include/trace/events/fs_dax.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM fs_dax
   3
   4 #if !defined(_TRACE_FS_DAX_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_FS_DAX_H
   6
   7 #include <linux/tracepoint.h>
   8
   9 DECLARE_EVENT_CLASS(dax_pmd_fault_class,
  10         TP_PROTO(struct inode *inode, struct vm_fault *vmf,
  11                 pgoff_t max_pgoff, int result),
  12         TP_ARGS(inode, vmf, max_pgoff, result),
  13         TP_STRUCT__entry(
  14                 __field(unsigned long, ino)
  15                 __field(unsigned long, vm_start)
  16                 __field(unsigned long, vm_end)
  17                 __field(unsigned long, vm_flags)
  18                 __field(unsigned long, address)
  19                 __field(pgoff_t, pgoff)
  20                 __field(pgoff_t, max_pgoff)
  21                 __field(dev_t, dev)
  22                 __field(unsigned int, flags)
  23                 __field(int, result)
  24         ),
  25         TP_fast_assign(
  26                 __entry->dev = inode->i_sb->s_dev;
  27                 __entry->ino = inode->i_ino;
  28                 __entry->vm_start = vmf->vma->vm_start;
  29                 __entry->vm_end = vmf->vma->vm_end;
  30                 __entry->vm_flags = vmf->vma->vm_flags;
  31                 __entry->address = vmf->address;
  32                 __entry->flags = vmf->flags;
  33                 __entry->pgoff = vmf->pgoff;
  34                 __entry->max_pgoff = max_pgoff;
  35                 __entry->result = result;
  36         ),
  37         TP_printk("dev %d:%d ino %#lx %s %s address %#lx vm_start "
  38                         "%#lx vm_end %#lx pgoff %#lx max_pgoff %#lx %s",
  39                 MAJOR(__entry->dev),
  40                 MINOR(__entry->dev),
  41                 __entry->ino,
  42                 __entry->vm_flags & VM_SHARED ? "shared" : "private",
  43                 __print_flags(__entry->flags, "|", FAULT_FLAG_TRACE),
  44                 __entry->address,
  45                 __entry->vm_start,
  46                 __entry->vm_end,
  47                 __entry->pgoff,
  48                 __entry->max_pgoff,
  49                 __print_flags(__entry->result, "|", VM_FAULT_RESULT_TRACE)
  50         )
  51 )
  52
  53 #define DEFINE_PMD_FAULT_EVENT(name) \
  54 DEFINE_EVENT(dax_pmd_fault_class, name, \
  55         TP_PROTO(struct inode *inode, struct vm_fault *vmf, \
  56                 pgoff_t max_pgoff, int result), \
  57         TP_ARGS(inode, vmf, max_pgoff, result))
  58
  59 DEFINE_PMD_FAULT_EVENT(dax_pmd_fault);
  60 DEFINE_PMD_FAULT_EVENT(dax_pmd_fault_done);
  61
  62 DECLARE_EVENT_CLASS(dax_pmd_load_hole_class,
  63         TP_PROTO(struct inode *inode, struct vm_fault *vmf,
  64                 struct page *zero_page,
  65                 void *radix_entry),
  66         TP_ARGS(inode, vmf, zero_page, radix_entry),
  67         TP_STRUCT__entry(
  68                 __field(unsigned long, ino)
  69                 __field(unsigned long, vm_flags)
  70                 __field(unsigned long, address)
  71                 __field(struct page *, zero_page)
  72                 __field(void *, radix_entry)
  73                 __field(dev_t, dev)
  74         ),
  75         TP_fast_assign(
  76                 __entry->dev = inode->i_sb->s_dev;
  77                 __entry->ino = inode->i_ino;
  78                 __entry->vm_flags = vmf->vma->vm_flags;
  79                 __entry->address = vmf->address;
  80                 __entry->zero_page = zero_page;
  81                 __entry->radix_entry = radix_entry;
  82         ),
  83         TP_printk("dev %d:%d ino %#lx %s address %#lx zero_page %p "
  84                         "radix_entry %#lx",
  85                 MAJOR(__entry->dev),
  86                 MINOR(__entry->dev),
  87                 __entry->ino,
  88                 __entry->vm_flags & VM_SHARED ? "shared" : "private",
  89                 __entry->address,
  90                 __entry->zero_page,
  91                 (unsigned long)__entry->radix_entry
  92         )
  93 )
  94
  95 #define DEFINE_PMD_LOAD_HOLE_EVENT(name) \
  96 DEFINE_EVENT(dax_pmd_load_hole_class, name, \
  97         TP_PROTO(struct inode *inode, struct vm_fault *vmf, \
  98                 struct page *zero_page, void *radix_entry), \
  99         TP_ARGS(inode, vmf, zero_page, radix_entry))
 100
 101 DEFINE_PMD_LOAD_HOLE_EVENT(dax_pmd_load_hole);
 102 DEFINE_PMD_LOAD_HOLE_EVENT(dax_pmd_load_hole_fallback);
 103
 104 DECLARE_EVENT_CLASS(dax_pmd_insert_mapping_class,
 105         TP_PROTO(struct inode *inode, struct vm_fault *vmf,
 106                 long length, pfn_t pfn, void *radix_entry),
 107         TP_ARGS(inode, vmf, length, pfn, radix_entry),
 108         TP_STRUCT__entry(
 109                 __field(unsigned long, ino)
 110                 __field(unsigned long, vm_flags)
 111                 __field(unsigned long, address)
 112                 __field(long, length)
 113                 __field(u64, pfn_val)
 114                 __field(void *, radix_entry)
 115                 __field(dev_t, dev)
 116                 __field(int, write)
 117         ),
 118         TP_fast_assign(
 119                 __entry->dev = inode->i_sb->s_dev;
 120                 __entry->ino = inode->i_ino;
 121                 __entry->vm_flags = vmf->vma->vm_flags;
 122                 __entry->address = vmf->address;
 123                 __entry->write = vmf->flags & FAULT_FLAG_WRITE;
 124                 __entry->length = length;
 125                 __entry->pfn_val = pfn.val;
 126                 __entry->radix_entry = radix_entry;
 127         ),
 128         TP_printk("dev %d:%d ino %#lx %s %s address %#lx length %#lx "
 129                         "pfn %#llx %s radix_entry %#lx",
 130                 MAJOR(__entry->dev),
 131                 MINOR(__entry->dev),
 132                 __entry->ino,
 133                 __entry->vm_flags & VM_SHARED ? "shared" : "private",
 134                 __entry->write ? "write" : "read",
 135                 __entry->address,
 136                 __entry->length,
 137                 __entry->pfn_val & ~PFN_FLAGS_MASK,
 138                 __print_flags_u64(__entry->pfn_val & PFN_FLAGS_MASK, "|",
 139                         PFN_FLAGS_TRACE),
 140                 (unsigned long)__entry->radix_entry
 141         )
 142 )
 143
 144 #define DEFINE_PMD_INSERT_MAPPING_EVENT(name) \
 145 DEFINE_EVENT(dax_pmd_insert_mapping_class, name, \
 146         TP_PROTO(struct inode *inode, struct vm_fault *vmf, \
 147                 long length, pfn_t pfn, void *radix_entry), \
 148         TP_ARGS(inode, vmf, length, pfn, radix_entry))
 149
 150 DEFINE_PMD_INSERT_MAPPING_EVENT(dax_pmd_insert_mapping);
 151 DEFINE_PMD_INSERT_MAPPING_EVENT(dax_pmd_insert_mapping_fallback);
 152
 153 #endif /* _TRACE_FS_DAX_H */
 154
 155 /* This part must be outside protection */
 156 #include <trace/define_trace.h>