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_PMD_NONE,              "pmd_none")                     \
  15         EM( SCAN_PMD_MAPPED,            "page_pmd_mapped")              \
  16         EM( SCAN_EXCEED_NONE_PTE,       "exceed_none_pte")              \
  17         EM( SCAN_EXCEED_SWAP_PTE,       "exceed_swap_pte")              \
  18         EM( SCAN_EXCEED_SHARED_PTE,     "exceed_shared_pte")            \
  19         EM( SCAN_PTE_NON_PRESENT,       "pte_non_present")              \
  20         EM( SCAN_PTE_UFFD_WP,           "pte_uffd_wp")                  \
  21         EM( SCAN_PTE_MAPPED_HUGEPAGE,   "pte_mapped_hugepage")          \
  22         EM( SCAN_PAGE_RO,               "no_writable_page")             \
  23         EM( SCAN_LACK_REFERENCED_PAGE,  "lack_referenced_page")         \
  24         EM( SCAN_PAGE_NULL,             "page_null")                    \
  25         EM( SCAN_SCAN_ABORT,            "scan_aborted")                 \
  26         EM( SCAN_PAGE_COUNT,            "not_suitable_page_count")      \
  27         EM( SCAN_PAGE_LRU,              "page_not_in_lru")              \
  28         EM( SCAN_PAGE_LOCK,             "page_locked")                  \
  29         EM( SCAN_PAGE_ANON,             "page_not_anon")                \
  30         EM( SCAN_PAGE_COMPOUND,         "page_compound")                \
  31         EM( SCAN_ANY_PROCESS,           "no_process_for_page")          \
  32         EM( SCAN_VMA_NULL,              "vma_null")                     \
  33         EM( SCAN_VMA_CHECK,             "vma_check_failed")             \
  34         EM( SCAN_ADDRESS_RANGE,         "not_suitable_address_range")   \
  35         EM( SCAN_DEL_PAGE_LRU,          "could_not_delete_page_from_lru")\
  36         EM( SCAN_ALLOC_HUGE_PAGE_FAIL,  "alloc_huge_page_failed")       \
  37         EM( SCAN_CGROUP_CHARGE_FAIL,    "ccgroup_charge_failed")        \
  38         EM( SCAN_TRUNCATED,             "truncated")                    \
  39         EMe(SCAN_PAGE_HAS_PRIVATE,      "page_has_private")             \
  40
  41 #undef EM
  42 #undef EMe
  43 #define EM(a, b)        TRACE_DEFINE_ENUM(a);
  44 #define EMe(a, b)       TRACE_DEFINE_ENUM(a);
  45
  46 SCAN_STATUS
  47
  48 #undef EM
  49 #undef EMe
  50 #define EM(a, b)        {a, b},
  51 #define EMe(a, b)       {a, b}
  52
  53 TRACE_EVENT(mm_khugepaged_scan_pmd,
  54
  55         TP_PROTO(struct mm_struct *mm, struct page *page, bool writable,
  56                  int referenced, int none_or_zero, int status, int unmapped),
  57
  58         TP_ARGS(mm, page, writable, referenced, none_or_zero, status, unmapped),
  59
  60         TP_STRUCT__entry(
  61                 __field(struct mm_struct *, mm)
  62                 __field(unsigned long, pfn)
  63                 __field(bool, writable)
  64                 __field(int, referenced)
  65                 __field(int, none_or_zero)
  66                 __field(int, status)
  67                 __field(int, unmapped)
  68         ),
  69
  70         TP_fast_assign(
  71                 __entry->mm = mm;
  72                 __entry->pfn = page ? page_to_pfn(page) : -1;
  73                 __entry->writable = writable;
  74                 __entry->referenced = referenced;
  75                 __entry->none_or_zero = none_or_zero;
  76                 __entry->status = status;
  77                 __entry->unmapped = unmapped;
  78         ),
  79
  80         TP_printk("mm=%p, scan_pfn=0x%lx, writable=%d, referenced=%d, none_or_zero=%d, status=%s, unmapped=%d",
  81                 __entry->mm,
  82                 __entry->pfn,
  83                 __entry->writable,
  84                 __entry->referenced,
  85                 __entry->none_or_zero,
  86                 __print_symbolic(__entry->status, SCAN_STATUS),
  87                 __entry->unmapped)
  88 );
  89
  90 TRACE_EVENT(mm_collapse_huge_page,
  91
  92         TP_PROTO(struct mm_struct *mm, int isolated, int status),
  93
  94         TP_ARGS(mm, isolated, status),
  95
  96         TP_STRUCT__entry(
  97                 __field(struct mm_struct *, mm)
  98                 __field(int, isolated)
  99                 __field(int, status)
 100         ),
 101
 102         TP_fast_assign(
 103                 __entry->mm = mm;
 104                 __entry->isolated = isolated;
 105                 __entry->status = status;
 106         ),
 107
 108         TP_printk("mm=%p, isolated=%d, status=%s",
 109                 __entry->mm,
 110                 __entry->isolated,
 111                 __print_symbolic(__entry->status, SCAN_STATUS))
 112 );
 113
 114 TRACE_EVENT(mm_collapse_huge_page_isolate,
 115
 116         TP_PROTO(struct page *page, int none_or_zero,
 117                  int referenced, bool  writable, int status),
 118
 119         TP_ARGS(page, none_or_zero, referenced, writable, status),
 120
 121         TP_STRUCT__entry(
 122                 __field(unsigned long, pfn)
 123                 __field(int, none_or_zero)
 124                 __field(int, referenced)
 125                 __field(bool, writable)
 126                 __field(int, status)
 127         ),
 128
 129         TP_fast_assign(
 130                 __entry->pfn = page ? page_to_pfn(page) : -1;
 131                 __entry->none_or_zero = none_or_zero;
 132                 __entry->referenced = referenced;
 133                 __entry->writable = writable;
 134                 __entry->status = status;
 135         ),
 136
 137         TP_printk("scan_pfn=0x%lx, none_or_zero=%d, referenced=%d, writable=%d, status=%s",
 138                 __entry->pfn,
 139                 __entry->none_or_zero,
 140                 __entry->referenced,
 141                 __entry->writable,
 142                 __print_symbolic(__entry->status, SCAN_STATUS))
 143 );
 144
 145 TRACE_EVENT(mm_collapse_huge_page_swapin,
 146
 147         TP_PROTO(struct mm_struct *mm, int swapped_in, int referenced, int ret),
 148
 149         TP_ARGS(mm, swapped_in, referenced, ret),
 150
 151         TP_STRUCT__entry(
 152                 __field(struct mm_struct *, mm)
 153                 __field(int, swapped_in)
 154                 __field(int, referenced)
 155                 __field(int, ret)
 156         ),
 157
 158         TP_fast_assign(
 159                 __entry->mm = mm;
 160                 __entry->swapped_in = swapped_in;
 161                 __entry->referenced = referenced;
 162                 __entry->ret = ret;
 163         ),
 164
 165         TP_printk("mm=%p, swapped_in=%d, referenced=%d, ret=%d",
 166                 __entry->mm,
 167                 __entry->swapped_in,
 168                 __entry->referenced,
 169                 __entry->ret)
 170 );
 171
 172 TRACE_EVENT(mm_khugepaged_scan_file,
 173
 174         TP_PROTO(struct mm_struct *mm, struct page *page, const char *filename,
 175                  int present, int swap, int result),
 176
 177         TP_ARGS(mm, page, filename, present, swap, result),
 178
 179         TP_STRUCT__entry(
 180                 __field(struct mm_struct *, mm)
 181                 __field(unsigned long, pfn)
 182                 __string(filename, filename)
 183                 __field(int, present)
 184                 __field(int, swap)
 185                 __field(int, result)
 186         ),
 187
 188         TP_fast_assign(
 189                 __entry->mm = mm;
 190                 __entry->pfn = page ? page_to_pfn(page) : -1;
 191                 __assign_str(filename, filename);
 192                 __entry->present = present;
 193                 __entry->swap = swap;
 194                 __entry->result = result;
 195         ),
 196
 197         TP_printk("mm=%p, scan_pfn=0x%lx, filename=%s, present=%d, swap=%d, result=%s",
 198                 __entry->mm,
 199                 __entry->pfn,
 200                 __get_str(filename),
 201                 __entry->present,
 202                 __entry->swap,
 203                 __print_symbolic(__entry->result, SCAN_STATUS))
 204 );
 205
 206 #endif /* __HUGE_MEMORY_H */
 207 #include <trace/define_trace.h>