f2fs: add a tracepoint for f2fs_write_{meta,node,data}_page

This patch adds a tracepoint for f2fs_write_{meta,node,data}_page to trace when
page is writting out.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 483804b55742..d70991e69e58 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -751,6 +751,13 @@ DECLARE_EVENT_CLASS(f2fs__page,
                 __entry->dirty)
 );
 
+DEFINE_EVENT(f2fs__page, f2fs_writepage,
+
+        TP_PROTO(struct page *page, int type),
+
+        TP_ARGS(page, type)
+);
+
 DEFINE_EVENT(f2fs__page, f2fs_set_page_dirty,
 
         TP_PROTO(struct page *page, int type),