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authorChao Yu <chao2.yu@samsung.com>2015-12-17 17:17:16 +0800
committerMister Oyster <oysterized@gmail.com>2017-04-13 12:32:35 +0200
commit21d94f2d555e3a46584cc25ddd9f6ba61c613eb9 (patch)
tree2c22d83599f521638383a916f6e5c6d793ec11d3
parent60c192e3f9e46bb783ba156095aceeb1cecb2fb6 (diff)
f2fs: add a tracepoint for sync_dirty_inodes
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>
-rw-r--r--fs/f2fs/checkpoint.c8
-rw-r--r--include/trace/events/f2fs.h38
2 files changed, 46 insertions, 0 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 92ca14675..2acee0479 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -804,6 +804,11 @@ 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;
@@ -813,6 +818,9 @@ retry:
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);
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 18550209f..79f872a92 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -1227,6 +1227,44 @@ 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 */