On Wed, Jun 28, 2017 at 09:57:02PM -0600, Edmund Nadolski wrote:
> From: Jeff Mahoney <jeffm@xxxxxxxx>
> +DECLARE_EVENT_CLASS(btrfs__prelim_ref,
> + TP_PROTO(const struct btrfs_fs_info *fs_info,
> + const struct prelim_ref *oldref,
> + const struct prelim_ref *newref, u64 tree_size),
> + TP_ARGS(fs_info, newref, oldref, tree_size),
> +
> + TP_STRUCT__entry_btrfs(
> + __field( u64, root_id )
> + __field( u64, objectid )
> + __field( u8, type )
> + __field( u64, offset )
> + __field( int, level )
> + __field( int, old_count )
> + __field( u64, parent )
> + __field( u64, bytenr )
> + __field( int, mod_count )
> + __field( u64, tree_size )
> + ),
> +
> + TP_fast_assign_btrfs(fs_info,
> + __entry->root_id = oldref->root_id;
> + __entry->objectid = oldref->key_for_search.objectid;
> + __entry->type = oldref->key_for_search.type;
> + __entry->offset = oldref->key_for_search.offset;
> + __entry->level = oldref->level;
> + __entry->old_count = oldref->count;
> + __entry->parent = oldref->parent;
> + __entry->bytenr = oldref->wanted_disk_byte;
> + __entry->mod_count = newref ? newref->count : 0;
> + __entry->tree_size = tree_size;
> + ),
> +
> + TP_printk_btrfs("root=%llu, key=[%llu, %u, %llu], level=%d, count=[%d+%d=%d], parent=%llu, wanted_disk_byte=%llu, nodes=%llu",
Please update the format according to the recommendations
https://btrfs.wiki.kernel.org/index.php/Development_notes#Tracepoints
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