xfs: add more attribute tree trace points.

Added when debugging recent attribute tree problems to more finely
trace code execution through the maze of twisty passages that makes
up the attr code.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

1 files changed, 53 insertions, 1 deletions

diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index cb5234632072..2e137d4a85ae 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -96,6 +96,8 @@ DEFINE_ATTR_LIST_EVENT(xfs_attr_list_full);
 DEFINE_ATTR_LIST_EVENT(xfs_attr_list_add);
 DEFINE_ATTR_LIST_EVENT(xfs_attr_list_wrong_blk);
 DEFINE_ATTR_LIST_EVENT(xfs_attr_list_notfound);
+DEFINE_ATTR_LIST_EVENT(xfs_attr_leaf_list);
+DEFINE_ATTR_LIST_EVENT(xfs_attr_node_list);
 
 DECLARE_EVENT_CLASS(xfs_perag_class,
         TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, int refcount,
@@ -1502,8 +1504,42 @@ DEFINE_DIR2_EVENT(xfs_dir2_node_replace);
 DEFINE_DIR2_EVENT(xfs_dir2_node_removename);
 DEFINE_DIR2_EVENT(xfs_dir2_node_to_leaf);
 
+DECLARE_EVENT_CLASS(xfs_attr_class,
+        TP_PROTO(struct xfs_da_args *args),
+        TP_ARGS(args),
+        TP_STRUCT__entry(
+                __field(dev_t, dev)
+                __field(xfs_ino_t, ino)
+                __dynamic_array(char, name, args->namelen)
+                __field(int, namelen)
+                __field(int, valuelen)
+                __field(xfs_dahash_t, hashval)
+                __field(int, op_flags)
+        ),
+        TP_fast_assign(
+                __entry->dev = VFS_I(args->dp)->i_sb->s_dev;
+                __entry->ino = args->dp->i_ino;
+                if (args->namelen)
+                        memcpy(__get_str(name), args->name, args->namelen);
+                __entry->namelen = args->namelen;
+                __entry->valuelen = args->valuelen;
+                __entry->hashval = args->hashval;
+                __entry->op_flags = args->op_flags;
+        ),
+        TP_printk("dev %d:%d ino 0x%llx name %.*s namelen %d valuelen %d "
+                  "hashval 0x%x op_flags %s",
+                  MAJOR(__entry->dev), MINOR(__entry->dev),
+                  __entry->ino,
+                  __entry->namelen,
+                  __entry->namelen ? __get_str(name) : NULL,
+                  __entry->namelen,
+                  __entry->valuelen,
+                  __entry->hashval,
+                  __print_flags(__entry->op_flags, "|", XFS_DA_OP_FLAGS))
+)
+
 #define DEFINE_ATTR_EVENT(name) \
-DEFINE_EVENT(xfs_da_class, name, \
+DEFINE_EVENT(xfs_attr_class, name, \
         TP_PROTO(struct xfs_da_args *args), \
         TP_ARGS(args))
 DEFINE_ATTR_EVENT(xfs_attr_sf_add);
@@ -1517,10 +1553,14 @@ DEFINE_ATTR_EVENT(xfs_attr_sf_to_leaf);
 DEFINE_ATTR_EVENT(xfs_attr_leaf_add);
 DEFINE_ATTR_EVENT(xfs_attr_leaf_add_old);
 DEFINE_ATTR_EVENT(xfs_attr_leaf_add_new);
+DEFINE_ATTR_EVENT(xfs_attr_leaf_add_work);
 DEFINE_ATTR_EVENT(xfs_attr_leaf_addname);
 DEFINE_ATTR_EVENT(xfs_attr_leaf_create);
+DEFINE_ATTR_EVENT(xfs_attr_leaf_compact);
+DEFINE_ATTR_EVENT(xfs_attr_leaf_get);
 DEFINE_ATTR_EVENT(xfs_attr_leaf_lookup);
 DEFINE_ATTR_EVENT(xfs_attr_leaf_replace);
+DEFINE_ATTR_EVENT(xfs_attr_leaf_remove);
 DEFINE_ATTR_EVENT(xfs_attr_leaf_removename);
 DEFINE_ATTR_EVENT(xfs_attr_leaf_split);
 DEFINE_ATTR_EVENT(xfs_attr_leaf_split_before);
@@ -1532,12 +1572,21 @@ DEFINE_ATTR_EVENT(xfs_attr_leaf_to_sf);
 DEFINE_ATTR_EVENT(xfs_attr_leaf_to_node);
 DEFINE_ATTR_EVENT(xfs_attr_leaf_rebalance);
 DEFINE_ATTR_EVENT(xfs_attr_leaf_unbalance);
+DEFINE_ATTR_EVENT(xfs_attr_leaf_toosmall);
 
 DEFINE_ATTR_EVENT(xfs_attr_node_addname);
+DEFINE_ATTR_EVENT(xfs_attr_node_get);
 DEFINE_ATTR_EVENT(xfs_attr_node_lookup);
 DEFINE_ATTR_EVENT(xfs_attr_node_replace);
 DEFINE_ATTR_EVENT(xfs_attr_node_removename);
 
+DEFINE_ATTR_EVENT(xfs_attr_fillstate);
+DEFINE_ATTR_EVENT(xfs_attr_refillstate);
+
+DEFINE_ATTR_EVENT(xfs_attr_rmtval_get);
+DEFINE_ATTR_EVENT(xfs_attr_rmtval_set);
+DEFINE_ATTR_EVENT(xfs_attr_rmtval_remove);
+
 #define DEFINE_DA_EVENT(name) \
 DEFINE_EVENT(xfs_da_class, name, \
         TP_PROTO(struct xfs_da_args *args), \
@@ -1556,9 +1605,12 @@ DEFINE_DA_EVENT(xfs_da_node_split);
 DEFINE_DA_EVENT(xfs_da_node_remove);
 DEFINE_DA_EVENT(xfs_da_node_rebalance);
 DEFINE_DA_EVENT(xfs_da_node_unbalance);
+DEFINE_DA_EVENT(xfs_da_node_toosmall);
 DEFINE_DA_EVENT(xfs_da_swap_lastblock);
 DEFINE_DA_EVENT(xfs_da_grow_inode);
 DEFINE_DA_EVENT(xfs_da_shrink_inode);
+DEFINE_DA_EVENT(xfs_da_fixhashpath);
+DEFINE_DA_EVENT(xfs_da_path_shift);
 
 DECLARE_EVENT_CLASS(xfs_dir2_space_class,
         TP_PROTO(struct xfs_da_args *args, int idx),