include/trace/events/huge_memory.h

   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>