1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM huge_memory
#if !defined(__HUGE_MEMORY_H) || defined(TRACE_HEADER_MULTI_READ)
#define __HUGE_MEMORY_H
#include <linux/tracepoint.h>
#define SCAN_STATUS \
EM( SCAN_FAIL, "failed") \
EM( SCAN_SUCCEED, "succeeded") \
EM( SCAN_PMD_NULL, "pmd_null") \
EM( SCAN_PMD_NONE, "pmd_none") \
EM( SCAN_PMD_MAPPED, "page_pmd_mapped") \
EM( SCAN_EXCEED_NONE_PTE, "exceed_none_pte") \
EM( SCAN_EXCEED_SWAP_PTE, "exceed_swap_pte") \
EM( SCAN_EXCEED_SHARED_PTE, "exceed_shared_pte") \
EM( SCAN_PTE_NON_PRESENT, "pte_non_present") \
EM( SCAN_PTE_UFFD_WP, "pte_uffd_wp") \
EM( SCAN_PTE_MAPPED_HUGEPAGE, "pte_mapped_hugepage") \
EM( SCAN_PAGE_RO, "no_writable_page") \
EM( SCAN_LACK_REFERENCED_PAGE, "lack_referenced_page") \
EM( SCAN_PAGE_NULL, "page_null") \
EM( SCAN_SCAN_ABORT, "scan_aborted") \
EM( SCAN_PAGE_COUNT, "not_suitable_page_count") \
EM( SCAN_PAGE_LRU, "page_not_in_lru") \
EM( SCAN_PAGE_LOCK, "page_locked") \
EM( SCAN_PAGE_ANON, "page_not_anon") \
EM( SCAN_PAGE_COMPOUND, "page_compound") \
EM( SCAN_ANY_PROCESS, "no_process_for_page") \
EM( SCAN_VMA_NULL, "vma_null") \
EM( SCAN_VMA_CHECK, "vma_check_failed") \
EM( SCAN_ADDRESS_RANGE, "not_suitable_address_range") \
EM( SCAN_DEL_PAGE_LRU, "could_not_delete_page_from_lru")\
EM( SCAN_ALLOC_HUGE_PAGE_FAIL, "alloc_huge_page_failed") \
EM( SCAN_CGROUP_CHARGE_FAIL, "ccgroup_charge_failed") \
EM( SCAN_TRUNCATED, "truncated") \
EMe(SCAN_PAGE_HAS_PRIVATE, "page_has_private") \
#undef EM
#undef EMe
#define EM(a, b) TRACE_DEFINE_ENUM(a);
#define EMe(a, b) TRACE_DEFINE_ENUM(a);
SCAN_STATUS
#undef EM
#undef EMe
#define EM(a, b) {a, b},
#define EMe(a, b) {a, b}
TRACE_EVENT(mm_khugepaged_scan_pmd,
TP_PROTO(struct mm_struct *mm, struct page *page, bool writable,
int referenced, int none_or_zero, int status, int unmapped),
TP_ARGS(mm, page, writable, referenced, none_or_zero, status, unmapped),
TP_STRUCT__entry(
__field(struct mm_struct *, mm)
__field(unsigned long, pfn)
__field(bool, writable)
__field(int, referenced)
__field(int, none_or_zero)
__field(int, status)
__field(int, unmapped)
),
TP_fast_assign(
__entry->mm = mm;
__entry->pfn = page ? page_to_pfn(page) : -1;
__entry->writable = writable;
__entry->referenced = referenced;
__entry->none_or_zero = none_or_zero;
__entry->status = status;
__entry->unmapped = unmapped;
),
TP_printk("mm=%p, scan_pfn=0x%lx, writable=%d, referenced=%d, none_or_zero=%d, status=%s, unmapped=%d",
__entry->mm,
__entry->pfn,
__entry->writable,
__entry->referenced,
__entry->none_or_zero,
__print_symbolic(__entry->status, SCAN_STATUS),
__entry->unmapped)
);
TRACE_EVENT(mm_collapse_huge_page,
TP_PROTO(struct mm_struct *mm, int isolated, int status),
TP_ARGS(mm, isolated, status),
TP_STRUCT__entry(
__field(struct mm_struct *, mm)
__field(int, isolated)
__field(int, status)
),
TP_fast_assign(
__entry->mm = mm;
__entry->isolated = isolated;
__entry->status = status;
),
TP_printk("mm=%p, isolated=%d, status=%s",
__entry->mm,
__entry->isolated,
__print_symbolic(__entry->status, SCAN_STATUS))
);
TRACE_EVENT(mm_collapse_huge_page_isolate,
TP_PROTO(struct page *page, int none_or_zero,
int referenced, bool writable, int status),
TP_ARGS(page, none_or_zero, referenced, writable, status),
TP_STRUCT__entry(
__field(unsigned long, pfn)
__field(int, none_or_zero)
__field(int, referenced)
__field(bool, writable)
__field(int, status)
),
TP_fast_assign(
__entry->pfn = page ? page_to_pfn(page) : -1;
__entry->none_or_zero = none_or_zero;
__entry->referenced = referenced;
__entry->writable = writable;
__entry->status = status;
),
TP_printk("scan_pfn=0x%lx, none_or_zero=%d, referenced=%d, writable=%d, status=%s",
__entry->pfn,
__entry->none_or_zero,
__entry->referenced,
__entry->writable,
__print_symbolic(__entry->status, SCAN_STATUS))
);
TRACE_EVENT(mm_collapse_huge_page_swapin,
TP_PROTO(struct mm_struct *mm, int swapped_in, int referenced, int ret),
TP_ARGS(mm, swapped_in, referenced, ret),
TP_STRUCT__entry(
__field(struct mm_struct *, mm)
__field(int, swapped_in)
__field(int, referenced)
__field(int, ret)
),
TP_fast_assign(
__entry->mm = mm;
__entry->swapped_in = swapped_in;
__entry->referenced = referenced;
__entry->ret = ret;
),
TP_printk("mm=%p, swapped_in=%d, referenced=%d, ret=%d",
__entry->mm,
__entry->swapped_in,
__entry->referenced,
__entry->ret)
);
TRACE_EVENT(mm_khugepaged_scan_file,
TP_PROTO(struct mm_struct *mm, struct page *page, struct file *file,
int present, int swap, int result),
TP_ARGS(mm, page, file, present, swap, result),
TP_STRUCT__entry(
__field(struct mm_struct *, mm)
__field(unsigned long, pfn)
__string(filename, file->f_path.dentry->d_iname)
__field(int, present)
__field(int, swap)
__field(int, result)
),
TP_fast_assign(
__entry->mm = mm;
__entry->pfn = page ? page_to_pfn(page) : -1;
__assign_str(filename, file->f_path.dentry->d_iname);
__entry->present = present;
__entry->swap = swap;
__entry->result = result;
),
TP_printk("mm=%p, scan_pfn=0x%lx, filename=%s, present=%d, swap=%d, result=%s",
__entry->mm,
__entry->pfn,
__get_str(filename),
__entry->present,
__entry->swap,
__print_symbolic(__entry->result, SCAN_STATUS))
);
#endif /* __HUGE_MEMORY_H */
#include <trace/define_trace.h>
|
