diff options
| -rw-r--r-- | fs/btrfs/qgroup.c | 11 | ||||
| -rw-r--r-- | fs/btrfs/qgroup.h | 8 | ||||
| -rw-r--r-- | include/trace/events/btrfs.h | 113 |
3 files changed, 130 insertions, 2 deletions
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 7d5339d..879343c 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -2516,10 +2516,12 @@ int btrfs_qgroup_reserve_data(struct inode *inode, u64 start, u64 len) changeset.bytes_changed = 0; changeset.range_changed = ulist_alloc(GFP_NOFS); - ret = set_record_extent_bits(&BTRFS_I(inode)->io_tree, start, start + len -1, EXTENT_QGROUP_RESERVED, GFP_NOFS, &changeset); + trace_btrfs_qgroup_reserve_data(inode, start, len, + changeset.bytes_changed, + QGROUP_RESERVE); if (ret < 0) goto cleanup; ret = qgroup_reserve(root, changeset.bytes_changed); @@ -2544,6 +2546,7 @@ static int __btrfs_qgroup_release_data(struct inode *inode, u64 start, u64 len, int free) { struct extent_changeset changeset; + int trace_op = QGROUP_RELEASE; int ret; changeset.bytes_changed = 0; @@ -2557,8 +2560,12 @@ static int __btrfs_qgroup_release_data(struct inode *inode, u64 start, u64 len, if (ret < 0) goto out; - if (free) + if (free) { qgroup_free(BTRFS_I(inode)->root, changeset.bytes_changed); + trace_op = QGROUP_FREE; + } + trace_btrfs_qgroup_release_data(inode, start, len, + changeset.bytes_changed, trace_op); out: ulist_free(changeset.range_changed); return ret; diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h index adb03da..686b60f 100644 --- a/fs/btrfs/qgroup.h +++ b/fs/btrfs/qgroup.h @@ -33,6 +33,13 @@ struct btrfs_qgroup_extent_record { struct ulist *old_roots; }; +/* + * For qgroup event trace points only + */ +#define QGROUP_RESERVE (1<<0) +#define QGROUP_RELEASE (1<<1) +#define QGROUP_FREE (1<<2) + int btrfs_quota_enable(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info); int btrfs_quota_disable(struct btrfs_trans_handle *trans, @@ -81,6 +88,7 @@ static inline void btrfs_qgroup_free_delayed_ref(struct btrfs_fs_info *fs_info, u64 ref_root, u64 num_bytes) { btrfs_qgroup_free_refroot(fs_info, ref_root, num_bytes); + trace_btrfs_qgroup_free_delayed_ref(ref_root, num_bytes); } void assert_qgroups_uptodate(struct btrfs_trans_handle *trans); diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h index 0b73af9..b4473da 100644 --- a/include/trace/events/btrfs.h +++ b/include/trace/events/btrfs.h @@ -1117,6 +1117,119 @@ DEFINE_EVENT(btrfs__workqueue_done, btrfs_workqueue_destroy, 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) +); #endif /* _TRACE_BTRFS_H */ /* This part must be outside protection */ |
