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authorJaegeuk Kim <jaegeuk.kim@samsung.com>2013-10-25 14:26:31 +0900
committerJaegeuk Kim <jaegeuk.kim@samsung.com>2013-10-25 16:54:40 +0900
commite943a10d94f6076f7bc8da91828cbdca5fbf62fc (patch)
tree482befa0b77b78517631f6e158f07a45228f6919
parent26c6b8879911df991dc780c67eaeb84c7629949d (diff)
downloadblackbird-op-linux-e943a10d94f6076f7bc8da91828cbdca5fbf62fc.tar.gz
blackbird-op-linux-e943a10d94f6076f7bc8da91828cbdca5fbf62fc.zip
f2fs: add tracepoint for vm_page_mkwrite
This patch adds a tracepoint for f2fs_vm_page_mkwrite. Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
-rw-r--r--fs/f2fs/file.c1
-rw-r--r--include/trace/events/f2fs.h7
2 files changed, 8 insertions, 0 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index c80faa2fff39..2d4190a4abe3 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -88,6 +88,7 @@ static int f2fs_vm_page_mkwrite(struct vm_area_struct *vma,
set_page_dirty(page);
SetPageUptodate(page);
+ trace_f2fs_vm_page_mkwrite(page, DATA);
mapped:
/* fill the page */
wait_on_page_writeback(page);
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index ebde3afb89cd..e0dc355fa317 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -667,6 +667,13 @@ DEFINE_EVENT(f2fs__page, f2fs_set_page_dirty,
TP_ARGS(page, type)
);
+DEFINE_EVENT(f2fs__page, f2fs_vm_page_mkwrite,
+
+ TP_PROTO(struct page *page, int type),
+
+ TP_ARGS(page, type)
+);
+
TRACE_EVENT(f2fs_submit_write_page,
TP_PROTO(struct page *page, block_t blk_addr, int type),
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