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Commit 87b8872d authored by Chao Yu's avatar Chao Yu Committed by Jaegeuk Kim
Browse files

f2fs: adds a tracepoint for submit_read_page 



This patch adds a tracepoint for submit_read_page.

Signed-off-by: default avatarChao Yu <chao2.yu@samsung.com>
[Jaegeuk Kim: integrate tracepoints of f2fs_submit_read(_write)_page]
Signed-off-by: default avatarJaegeuk Kim <jaegeuk.kim@samsung.com>
parent 61ae45c8

fs/f2fs/data.c

+1 −0
Original line number Diff line number Diff line
@@ -462,6 +462,7 @@ void submit_read_page(struct f2fs_sb_info *sbi, struct page *page, 
	io->last_block_in_bio = blk_addr;



	mutex_unlock(&io->io_mutex);

	trace_f2fs_submit_read_page(page, rw, META, blk_addr);

}



/*

fs/f2fs/segment.c

+1 −1
Original line number Diff line number Diff line
@@ -923,7 +923,7 @@ static void submit_write_page(struct f2fs_sb_info *sbi, struct page *page, 
	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,

include/trace/events/f2fs.h

+21 −4
Original line number Diff line number Diff line
@@ -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),