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 #include <trace/events/gfpflags.h> 10 11 #define SCAN_STATUS \ 12 EM( SCAN_FAIL, "failed") \ 13 EM( SCAN_SUCCEED, "succeeded") \ 14 EM( SCAN_PMD_NULL, "pmd_null") \ 15 EM( SCAN_EXCEED_NONE_PTE, "exceed_none_pte") \ 16 EM( SCAN_PTE_NON_PRESENT, "pte_non_present") \ 17 EM( SCAN_PAGE_RO, "no_writable_page") \ 18 EM( SCAN_NO_REFERENCED_PAGE, "no_referenced_page") \ 19 EM( SCAN_PAGE_NULL, "page_null") \ 20 EM( SCAN_SCAN_ABORT, "scan_aborted") \ 21 EM( SCAN_PAGE_COUNT, "not_suitable_page_count") \ 22 EM( SCAN_PAGE_LRU, "page_not_in_lru") \ 23 EM( SCAN_PAGE_LOCK, "page_locked") \ 24 EM( SCAN_PAGE_ANON, "page_not_anon") \ 25 EM( SCAN_PAGE_COMPOUND, "page_compound") \ 26 EM( SCAN_ANY_PROCESS, "no_process_for_page") \ 27 EM( SCAN_VMA_NULL, "vma_null") \ 28 EM( SCAN_VMA_CHECK, "vma_check_failed") \ 29 EM( SCAN_ADDRESS_RANGE, "not_suitable_address_range") \ 30 EM( SCAN_SWAP_CACHE_PAGE, "page_swap_cache") \ 31 EM( SCAN_DEL_PAGE_LRU, "could_not_delete_page_from_lru")\ 32 EM( SCAN_ALLOC_HUGE_PAGE_FAIL, "alloc_huge_page_failed") \ 33 EMe( SCAN_CGROUP_CHARGE_FAIL, "ccgroup_charge_failed") 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 bool referenced, int none_or_zero, int status), 51 52 TP_ARGS(mm, page, writable, referenced, none_or_zero, status), 53 54 TP_STRUCT__entry( 55 __field(struct mm_struct *, mm) 56 __field(unsigned long, pfn) 57 __field(bool, writable) 58 __field(bool, referenced) 59 __field(int, none_or_zero) 60 __field(int, status) 61 ), 62 63 TP_fast_assign( 64 __entry->mm = mm; 65 __entry->pfn = page ? page_to_pfn(page) : -1; 66 __entry->writable = writable; 67 __entry->referenced = referenced; 68 __entry->none_or_zero = none_or_zero; 69 __entry->status = status; 70 ), 71 72 TP_printk("mm=%p, scan_pfn=0x%lx, writable=%d, referenced=%d, none_or_zero=%d, status=%s", 73 __entry->mm, 74 __entry->pfn, 75 __entry->writable, 76 __entry->referenced, 77 __entry->none_or_zero, 78 __print_symbolic(__entry->status, SCAN_STATUS)) 79 ); 80 81 TRACE_EVENT(mm_collapse_huge_page, 82 83 TP_PROTO(struct mm_struct *mm, int isolated, int status), 84 85 TP_ARGS(mm, isolated, status), 86 87 TP_STRUCT__entry( 88 __field(struct mm_struct *, mm) 89 __field(int, isolated) 90 __field(int, status) 91 ), 92 93 TP_fast_assign( 94 __entry->mm = mm; 95 __entry->isolated = isolated; 96 __entry->status = status; 97 ), 98 99 TP_printk("mm=%p, isolated=%d, status=%s", 100 __entry->mm, 101 __entry->isolated, 102 __print_symbolic(__entry->status, SCAN_STATUS)) 103 ); 104 105 TRACE_EVENT(mm_collapse_huge_page_isolate, 106 107 TP_PROTO(struct page *page, int none_or_zero, 108 bool referenced, bool writable, int status), 109 110 TP_ARGS(page, none_or_zero, referenced, writable, status), 111 112 TP_STRUCT__entry( 113 __field(unsigned long, pfn) 114 __field(int, none_or_zero) 115 __field(bool, referenced) 116 __field(bool, writable) 117 __field(int, status) 118 ), 119 120 TP_fast_assign( 121 __entry->pfn = page ? page_to_pfn(page) : -1; 122 __entry->none_or_zero = none_or_zero; 123 __entry->referenced = referenced; 124 __entry->writable = writable; 125 __entry->status = status; 126 ), 127 128 TP_printk("scan_pfn=0x%lx, none_or_zero=%d, referenced=%d, writable=%d, status=%s", 129 __entry->pfn, 130 __entry->none_or_zero, 131 __entry->referenced, 132 __entry->writable, 133 __print_symbolic(__entry->status, SCAN_STATUS)) 134 ); 135 136 #endif /* __HUGE_MEMORY_H */ 137 #include <trace/define_trace.h> 138