LCOV - code coverage report

Current view: top level - fs/btrfs - extent-tree.c (source / functions) Hit Total Coverage Test: btrfstest.info Lines: 2545 3597 70.8 % Date: 2014-11-28 Functions: 153 183 83.6 %

Function Name	Hit count
btrfs_put_block_group	795183
block_group_cache_tree_search	479918
select_delayed_ref	386450
run_one_delayed_ref	386435
btrfs_trans_release_metadata	359896
block_rsv_add_bytes	323967
block_rsv_release_bytes	293261
btrfs_block_rsv_release	293036
next_block_group.isra.44	254724
calc_csum_metadata_size	239712
reserve_metadata_bytes	222682
__get_raid_index	213561
btrfs_should_throttle_delayed_refs	175227
btrfs_block_rsv_check	174833
btrfs_check_space_for_delayed_refs	173077
update_block_group.isra.46	170354
get_restripe_target.isra.23	166920
btrfs_reduce_alloc_profile.isra.30	166789
get_alloc_profile	166787
btrfs_get_alloc_profile	166086
block_rsv_use_bytes	160165
btrfs_check_data_free_space	159345
block_group_cache_done.isra.20	155859
btrfs_delalloc_reserve_metadata	154344
btrfs_update_reserved_bytes	113443
btrfs_reserve_extent	112259
first_logical_byte.isra.45	112258
find_free_extent	112255
drop_outstanding_extent	110632
btrfs_delalloc_release_metadata	110613
run_delayed_tree_ref	106070
block_rsv_migrate_bytes	104781
btrfs_grab_block_group	98349
btrfs_block_rsv_migrate	95152
btrfs_free_reserved_data_space	90628
run_delayed_data_ref	88601
lookup_inline_extent_backref	88585
add_pinned_bytes	86060
__btrfs_free_extent	71066
lookup_extent_backref	71064
get_block_rsv.isra.27	68514
btrfs_init_new_buffer.isra.42	58886
btrfs_alloc_free_block	58884
use_block_rsv	58884
btrfs_block_rsv_add	56987
btrfs_free_tree_block	54155
btrfs_alloc_reserved_file_extent	53378
alloc_reserved_tree_block	53373
alloc_reserved_file_extent	52711
__btrfs_get_ro_block_group_free_space	48484
btrfs_account_ro_block_groups_free_space	48481
btrfs_lookup_block_group	46216
__btrfs_run_delayed_refs	41040
btrfs_run_delayed_refs	41030
btrfs_lock_cluster	40871
btrfs_delalloc_reserve_space	35037
unpin_extent_range.isra.47	32303
btrfs_free_extent	26762
btrfs_inc_extent_ref	21718
match_extent_data_ref	19777
insert_inline_extent_backref	17521
__btrfs_inc_extent_ref	17521
find_next_key	16646
setup_inline_extent_backref	16521
extent_data_ref_count.isra.37	15648
check_ref_cleanup.isra.31	11390
btrfs_free_block_rsv	11282
btrfs_block_rsv_refill	10447
btrfs_alloc_block_rsv	10375
btrfs_write_dirty_block_groups	9663
btrfs_orphan_release_metadata	9630
btrfs_orphan_reserve_metadata	9630
update_inline_extent_backref	7795
add_new_free_space.isra.34	6927
remove_extent_backref	6795
btrfs_extent_readonly	6754
btrfs_cross_ref_exist	6754
check_committed_ref.isra.36	6754
check_delayed_ref	6654
write_one_cache_group	6457
cache_save_setup	5895
can_overcommit	5304
pin_down_extent	4969
btrfs_start_nocow_write	2597
update_global_block_rsv	2406
calc_global_metadata_size	2406
btrfs_async_reclaim_metadata_space	2332
btrfs_calc_reclaim_metadata_size	2332
__btrfs_mod_ref	2201
btrfs_async_run_delayed_refs	2152
delayed_ref_async_start	2152
btrfs_finish_extent_commit	2098
btrfs_prepare_extent_commit	2098
update_space_info	1885
btrfs_end_nocow_write	1650
hash_extent_data_ref	1598
btrfs_init_block_rsv	1554
btrfs_lookup_extent_info	1418
btrfs_inc_ref	1396
find_first_block_group	1362
free_excluded_extents.isra.35	1300
__link_block_group	1228
exclude_super_stripes	1228
btrfs_add_block_group_cache	1228
btrfs_create_block_group_cache	1228
set_avail_alloc_bits	1228
btrfs_pin_extent	889
hash_extent_data_ref_item	799
add_excluded_extent.isra.40	689
put_caching_control	677
alloc_name	657
set_block_group_ro	532
cache_block_group	517
__btrfs_free_reserved_extent	505
btrfs_free_and_pin_reserved_extent	505
walk_down_proc	482
walk_up_proc	466
walk_up_tree	464
walk_down_tree	464
account_leaf_items.isra.38	464
btrfs_drop_snapshot	450
__run_delayed_extent_op	412
btrfs_set_disk_extent_flags	412
btrfs_dec_ref	341
flush_space	284
btrfs_subvolume_release_metadata	228
btrfs_subvolume_reserve_metadata	228
release_global_block_rsv	221
btrfs_init_space_info	221
init_global_block_rsv	221
btrfs_put_block_group_cache	221
btrfs_free_block_groups	221
btrfs_read_block_groups	221
btrfs_init_async_reclaim_work	221
caching_thread	206
btrfs_need_do_async_reclaim	150
get_caching_control	128
wait_block_group_cache_progress	128
do_chunk_alloc	87
should_alloc_chunk.isra.25	87
btrfs_create_pending_block_groups	87
btrfs_make_block_group	87
check_system_chunk	87
btrfs_remove_block_group	72
btrfs_can_relocate	72
update_block_group_flags.isra.29	66
btrfs_set_block_group_ro	66
shrink_delalloc	54
btrfs_writeback_inodes_sb_nr.isra.39	50
do_walk_down	18
run_delayed_extent_op.isra.32	9
clear_avail_alloc_bits	6
account_shared_subtree	2
btrfs_error_discard_extent	0
btrfs_clear_space_info_full	0
lookup_extent_data_ref	0
btrfs_lookup_extent	0
btrfs_exclude_logged_extents	0
btrfs_drop_subtree	0
btrfs_set_block_group_rw	0
adjust_slots_upwards.isra.43	0
dump_space_info	0
wait_block_group_cache_done	0
remove_extent_data_ref	0
btrfs_free_reserved_extent	0
btrfs_delalloc_release_space	0
btrfs_error_unpin_extent_range	0
__exclude_logged_extent	0
insert_extent_data_ref	0
btrfs_discard_extent.isra.41	0
btrfs_alloc_logged_file_extent	0
unuse_block_rsv	0
get_block_group_index	0
btrfs_pin_extent_for_log_replay	0
may_commit_transaction	0
reada_walk_down	0
convert_extent_item_v0	0
btrfs_force_chunk_alloc	0
btrfs_cond_migrate_bytes	0
insert_tree_block_ref	0
insert_extent_backref	0
btrfs_trim_fs	0
lookup_tree_block_ref	0

Generated by: LCOV version 1.10