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