include/trace/events/huge_memory.h

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