Commit 4cf18537 authored by Chao Yu's avatar Chao Yu Committed by Jaegeuk Kim
Browse files

f2fs: add a tracepoint for sync_dirty_inodes 



This patch adds a tracepoint for sync_dirty_inodes.

Signed-off-by: default avatarChao Yu <chao2.yu@samsung.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 7df3a431

fs/f2fs/checkpoint.c

+8 −0
Original line number Diff line number Diff line
@@ -803,6 +803,11 @@ void sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type) 
	struct list_head *head;

	struct inode *inode;

	struct f2fs_inode_info *fi;

	bool is_dir = (type == DIR_INODE);



	trace_f2fs_sync_dirty_inodes_enter(sbi->sb, is_dir,

				get_pages(sbi, is_dir ?

				F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA));

retry:

	if (unlikely(f2fs_cp_error(sbi)))

		return;
@@ -812,6 +817,9 @@ void sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type) 
	head = &sbi->inode_list[type];

	if (list_empty(head)) {

		spin_unlock(&sbi->inode_lock[type]);

		trace_f2fs_sync_dirty_inodes_exit(sbi->sb, is_dir,

				get_pages(sbi, is_dir ?

				F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA));

		return;

	}

	fi = list_entry(head->next, struct f2fs_inode_info, dirty_list);

include/trace/events/f2fs.h

+38 −0
Original line number Diff line number Diff line
@@ -1265,6 +1265,44 @@ TRACE_EVENT(f2fs_destroy_extent_tree, 
		__entry->node_cnt)

);



DECLARE_EVENT_CLASS(f2fs_sync_dirty_inodes,



	TP_PROTO(struct super_block *sb, int type, int count),



	TP_ARGS(sb, type, count),



	TP_STRUCT__entry(

		__field(dev_t, dev)

		__field(int, type)

		__field(int, count)

	),



	TP_fast_assign(

		__entry->dev	= sb->s_dev;

		__entry->type	= type;

		__entry->count	= count;

	),



	TP_printk("dev = (%d,%d), %s, dirty count = %d",

		show_dev(__entry),

		show_file_type(__entry->type),

		__entry->count)

);



DEFINE_EVENT(f2fs_sync_dirty_inodes, f2fs_sync_dirty_inodes_enter,



	TP_PROTO(struct super_block *sb, int type, int count),



	TP_ARGS(sb, type, count)

);



DEFINE_EVENT(f2fs_sync_dirty_inodes, f2fs_sync_dirty_inodes_exit,



	TP_PROTO(struct super_block *sb, int type, int count),



	TP_ARGS(sb, type, count)

);



#endif /* _TRACE_F2FS_H */



 /* This part must be outside protection */