diff options
| -rw-r--r-- | fs/btrfs/extent-tree.c | 4 | ||||
| -rw-r--r-- | fs/btrfs/scrub.c | 1 | ||||
| -rw-r--r-- | include/trace/events/btrfs.h | 42 |
3 files changed, 47 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 295f829..888a478 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -6358,6 +6358,7 @@ static int update_block_group(struct btrfs_trans_handle *trans, spin_lock(&info->unused_bgs_lock); if (list_empty(&cache->bg_list)) { btrfs_get_block_group(cache); + trace_btrfs_add_unused_block_group(cache); list_add_tail(&cache->bg_list, &info->unused_bgs); } @@ -10192,6 +10193,7 @@ int btrfs_read_block_groups(struct btrfs_fs_info *info) /* Should always be true but just in case. */ if (list_empty(&cache->bg_list)) { btrfs_get_block_group(cache); + trace_btrfs_add_unused_block_group(cache); list_add_tail(&cache->bg_list, &info->unused_bgs); } @@ -10379,6 +10381,7 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans, BUG_ON(!block_group); BUG_ON(!block_group->ro); + trace_btrfs_remove_block_group(block_group); /* * Free the reserved super bytes from this block group before * remove it. @@ -10743,6 +10746,7 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info) * the ro check in case balance is currently acting on * this block group. */ + trace_btrfs_skip_unused_block_group(block_group); spin_unlock(&block_group->lock); up_write(&space_info->groups_sem); goto next; diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 52b39a0..a590058 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -3984,6 +3984,7 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx, spin_lock(&fs_info->unused_bgs_lock); if (list_empty(&cache->bg_list)) { btrfs_get_block_group(cache); + trace_btrfs_add_unused_block_group(cache); list_add_tail(&cache->bg_list, &fs_info->unused_bgs); } diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h index 5af2479..914ddb7 100644 --- a/include/trace/events/btrfs.h +++ b/include/trace/events/btrfs.h @@ -1805,6 +1805,48 @@ TRACE_EVENT(btrfs_inode_mod_outstanding_extents, __entry->ino, __entry->mod) ); +DECLARE_EVENT_CLASS(btrfs__block_group, + TP_PROTO(const struct btrfs_block_group_cache *bg_cache), + + TP_ARGS(bg_cache), + + TP_STRUCT__entry_btrfs( + __field( u64, bytenr ) + __field( u64, len ) + __field( u64, used ) + __field( u64, flags ) + ), + + TP_fast_assign_btrfs(bg_cache->fs_info, + __entry->bytenr = bg_cache->key.objectid, + __entry->len = bg_cache->key.offset, + __entry->used = btrfs_block_group_used(&bg_cache->item); + __entry->flags = bg_cache->flags; + ), + + TP_printk_btrfs("bg bytenr=%llu len=%llu used=%llu flags=%llu(%s)", + __entry->bytenr, __entry->len, __entry->used, __entry->flags, + __print_flags(__entry->flags, "|", BTRFS_GROUP_FLAGS)) +); + +DEFINE_EVENT(btrfs__block_group, btrfs_remove_block_group, + TP_PROTO(const struct btrfs_block_group_cache *bg_cache), + + TP_ARGS(bg_cache) +); + +DEFINE_EVENT(btrfs__block_group, btrfs_add_unused_block_group, + TP_PROTO(const struct btrfs_block_group_cache *bg_cache), + + TP_ARGS(bg_cache) +); + +DEFINE_EVENT(btrfs__block_group, btrfs_skip_unused_block_group, + TP_PROTO(const struct btrfs_block_group_cache *bg_cache), + + TP_ARGS(bg_cache) +); + #endif /* _TRACE_BTRFS_H */ /* This part must be outside protection */ |
