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_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 EM( SCAN_TRUNCATED, "truncated") \ 35 EMe(SCAN_PAGE_HAS_PRIVATE, "page_has_private") \ 36 37 #undef EM 38 #undef EMe 39 #define EM(a, b) TRACE_DEFINE_ENUM(a); 40 #define EMe(a, b) TRACE_DEFINE_ENUM(a); 41 42 SCAN_STATUS 43 44 #undef EM 45 #undef EMe 46 #define EM(a, b) {a, b}, 47 #define EMe(a, b) {a, b} 48 49 TRACE_EVENT(mm_khugepaged_scan_pmd, 50 51 TP_PROTO(struct mm_struct *mm, struct page *page, bool writable, 52 int referenced, int none_or_zero, int status, int unmapped), 53 54 TP_ARGS(mm, page, writable, referenced, none_or_zero, status, unmapped), 55 56 TP_STRUCT__entry( 57 __field(struct mm_struct *, mm) 58 __field(unsigned long, pfn) 59 __field(bool, writable) 60 __field(int, referenced) 61 __field(int, none_or_zero) 62 __field(int, status) 63 __field(int, unmapped) 64 ), 65 66 TP_fast_assign( 67 __entry->mm = mm; 68 __entry->pfn = page ? page_to_pfn(page) : -1; 69 __entry->writable = writable; 70 __entry->referenced = referenced; 71 __entry->none_or_zero = none_or_zero; 72 __entry->status = status; 73 __entry->unmapped = unmapped; 74 ), 75 76 TP_printk("mm=%p, scan_pfn=0x%lx, writable=%d, referenced=%d, none_or_zero=%d, status=%s, unmapped=%d", 77 __entry->mm, 78 __entry->pfn, 79 __entry->writable, 80 __entry->referenced, 81 __entry->none_or_zero, 82 __print_symbolic(__entry->status, SCAN_STATUS), 83 __entry->unmapped) 84 ); 85 86 TRACE_EVENT(mm_collapse_huge_page, 87 88 TP_PROTO(struct mm_struct *mm, int isolated, int status), 89 90 TP_ARGS(mm, isolated, status), 91 92 TP_STRUCT__entry( 93 __field(struct mm_struct *, mm) 94 __field(int, isolated) 95 __field(int, status) 96 ), 97 98 TP_fast_assign( 99 __entry->mm = mm; 100 __entry->isolated = isolated; 101 __entry->status = status; 102 ), 103 104 TP_printk("mm=%p, isolated=%d, status=%s", 105 __entry->mm, 106 __entry->isolated, 107 __print_symbolic(__entry->status, SCAN_STATUS)) 108 ); 109 110 TRACE_EVENT(mm_collapse_huge_page_isolate, 111 112 TP_PROTO(struct page *page, int none_or_zero, 113 int referenced, bool writable, int status), 114 115 TP_ARGS(page, none_or_zero, referenced, writable, status), 116 117 TP_STRUCT__entry( 118 __field(unsigned long, pfn) 119 __field(int, none_or_zero) 120 __field(int, referenced) 121 __field(bool, writable) 122 __field(int, status) 123 ), 124 125 TP_fast_assign( 126 __entry->pfn = page ? page_to_pfn(page) : -1; 127 __entry->none_or_zero = none_or_zero; 128 __entry->referenced = referenced; 129 __entry->writable = writable; 130 __entry->status = status; 131 ), 132 133 TP_printk("scan_pfn=0x%lx, none_or_zero=%d, referenced=%d, writable=%d, status=%s", 134 __entry->pfn, 135 __entry->none_or_zero, 136 __entry->referenced, 137 __entry->writable, 138 __print_symbolic(__entry->status, SCAN_STATUS)) 139 ); 140 141 TRACE_EVENT(mm_collapse_huge_page_swapin, 142 143 TP_PROTO(struct mm_struct *mm, int swapped_in, int referenced, int ret), 144 145 TP_ARGS(mm, swapped_in, referenced, ret), 146 147 TP_STRUCT__entry( 148 __field(struct mm_struct *, mm) 149 __field(int, swapped_in) 150 __field(int, referenced) 151 __field(int, ret) 152 ), 153 154 TP_fast_assign( 155 __entry->mm = mm; 156 __entry->swapped_in = swapped_in; 157 __entry->referenced = referenced; 158 __entry->ret = ret; 159 ), 160 161 TP_printk("mm=%p, swapped_in=%d, referenced=%d, ret=%d", 162 __entry->mm, 163 __entry->swapped_in, 164 __entry->referenced, 165 __entry->ret) 166 ); 167 168 #endif /* __HUGE_MEMORY_H */ 169 #include <trace/define_trace.h> 170