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| author |   Chao Yu <chao2.yu@samsung.com> | 2013-11-20 16:40:10 +0800 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-12-23 10:18:02 +0900 |
| commit | 87b8872d5b4a8f9f61123ab913aff4f6047d8b53 (patch) | |
| tree | c04facd80ec93152d2c74c10bb9e27e9bd190020 | |
| parent | f2fs: simplify IS_DATASEG and IS_NODESEG macro (diff) | |
| download | linux-dev-87b8872d5b4a8f9f61123ab913aff4f6047d8b53.tar.xz linux-dev-87b8872d5b4a8f9f61123ab913aff4f6047d8b53.zip | |
f2fs: adds a tracepoint for submit_read_page
This patch adds a tracepoint for submit_read_page.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
[Jaegeuk Kim: integrate tracepoints of f2fs_submit_read(_write)_page]
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
| -rw-r--r-- | fs/f2fs/data.c | 1 | ||||
| -rw-r--r-- | fs/f2fs/segment.c | 2 | ||||
| -rw-r--r-- | include/trace/events/f2fs.h | 25 |
3 files changed, 23 insertions, 5 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index ce3cbd92585e..cdb342eeb421 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -462,6 +462,7 @@ alloc_new: io->last_block_in_bio = blk_addr; mutex_unlock(&io->io_mutex); + trace_f2fs_submit_read_page(page, rw, META, blk_addr); } /* diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 38c1a89f54cc..d42426dc3706 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -923,7 +923,7 @@ retry: io->last_block_in_bio = blk_addr; mutex_unlock(&io->io_mutex); - trace_f2fs_submit_write_page(page, blk_addr, type); + trace_f2fs_submit_write_page(page, WRITE, type, blk_addr); } void f2fs_wait_on_page_writeback(struct page *page, diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 47ee70de7fed..73cc5f07d1ba 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -674,15 +674,16 @@ DEFINE_EVENT(f2fs__page, f2fs_vm_page_mkwrite, TP_ARGS(page, type) ); -TRACE_EVENT(f2fs_submit_write_page, +DECLARE_EVENT_CLASS(f2fs_io_page, - TP_PROTO(struct page *page, block_t blk_addr, int type), + TP_PROTO(struct page *page, int rw, int type, block_t blk_addr), - TP_ARGS(page, blk_addr, type), + TP_ARGS(page, rw, type, blk_addr), TP_STRUCT__entry( __field(dev_t, dev) __field(ino_t, ino) + __field(int, rw) __field(int, type) __field(pgoff_t, index) __field(block_t, block) @@ -691,18 +692,34 @@ TRACE_EVENT(f2fs_submit_write_page, TP_fast_assign( __entry->dev = page->mapping->host->i_sb->s_dev; __entry->ino = page->mapping->host->i_ino; + __entry->rw = rw; __entry->type = type; __entry->index = page->index; __entry->block = blk_addr; ), - TP_printk("dev = (%d,%d), ino = %lu, %s, index = %lu, blkaddr = 0x%llx", + TP_printk("dev = (%d,%d), ino = %lu, %s, %s, index = %lu, blkaddr = 0x%llx", show_dev_ino(__entry), + show_bio_type(__entry->rw), show_block_type(__entry->type), (unsigned long)__entry->index, (unsigned long long)__entry->block) ); +DEFINE_EVENT(f2fs_io_page, f2fs_submit_write_page, + + TP_PROTO(struct page *page, int rw, int type, block_t blk_addr), + + TP_ARGS(page, rw, type, blk_addr) +); + +DEFINE_EVENT(f2fs_io_page, f2fs_submit_read_page, + + TP_PROTO(struct page *page, int rw, int type, block_t blk_addr), + + TP_ARGS(page, rw, type, blk_addr) +); + TRACE_EVENT(f2fs_write_checkpoint, TP_PROTO(struct super_block *sb, bool is_umount, char *msg), |