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_EXCEED_NONE_PTE, "exceed_none_pte") \ 15 EM( SCAN_EXCEED_SWAP_PTE, "exceed_swap_pte") \ 16 EM( SCAN_EXCEED_SHARED_PTE, "exceed_shared_pte") \ 17 EM( SCAN_PTE_NON_PRESENT, "pte_non_present") \ 18 EM( SCAN_PTE_UFFD_WP, "pte_uffd_wp") \ 19 EM( SCAN_PAGE_RO, "no_writable_page") \ 20 EM( SCAN_LACK_REFERENCED_PAGE, "lack_referenced_page") \ 21 EM( SCAN_PAGE_NULL, "page_null") \ 22 EM( SCAN_SCAN_ABORT, "scan_aborted") \ 23 EM( SCAN_PAGE_COUNT, "not_suitable_page_count") \ 24 EM( SCAN_PAGE_LRU, "page_not_in_lru") \ 25 EM( SCAN_PAGE_LOCK, "page_locked") \ 26 EM( SCAN_PAGE_ANON, "page_not_anon") \ 27 EM( SCAN_PAGE_COMPOUND, "page_compound") \ 28 EM( SCAN_ANY_PROCESS, "no_process_for_page") \ 29 EM( SCAN_VMA_NULL, "vma_null") \ 30 EM( SCAN_VMA_CHECK, "vma_check_failed") \ 31 EM( SCAN_ADDRESS_RANGE, "not_suitable_address_range") \ 32 EM( SCAN_SWAP_CACHE_PAGE, "page_swap_cache") \ 33 EM( SCAN_DEL_PAGE_LRU, "could_not_delete_page_from_lru")\ 34 EM( SCAN_ALLOC_HUGE_PAGE_FAIL, "alloc_huge_page_failed") \ 35 EM( SCAN_CGROUP_CHARGE_FAIL, "ccgroup_charge_failed") \ 36 EM( SCAN_TRUNCATED, "truncated") \ 37 EMe(SCAN_PAGE_HAS_PRIVATE, "page_has_private") \ 38 39 #undef EM 40 #undef EMe 41 #define EM(a, b) TRACE_DEFINE_ENUM(a); 42 #define EMe(a, b) TRACE_DEFINE_ENUM(a); 43 44 SCAN_STATUS 45 46 #undef EM 47 #undef EMe 48 #define EM(a, b) {a, b}, 49 #define EMe(a, b) {a, b} 50 51 TRACE_EVENT(mm_khugepaged_scan_pmd, 52 53 TP_PROTO(struct mm_struct *mm, struct page *page, bool writable, 54 int referenced, int none_or_zero, int status, int unmapped), 55 56 TP_ARGS(mm, page, writable, referenced, none_or_zero, status, unmapped), 57 58 TP_STRUCT__entry( 59 __field(struct mm_struct *, mm) 60 __field(unsigned long, pfn) 61 __field(bool, writable) 62 __field(int, referenced) 63 __field(int, none_or_zero) 64 __field(int, status) 65 __field(int, unmapped) 66 ), 67 68 TP_fast_assign( 69 __entry->mm = mm; 70 __entry->pfn = page ? page_to_pfn(page) : -1; 71 __entry->writable = writable; 72 __entry->referenced = referenced; 73 __entry->none_or_zero = none_or_zero; 74 __entry->status = status; 75 __entry->unmapped = unmapped; 76 ), 77 78 TP_printk("mm=%p, scan_pfn=0x%lx, writable=%d, referenced=%d, none_or_zero=%d, status=%s, unmapped=%d", 79 __entry->mm, 80 __entry->pfn, 81 __entry->writable, 82 __entry->referenced, 83 __entry->none_or_zero, 84 __print_symbolic(__entry->status, SCAN_STATUS), 85 __entry->unmapped) 86 ); 87 88 TRACE_EVENT(mm_collapse_huge_page, 89 90 TP_PROTO(struct mm_struct *mm, int isolated, int status), 91 92 TP_ARGS(mm, isolated, status), 93 94 TP_STRUCT__entry( 95 __field(struct mm_struct *, mm) 96 __field(int, isolated) 97 __field(int, status) 98 ), 99 100 TP_fast_assign( 101 __entry->mm = mm; 102 __entry->isolated = isolated; 103 __entry->status = status; 104 ), 105 106 TP_printk("mm=%p, isolated=%d, status=%s", 107 __entry->mm, 108 __entry->isolated, 109 __print_symbolic(__entry->status, SCAN_STATUS)) 110 ); 111 112 TRACE_EVENT(mm_collapse_huge_page_isolate, 113 114 TP_PROTO(struct page *page, int none_or_zero, 115 int referenced, bool writable, int status), 116 117 TP_ARGS(page, none_or_zero, referenced, writable, status), 118 119 TP_STRUCT__entry( 120 __field(unsigned long, pfn) 121 __field(int, none_or_zero) 122 __field(int, referenced) 123 __field(bool, writable) 124 __field(int, status) 125 ), 126 127 TP_fast_assign( 128 __entry->pfn = page ? page_to_pfn(page) : -1; 129 __entry->none_or_zero = none_or_zero; 130 __entry->referenced = referenced; 131 __entry->writable = writable; 132 __entry->status = status; 133 ), 134 135 TP_printk("scan_pfn=0x%lx, none_or_zero=%d, referenced=%d, writable=%d, status=%s", 136 __entry->pfn, 137 __entry->none_or_zero, 138 __entry->referenced, 139 __entry->writable, 140 __print_symbolic(__entry->status, SCAN_STATUS)) 141 ); 142 143 TRACE_EVENT(mm_collapse_huge_page_swapin, 144 145 TP_PROTO(struct mm_struct *mm, int swapped_in, int referenced, int ret), 146 147 TP_ARGS(mm, swapped_in, referenced, ret), 148 149 TP_STRUCT__entry( 150 __field(struct mm_struct *, mm) 151 __field(int, swapped_in) 152 __field(int, referenced) 153 __field(int, ret) 154 ), 155 156 TP_fast_assign( 157 __entry->mm = mm; 158 __entry->swapped_in = swapped_in; 159 __entry->referenced = referenced; 160 __entry->ret = ret; 161 ), 162 163 TP_printk("mm=%p, swapped_in=%d, referenced=%d, ret=%d", 164 __entry->mm, 165 __entry->swapped_in, 166 __entry->referenced, 167 __entry->ret) 168 ); 169 170 #endif /* __HUGE_MEMORY_H */ 171 #include <trace/define_trace.h> 172