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 EMe(SCAN_TRUNCATED, "truncated") \
35
36#undef EM
37#undef EMe
38#define EM(a, b) TRACE_DEFINE_ENUM(a);
39#define EMe(a, b) TRACE_DEFINE_ENUM(a);
40
41SCAN_STATUS
42
43#undef EM
44#undef EMe
45#define EM(a, b) {a, b},
46#define EMe(a, b) {a, b}
47
48TRACE_EVENT(mm_khugepaged_scan_pmd,
49
50 TP_PROTO(struct mm_struct *mm, struct page *page, bool writable,
51 int referenced, int none_or_zero, int status, int unmapped),
52
53 TP_ARGS(mm, page, writable, referenced, none_or_zero, status, unmapped),
54
55 TP_STRUCT__entry(
56 __field(struct mm_struct *, mm)
57 __field(unsigned long, pfn)
58 __field(bool, writable)
59 __field(int, referenced)
60 __field(int, none_or_zero)
61 __field(int, status)
62 __field(int, unmapped)
63 ),
64
65 TP_fast_assign(
66 __entry->mm = mm;
67 __entry->pfn = page ? page_to_pfn(page) : -1;
68 __entry->writable = writable;
69 __entry->referenced = referenced;
70 __entry->none_or_zero = none_or_zero;
71 __entry->status = status;
72 __entry->unmapped = unmapped;
73 ),
74
75 TP_printk("mm=%p, scan_pfn=0x%lx, writable=%d, referenced=%d, none_or_zero=%d, status=%s, unmapped=%d",
76 __entry->mm,
77 __entry->pfn,
78 __entry->writable,
79 __entry->referenced,
80 __entry->none_or_zero,
81 __print_symbolic(__entry->status, SCAN_STATUS),
82 __entry->unmapped)
83);
84
85TRACE_EVENT(mm_collapse_huge_page,
86
87 TP_PROTO(struct mm_struct *mm, int isolated, int status),
88
89 TP_ARGS(mm, isolated, status),
90
91 TP_STRUCT__entry(
92 __field(struct mm_struct *, mm)
93 __field(int, isolated)
94 __field(int, status)
95 ),
96
97 TP_fast_assign(
98 __entry->mm = mm;
99 __entry->isolated = isolated;
100 __entry->status = status;
101 ),
102
103 TP_printk("mm=%p, isolated=%d, status=%s",
104 __entry->mm,
105 __entry->isolated,
106 __print_symbolic(__entry->status, SCAN_STATUS))
107);
108
109TRACE_EVENT(mm_collapse_huge_page_isolate,
110
111 TP_PROTO(struct page *page, int none_or_zero,
112 int referenced, bool writable, int status),
113
114 TP_ARGS(page, none_or_zero, referenced, writable, status),
115
116 TP_STRUCT__entry(
117 __field(unsigned long, pfn)
118 __field(int, none_or_zero)
119 __field(int, referenced)
120 __field(bool, writable)
121 __field(int, status)
122 ),
123
124 TP_fast_assign(
125 __entry->pfn = page ? page_to_pfn(page) : -1;
126 __entry->none_or_zero = none_or_zero;
127 __entry->referenced = referenced;
128 __entry->writable = writable;
129 __entry->status = status;
130 ),
131
132 TP_printk("scan_pfn=0x%lx, none_or_zero=%d, referenced=%d, writable=%d, status=%s",
133 __entry->pfn,
134 __entry->none_or_zero,
135 __entry->referenced,
136 __entry->writable,
137 __print_symbolic(__entry->status, SCAN_STATUS))
138);
139
140TRACE_EVENT(mm_collapse_huge_page_swapin,
141
142 TP_PROTO(struct mm_struct *mm, int swapped_in, int referenced, int ret),
143
144 TP_ARGS(mm, swapped_in, referenced, ret),
145
146 TP_STRUCT__entry(
147 __field(struct mm_struct *, mm)
148 __field(int, swapped_in)
149 __field(int, referenced)
150 __field(int, ret)
151 ),
152
153 TP_fast_assign(
154 __entry->mm = mm;
155 __entry->swapped_in = swapped_in;
156 __entry->referenced = referenced;
157 __entry->ret = ret;
158 ),
159
160 TP_printk("mm=%p, swapped_in=%d, referenced=%d, ret=%d",
161 __entry->mm,
162 __entry->swapped_in,
163 __entry->referenced,
164 __entry->ret)
165);
166
167#endif
168#include <trace/define_trace.h>
169
