include/trace/events/filemap.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM filemap
   4
   5 #if !defined(_TRACE_FILEMAP_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_FILEMAP_H
   7
   8 #include <linux/types.h>
   9 #include <linux/tracepoint.h>
  10 #include <linux/mm.h>
  11 #include <linux/memcontrol.h>
  12 #include <linux/device.h>
  13 #include <linux/kdev_t.h>
  14 #include <linux/errseq.h>
  15
  16 DECLARE_EVENT_CLASS(mm_filemap_op_page_cache,
  17
  18         TP_PROTO(struct folio *folio),
  19
  20         TP_ARGS(folio),
  21
  22         TP_STRUCT__entry(
  23                 __field(unsigned long, pfn)
  24                 __field(unsigned long, i_ino)
  25                 __field(unsigned long, index)
  26                 __field(dev_t, s_dev)
  27                 __field(unsigned char, order)
  28         ),
  29
  30         TP_fast_assign(
  31                 __entry->pfn = folio_pfn(folio);
  32                 __entry->i_ino = folio->mapping->host->i_ino;
  33                 __entry->index = folio->index;
  34                 if (folio->mapping->host->i_sb)
  35                         __entry->s_dev = folio->mapping->host->i_sb->s_dev;
  36                 else
  37                         __entry->s_dev = folio->mapping->host->i_rdev;
  38                 __entry->order = folio_order(folio);
  39         ),
  40
  41         TP_printk("dev %d:%d ino %lx pfn=0x%lx ofs=%lu order=%u",
  42                 MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
  43                 __entry->i_ino,
  44                 __entry->pfn,
  45                 __entry->index << PAGE_SHIFT,
  46                 __entry->order)
  47 );
  48
  49 DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_delete_from_page_cache,
  50         TP_PROTO(struct folio *folio),
  51         TP_ARGS(folio)
  52         );
  53
  54 DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_add_to_page_cache,
  55         TP_PROTO(struct folio *folio),
  56         TP_ARGS(folio)
  57         );
  58
  59 DECLARE_EVENT_CLASS(mm_filemap_op_page_cache_range,
  60
  61         TP_PROTO(
  62                 struct address_space *mapping,
  63                 pgoff_t index,
  64                 pgoff_t last_index
  65         ),
  66
  67         TP_ARGS(mapping, index, last_index),
  68
  69         TP_STRUCT__entry(
  70                 __field(unsigned long, i_ino)
  71                 __field(dev_t, s_dev)
  72                 __field(unsigned long, index)
  73                 __field(unsigned long, last_index)
  74         ),
  75
  76         TP_fast_assign(
  77                 __entry->i_ino = mapping->host->i_ino;
  78                 if (mapping->host->i_sb)
  79                         __entry->s_dev =
  80                                 mapping->host->i_sb->s_dev;
  81                 else
  82                         __entry->s_dev = mapping->host->i_rdev;
  83                 __entry->index = index;
  84                 __entry->last_index = last_index;
  85         ),
  86
  87         TP_printk(
  88                 "dev=%d:%d ino=%lx ofs=%lld-%lld",
  89                 MAJOR(__entry->s_dev),
  90                 MINOR(__entry->s_dev), __entry->i_ino,
  91                 ((loff_t)__entry->index) << PAGE_SHIFT,
  92                 ((((loff_t)__entry->last_index + 1) << PAGE_SHIFT) - 1)
  93         )
  94 );
  95
  96 DEFINE_EVENT(mm_filemap_op_page_cache_range, mm_filemap_get_pages,
  97         TP_PROTO(
  98                 struct address_space *mapping,
  99                 pgoff_t index,
 100                 pgoff_t last_index
 101         ),
 102         TP_ARGS(mapping, index, last_index)
 103 );
 104
 105 DEFINE_EVENT(mm_filemap_op_page_cache_range, mm_filemap_map_pages,
 106         TP_PROTO(
 107                 struct address_space *mapping,
 108                 pgoff_t index,
 109                 pgoff_t last_index
 110         ),
 111         TP_ARGS(mapping, index, last_index)
 112 );
 113
 114 TRACE_EVENT(mm_filemap_fault,
 115         TP_PROTO(struct address_space *mapping, pgoff_t index),
 116
 117         TP_ARGS(mapping, index),
 118
 119         TP_STRUCT__entry(
 120                 __field(unsigned long, i_ino)
 121                 __field(dev_t, s_dev)
 122                 __field(unsigned long, index)
 123         ),
 124
 125         TP_fast_assign(
 126                 __entry->i_ino = mapping->host->i_ino;
 127                 if (mapping->host->i_sb)
 128                         __entry->s_dev =
 129                                 mapping->host->i_sb->s_dev;
 130                 else
 131                         __entry->s_dev = mapping->host->i_rdev;
 132                 __entry->index = index;
 133         ),
 134
 135         TP_printk(
 136                 "dev=%d:%d ino=%lx ofs=%lld",
 137                 MAJOR(__entry->s_dev),
 138                 MINOR(__entry->s_dev), __entry->i_ino,
 139                 ((loff_t)__entry->index) << PAGE_SHIFT
 140         )
 141 );
 142
 143 TRACE_EVENT(filemap_set_wb_err,
 144                 TP_PROTO(struct address_space *mapping, errseq_t eseq),
 145
 146                 TP_ARGS(mapping, eseq),
 147
 148                 TP_STRUCT__entry(
 149                         __field(unsigned long, i_ino)
 150                         __field(dev_t, s_dev)
 151                         __field(errseq_t, errseq)
 152                 ),
 153
 154                 TP_fast_assign(
 155                         __entry->i_ino = mapping->host->i_ino;
 156                         __entry->errseq = eseq;
 157                         if (mapping->host->i_sb)
 158                                 __entry->s_dev = mapping->host->i_sb->s_dev;
 159                         else
 160                                 __entry->s_dev = mapping->host->i_rdev;
 161                 ),
 162
 163                 TP_printk("dev=%d:%d ino=0x%lx errseq=0x%x",
 164                         MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
 165                         __entry->i_ino, __entry->errseq)
 166 );
 167
 168 TRACE_EVENT(file_check_and_advance_wb_err,
 169                 TP_PROTO(struct file *file, errseq_t old),
 170
 171                 TP_ARGS(file, old),
 172
 173                 TP_STRUCT__entry(
 174                         __field(struct file *, file)
 175                         __field(unsigned long, i_ino)
 176                         __field(dev_t, s_dev)
 177                         __field(errseq_t, old)
 178                         __field(errseq_t, new)
 179                 ),
 180
 181                 TP_fast_assign(
 182                         __entry->file = file;
 183                         __entry->i_ino = file->f_mapping->host->i_ino;
 184                         if (file->f_mapping->host->i_sb)
 185                                 __entry->s_dev =
 186                                         file->f_mapping->host->i_sb->s_dev;
 187                         else
 188                                 __entry->s_dev =
 189                                         file->f_mapping->host->i_rdev;
 190                         __entry->old = old;
 191                         __entry->new = file->f_wb_err;
 192                 ),
 193
 194                 TP_printk("file=%p dev=%d:%d ino=0x%lx old=0x%x new=0x%x",
 195                         __entry->file, MAJOR(__entry->s_dev),
 196                         MINOR(__entry->s_dev), __entry->i_ino, __entry->old,
 197                         __entry->new)
 198 );
 199 #endif /* _TRACE_FILEMAP_H */
 200
 201 /* This part must be outside protection */
 202 #include <trace/define_trace.h>