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_NO_PTE_TABLE, "no_pte_table") \ 14 EM( SCAN_PMD_MAPPED, "page_pmd_mapped") \ 15 EM( SCAN_EXCEED_NONE_PTE, "exceed_none_pte") \ 16 EM( SCAN_EXCEED_SWAP_PTE, "exceed_swap_pte") \ 17 EM( SCAN_EXCEED_SHARED_PTE, "exceed_shared_pte") \ 18 EM( SCAN_PTE_NON_PRESENT, "pte_non_present") \ 19 EM( SCAN_PTE_UFFD_WP, "pte_uffd_wp") \ 20 EM( SCAN_PTE_MAPPED_HUGEPAGE, "pte_mapped_hugepage") \ 21 EM( SCAN_LACK_REFERENCED_PAGE, "lack_referenced_page") \ 22 EM( SCAN_PAGE_NULL, "page_null") \ 23 EM( SCAN_SCAN_ABORT, "scan_aborted") \ 24 EM( SCAN_PAGE_COUNT, "not_suitable_page_count") \ 25 EM( SCAN_PAGE_LRU, "page_not_in_lru") \ 26 EM( SCAN_PAGE_LOCK, "page_locked") \ 27 EM( SCAN_PAGE_ANON, "page_not_anon") \ 28 EM( SCAN_PAGE_LAZYFREE, "page_lazyfree") \ 29 EM( SCAN_PAGE_COMPOUND, "page_compound") \ 30 EM( SCAN_ANY_PROCESS, "no_process_for_page") \ 31 EM( SCAN_VMA_NULL, "vma_null") \ 32 EM( SCAN_VMA_CHECK, "vma_check_failed") \ 33 EM( SCAN_ADDRESS_RANGE, "not_suitable_address_range") \ 34 EM( SCAN_DEL_PAGE_LRU, "could_not_delete_page_from_lru")\ 35 EM( SCAN_ALLOC_HUGE_PAGE_FAIL, "alloc_huge_page_failed") \ 36 EM( SCAN_CGROUP_CHARGE_FAIL, "ccgroup_charge_failed") \ 37 EM( SCAN_TRUNCATED, "truncated") \ 38 EM( SCAN_PAGE_HAS_PRIVATE, "page_has_private") \ 39 EM( SCAN_STORE_FAILED, "store_failed") \ 40 EM( SCAN_COPY_MC, "copy_poisoned_page") \ 41 EM( SCAN_PAGE_FILLED, "page_filled") \ 42 EMe(SCAN_PAGE_DIRTY_OR_WRITEBACK, "page_dirty_or_writeback") 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 folio *folio, 59 int referenced, int none_or_zero, int status, int unmapped), 60 61 TP_ARGS(mm, folio, referenced, none_or_zero, status, unmapped), 62 63 TP_STRUCT__entry( 64 __field(struct mm_struct *, mm) 65 __field(unsigned long, pfn) 66 __field(int, referenced) 67 __field(int, none_or_zero) 68 __field(int, status) 69 __field(int, unmapped) 70 ), 71 72 TP_fast_assign( 73 __entry->mm = mm; 74 __entry->pfn = folio ? folio_pfn(folio) : -1; 75 __entry->referenced = referenced; 76 __entry->none_or_zero = none_or_zero; 77 __entry->status = status; 78 __entry->unmapped = unmapped; 79 ), 80 81 TP_printk("mm=%p, scan_pfn=0x%lx, referenced=%d, none_or_zero=%d, status=%s, unmapped=%d", 82 __entry->mm, 83 __entry->pfn, 84 __entry->referenced, 85 __entry->none_or_zero, 86 __print_symbolic(__entry->status, SCAN_STATUS), 87 __entry->unmapped) 88 ); 89 90 TRACE_EVENT(mm_collapse_huge_page, 91 92 TP_PROTO(struct mm_struct *mm, int isolated, int status), 93 94 TP_ARGS(mm, isolated, status), 95 96 TP_STRUCT__entry( 97 __field(struct mm_struct *, mm) 98 __field(int, isolated) 99 __field(int, status) 100 ), 101 102 TP_fast_assign( 103 __entry->mm = mm; 104 __entry->isolated = isolated; 105 __entry->status = status; 106 ), 107 108 TP_printk("mm=%p, isolated=%d, status=%s", 109 __entry->mm, 110 __entry->isolated, 111 __print_symbolic(__entry->status, SCAN_STATUS)) 112 ); 113 114 TRACE_EVENT(mm_collapse_huge_page_isolate, 115 116 TP_PROTO(struct folio *folio, int none_or_zero, 117 int referenced, int status), 118 119 TP_ARGS(folio, none_or_zero, referenced, status), 120 121 TP_STRUCT__entry( 122 __field(unsigned long, pfn) 123 __field(int, none_or_zero) 124 __field(int, referenced) 125 __field(int, status) 126 ), 127 128 TP_fast_assign( 129 __entry->pfn = folio ? folio_pfn(folio) : -1; 130 __entry->none_or_zero = none_or_zero; 131 __entry->referenced = referenced; 132 __entry->status = status; 133 ), 134 135 TP_printk("scan_pfn=0x%lx, none_or_zero=%d, referenced=%d, status=%s", 136 __entry->pfn, 137 __entry->none_or_zero, 138 __entry->referenced, 139 __print_symbolic(__entry->status, SCAN_STATUS)) 140 ); 141 142 TRACE_EVENT(mm_collapse_huge_page_swapin, 143 144 TP_PROTO(struct mm_struct *mm, int swapped_in, int referenced, int ret), 145 146 TP_ARGS(mm, swapped_in, referenced, ret), 147 148 TP_STRUCT__entry( 149 __field(struct mm_struct *, mm) 150 __field(int, swapped_in) 151 __field(int, referenced) 152 __field(int, ret) 153 ), 154 155 TP_fast_assign( 156 __entry->mm = mm; 157 __entry->swapped_in = swapped_in; 158 __entry->referenced = referenced; 159 __entry->ret = ret; 160 ), 161 162 TP_printk("mm=%p, swapped_in=%d, referenced=%d, ret=%d", 163 __entry->mm, 164 __entry->swapped_in, 165 __entry->referenced, 166 __entry->ret) 167 ); 168 169 TRACE_EVENT(mm_khugepaged_scan_file, 170 171 TP_PROTO(struct mm_struct *mm, struct folio *folio, struct file *file, 172 int present, int swap, int result), 173 174 TP_ARGS(mm, folio, file, present, swap, result), 175 176 TP_STRUCT__entry( 177 __field(struct mm_struct *, mm) 178 __field(unsigned long, pfn) 179 __string(filename, file->f_path.dentry->d_iname) 180 __field(int, present) 181 __field(int, swap) 182 __field(int, result) 183 ), 184 185 TP_fast_assign( 186 __entry->mm = mm; 187 __entry->pfn = folio ? folio_pfn(folio) : -1; 188 __assign_str(filename); 189 __entry->present = present; 190 __entry->swap = swap; 191 __entry->result = result; 192 ), 193 194 TP_printk("mm=%p, scan_pfn=0x%lx, filename=%s, present=%d, swap=%d, result=%s", 195 __entry->mm, 196 __entry->pfn, 197 __get_str(filename), 198 __entry->present, 199 __entry->swap, 200 __print_symbolic(__entry->result, SCAN_STATUS)) 201 ); 202 203 TRACE_EVENT(mm_khugepaged_collapse_file, 204 TP_PROTO(struct mm_struct *mm, struct folio *new_folio, pgoff_t index, 205 unsigned long addr, bool is_shmem, struct file *file, 206 int nr, int result), 207 TP_ARGS(mm, new_folio, index, addr, is_shmem, file, nr, result), 208 TP_STRUCT__entry( 209 __field(struct mm_struct *, mm) 210 __field(unsigned long, hpfn) 211 __field(pgoff_t, index) 212 __field(unsigned long, addr) 213 __field(bool, is_shmem) 214 __string(filename, file->f_path.dentry->d_iname) 215 __field(int, nr) 216 __field(int, result) 217 ), 218 219 TP_fast_assign( 220 __entry->mm = mm; 221 __entry->hpfn = new_folio ? folio_pfn(new_folio) : -1; 222 __entry->index = index; 223 __entry->addr = addr; 224 __entry->is_shmem = is_shmem; 225 __assign_str(filename); 226 __entry->nr = nr; 227 __entry->result = result; 228 ), 229 230 TP_printk("mm=%p, hpage_pfn=0x%lx, index=%ld, addr=%lx, is_shmem=%d, filename=%s, nr=%d, result=%s", 231 __entry->mm, 232 __entry->hpfn, 233 __entry->index, 234 __entry->addr, 235 __entry->is_shmem, 236 __get_str(filename), 237 __entry->nr, 238 __print_symbolic(__entry->result, SCAN_STATUS)) 239 ); 240 241 TRACE_EVENT(mm_khugepaged_scan, 242 243 TP_PROTO(struct mm_struct *mm, unsigned int progress, 244 bool full_scan_finished), 245 246 TP_ARGS(mm, progress, full_scan_finished), 247 248 TP_STRUCT__entry( 249 __field(struct mm_struct *, mm) 250 __field(unsigned int, progress) 251 __field(bool, full_scan_finished) 252 ), 253 254 TP_fast_assign( 255 __entry->mm = mm; 256 __entry->progress = progress; 257 __entry->full_scan_finished = full_scan_finished; 258 ), 259 260 TP_printk("mm=%p, progress=%u, full_scan_finished=%d", 261 __entry->mm, 262 __entry->progress, 263 __entry->full_scan_finished) 264 ); 265 266 #endif /* __HUGE_MEMORY_H */ 267 #include <trace/define_trace.h> 268