cregit-Linux how code gets into the kernel

Release 4.7 include/trace/events/btrfs.h


#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>
#include <trace/events/mmflags.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 btrfs_block_group_cache;
struct btrfs_free_cluster;
struct map_lookup;
struct extent_buffer;
struct btrfs_work;
struct __btrfs_workqueue;
struct btrfs_qgroup_extent_record;


#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_QUOTA_TREE_OBJECTID,    "QUOTA_TREE"    },      \
                { BTRFS_TREE_RELOC_OBJECTID,    "TREE_RELOC"    },      \
                { BTRFS_UUID_TREE_OBJECTID,     "UUID_TREE"     },      \
                { BTRFS_FREE_SPACE_TREE_OBJECTID, "FREE_SPACE_TREE" },  \
                { BTRFS_DATA_RELOC_TREE_OBJECTID, "DATA_RELOC_TREE" })


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


#define BTRFS_GROUP_FLAGS	\
	{ 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"},      \
        { BTRFS_BLOCK_GROUP_RAID5,      "RAID5"},       \
        { BTRFS_BLOCK_GROUP_RAID6,      "RAID6"}


#define BTRFS_UUID_SIZE 16

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, "|",                                        \
                { (1 << EXTENT_FLAG_PINNED),            "PINNED"        },\
                { (1 << EXTENT_FLAG_COMPRESSED),        "COMPRESSED"    },\
                { (1 << EXTENT_FLAG_VACANCY),           "VACANCY"       },\
                { (1 << EXTENT_FLAG_PREALLOC),          "PREALLOC"      },\
                { (1 << EXTENT_FLAG_LOGGING),           "LOGGING"       },\
                { (1 << EXTENT_FLAG_FILLING),           "FILLING"       },\
                { (1 << EXTENT_FLAG_FS_MAPPING),        "FS_MAPPING"    })

TRACE_EVENT_CONDITION(btrfs_get_extent,

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

	TP_ARGS(root, map),

	TP_CONDITION(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_flags(flags, "|",                                          \
                { (1 << BTRFS_ORDERED_IO_DONE),         "IO_DONE"       }, \
                { (1 << BTRFS_ORDERED_COMPLETE),        "COMPLETE"      }, \
                { (1 << BTRFS_ORDERED_NOCOW),           "NOCOW"         }, \
                { (1 << BTRFS_ORDERED_COMPRESSED),      "COMPRESSED"    }, \
                { (1 << BTRFS_ORDERED_PREALLOC),        "PREALLOC"      }, \
                { (1 << BTRFS_ORDERED_DIRECT),          "DIRECT"        }, \
                { (1 << BTRFS_ORDERED_IOERR),           "IOERR"         }, \
                { (1 << BTRFS_ORDERED_UPDATED_ISIZE),   "UPDATED_ISIZE" }, \
                { (1 << BTRFS_ORDERED_LOGGED_CSUM),     "LOGGED_CSUM"   }, \
                { (1 << BTRFS_ORDERED_TRUNCATED),       "TRUNCATED"     })


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,   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->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, 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->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 = d_inode(dentry);

                __entry->ino            = inode->i_ino;
                __entry->parent         = d_inode(dentry->d_parent)->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" })
			

DECLARE_EVENT_CLASS(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              )
                __field(        u64,  seq               )
        ),

	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;
                __entry->seq            = ref->seq;
        ),

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

DEFINE_EVENT(btrfs_delayed_tree_ref,  add_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)
);

DEFINE_EVENT(btrfs_delayed_tree_ref,  run_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)
);

DECLARE_EVENT_CLASS(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              )
                __field(        u64,  seq               )
        ),

	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;
                __entry->seq            = ref->seq;
        ),

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

DEFINE_EVENT(btrfs_delayed_data_ref,  add_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)
);

DEFINE_EVENT(btrfs_delayed_data_ref,  run_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)
);

DECLARE_EVENT_CLASS(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_EVENT(btrfs_delayed_ref_head,  add_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)
);

DEFINE_EVENT(btrfs_delayed_ref_head,  run_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)
);


#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"},      \
                { BTRFS_BLOCK_GROUP_RAID5,      "RAID5" },      \
                { BTRFS_BLOCK_GROUP_RAID6,      "RAID6" })

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)
);

TRACE_EVENT(btrfs_space_reservation,

	TP_PROTO(struct btrfs_fs_info *fs_info, char *type, u64 val,
                 u64 bytes, int reserve),

	TP_ARGS(fs_info, type, val, bytes, reserve),

	TP_STRUCT__entry(
                __array(        u8,     fsid,   BTRFS_UUID_SIZE )
                __string(       type,   type                    )
                __field(        u64,    val                     )
                __field(        u64,    bytes                   )
                __field(        int,    reserve                 )
        ),

	TP_fast_assign(
                memcpy(__entry->fsid, fs_info->fsid, BTRFS_UUID_SIZE);
                __assign_str(type, type);
                __entry->val            = val;
                __entry->bytes          = bytes;
                __entry->reserve        = reserve;
        ),

	TP_printk("%pU: %s: %Lu %s %Lu", __entry->fsid, __get_str(type),
                  __entry->val, __entry->reserve ? "reserve" : "release",
                  __entry->bytes)
);

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)
);

TRACE_EVENT(find_free_extent,

	TP_PROTO(struct btrfs_root *root, u64 num_bytes, u64 empty_size,
                 u64 data),

	TP_ARGS(root, num_bytes, empty_size, data),

	TP_STRUCT__entry(
                __field(        u64,    root_objectid           )
                __field(        u64,    num_bytes               )
                __field(        u64,    empty_size              )
                __field(        u64,    data                    )
        ),

	TP_fast_assign(
                __entry->root_objectid  = root->root_key.objectid;
                __entry->num_bytes      = num_bytes;
                __entry->empty_size     = empty_size;
                __entry->data           = data;
        ),

	TP_printk("root = %Lu(%s), len = %Lu, empty_size = %Lu, "
		  "flags = %Lu(%s)", show_root_type(__entry->root_objectid),
                  __entry->num_bytes, __entry->empty_size, __entry->data,
                  __print_flags((unsigned long)__entry->data, "|",
                                 BTRFS_GROUP_FLAGS))
);

DECLARE_EVENT_CLASS(btrfs__reserve_extent,

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

	TP_ARGS(root, block_group, start, len),

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

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

	TP_printk("root = %Lu(%s), block_group = %Lu, flags = %Lu(%s), "
		  "start = %Lu, len = %Lu",
                  show_root_type(__entry->root_objectid), __entry->bg_objectid,
                  __entry->flags, __print_flags((unsigned long)__entry->flags,
						"|", BTRFS_GROUP_FLAGS),
                  __entry->start, __entry->len)
);

DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent,

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

	TP_ARGS(root, block_group, start, len)
);

DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent_cluster,

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

	TP_ARGS(root, block_group, start, len)
);

TRACE_EVENT(btrfs_find_cluster,

	TP_PROTO(struct btrfs_block_group_cache *block_group, u64 start,
                 u64 bytes, u64 empty_size, u64 min_bytes),

	TP_ARGS(block_group, start, bytes, empty_size, min_bytes),

	TP_STRUCT__entry(
                __field(        u64,    bg_objectid             )
                __field(        u64,    flags                   )
                __field(        u64,    start                   )
                __field(        u64,    bytes                   )
                __field(        u64,    empty_size              )
                __field(        u64,    min_bytes               )
        ),

	TP_fast_assign(
                __entry->bg_objectid    = block_group->key.objectid;
                __entry->flags          = block_group->flags;
                __entry->start          = start;
                __entry->bytes          = bytes;
                __entry->empty_size     = empty_size;
                __entry->min_bytes      = min_bytes;
        ),

	TP_printk("block_group = %Lu, flags = %Lu(%s), start = %Lu, len = %Lu,"
		  " empty_size = %Lu, min_bytes = %Lu", __entry->bg_objectid,
                  __entry->flags,
                  __print_flags((unsigned long)__entry->flags, "|",
                                BTRFS_GROUP_FLAGS), __entry->start,
                  __entry->bytes, __entry->empty_size,  __entry->min_bytes)
);

TRACE_EVENT(btrfs_failed_cluster_setup,

	TP_PROTO(struct btrfs_block_group_cache *block_group),

	TP_ARGS(block_group),

	TP_STRUCT__entry(
                __field(        u64,    bg_objectid             )
        ),

	TP_fast_assign(
                __entry->bg_objectid    = block_group->key.objectid;
        ),

	TP_printk("block_group = %Lu", __entry->bg_objectid)
);

TRACE_EVENT(btrfs_setup_cluster,

	TP_PROTO(struct btrfs_block_group_cache *block_group,
                 struct btrfs_free_cluster *cluster, u64 size, int bitmap),

	TP_ARGS(block_group, cluster, size, bitmap),

	TP_STRUCT__entry(
                __field(        u64,    bg_objectid             )
                __field(        u64,    flags                   )
                __field(        u64,    start                   )
                __field(        u64,    max_size                )
                __field(        u64,    size                    )
                __field(        int,    bitmap                  )
        ),

	TP_fast_assign(
                __entry->bg_objectid    = block_group->key.objectid;
                __entry->flags          = block_group->flags;
                __entry->start          = cluster->window_start;
                __entry->max_size       = cluster->max_size;
                __entry->size           = size;
                __entry->bitmap         = bitmap;
        ),

	TP_printk("block_group = %Lu, flags = %Lu(%s), window_start = %Lu, "
		  "size = %Lu, max_size = %Lu, bitmap = %d",
                  __entry->bg_objectid,
                  __entry->flags,
                  __print_flags((unsigned long)__entry->flags, "|",
                                BTRFS_GROUP_FLAGS), __entry->start,
                  __entry->size, __entry->max_size, __entry->bitmap)
);

struct extent_state;
TRACE_EVENT(alloc_extent_state,

	TP_PROTO(struct extent_state *state, gfp_t mask, unsigned long IP),

	TP_ARGS(state, mask, IP),

	TP_STRUCT__entry(
		__field(struct extent_state *, state)
		__field(gfp_t, mask)
		__field(unsigned long, ip)
	),

	TP_fast_assign(
		__entry->state	= state,
		__entry->mask	= mask,
		__entry->ip	= IP
	),

	TP_printk("state=%p; mask = %s; caller = %pS", __entry->state,
		  show_gfp_flags(__entry->mask), (void *)__entry->ip)
);

TRACE_EVENT(free_extent_state,

	TP_PROTO(struct extent_state *state, unsigned long IP),

	TP_ARGS(state, IP),

	TP_STRUCT__entry(
		__field(struct extent_state *, state)
		__field(unsigned long, ip)
	),

	TP_fast_assign(
		__entry->state	= state,
		__entry->ip = IP
	),

	TP_printk(" state=%p; caller = %pS", __entry->state,
		  (void *)__entry->ip)
);

DECLARE_EVENT_CLASS(btrfs__work,

	TP_PROTO(struct btrfs_work *work),

	TP_ARGS(work),

	TP_STRUCT__entry(
                __field(        void *, work                    )
                __field(        void *, wq                      )
                __field(        void *, func                    )
                __field(        void *, ordered_func            )
                __field(        void *, ordered_free            )
                __field(        void *, normal_work             )
        ),

	TP_fast_assign(
                __entry->work           = work;
                __entry->wq             = work->wq;
                __entry->func           = work->func;
                __entry->ordered_func   = work->ordered_func;
                __entry->ordered_free   = work->ordered_free;
                __entry->normal_work    = &work->normal_work;
        ),

	TP_printk("work=%p (normal_work=%p), wq=%p, func=%pf, ordered_func=%p,"
		  " ordered_free=%p",
                  __entry->work, __entry->normal_work, __entry->wq,
                   __entry->func, __entry->ordered_func, __entry->ordered_free)
);

/* For situiations that the work is freed */
DECLARE_EVENT_CLASS(btrfs__work__done,

	TP_PROTO(struct btrfs_work *work),

	TP_ARGS(work),

	TP_STRUCT__entry(
                __field(        void *, work                    )
        ),

	TP_fast_assign(
                __entry->work           = work;
        ),

	TP_printk("work->%p", __entry->work)
);

DEFINE_EVENT(btrfs__work, btrfs_work_queued,

	TP_PROTO(struct btrfs_work *work),

	TP_ARGS(work)
);

DEFINE_EVENT(btrfs__work, btrfs_work_sched,

	TP_PROTO(struct btrfs_work *work),

	TP_ARGS(work)
);

DEFINE_EVENT(btrfs__work__done, btrfs_all_work_done,

	TP_PROTO(struct btrfs_work *work),

	TP_ARGS(work)
);

DEFINE_EVENT(btrfs__work, btrfs_ordered_sched,

	TP_PROTO(struct btrfs_work *work),

	TP_ARGS(work)
);

DECLARE_EVENT_CLASS(btrfs__workqueue,

	TP_PROTO(struct __btrfs_workqueue *wq, const char *name, int high),

	TP_ARGS(wq, name, high),

	TP_STRUCT__entry(
                __field(        void *, wq                      )
                __string(       name,   name                    )
                __field(        int ,   high                    )
        ),

	TP_fast_assign(
                __entry->wq             = wq;
                __assign_str(name, name);
                __entry->high           = high;
        ),

	TP_printk("name=%s%s, wq=%p", __get_str(name),
                  __print_flags(__entry->high, "",
                                {(WQ_HIGHPRI),	"-high"}),
                  __entry->wq)
);

DEFINE_EVENT(btrfs__workqueue, btrfs_workqueue_alloc,

	TP_PROTO(struct __btrfs_workqueue *wq, const char *name, int high),

	TP_ARGS(wq, name, high)
);

DECLARE_EVENT_CLASS(btrfs__workqueue_done,

	TP_PROTO(struct __btrfs_workqueue *wq),

	TP_ARGS(wq),

	TP_STRUCT__entry(
                __field(        void *, wq                      )
        ),

	TP_fast_assign(
                __entry->wq             = wq;
        ),

	TP_printk("wq=%p", __entry->wq)
);

DEFINE_EVENT(btrfs__workqueue_done, btrfs_workqueue_destroy,

	TP_PROTO(struct __btrfs_workqueue *wq),

	TP_ARGS(wq)
);

DECLARE_EVENT_CLASS(btrfs__qgroup_data_map,

	TP_PROTO(struct inode *inode, u64 free_reserved),

	TP_ARGS(inode, free_reserved),

	TP_STRUCT__entry(
                __field(        u64,            rootid          )
                __field(        unsigned long,  ino             )
                __field(        u64,            free_reserved   )
        ),

	TP_fast_assign(
                __entry->rootid         =       BTRFS_I(inode)->root->objectid;
                __entry->ino            =       inode->i_ino;
                __entry->free_reserved  =       free_reserved;
        ),

	TP_printk("rootid=%llu, ino=%lu, free_reserved=%llu",
                  __entry->rootid, __entry->ino, __entry->free_reserved)
);

DEFINE_EVENT(btrfs__qgroup_data_map, btrfs_qgroup_init_data_rsv_map,

	TP_PROTO(struct inode *inode, u64 free_reserved),

	TP_ARGS(inode, free_reserved)
);

DEFINE_EVENT(btrfs__qgroup_data_map, btrfs_qgroup_free_data_rsv_map,

	TP_PROTO(struct inode *inode, u64 free_reserved),

	TP_ARGS(inode, free_reserved)
);


#define BTRFS_QGROUP_OPERATIONS				\
	{ QGROUP_RESERVE,       "reserve"       },      \
        { QGROUP_RELEASE,       "release"       },      \
        { QGROUP_FREE,          "free"          }

DECLARE_EVENT_CLASS(btrfs__qgroup_rsv_data,

	TP_PROTO(struct inode *inode, u64 start, u64 len, u64 reserved, int op),

	TP_ARGS(inode, start, len, reserved, op),

	TP_STRUCT__entry(
                __field(        u64,            rootid          )
                __field(        unsigned long,  ino             )
                __field(        u64,            start           )
                __field(        u64,            len             )
                __field(        u64,            reserved        )
                __field(        int,            op              )
        ),

	TP_fast_assign(
                __entry->rootid         = BTRFS_I(inode)->root->objectid;
                __entry->ino            = inode->i_ino;
                __entry->start          = start;
                __entry->len            = len;
                __entry->reserved       = reserved;
                __entry->op             = op;
        ),

	TP_printk("root=%llu, ino=%lu, start=%llu, len=%llu, reserved=%llu, op=%s",
                  __entry->rootid, __entry->ino, __entry->start, __entry->len,
                  __entry->reserved,
                  __print_flags((unsigned long)__entry->op, "",
                                BTRFS_QGROUP_OPERATIONS)
        )
);

DEFINE_EVENT(btrfs__qgroup_rsv_data, btrfs_qgroup_reserve_data,

	TP_PROTO(struct inode *inode, u64 start, u64 len, u64 reserved, int op),

	TP_ARGS(inode, start, len, reserved, op)
);

DEFINE_EVENT(btrfs__qgroup_rsv_data, btrfs_qgroup_release_data,

	TP_PROTO(struct inode *inode, u64 start, u64 len, u64 reserved, int op),

	TP_ARGS(inode, start, len, reserved, op)
);

DECLARE_EVENT_CLASS(btrfs__qgroup_delayed_ref,

	TP_PROTO(u64 ref_root, u64 reserved),

	TP_ARGS(ref_root, reserved),

	TP_STRUCT__entry(
                __field(        u64,            ref_root        )
                __field(        u64,            reserved        )
        ),

	TP_fast_assign(
                __entry->ref_root       = ref_root;
                __entry->reserved       = reserved;
        ),

	TP_printk("root=%llu, reserved=%llu, op=free",
                  __entry->ref_root, __entry->reserved)
);

DEFINE_EVENT(btrfs__qgroup_delayed_ref, btrfs_qgroup_free_delayed_ref,

	TP_PROTO(u64 ref_root, u64 reserved),

	TP_ARGS(ref_root, reserved)
);

DECLARE_EVENT_CLASS(btrfs_qgroup_extent,
	TP_PROTO(struct btrfs_qgroup_extent_record *rec),

	TP_ARGS(rec),

	TP_STRUCT__entry(
                __field(        u64,  bytenr            )
                __field(        u64,  num_bytes         )
        ),

	TP_fast_assign(
                __entry->bytenr         = rec->bytenr,
                __entry->num_bytes      = rec->num_bytes;
        ),

	TP_printk("bytenr = %llu, num_bytes = %llu",
                  (unsigned long long)__entry->bytenr,
                  (unsigned long long)__entry->num_bytes)
);

DEFINE_EVENT(btrfs_qgroup_extent, btrfs_qgroup_account_extents,

	TP_PROTO(struct btrfs_qgroup_extent_record *rec),

	TP_ARGS(rec)
);

DEFINE_EVENT(btrfs_qgroup_extent, btrfs_qgroup_insert_dirty_extent,

	TP_PROTO(struct btrfs_qgroup_extent_record *rec),

	TP_ARGS(rec)
);

TRACE_EVENT(btrfs_qgroup_account_extent,

	TP_PROTO(u64 bytenr, u64 num_bytes, u64 nr_old_roots, u64 nr_new_roots),

	TP_ARGS(bytenr, num_bytes, nr_old_roots, nr_new_roots),

	TP_STRUCT__entry(
                __field(        u64,  bytenr                    )
                __field(        u64,  num_bytes                 )
                __field(        u64,  nr_old_roots              )
                __field(        u64,  nr_new_roots              )
        ),

	TP_fast_assign(
                __entry->bytenr         = bytenr;
                __entry->num_bytes      = num_bytes;
                __entry->nr_old_roots   = nr_old_roots;
                __entry->nr_new_roots   = nr_new_roots;
        ),

	TP_printk("bytenr = %llu, num_bytes = %llu, nr_old_roots = %llu, "
		  "nr_new_roots = %llu",
                  __entry->bytenr,
                  __entry->num_bytes,
                  __entry->nr_old_roots,
                  __entry->nr_new_roots)
);

TRACE_EVENT(qgroup_update_counters,

	TP_PROTO(u64 qgid, u64 cur_old_count, u64 cur_new_count),

	TP_ARGS(qgid, cur_old_count, cur_new_count),

	TP_STRUCT__entry(
                __field(        u64,  qgid                      )
                __field(        u64,  cur_old_count             )
                __field(        u64,  cur_new_count             )
        ),

	TP_fast_assign(
                __entry->qgid           = qgid;
                __entry->cur_old_count  = cur_old_count;
                __entry->cur_new_count  = cur_new_count;
        ),

	TP_printk("qgid = %llu, cur_old_count = %llu, cur_new_count = %llu",
                  __entry->qgid,
                  __entry->cur_old_count,
                  __entry->cur_new_count)
);

#endif /* _TRACE_BTRFS_H */

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

Overall Contributors

PersonTokensPropCommitsCommitProp
liu boliu bo85450.29%939.13%
qu wenruoqu wenruo38722.79%313.04%
josef bacikjosef bacik19011.19%28.70%
jeff mahoneyjeff mahoney1609.42%14.35%
mark fashehmark fasheh955.59%28.70%
fengguang wufengguang wu40.24%14.35%
steven rostedtsteven rostedt30.18%14.35%
scott woodscott wood20.12%14.35%
omar sandovalomar sandoval10.06%14.35%
vlastimil babkavlastimil babka10.06%14.35%
david howellsdavid howells10.06%14.35%
Total1698100.00%23100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
{% endraw %}