Commit a709f4a2 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: add detailed information of bio types in the tracepoints 



This patch inserts information of bio types in more detail.
So, we can now see REQ_META and REQ_PRIO too.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk.kim@samsung.com>
parent b600965c

fs/f2fs/segment.c

+2 −2
Original line number Diff line number Diff line
@@ -846,11 +846,11 @@ static void do_submit_bio(struct f2fs_sb_info *sbi, 
	if (type >= META_FLUSH)

		rw = WRITE_FLUSH_FUA;



	trace_f2fs_submit_write_bio(sbi->sb, rw, btype, io->bio);



	if (btype == META)

		rw |= REQ_META;



	trace_f2fs_submit_write_bio(sbi->sb, rw, btype, io->bio);



	p = io->bio->bi_private;

	p->sbi = sbi;

	io->bio->bi_end_io = f2fs_end_io_write;

include/trace/events/f2fs.h

+17 −5
Original line number Diff line number Diff line
@@ -16,8 +16,13 @@ 
		{ META,		"META" },				\

		{ META_FLUSH,	"META_FLUSH" })



#define show_bio_type(type)						\

	__print_symbolic(type,						\

#define F2FS_BIO_MASK(t)	(t & (READA | WRITE_FLUSH_FUA))

#define F2FS_BIO_EXTRA_MASK(t)	(t & (REQ_META | REQ_PRIO))



#define show_bio_type(type)	show_bio_base(type), show_bio_extra(type)



#define show_bio_base(type)						\

	__print_symbolic(F2FS_BIO_MASK(type),				\

		{ READ, 		"READ" },			\

		{ READA, 		"READAHEAD" },			\

		{ READ_SYNC, 		"READ_SYNC" },			\
@@ -27,6 +32,13 @@ 
		{ WRITE_FUA, 		"WRITE_FUA" },			\

		{ WRITE_FLUSH_FUA,	"WRITE_FLUSH_FUA" })



#define show_bio_extra(type)						\

	__print_symbolic(F2FS_BIO_EXTRA_MASK(type),			\

		{ REQ_META, 		"(M)" },			\

		{ REQ_PRIO, 		"(P)" },			\

		{ REQ_META | REQ_PRIO,	"(MP)" },			\

		{ 0, " \b" })



#define show_data_type(type)						\

	__print_symbolic(type,						\

		{ CURSEG_HOT_DATA, 	"Hot DATA" },			\
@@ -447,7 +459,7 @@ TRACE_EVENT_CONDITION(f2fs_readpage, 
	),



	TP_printk("dev = (%d,%d), ino = %lu, page_index = 0x%lx, "

		"blkaddr = 0x%llx, bio_type = %s",

		"blkaddr = 0x%llx, bio_type = %s%s",

		show_dev_ino(__entry),

		(unsigned long)__entry->index,

		(unsigned long long)__entry->blkaddr,
@@ -621,7 +633,7 @@ DECLARE_EVENT_CLASS(f2fs__submit_bio, 
		__entry->size		= bio->bi_size;

	),



	TP_printk("dev = (%d,%d), %s, %s, sector = %lld, size = %u",

	TP_printk("dev = (%d,%d), %s%s, %s, sector = %lld, size = %u",

		show_dev(__entry),

		show_bio_type(__entry->rw),

		show_block_type(__entry->type),
@@ -713,7 +725,7 @@ DECLARE_EVENT_CLASS(f2fs_io_page, 
		__entry->block	= blk_addr;

	),



	TP_printk("dev = (%d,%d), ino = %lu, %s, %s, index = %lu, blkaddr = 0x%llx",

	TP_printk("dev = (%d,%d), ino = %lu, %s%s, %s, index = %lu, blkaddr = 0x%llx",

		show_dev_ino(__entry),

		show_bio_type(__entry->rw),

		show_block_type(__entry->type),