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f2fs: adds a tracepoint for f2fs_submit_read_bio 

This patch adds a tracepoint for f2fs_submit_read_bio.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
[Jaegeuk Kim: integrate tracepoints of f2fs_submit_read(_write)_bio]
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Chao Yu 2013-11-24 12:36:42 +09:00 committed by Jaegeuk Kim
parent 87b8872d5b
commit d4d288bc72
3 changed files with 37 additions and 19 deletions
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2
fs/f2fs/data.c
View File

@ -421,6 +421,8 @@ void f2fs_submit_read_bio(struct f2fs_sb_info *sbi, int rw)
if (!io->bio)
return;
trace_f2fs_submit_read_bio(sbi->sb, rw, META, io->bio);
mutex_lock(&io->io_mutex);
if (io->bio) {
submit_bio(rw, io->bio);

5
fs/f2fs/segment.c
View File

@ -844,6 +844,9 @@ 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;
@ -851,8 +854,6 @@ static void do_submit_bio(struct f2fs_sb_info *sbi,
p->sbi = sbi;
io->bio->bi_end_io = f2fs_end_io_write;
trace_f2fs_do_submit_bio(sbi->sb, btype, sync, io->bio);
if (type == META_FLUSH) {
DECLARE_COMPLETION_ONSTACK(wait);
p->is_sync = true;

49
include/trace/events/f2fs.h
View File

@ -18,13 +18,14 @@
#define show_bio_type(type) \
__print_symbolic(type, \
{ READ, "READ" }, \
{ READA, "READAHEAD" }, \
{ READ_SYNC, "READ_SYNC" }, \
{ WRITE, "WRITE" }, \
{ WRITE_SYNC, "WRITE_SYNC" }, \
{ WRITE_FLUSH, "WRITE_FLUSH" }, \
{ WRITE_FUA, "WRITE_FUA" })
{ READ, "READ" }, \
{ READA, "READAHEAD" }, \
{ READ_SYNC, "READ_SYNC" }, \
{ WRITE, "WRITE" }, \
{ WRITE_SYNC, "WRITE_SYNC" }, \
{ WRITE_FLUSH, "WRITE_FLUSH" }, \
{ WRITE_FUA, "WRITE_FUA" }, \
{ WRITE_FLUSH_FUA, "WRITE_FLUSH_FUA" })
#define show_data_type(type) \
__print_symbolic(type, \
@ -598,36 +599,50 @@ TRACE_EVENT(f2fs_reserve_new_block,
__entry->ofs_in_node)
);
TRACE_EVENT(f2fs_do_submit_bio,
DECLARE_EVENT_CLASS(f2fs__submit_bio,
TP_PROTO(struct super_block *sb, int btype, bool sync, struct bio *bio),
TP_PROTO(struct super_block *sb, int rw, int type, struct bio *bio),
TP_ARGS(sb, btype, sync, bio),
TP_ARGS(sb, rw, type, bio),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(int, btype)
__field(bool, sync)
__field(int, rw)
__field(int, type)
__field(sector_t, sector)
__field(unsigned int, size)
),
TP_fast_assign(
__entry->dev = sb->s_dev;
__entry->btype = btype;
__entry->sync = sync;
__entry->rw = rw;
__entry->type = type;
__entry->sector = bio->bi_sector;
__entry->size = bio->bi_size;
),
TP_printk("dev = (%d,%d), type = %s, io = %s, sector = %lld, size = %u",
TP_printk("dev = (%d,%d), %s, %s, sector = %lld, size = %u",
show_dev(__entry),
show_block_type(__entry->btype),
__entry->sync ? "sync" : "no sync",
show_bio_type(__entry->rw),
show_block_type(__entry->type),
(unsigned long long)__entry->sector,
__entry->size)
);
DEFINE_EVENT(f2fs__submit_bio, f2fs_submit_write_bio,
TP_PROTO(struct super_block *sb, int rw, int type, struct bio *bio),
TP_ARGS(sb, rw, type, bio)
);
DEFINE_EVENT(f2fs__submit_bio, f2fs_submit_read_bio,
TP_PROTO(struct super_block *sb, int rw, int type, struct bio *bio),
TP_ARGS(sb, rw, type, bio)
);
DECLARE_EVENT_CLASS(f2fs__page,
TP_PROTO(struct page *page, int type),