From: Chao Yu Date: Tue, 6 May 2014 08:48:26 +0000 (+0800) Subject: f2fs: add a tracepoint for f2fs_write_{meta,node,data}_page X-Git-Tag: v4.9.8~6287^2~14 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ecda0de3430455378f1c02523bf3ad71d91d613a;p=platform%2Fkernel%2Flinux-rpi3.git 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 Signed-off-by: Jaegeuk Kim --- diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 4206f16..c95d622 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -157,6 +157,8 @@ static int f2fs_write_meta_page(struct page *page, struct inode *inode = page->mapping->host; struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); + trace_f2fs_writepage(page, META); + if (unlikely(sbi->por_doing)) goto redirty_out; if (wbc->for_reclaim) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index ea58fb6..b997d55 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -788,6 +788,8 @@ static int f2fs_write_data_page(struct page *page, .rw = (wbc->sync_mode == WB_SYNC_ALL) ? WRITE_SYNC : WRITE, }; + trace_f2fs_writepage(page, DATA); + if (page->index < end_index) goto write; diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 059aaf5..49bdddb 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1199,6 +1199,8 @@ static int f2fs_write_node_page(struct page *page, .rw = (wbc->sync_mode == WB_SYNC_ALL) ? WRITE_SYNC : WRITE, }; + trace_f2fs_writepage(page, NODE); + if (unlikely(sbi->por_doing)) goto redirty_out; diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 483804b..d70991e 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),