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f2fs: add a tracepoint for sync_dirty_inodes

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This patch adds a tracepoint for sync_dirty_inodes.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2015-12-17 17:17:16 +08:00 committed by Jaegeuk Kim
parent 7df3a4318d
commit 4cf185379b
2 changed files with 46 additions and 0 deletions
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8
fs/f2fs/checkpoint.c
View File

@ -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);

38
include/trace/events/f2fs.h
View File

@ -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 */