diff options
| -rw-r--r-- | fs/btrfs/qgroup.c | 7 | ||||
| -rw-r--r-- | include/trace/events/btrfs.h | 55 |
2 files changed, 57 insertions, 5 deletions
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 836819c..92e2c9f 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -3138,7 +3138,7 @@ int __btrfs_qgroup_reserve_meta(struct btrfs_root *root, int num_bytes, return 0; BUG_ON(num_bytes != round_down(num_bytes, fs_info->nodesize)); - trace_qgroup_meta_reserve(root, (s64)num_bytes); + trace_qgroup_meta_reserve(root, type, (s64)num_bytes); ret = qgroup_reserve(root, num_bytes, enforce, type); if (ret < 0) return ret; @@ -3163,7 +3163,7 @@ void btrfs_qgroup_free_meta_all_pertrans(struct btrfs_root *root) return; /* TODO: Update trace point to handle such free */ - trace_qgroup_meta_reserve(root, 0); + trace_qgroup_meta_free_all_pertrans(root); /* Special value -1 means to free all reserved space */ btrfs_qgroup_free_refroot(fs_info, root->objectid, (u64)-1, BTRFS_QGROUP_RSV_META_PERTRANS); @@ -3185,7 +3185,7 @@ void __btrfs_qgroup_free_meta(struct btrfs_root *root, int num_bytes, */ num_bytes = sub_root_meta_rsv(root, num_bytes, type); BUG_ON(num_bytes != round_down(num_bytes, fs_info->nodesize)); - trace_qgroup_meta_reserve(root, -(s64)num_bytes); + trace_qgroup_meta_reserve(root, type, -(s64)num_bytes); btrfs_qgroup_free_refroot(fs_info, root->objectid, num_bytes, type); } @@ -3245,6 +3245,7 @@ void btrfs_qgroup_convert_reserved_meta(struct btrfs_root *root, int num_bytes) /* Same as btrfs_qgroup_free_meta_prealloc() */ num_bytes = sub_root_meta_rsv(root, num_bytes, BTRFS_QGROUP_RSV_META_PREALLOC); + trace_qgroup_meta_convert(root, num_bytes); qgroup_convert_meta(fs_info, root->objectid, num_bytes); } diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h index eee778b..965c650 100644 --- a/include/trace/events/btrfs.h +++ b/include/trace/events/btrfs.h @@ -1663,6 +1663,28 @@ TRACE_EVENT(qgroup_update_reserve, TRACE_EVENT(qgroup_meta_reserve, + TP_PROTO(struct btrfs_root *root, s64 diff, int type), + + TP_ARGS(root, diff, type), + + TP_STRUCT__entry_btrfs( + __field( u64, refroot ) + __field( s64, diff ) + __field( int, type ) + ), + + TP_fast_assign_btrfs(root->fs_info, + __entry->refroot = root->objectid; + __entry->diff = diff; + ), + + TP_printk_btrfs("refroot=%llu(%s) type=%s diff=%lld", + show_root_type(__entry->refroot), + show_qgroup_rsv_type(__entry->type), __entry->diff) +); + +TRACE_EVENT(qgroup_meta_convert, + TP_PROTO(struct btrfs_root *root, s64 diff), TP_ARGS(root, diff), @@ -1670,6 +1692,7 @@ TRACE_EVENT(qgroup_meta_reserve, TP_STRUCT__entry_btrfs( __field( u64, refroot ) __field( s64, diff ) + __field( int, type ) ), TP_fast_assign_btrfs(root->fs_info, @@ -1677,8 +1700,36 @@ TRACE_EVENT(qgroup_meta_reserve, __entry->diff = diff; ), - TP_printk_btrfs("refroot=%llu(%s) diff=%lld", - show_root_type(__entry->refroot), __entry->diff) + TP_printk_btrfs("refroot=%llu(%s) type=%s->%s diff=%lld", + show_root_type(__entry->refroot), + show_qgroup_rsv_type(BTRFS_QGROUP_RSV_META_PREALLOC), + show_qgroup_rsv_type(BTRFS_QGROUP_RSV_META_PERTRANS), + __entry->diff) +); + +TRACE_EVENT(qgroup_meta_free_all_pertrans, + + TP_PROTO(struct btrfs_root *root), + + TP_ARGS(root), + + TP_STRUCT__entry_btrfs( + __field( u64, refroot ) + __field( s64, diff ) + __field( int, type ) + ), + + TP_fast_assign_btrfs(root->fs_info, + __entry->refroot = root->objectid; + spin_lock(&root->qgroup_meta_rsv_lock); + __entry->diff = -(s64)root->qgroup_meta_rsv_pertrans; + spin_unlock(&root->qgroup_meta_rsv_lock); + __entry->type = BTRFS_QGROUP_RSV_META_PERTRANS; + ), + + TP_printk_btrfs("refroot=%llu(%s) type=%s diff=%lld", + show_root_type(__entry->refroot), + show_qgroup_rsv_type(__entry->type), __entry->diff) ); DECLARE_EVENT_CLASS(btrfs__prelim_ref, |
