Message ID | 1480628641-17476-1-git-send-email-bo.li.liu@oracle.com (mailing list archive) |
---|---|
State | Superseded |
Headers | show |
On Thu, Dec 01, 2016 at 01:44:01PM -0800, Liu Bo wrote: > TP_STRUCT__entry_btrfs( > __field( u64, root_objectid ) > + __field( u64, ino ) > __field( u64, start ) > __field( u64, len ) > __field( u64, orig_start ) > @@ -204,7 +206,8 @@ TRACE_EVENT_CONDITION(btrfs_get_extent, > > TP_fast_assign_btrfs(root->fs_info, > __entry->root_objectid = root->root_key.objectid; > - __entry->start = map->start; > + __entry->ino = btrfs_ino(inode); > + __entry->start = map->start; > __entry->len = map->len; > __entry->orig_start = map->orig_start; > __entry->block_start = map->block_start; > @@ -214,12 +217,12 @@ TRACE_EVENT_CONDITION(btrfs_get_extent, > __entry->compress_type = map->compress_type; > ), > > - TP_printk_btrfs("root = %llu(%s), start = %llu, len = %llu, " > + TP_printk_btrfs("root = %llu(%s), ino = %llu start = %llu, len = %llu, " > "orig_start = %llu, block_start = %llu(%s), " > "block_len = %llu, flags = %s, refs = %u, " > "compress_type = %u", > show_root_type(__entry->root_objectid), > - (unsigned long long)__entry->start, > + __entry->ino, (unsigned long long)__entry->start, I think the (unsigned long long) cast should be used here as well, at least for consistency with the other u64. > (unsigned long long)__entry->len, > (unsigned long long)__entry->orig_start, > show_map_type(__entry->block_start), -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 603dd492..79f35b6 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -7095,7 +7095,7 @@ struct extent_map *btrfs_get_extent(struct inode *inode, struct page *page, write_unlock(&em_tree->lock); out: - trace_btrfs_get_extent(root, em); + trace_btrfs_get_extent(root, inode, em); btrfs_free_path(path); if (trans) { diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h index e030d6f..0e04208 100644 --- a/include/trace/events/btrfs.h +++ b/include/trace/events/btrfs.h @@ -184,14 +184,16 @@ DEFINE_EVENT(btrfs__inode, btrfs_inode_evict, TRACE_EVENT_CONDITION(btrfs_get_extent, - TP_PROTO(struct btrfs_root *root, struct extent_map *map), + TP_PROTO(struct btrfs_root *root, struct inode *inode, + struct extent_map *map), - TP_ARGS(root, map), + TP_ARGS(root, inode, map), TP_CONDITION(map), TP_STRUCT__entry_btrfs( __field( u64, root_objectid ) + __field( u64, ino ) __field( u64, start ) __field( u64, len ) __field( u64, orig_start ) @@ -204,7 +206,8 @@ TRACE_EVENT_CONDITION(btrfs_get_extent, TP_fast_assign_btrfs(root->fs_info, __entry->root_objectid = root->root_key.objectid; - __entry->start = map->start; + __entry->ino = btrfs_ino(inode); + __entry->start = map->start; __entry->len = map->len; __entry->orig_start = map->orig_start; __entry->block_start = map->block_start; @@ -214,12 +217,12 @@ TRACE_EVENT_CONDITION(btrfs_get_extent, __entry->compress_type = map->compress_type; ), - TP_printk_btrfs("root = %llu(%s), start = %llu, len = %llu, " + TP_printk_btrfs("root = %llu(%s), ino = %llu start = %llu, len = %llu, " "orig_start = %llu, block_start = %llu(%s), " "block_len = %llu, flags = %s, refs = %u, " "compress_type = %u", show_root_type(__entry->root_objectid), - (unsigned long long)__entry->start, + __entry->ino, (unsigned long long)__entry->start, (unsigned long long)__entry->len, (unsigned long long)__entry->orig_start, show_map_type(__entry->block_start),
'inode' is an important field for btrfs_get_extent, lets trace it. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> --- fs/btrfs/inode.c | 2 +- include/trace/events/btrfs.h | 13 ++++++++----- 2 files changed, 9 insertions(+), 6 deletions(-)