Messages in this thread Patch in this message | | | From | Jaegeuk Kim <> | Subject | [PATCH 2/2] f2fs: add tracepoint for vm_page_mkwrite | Date | Fri, 25 Oct 2013 14:34:59 +0900 |
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This patch adds a tracepoint for f2fs_vm_page_mkwrite.
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com> --- fs/f2fs/file.c | 1 + include/trace/events/f2fs.h | 7 +++++++ 2 files changed, 8 insertions(+)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index c80faa2..2d4190a 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 ebde3af..e0dc355 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), -- 1.8.4.474.g128a96c
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