1 /* SPDX-License-Identifier: GPL-2.0 */
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_PMD_NONE, "pmd_none") \
15 EM( SCAN_PMD_MAPPED, "page_pmd_mapped") \
16 EM( SCAN_EXCEED_NONE_PTE, "exceed_none_pte") \
17 EM( SCAN_EXCEED_SWAP_PTE, "exceed_swap_pte") \
18 EM( SCAN_EXCEED_SHARED_PTE, "exceed_shared_pte") \
19 EM( SCAN_PTE_NON_PRESENT, "pte_non_present") \
20 EM( SCAN_PTE_UFFD_WP, "pte_uffd_wp") \
21 EM( SCAN_PTE_MAPPED_HUGEPAGE, "pte_mapped_hugepage") \
22 EM( SCAN_PAGE_RO, "no_writable_page") \
23 EM( SCAN_LACK_REFERENCED_PAGE, "lack_referenced_page") \
24 EM( SCAN_PAGE_NULL, "page_null") \
25 EM( SCAN_SCAN_ABORT, "scan_aborted") \
26 EM( SCAN_PAGE_COUNT, "not_suitable_page_count") \
27 EM( SCAN_PAGE_LRU, "page_not_in_lru") \
28 EM( SCAN_PAGE_LOCK, "page_locked") \
29 EM( SCAN_PAGE_ANON, "page_not_anon") \
30 EM( SCAN_PAGE_COMPOUND, "page_compound") \
31 EM( SCAN_ANY_PROCESS, "no_process_for_page") \
32 EM( SCAN_VMA_NULL, "vma_null") \
33 EM( SCAN_VMA_CHECK, "vma_check_failed") \
34 EM( SCAN_ADDRESS_RANGE, "not_suitable_address_range") \
35 EM( SCAN_DEL_PAGE_LRU, "could_not_delete_page_from_lru")\
36 EM( SCAN_ALLOC_HUGE_PAGE_FAIL, "alloc_huge_page_failed") \
37 EM( SCAN_CGROUP_CHARGE_FAIL, "ccgroup_charge_failed") \
38 EM( SCAN_TRUNCATED, "truncated") \
39 EM( SCAN_PAGE_HAS_PRIVATE, "page_has_private") \
40 EM( SCAN_STORE_FAILED, "store_failed") \
41 EM( SCAN_COPY_MC, "copy_poisoned_page") \
42 EMe(SCAN_PAGE_FILLED, "page_filled")
43
44 #undef EM
45 #undef EMe
46 #define EM(a, b) TRACE_DEFINE_ENUM(a);
47 #define EMe(a, b) TRACE_DEFINE_ENUM(a);
48
49 SCAN_STATUS
50
51 #undef EM
52 #undef EMe
53 #define EM(a, b) {a, b},
54 #define EMe(a, b) {a, b}
55
56 TRACE_EVENT(mm_khugepaged_scan_pmd,
57
58 TP_PROTO(struct mm_struct *mm, struct page *page, bool writable,
59 int referenced, int none_or_zero, int status, int unmapped),
60
61 TP_ARGS(mm, page, writable, referenced, none_or_zero, status, unmapped),
62
63 TP_STRUCT__entry(
64 __field(struct mm_struct *, mm)
65 __field(unsigned long, pfn)
66 __field(bool, writable)
67 __field(int, referenced)
68 __field(int, none_or_zero)
69 __field(int, status)
70 __field(int, unmapped)
71 ),
72
73 TP_fast_assign(
74 __entry->mm = mm;
75 __entry->pfn = page ? page_to_pfn(page) : -1;
76 __entry->writable = writable;
77 __entry->referenced = referenced;
78 __entry->none_or_zero = none_or_zero;
79 __entry->status = status;
80 __entry->unmapped = unmapped;
81 ),
82
83 TP_printk("mm=%p, scan_pfn=0x%lx, writable=%d, referenced=%d, none_or_zero=%d, status=%s, unmapped=%d",
84 __entry->mm,
85 __entry->pfn,
86 __entry->writable,
87 __entry->referenced,
88 __entry->none_or_zero,
89 __print_symbolic(__entry->status, SCAN_STATUS),
90 __entry->unmapped)
91 );
92
93 TRACE_EVENT(mm_collapse_huge_page,
94
95 TP_PROTO(struct mm_struct *mm, int isolated, int status),
96
97 TP_ARGS(mm, isolated, status),
98
99 TP_STRUCT__entry(
100 __field(struct mm_struct *, mm)
101 __field(int, isolated)
102 __field(int, status)
103 ),
104
105 TP_fast_assign(
106 __entry->mm = mm;
107 __entry->isolated = isolated;
108 __entry->status = status;
109 ),
110
111 TP_printk("mm=%p, isolated=%d, status=%s",
112 __entry->mm,
113 __entry->isolated,
114 __print_symbolic(__entry->status, SCAN_STATUS))
115 );
116
117 TRACE_EVENT(mm_collapse_huge_page_isolate,
118
119 TP_PROTO(struct page *page, int none_or_zero,
120 int referenced, bool writable, int status),
121
122 TP_ARGS(page, none_or_zero, referenced, writable, status),
123
124 TP_STRUCT__entry(
125 __field(unsigned long, pfn)
126 __field(int, none_or_zero)
127 __field(int, referenced)
128 __field(bool, writable)
129 __field(int, status)
130 ),
131
132 TP_fast_assign(
133 __entry->pfn = page ? page_to_pfn(page) : -1;
134 __entry->none_or_zero = none_or_zero;
135 __entry->referenced = referenced;
136 __entry->writable = writable;
137 __entry->status = status;
138 ),
139
140 TP_printk("scan_pfn=0x%lx, none_or_zero=%d, referenced=%d, writable=%d, status=%s",
141 __entry->pfn,
142 __entry->none_or_zero,
143 __entry->referenced,
144 __entry->writable,
145 __print_symbolic(__entry->status, SCAN_STATUS))
146 );
147
148 TRACE_EVENT(mm_collapse_huge_page_swapin,
149
150 TP_PROTO(struct mm_struct *mm, int swapped_in, int referenced, int ret),
151
152 TP_ARGS(mm, swapped_in, referenced, ret),
153
154 TP_STRUCT__entry(
155 __field(struct mm_struct *, mm)
156 __field(int, swapped_in)
157 __field(int, referenced)
158 __field(int, ret)
159 ),
160
161 TP_fast_assign(
162 __entry->mm = mm;
163 __entry->swapped_in = swapped_in;
164 __entry->referenced = referenced;
165 __entry->ret = ret;
166 ),
167
168 TP_printk("mm=%p, swapped_in=%d, referenced=%d, ret=%d",
169 __entry->mm,
170 __entry->swapped_in,
171 __entry->referenced,
172 __entry->ret)
173 );
174
175 TRACE_EVENT(mm_khugepaged_scan_file,
176
177 TP_PROTO(struct mm_struct *mm, struct folio *folio, struct file *file,
178 int present, int swap, int result),
179
180 TP_ARGS(mm, folio, file, present, swap, result),
181
182 TP_STRUCT__entry(
183 __field(struct mm_struct *, mm)
184 __field(unsigned long, pfn)
185 __string(filename, file->f_path.dentry->d_iname)
186 __field(int, present)
187 __field(int, swap)
188 __field(int, result)
189 ),
190
191 TP_fast_assign(
192 __entry->mm = mm;
193 __entry->pfn = folio ? folio_pfn(folio) : -1;
194 __assign_str(filename);
195 __entry->present = present;
196 __entry->swap = swap;
197 __entry->result = result;
198 ),
199
200 TP_printk("mm=%p, scan_pfn=0x%lx, filename=%s, present=%d, swap=%d, result=%s",
201 __entry->mm,
202 __entry->pfn,
203 __get_str(filename),
204 __entry->present,
205 __entry->swap,
206 __print_symbolic(__entry->result, SCAN_STATUS))
207 );
208
209 TRACE_EVENT(mm_khugepaged_collapse_file,
210 TP_PROTO(struct mm_struct *mm, struct folio *new_folio, pgoff_t index,
211 unsigned long addr, bool is_shmem, struct file *file,
212 int nr, int result),
213 TP_ARGS(mm, new_folio, index, addr, is_shmem, file, nr, result),
214 TP_STRUCT__entry(
215 __field(struct mm_struct *, mm)
216 __field(unsigned long, hpfn)
217 __field(pgoff_t, index)
218 __field(unsigned long, addr)
219 __field(bool, is_shmem)
220 __string(filename, file->f_path.dentry->d_iname)
221 __field(int, nr)
222 __field(int, result)
223 ),
224
225 TP_fast_assign(
226 __entry->mm = mm;
227 __entry->hpfn = new_folio ? folio_pfn(new_folio) : -1;
228 __entry->index = index;
229 __entry->addr = addr;
230 __entry->is_shmem = is_shmem;
231 __assign_str(filename);
232 __entry->nr = nr;
233 __entry->result = result;
234 ),
235
236 TP_printk("mm=%p, hpage_pfn=0x%lx, index=%ld, addr=%lx, is_shmem=%d, filename=%s, nr=%d, result=%s",
237 __entry->mm,
238 __entry->hpfn,
239 __entry->index,
240 __entry->addr,
241 __entry->is_shmem,
242 __get_str(filename),
243 __entry->nr,
244 __print_symbolic(__entry->result, SCAN_STATUS))
245 );
246
247 #endif /* __HUGE_MEMORY_H */
248 #include <trace/define_trace.h>
249
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