRACE_SYSTEM
3 #define TRACE_SYSTEM huge_memory
4
5 #if !defined(__HUGE_MEMORY_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define __HUGE_MEMORY_H
7
8 #include <linux/tracepoint.h>
9
10 #define SCAN_STATUS \
11 EM( SCAN_FAIL, "failed") \
12 EM( SCAN_SUCCEED, "succeeded") \
13 EM( SCAN_PMD_NULL, "pmd_null") \
14 EM( SCAN_EXCEED_NONE_PTE, "exceed_none_pte") \
15 EM( SCAN_PTE_NON_PRESENT, "pte_non_present") \
16 EM( SCAN_PAGE_RO, "no_writable_page") \
17 EM( SCAN_LACK_REFERENCED_PAGE, "lack_referenced_page") \
18 EM( SCAN_PAGE_NULL, "page_null") \
19 EM( SCAN_SCAN_ABORT, "scan_aborted") \
20 EM( SCAN_PAGE_COUNT, "not_suitable_page_count") \
21 EM( SCAN_PAGE_LRU, "page_not_in_lru") \
22 EM( SCAN_PAGE_LOCK, "page_locked") \
23 EM( SCAN_PAGE_ANON, "page_not_anon") \
24 EM( SCAN_PAGE_COMPOUND, "page_compound") \
25 EM( SCAN_ANY_PROCESS, "no_process_for_page") \
26 EM( SCAN_VMA_NULL, "vma_null") \
27 EM( SCAN_VMA_CHECK, "vma_check_failed") \
28 EM( SCAN_ADDRESS_RANGE, "not_suitable_address_range") \
29 EM( SCAN_SWAP_CACHE_PAGE, "page_swap_cache") \
30 EM( SCAN_DEL_PAGE_LRU, "could_not_delete_page_from_lru")\
31 EM( SCAN_ALLOC_HUGE_PAGE_FAIL, "alloc_huge_page_failed") \
32 EM( SCAN_CGROUP_CHARGE_FAIL, "ccgroup_charge_failed") \
33 EM( SCAN_EXCEED_SWAP_PTE, "exceed_swap_pte") \
34 EM( SCAN_TRUNCATED, "truncated") \
35 EMe(SCAN_PAGE_HAS_PRIVATE, "page_has_private") \
36
37 #undef EM
38 #undef EMe
39 #define EM(a, b) TRACE_DEFINE_ENUM(a);
40 #define EMe(a, b) TRACE_DEFINE_ENUM(a);
41
42 SCAN_STATUS
43
44 #undef EM
45 #undef EMe
46 #define EM(a, b) {a, b},
47 #define EMe(a, b) {a, b}
48
49 TRACE_EVENT(mm_khugepaged_scan_pmd,
50
51 TP_PROTO(struct mm_struct *mm, struct page *page, bool writable,
52 int referenced, int none_or_zero, int status, int unmapped),
53
54 TP_ARGS(mm, page, writable, referenced, none_or_zero, status, unmapped),
55
56 TP_STRUCT__entry(
57 __field(struct mm_struct *, mm)
58 __field(unsigned long, pfn)
59 __field(bool, writable)
60 __field(int, referenced)
61 __field(int, none_or_zero)
62 __field(int, status)
63 __field(int, unmapped)
64 ),
65
66 TP_fast_assign(
67 __entry->mm = mm;
68 __entry->pfn = page ? page_to_pfn(page) : -1;
69 __entry->writable = writable;
70 __entry->referenced = referenced;
71 __entry->none_or_zero = none_or_zero;
72 __entry->status = status;
73 __entry->unmapped = unmapped;
74 ),
75
76 TP_printk("mm=%p, scan_pfn=0x%lx, writable=%d, referenced=%d, none_or_zero=%d, status=%s, unmapped=%d",
77 __entry->mm,
78 __entry->pfn,
79 __entry->writable,
80 __entry->referenced,
81 __entry->none_or_zero,
82 __print_symbolic(__entry->status, SCAN_STATUS),
83 __entry->unmapped)
84 );
85
86 TRACE_EVENT(mm_collapse_huge_page,
87
88 TP_PROTO(struct mm_struct *mm, int isolated, int status),
89
90 TP_ARGS(mm, isolated, status),
91
92 TP_STRUCT__entry(
93 __field(struct mm_struct *, mm)
94 __field(int, isolated)
95 __field(int, status)
96 ),
97
98 TP_fast_assign(
99 __entry->mm = mm;
100 __entry->isolated = isolated;
101 __entry->status = status;
102 ),
103
104 TP_printk("mm=%p, isolated=%d, status=%s",
105 __entry->mm,
106 __entry->isolated,
107 __print_symbolic(__entry->status, SCAN_STATUS))
108 );
109
110 TRACE_EVENT(mm_collapse_huge_page_isolate,
111
112 TP_PROTO(struct page *page, int none_or_zero,
113 int referenced, bool writable, int status),
114
115 TP_ARGS(page, none_or_zero, referenced, writable, status),
116
117 TP_STRUCT__entry(
118 __field(unsigned long, pfn)
119 __field(int, none_or_zero)
120 __field(int, referenced)
121 __field(bool, writable)
122 __field(int, status)
123 ),
124
125 TP_fast_assign(
126 __entry->pfn = page ? page_to_pfn(page) : -1;
127 __entry->none_or_zero = none_or_zero;
128 __entry->referenced = referenced;
129 __entry->writable = writable;
130 __entry->status = status;
131 ),
132
133 TP_printk("scan_pfn=0x%lx, none_or_zero=%d, referenced=%d, writable=%d, status=%s",
134 __entry->pfn,
135 __entry->none_or_zero,
136 __entry->referenced,
137 __entry->writable,
138 __print_symbolic(__entry->status, SCAN_STATUS))
139 );
140
141 TRACE_EVENT(mm_collapse_huge_page_swapin,
142
143 TP_PROTO(struct mm_struct *mm, int swapped_in, int referenced, int ret),
144
145 TP_ARGS(mm, swapped_in, referenced, ret),
146
147 TP_STRUCT__entry(
148 __field(struct mm_struct *, mm)
149 __field(int, swapped_in)
150 __field(int, referenced)
151 __field(int, ret)
152 ),
153
154 TP_fast_assign(
155 __entry->mm = mm;
156 __entry->swapped_in = swapped_in;
157 __entry->referenced = referenced;
158 __entry->ret = ret;
159 ),
160
161 TP_printk("mm=%p, swapped_in=%d, referenced=%d, ret=%d",
162 __entry->mm,
163 __entry->swapped_in,
164 __entry->referenced,
165 __entry->ret)
166 );
167
168 #endif
169 #include <trace/define_trace.h>