This patch adds final submit_bio() tracepoint.
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/f2fs/data.c | 1 +
include/trace/events/f2fs.h | 31 +++++++++++++++++++++++++++++++
2 files changed, 32 insertions(+)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 2c5df1dc1479..54da4e2f1318 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -175,6 +175,7 @@ static inline void __submit_bio(struct f2fs_sb_info *sbi,
current->plug && (type == DATA || type == NODE))
blk_finish_plug(current->plug);
}
+ trace_f2fs_submit_bio(sbi->sb, bio);
submit_bio(bio);
}
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 4c942599581b..094d92b52450 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -55,6 +55,8 @@ TRACE_DEFINE_ENUM(CP_DISCARD);
{ IPU, "IN-PLACE" }, \
{ OPU, "OUT-OF-PLACE" })
+#define F2FS_OP (REQ_OP_READ | REQ_OP_RAHEAD | REQ_SYNC | REQ_PREFLUSH | REQ_META |\
+ REQ_PRIO)
#define F2FS_OP_FLAGS (REQ_RAHEAD | REQ_SYNC | REQ_PREFLUSH | REQ_META |\
REQ_PRIO)
#define F2FS_BIO_FLAG_MASK(t) (t & F2FS_OP_FLAGS)
@@ -837,6 +839,35 @@ DEFINE_EVENT_CONDITION(f2fs__submit_bio, f2fs_submit_read_bio,
TP_CONDITION(bio)
);
+TRACE_EVENT(f2fs_submit_bio,
+
+ TP_PROTO(struct super_block *sb, struct bio *bio),
+
+ TP_ARGS(sb, bio),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(int, op)
+ __field(int, op_flags)
+ __field(sector_t, sector)
+ __field(unsigned int, size)
+ ),
+
+ TP_fast_assign(
+ __entry->dev = sb->s_dev;
+ __entry->op = bio->bi_opf & REQ_OP_MASK;
+ __entry->op_flags = bio->bi_opf;
+ __entry->sector = bio->bi_iter.bi_sector;
+ __entry->size = bio->bi_iter.bi_size;
+ ),
+
+ TP_printk("dev = (%d,%d), rw = %s%s, sector = %lld, size = %u",
+ show_dev(__entry),
+ show_bio_type(__entry->op, __entry->op_flags),
+ (unsigned long long)__entry->sector,
+ __entry->size)
+);
+
TRACE_EVENT(f2fs_write_begin,
TP_PROTO(struct inode *inode, loff_t pos, unsigned int len,
--
2.11.0
--
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