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/ usr/ src/ linux-headers-3.0.0-14/ include/ trace/ events/ - drwxr-xr-x

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#undef TRACE_SYSTEM
#define TRACE_SYSTEM btrfs

#if !defined(_TRACE_BTRFS_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_BTRFS_H

#include <linux/writeback.h>
#include <linux/tracepoint.h>

struct btrfs_root;
struct btrfs_fs_info;
struct btrfs_inode;
struct extent_map;
struct btrfs_ordered_extent;
struct btrfs_delayed_ref_node;
struct btrfs_delayed_tree_ref;
struct btrfs_delayed_data_ref;
struct btrfs_delayed_ref_head;
struct map_lookup;
struct extent_buffer;

#define show_ref_type(type)                        \
    __print_symbolic(type,                        \
        { BTRFS_TREE_BLOCK_REF_KEY,     "TREE_BLOCK_REF" },    \
        { BTRFS_EXTENT_DATA_REF_KEY,     "EXTENT_DATA_REF" },    \
        { BTRFS_EXTENT_REF_V0_KEY,     "EXTENT_REF_V0" },    \
        { BTRFS_SHARED_BLOCK_REF_KEY,     "SHARED_BLOCK_REF" },    \
        { BTRFS_SHARED_DATA_REF_KEY,     "SHARED_DATA_REF" })

#define __show_root_type(obj)                        \
    __print_symbolic_u64(obj,                    \
        { BTRFS_ROOT_TREE_OBJECTID,     "ROOT_TREE"    },    \
        { BTRFS_EXTENT_TREE_OBJECTID,     "EXTENT_TREE"    },    \
        { BTRFS_CHUNK_TREE_OBJECTID,     "CHUNK_TREE"    },    \
        { BTRFS_DEV_TREE_OBJECTID,     "DEV_TREE"    },    \
        { BTRFS_FS_TREE_OBJECTID,     "FS_TREE"    },    \
        { BTRFS_ROOT_TREE_DIR_OBJECTID, "ROOT_TREE_DIR"    },    \
        { BTRFS_CSUM_TREE_OBJECTID,     "CSUM_TREE"    },    \
        { BTRFS_TREE_LOG_OBJECTID,    "TREE_LOG"    },    \
        { BTRFS_TREE_RELOC_OBJECTID,    "TREE_RELOC"    },    \
        { BTRFS_DATA_RELOC_TREE_OBJECTID, "DATA_RELOC_TREE" })

#define show_root_type(obj)                        \
    obj, ((obj >= BTRFS_DATA_RELOC_TREE_OBJECTID) ||        \
          (obj <= BTRFS_CSUM_TREE_OBJECTID )) ? __show_root_type(obj) : "-"

TRACE_EVENT(btrfs_transaction_commit,

    TP_PROTO(struct btrfs_root *root),

    TP_ARGS(root),

    TP_STRUCT__entry(
        __field(    u64,  generation        )
        __field(    u64,  root_objectid        )
    ),

    TP_fast_assign(
        __entry->generation    = root->fs_info->generation;
        __entry->root_objectid    = root->root_key.objectid;
    ),

    TP_printk("root = %llu(%s), gen = %llu",
          show_root_type(__entry->root_objectid),
          (unsigned long long)__entry->generation)
);

DECLARE_EVENT_CLASS(btrfs__inode,

    TP_PROTO(struct inode *inode),

    TP_ARGS(inode),

    TP_STRUCT__entry(
        __field(    ino_t,  ino            )
        __field(    blkcnt_t,  blocks        )
        __field(    u64,  disk_i_size        )
        __field(    u64,  generation        )
        __field(    u64,  last_trans        )
        __field(    u64,  logged_trans        )
        __field(    u64,  root_objectid        )
    ),

    TP_fast_assign(
        __entry->ino    = inode->i_ino;
        __entry->blocks    = inode->i_blocks;
        __entry->disk_i_size  = BTRFS_I(inode)->disk_i_size;
        __entry->generation = BTRFS_I(inode)->generation;
        __entry->last_trans = BTRFS_I(inode)->last_trans;
        __entry->logged_trans = BTRFS_I(inode)->logged_trans;
        __entry->root_objectid =
                BTRFS_I(inode)->root->root_key.objectid;
    ),

    TP_printk("root = %llu(%s), gen = %llu, ino = %lu, blocks = %llu, "
          "disk_i_size = %llu, last_trans = %llu, logged_trans = %llu",
          show_root_type(__entry->root_objectid),
          (unsigned long long)__entry->generation,
          (unsigned long)__entry->ino,
          (unsigned long long)__entry->blocks,
          (unsigned long long)__entry->disk_i_size,
          (unsigned long long)__entry->last_trans,
          (unsigned long long)__entry->logged_trans)
);

DEFINE_EVENT(btrfs__inode, btrfs_inode_new,

    TP_PROTO(struct inode *inode),

    TP_ARGS(inode)
);

DEFINE_EVENT(btrfs__inode, btrfs_inode_request,

    TP_PROTO(struct inode *inode),

    TP_ARGS(inode)
);

DEFINE_EVENT(btrfs__inode, btrfs_inode_evict,

    TP_PROTO(struct inode *inode),

    TP_ARGS(inode)
);

#define __show_map_type(type)                        \
    __print_symbolic_u64(type,                    \
        { EXTENT_MAP_LAST_BYTE, "LAST_BYTE"     },        \
        { EXTENT_MAP_HOLE,     "HOLE"         },        \
        { EXTENT_MAP_INLINE,     "INLINE"     },        \
        { EXTENT_MAP_DELALLOC,    "DELALLOC"     })

#define show_map_type(type)            \
    type, (type >= EXTENT_MAP_LAST_BYTE) ? "-" :  __show_map_type(type)

#define show_map_flags(flag)                        \
    __print_flags(flag, "|",                    \
        { EXTENT_FLAG_PINNED,         "PINNED"     },    \
        { EXTENT_FLAG_COMPRESSED,     "COMPRESSED"     },    \
        { EXTENT_FLAG_VACANCY,         "VACANCY"     },    \
        { EXTENT_FLAG_PREALLOC,     "PREALLOC"     })

TRACE_EVENT(btrfs_get_extent,

    TP_PROTO(struct btrfs_root *root, struct extent_map *map),

    TP_ARGS(root, map),

    TP_STRUCT__entry(
        __field(    u64,  root_objectid    )
        __field(    u64,  start        )
        __field(    u64,  len        )
        __field(    u64,  orig_start    )
        __field(    u64,  block_start    )
        __field(    u64,  block_len        )
        __field(    unsigned long,  flags    )
        __field(    int,  refs        )
        __field(    unsigned int,  compress_type    )
    ),

    TP_fast_assign(
        __entry->root_objectid    = root->root_key.objectid;
        __entry->start         = map->start;
        __entry->len        = map->len;
        __entry->orig_start    = map->orig_start;
        __entry->block_start    = map->block_start;
        __entry->block_len    = map->block_len;
        __entry->flags        = map->flags;
        __entry->refs        = atomic_read(&map->refs);
        __entry->compress_type    = map->compress_type;
    ),

    TP_printk("root = %llu(%s), start = %llu, len = %llu, "
          "orig_start = %llu, block_start = %llu(%s), "
          "block_len = %llu, flags = %s, refs = %u, "
          "compress_type = %u",
          show_root_type(__entry->root_objectid),
          (unsigned long long)__entry->start,
          (unsigned long long)__entry->len,
          (unsigned long long)__entry->orig_start,
          show_map_type(__entry->block_start),
          (unsigned long long)__entry->block_len,
          show_map_flags(__entry->flags),
          __entry->refs, __entry->compress_type)
);

#define show_ordered_flags(flags)                    \
    __print_symbolic(flags,                    \
        { BTRFS_ORDERED_IO_DONE,     "IO_DONE"     },    \
        { BTRFS_ORDERED_COMPLETE,     "COMPLETE"     },    \
        { BTRFS_ORDERED_NOCOW,         "NOCOW"     },    \
        { BTRFS_ORDERED_COMPRESSED,     "COMPRESSED"     },    \
        { BTRFS_ORDERED_PREALLOC,     "PREALLOC"     },    \
        { BTRFS_ORDERED_DIRECT,     "DIRECT"     })

DECLARE_EVENT_CLASS(btrfs__ordered_extent,

    TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),

    TP_ARGS(inode, ordered),

    TP_STRUCT__entry(
        __field(    ino_t,  ino        )
        __field(    u64,  file_offset    )
        __field(    u64,  start        )
        __field(    u64,  len        )
        __field(    u64,  disk_len        )
        __field(    u64,  bytes_left    )
        __field(    unsigned long,  flags    )
        __field(    int,  compress_type    )
        __field(    int,  refs        )
        __field(    u64,  root_objectid    )
    ),

    TP_fast_assign(
        __entry->ino         = inode->i_ino;
        __entry->file_offset    = ordered->file_offset;
        __entry->start        = ordered->start;
        __entry->len        = ordered->len;
        __entry->disk_len    = ordered->disk_len;
        __entry->bytes_left    = ordered->bytes_left;
        __entry->flags        = ordered->flags;
        __entry->compress_type    = ordered->compress_type;
        __entry->refs        = atomic_read(&ordered->refs);
        __entry->root_objectid    =
                BTRFS_I(inode)->root->root_key.objectid;
    ),

    TP_printk("root = %llu(%s), ino = %llu, file_offset = %llu, "
          "start = %llu, len = %llu, disk_len = %llu, "
          "bytes_left = %llu, flags = %s, compress_type = %d, "
          "refs = %d",
          show_root_type(__entry->root_objectid),
          (unsigned long long)__entry->ino,
          (unsigned long long)__entry->file_offset,
          (unsigned long long)__entry->start,
          (unsigned long long)__entry->len,
          (unsigned long long)__entry->disk_len,
          (unsigned long long)__entry->bytes_left,
          show_ordered_flags(__entry->flags),
          __entry->compress_type, __entry->refs)
);

DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_add,

    TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),

    TP_ARGS(inode, ordered)
);

DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_remove,

    TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),

    TP_ARGS(inode, ordered)
);

DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_start,

    TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),

    TP_ARGS(inode, ordered)
);

DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_put,

    TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),

    TP_ARGS(inode, ordered)
);

DECLARE_EVENT_CLASS(btrfs__writepage,

    TP_PROTO(struct page *page, struct inode *inode,
         struct writeback_control *wbc),

    TP_ARGS(page, inode, wbc),

    TP_STRUCT__entry(
        __field(    ino_t,  ino            )
        __field(    pgoff_t,  index            )
        __field(    long,   nr_to_write        )
        __field(    long,   pages_skipped        )
        __field(    loff_t, range_start        )
        __field(    loff_t, range_end        )
        __field(    char,   nonblocking        )
        __field(    char,   for_kupdate        )
        __field(    char,   for_reclaim        )
        __field(    char,   range_cyclic        )
        __field(    pgoff_t,  writeback_index    )
        __field(    u64,    root_objectid        )
    ),

    TP_fast_assign(
        __entry->ino        = inode->i_ino;
        __entry->index        = page->index;
        __entry->nr_to_write    = wbc->nr_to_write;
        __entry->pages_skipped    = wbc->pages_skipped;
        __entry->range_start    = wbc->range_start;
        __entry->range_end    = wbc->range_end;
        __entry->nonblocking    = wbc->nonblocking;
        __entry->for_kupdate    = wbc->for_kupdate;
        __entry->for_reclaim    = wbc->for_reclaim;
        __entry->range_cyclic    = wbc->range_cyclic;
        __entry->writeback_index = inode->i_mapping->writeback_index;
        __entry->root_objectid    =
                 BTRFS_I(inode)->root->root_key.objectid;
    ),

    TP_printk("root = %llu(%s), ino = %lu, page_index = %lu, "
          "nr_to_write = %ld, pages_skipped = %ld, range_start = %llu, "
          "range_end = %llu, nonblocking = %d, for_kupdate = %d, "
          "for_reclaim = %d, range_cyclic = %d, writeback_index = %lu",
          show_root_type(__entry->root_objectid),
          (unsigned long)__entry->ino, __entry->index,
          __entry->nr_to_write, __entry->pages_skipped,
          __entry->range_start, __entry->range_end,
          __entry->nonblocking, __entry->for_kupdate,
          __entry->for_reclaim, __entry->range_cyclic,
          (unsigned long)__entry->writeback_index)
);

DEFINE_EVENT(btrfs__writepage, __extent_writepage,

    TP_PROTO(struct page *page, struct inode *inode,
         struct writeback_control *wbc),

    TP_ARGS(page, inode, wbc)
);

TRACE_EVENT(btrfs_writepage_end_io_hook,

    TP_PROTO(struct page *page, u64 start, u64 end, int uptodate),

    TP_ARGS(page, start, end, uptodate),

    TP_STRUCT__entry(
        __field(    ino_t,     ino        )
        __field(    pgoff_t, index        )
        __field(    u64,     start        )
        __field(    u64,     end        )
        __field(    int,     uptodate    )
        __field(    u64,    root_objectid    )
    ),

    TP_fast_assign(
        __entry->ino    = page->mapping->host->i_ino;
        __entry->index    = page->index;
        __entry->start    = start;
        __entry->end    = end;
        __entry->uptodate = uptodate;
        __entry->root_objectid    =
             BTRFS_I(page->mapping->host)->root->root_key.objectid;
    ),

    TP_printk("root = %llu(%s), ino = %lu, page_index = %lu, start = %llu, "
          "end = %llu, uptodate = %d",
          show_root_type(__entry->root_objectid),
          (unsigned long)__entry->ino, (unsigned long)__entry->index,
          (unsigned long long)__entry->start,
          (unsigned long long)__entry->end, __entry->uptodate)
);

TRACE_EVENT(btrfs_sync_file,

    TP_PROTO(struct file *file, int datasync),

    TP_ARGS(file, datasync),

    TP_STRUCT__entry(
        __field(    ino_t,  ino        )
        __field(    ino_t,  parent        )
        __field(    int,    datasync    )
        __field(    u64,    root_objectid    )
    ),

    TP_fast_assign(
        struct dentry *dentry = file->f_path.dentry;
        struct inode *inode = dentry->d_inode;

        __entry->ino        = inode->i_ino;
        __entry->parent        = dentry->d_parent->d_inode->i_ino;
        __entry->datasync    = datasync;
        __entry->root_objectid    =
                 BTRFS_I(inode)->root->root_key.objectid;
    ),

    TP_printk("root = %llu(%s), ino = %ld, parent = %ld, datasync = %d",
          show_root_type(__entry->root_objectid),
          (unsigned long)__entry->ino, (unsigned long)__entry->parent,
          __entry->datasync)
);

TRACE_EVENT(btrfs_sync_fs,

    TP_PROTO(int wait),

    TP_ARGS(wait),

    TP_STRUCT__entry(
        __field(    int,  wait        )
    ),

    TP_fast_assign(
        __entry->wait    = wait;
    ),

    TP_printk("wait = %d", __entry->wait)
);

#define show_ref_action(action)                        \
    __print_symbolic(action,                    \
        { BTRFS_ADD_DELAYED_REF,    "ADD_DELAYED_REF" },    \
        { BTRFS_DROP_DELAYED_REF,   "DROP_DELAYED_REF" },    \
        { BTRFS_ADD_DELAYED_EXTENT, "ADD_DELAYED_EXTENT" },     \
        { BTRFS_UPDATE_DELAYED_HEAD, "UPDATE_DELAYED_HEAD" })
            

TRACE_EVENT(btrfs_delayed_tree_ref,

    TP_PROTO(struct btrfs_delayed_ref_node *ref,
         struct btrfs_delayed_tree_ref *full_ref,
         int action),

    TP_ARGS(ref, full_ref, action),

    TP_STRUCT__entry(
        __field(    u64,  bytenr        )
        __field(    u64,  num_bytes        )
        __field(    int,  action        ) 
        __field(    u64,  parent        )
        __field(    u64,  ref_root        )
        __field(    int,  level        )
        __field(    int,  type        )
    ),

    TP_fast_assign(
        __entry->bytenr        = ref->bytenr;
        __entry->num_bytes    = ref->num_bytes;
        __entry->action        = action;
        __entry->parent        = full_ref->parent;
        __entry->ref_root    = full_ref->root;
        __entry->level        = full_ref->level;
        __entry->type        = ref->type;
    ),

    TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, "
          "parent = %llu(%s), ref_root = %llu(%s), level = %d, "
          "type = %s",
          (unsigned long long)__entry->bytenr,
          (unsigned long long)__entry->num_bytes,
          show_ref_action(__entry->action),
          show_root_type(__entry->parent),
          show_root_type(__entry->ref_root),
          __entry->level, show_ref_type(__entry->type))
);

TRACE_EVENT(btrfs_delayed_data_ref,

    TP_PROTO(struct btrfs_delayed_ref_node *ref,
         struct btrfs_delayed_data_ref *full_ref,
         int action),

    TP_ARGS(ref, full_ref, action),

    TP_STRUCT__entry(
        __field(    u64,  bytenr        )
        __field(    u64,  num_bytes        )
        __field(    int,  action        ) 
        __field(    u64,  parent        )
        __field(    u64,  ref_root        )
        __field(    u64,  owner        )
        __field(    u64,  offset        )
        __field(    int,  type        )
    ),

    TP_fast_assign(
        __entry->bytenr        = ref->bytenr;
        __entry->num_bytes    = ref->num_bytes;
        __entry->action        = action;
        __entry->parent        = full_ref->parent;
        __entry->ref_root    = full_ref->root;
        __entry->owner        = full_ref->objectid;
        __entry->offset        = full_ref->offset;
        __entry->type        = ref->type;
    ),

    TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, "
          "parent = %llu(%s), ref_root = %llu(%s), owner = %llu, "
          "offset = %llu, type = %s",
          (unsigned long long)__entry->bytenr,
          (unsigned long long)__entry->num_bytes,
          show_ref_action(__entry->action),
          show_root_type(__entry->parent),
          show_root_type(__entry->ref_root),
          (unsigned long long)__entry->owner,
          (unsigned long long)__entry->offset,
          show_ref_type(__entry->type))
);

TRACE_EVENT(btrfs_delayed_ref_head,

    TP_PROTO(struct btrfs_delayed_ref_node *ref,
         struct btrfs_delayed_ref_head *head_ref,
         int action),

    TP_ARGS(ref, head_ref, action),

    TP_STRUCT__entry(
        __field(    u64,  bytenr        )
        __field(    u64,  num_bytes        )
        __field(    int,  action        ) 
        __field(    int,  is_data        )
    ),

    TP_fast_assign(
        __entry->bytenr        = ref->bytenr;
        __entry->num_bytes    = ref->num_bytes;
        __entry->action        = action;
        __entry->is_data    = head_ref->is_data;
    ),

    TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, is_data = %d",
          (unsigned long long)__entry->bytenr,
          (unsigned long long)__entry->num_bytes,
          show_ref_action(__entry->action),
          __entry->is_data)
);

#define show_chunk_type(type)                    \
    __print_flags(type, "|",                \
        { BTRFS_BLOCK_GROUP_DATA,     "DATA"    },    \
        { BTRFS_BLOCK_GROUP_SYSTEM,     "SYSTEM"},    \
        { BTRFS_BLOCK_GROUP_METADATA,     "METADATA"},    \
        { BTRFS_BLOCK_GROUP_RAID0,     "RAID0" },    \
        { BTRFS_BLOCK_GROUP_RAID1,     "RAID1" },    \
        { BTRFS_BLOCK_GROUP_DUP,     "DUP"    },    \
        { BTRFS_BLOCK_GROUP_RAID10,     "RAID10"})

DECLARE_EVENT_CLASS(btrfs__chunk,

    TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
         u64 offset, u64 size),

    TP_ARGS(root, map, offset, size),

    TP_STRUCT__entry(
        __field(    int,  num_stripes        )
        __field(    u64,  type            )
        __field(    int,  sub_stripes        )
        __field(    u64,  offset            )
        __field(    u64,  size            )
        __field(    u64,  root_objectid        )
    ),

    TP_fast_assign(
        __entry->num_stripes    = map->num_stripes;
        __entry->type        = map->type;
        __entry->sub_stripes    = map->sub_stripes;
        __entry->offset        = offset;
        __entry->size        = size;
        __entry->root_objectid    = root->root_key.objectid;
    ),

    TP_printk("root = %llu(%s), offset = %llu, size = %llu, "
          "num_stripes = %d, sub_stripes = %d, type = %s",
          show_root_type(__entry->root_objectid),
          (unsigned long long)__entry->offset,
          (unsigned long long)__entry->size,
          __entry->num_stripes, __entry->sub_stripes,
          show_chunk_type(__entry->type))
);

DEFINE_EVENT(btrfs__chunk,  btrfs_chunk_alloc,

    TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
         u64 offset, u64 size),

    TP_ARGS(root, map, offset, size)
);

DEFINE_EVENT(btrfs__chunk,  btrfs_chunk_free,

    TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
         u64 offset, u64 size),

    TP_ARGS(root, map, offset, size)
);

TRACE_EVENT(btrfs_cow_block,

    TP_PROTO(struct btrfs_root *root, struct extent_buffer *buf,
         struct extent_buffer *cow),

    TP_ARGS(root, buf, cow),

    TP_STRUCT__entry(
        __field(    u64,  root_objectid        )
        __field(    u64,  buf_start            )
        __field(    int,  refs            )
        __field(    u64,  cow_start            )
        __field(    int,  buf_level            )
        __field(    int,  cow_level            )
    ),

    TP_fast_assign(
        __entry->root_objectid    = root->root_key.objectid;
        __entry->buf_start    = buf->start;
        __entry->refs        = atomic_read(&buf->refs);
        __entry->cow_start    = cow->start;
        __entry->buf_level    = btrfs_header_level(buf);
        __entry->cow_level    = btrfs_header_level(cow);
    ),

    TP_printk("root = %llu(%s), refs = %d, orig_buf = %llu "
          "(orig_level = %d), cow_buf = %llu (cow_level = %d)",
          show_root_type(__entry->root_objectid),
          __entry->refs,
          (unsigned long long)__entry->buf_start,
          __entry->buf_level,
          (unsigned long long)__entry->cow_start,
          __entry->cow_level)
);

DECLARE_EVENT_CLASS(btrfs__reserved_extent,

    TP_PROTO(struct btrfs_root *root, u64 start, u64 len),

    TP_ARGS(root, start, len),

    TP_STRUCT__entry(
        __field(    u64,  root_objectid        )
        __field(    u64,  start            )
        __field(    u64,  len            )
    ),

    TP_fast_assign(
        __entry->root_objectid    = root->root_key.objectid;
        __entry->start        = start;
        __entry->len        = len;
    ),

    TP_printk("root = %llu(%s), start = %llu, len = %llu",
          show_root_type(__entry->root_objectid),
          (unsigned long long)__entry->start,
          (unsigned long long)__entry->len)
);

DEFINE_EVENT(btrfs__reserved_extent,  btrfs_reserved_extent_alloc,

    TP_PROTO(struct btrfs_root *root, u64 start, u64 len),

    TP_ARGS(root, start, len)
);

DEFINE_EVENT(btrfs__reserved_extent,  btrfs_reserved_extent_free,

    TP_PROTO(struct btrfs_root *root, u64 start, u64 len),

    TP_ARGS(root, start, len)
);

#endif /* _TRACE_BTRFS_H */

/* This part must be outside protection */
#include <trace/define_trace.h>
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