From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from userp1040.oracle.com ([156.151.31.81]:39022 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752115AbcLMXuT (ORCPT ); Tue, 13 Dec 2016 18:50:19 -0500 From: Liu Bo To: linux-btrfs@vger.kernel.org Cc: David Sterba Subject: [PATCH v2] Btrfs: add 'inode' for extent map tracepoint Date: Tue, 13 Dec 2016 15:57:25 -0800 Message-Id: <1481673445-29859-1-git-send-email-bo.li.liu@oracle.com> In-Reply-To: <1480628641-17476-1-git-send-email-bo.li.liu@oracle.com> References: <1480628641-17476-1-git-send-email-bo.li.liu@oracle.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: 'inode' is an important field for btrfs_get_extent, lets trace it. Signed-off-by: Liu Bo --- v2: add 'unsigned long long' for consistence. fs/btrfs/inode.c | 2 +- include/trace/events/btrfs.h | 12 ++++++++---- 2 files changed, 9 insertions(+), 5 deletions(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 8e3a5a2..1cdd23c 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -7081,7 +7081,7 @@ 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..ef80740 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; @@ -214,11 +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->ino, (unsigned long long)__entry->start, (unsigned long long)__entry->len, (unsigned long long)__entry->orig_start, -- 2.5.5