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f2fs: add submit_bio tracepoint

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This patch adds final submit_bio() tracepoint.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
tirimbino
Jaegeuk Kim 8 years ago
parent d621e6b370
commit 554b5125f5
2 changed files with 38 additions and 19 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 12
      fs/f2fs/data.c
  2. 45
      include/trace/events/f2fs.h

12
fs/f2fs/data.c
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@ -175,6 +175,10 @@ static inline void __submit_bio(struct f2fs_sb_info *sbi,
current->plug && (type == DATA || type == NODE))
blk_finish_plug(current->plug);
}
if (is_read_io(bio_op(bio)))
trace_f2fs_submit_read_bio(sbi->sb, type, bio);
else
trace_f2fs_submit_write_bio(sbi->sb, type, bio);
submit_bio(bio);
}
@ -185,12 +189,12 @@ static void __submit_merged_bio(struct f2fs_bio_info *io)
if (!io->bio)
return;
bio_set_op_attrs(io->bio, fio->op, fio->op_flags);
if (is_read_io(fio->op))
trace_f2fs_submit_read_bio(io->sbi->sb, fio, io->bio);
trace_f2fs_prepare_read_bio(io->sbi->sb, fio->type, io->bio);
else
trace_f2fs_submit_write_bio(io->sbi->sb, fio, io->bio);
bio_set_op_attrs(io->bio, fio->op, fio->op_flags);
trace_f2fs_prepare_write_bio(io->sbi->sb, fio->type, io->bio);
__submit_bio(io->sbi, io->bio, fio->type);
io->bio = NULL;

45
include/trace/events/f2fs.h
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@ -784,12 +784,11 @@ DEFINE_EVENT_CONDITION(f2fs__submit_page_bio, f2fs_submit_page_mbio,
TP_CONDITION(page->mapping)
);
DECLARE_EVENT_CLASS(f2fs__submit_bio,
DECLARE_EVENT_CLASS(f2fs__bio,
TP_PROTO(struct super_block *sb, struct f2fs_io_info *fio,
struct bio *bio),
TP_PROTO(struct super_block *sb, int type, struct bio *bio),
TP_ARGS(sb, fio, bio),
TP_ARGS(sb, type, bio),
TP_STRUCT__entry(
__field(dev_t, dev)
@ -802,9 +801,9 @@ DECLARE_EVENT_CLASS(f2fs__submit_bio,
TP_fast_assign(
__entry->dev = sb->s_dev;
__entry->op = fio->op;
__entry->op_flags = fio->op_flags;
__entry->type = fio->type;
__entry->op = bio_op(bio);
__entry->op_flags = bio->bi_opf;
__entry->type = type;
__entry->sector = bio->bi_iter.bi_sector;
__entry->size = bio->bi_iter.bi_size;
),
@ -817,22 +816,38 @@ DECLARE_EVENT_CLASS(f2fs__submit_bio,
__entry->size)
);
DEFINE_EVENT_CONDITION(f2fs__submit_bio, f2fs_submit_write_bio,
DEFINE_EVENT_CONDITION(f2fs__bio, f2fs_prepare_write_bio,
TP_PROTO(struct super_block *sb, int type, struct bio *bio),
TP_ARGS(sb, type, bio),
TP_CONDITION(bio)
);
DEFINE_EVENT_CONDITION(f2fs__bio, f2fs_prepare_read_bio,
TP_PROTO(struct super_block *sb, int type, struct bio *bio),
TP_ARGS(sb, type, bio),
TP_CONDITION(bio)
);
DEFINE_EVENT_CONDITION(f2fs__bio, f2fs_submit_read_bio,
TP_PROTO(struct super_block *sb, struct f2fs_io_info *fio,
struct bio *bio),
TP_PROTO(struct super_block *sb, int type, struct bio *bio),
TP_ARGS(sb, fio, bio),
TP_ARGS(sb, type, bio),
TP_CONDITION(bio)
);
DEFINE_EVENT_CONDITION(f2fs__submit_bio, f2fs_submit_read_bio,
DEFINE_EVENT_CONDITION(f2fs__bio, f2fs_submit_write_bio,
TP_PROTO(struct super_block *sb, struct f2fs_io_info *fio,
struct bio *bio),
TP_PROTO(struct super_block *sb, int type, struct bio *bio),
TP_ARGS(sb, fio, bio),
TP_ARGS(sb, type, bio),
TP_CONDITION(bio)
);

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