1 #undef TRACE_SYSTEM 2 #define TRACE_SYSTEM huge_memory 3 4 #if !defined(__HUGE_MEMORY_H) || defined(TRACE_HEADER_MULTI_READ) 5 #define __HUGE_MEMORY_H 6 7 #include <linux/tracepoint.h> 8 9 #define SCAN_STATUS \ 10 EM( SCAN_FAIL, "failed") \ 11 EM( SCAN_SUCCEED, "succeeded") \ 12 EM( SCAN_PMD_NULL, "pmd_null") \ 13 EM( SCAN_EXCEED_NONE_PTE, "exceed_none_pte") \ 14 EM( SCAN_PTE_NON_PRESENT, "pte_non_present") \ 15 EM( SCAN_PAGE_RO, "no_writable_page") \ 16 EM( SCAN_LACK_REFERENCED_PAGE, "lack_referenced_page") \ 17 EM( SCAN_PAGE_NULL, "page_null") \ 18 EM( SCAN_SCAN_ABORT, "scan_aborted") \ 19 EM( SCAN_PAGE_COUNT, "not_suitable_page_count") \ 20 EM( SCAN_PAGE_LRU, "page_not_in_lru") \ 21 EM( SCAN_PAGE_LOCK, "page_locked") \ 22 EM( SCAN_PAGE_ANON, "page_not_anon") \ 23 EM( SCAN_PAGE_COMPOUND, "page_compound") \ 24 EM( SCAN_ANY_PROCESS, "no_process_for_page") \ 25 EM( SCAN_VMA_NULL, "vma_null") \ 26 EM( SCAN_VMA_CHECK, "vma_check_failed") \ 27 EM( SCAN_ADDRESS_RANGE, "not_suitable_address_range") \ 28 EM( SCAN_SWAP_CACHE_PAGE, "page_swap_cache") \ 29 EM( SCAN_DEL_PAGE_LRU, "could_not_delete_page_from_lru")\ 30 EM( SCAN_ALLOC_HUGE_PAGE_FAIL, "alloc_huge_page_failed") \ 31 EM( SCAN_CGROUP_CHARGE_FAIL, "ccgroup_charge_failed") \ 32 EM( SCAN_EXCEED_SWAP_PTE, "exceed_swap_pte") \ 33 EMe(SCAN_TRUNCATED, "truncated") \ 34 35 #undef EM 36 #undef EMe 37 #define EM(a, b) TRACE_DEFINE_ENUM(a); 38 #define EMe(a, b) TRACE_DEFINE_ENUM(a); 39 40 SCAN_STATUS 41 42 #undef EM 43 #undef EMe 44 #define EM(a, b) {a, b}, 45 #define EMe(a, b) {a, b} 46 47 TRACE_EVENT(mm_khugepaged_scan_pmd, 48 49 TP_PROTO(struct mm_struct *mm, struct page *page, bool writable, 50 int referenced, int none_or_zero, int status, int unmapped), 51 52 TP_ARGS(mm, page, writable, referenced, none_or_zero, status, unmapped), 53 54 TP_STRUCT__entry( 55 __field(struct mm_struct *, mm) 56 __field(unsigned long, pfn) 57 __field(bool, writable) 58 __field(int, referenced) 59 __field(int, none_or_zero) 60 __field(int, status) 61 __field(int, unmapped) 62 ), 63 64 TP_fast_assign( 65 __entry->mm = mm; 66 __entry->pfn = page ? page_to_pfn(page) : -1; 67 __entry->writable = writable; 68 __entry->referenced = referenced; 69 __entry->none_or_zero = none_or_zero; 70 __entry->status = status; 71 __entry->unmapped = unmapped; 72 ), 73 74 TP_printk("mm=%p, scan_pfn=0x%lx, writable=%d, referenced=%d, none_or_zero=%d, status=%s, unmapped=%d", 75 __entry->mm, 76 __entry->pfn, 77 __entry->writable, 78 __entry->referenced, 79 __entry->none_or_zero, 80 __print_symbolic(__entry->status, SCAN_STATUS), 81 __entry->unmapped) 82 ); 83 84 TRACE_EVENT(mm_collapse_huge_page, 85 86 TP_PROTO(struct mm_struct *mm, int isolated, int status), 87 88 TP_ARGS(mm, isolated, status), 89 90 TP_STRUCT__entry( 91 __field(struct mm_struct *, mm) 92 __field(int, isolated) 93 __field(int, status) 94 ), 95 96 TP_fast_assign( 97 __entry->mm = mm; 98 __entry->isolated = isolated; 99 __entry->status = status; 100 ), 101 102 TP_printk("mm=%p, isolated=%d, status=%s", 103 __entry->mm, 104 __entry->isolated, 105 __print_symbolic(__entry->status, SCAN_STATUS)) 106 ); 107 108 TRACE_EVENT(mm_collapse_huge_page_isolate, 109 110 TP_PROTO(struct page *page, int none_or_zero, 111 int referenced, bool writable, int status), 112 113 TP_ARGS(page, none_or_zero, referenced, writable, status), 114 115 TP_STRUCT__entry( 116 __field(unsigned long, pfn) 117 __field(int, none_or_zero) 118 __field(int, referenced) 119 __field(bool, writable) 120 __field(int, status) 121 ), 122 123 TP_fast_assign( 124 __entry->pfn = page ? page_to_pfn(page) : -1; 125 __entry->none_or_zero = none_or_zero; 126 __entry->referenced = referenced; 127 __entry->writable = writable; 128 __entry->status = status; 129 ), 130 131 TP_printk("scan_pfn=0x%lx, none_or_zero=%d, referenced=%d, writable=%d, status=%s", 132 __entry->pfn, 133 __entry->none_or_zero, 134 __entry->referenced, 135 __entry->writable, 136 __print_symbolic(__entry->status, SCAN_STATUS)) 137 ); 138 139 TRACE_EVENT(mm_collapse_huge_page_swapin, 140 141 TP_PROTO(struct mm_struct *mm, int swapped_in, int referenced, int ret), 142 143 TP_ARGS(mm, swapped_in, referenced, ret), 144 145 TP_STRUCT__entry( 146 __field(struct mm_struct *, mm) 147 __field(int, swapped_in) 148 __field(int, referenced) 149 __field(int, ret) 150 ), 151 152 TP_fast_assign( 153 __entry->mm = mm; 154 __entry->swapped_in = swapped_in; 155 __entry->referenced = referenced; 156 __entry->ret = ret; 157 ), 158 159 TP_printk("mm=%p, swapped_in=%d, referenced=%d, ret=%d", 160 __entry->mm, 161 __entry->swapped_in, 162 __entry->referenced, 163 __entry->ret) 164 ); 165 166 #endif /* __HUGE_MEMORY_H */ 167 #include <trace/define_trace.h> 168