diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6a3c19690..8618d8815 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,6 +25,8 @@ required bdev.
 
 New `spdk_bdev_copy_blocks` and `spdk_bdev_get_max_copy` APIs to support copy commands.
 
+A new API `spdk_bdev_io_get_submit_tsc` was added to get the submit_tsc of the bdev I/O.
+
 ## v22.09
 
 ### accel
diff --git a/include/spdk/bdev_module.h b/include/spdk/bdev_module.h
index d598d05d6..e0f572f06 100644
--- a/include/spdk/bdev_module.h
+++ b/include/spdk/bdev_module.h
@@ -1077,6 +1077,15 @@ struct spdk_thread *spdk_bdev_io_get_thread(struct spdk_bdev_io *bdev_io);
  */
 struct spdk_io_channel *spdk_bdev_io_get_io_channel(struct spdk_bdev_io *bdev_io);
 
+/**
+ * Get the submit_tsc of a bdev I/O.
+ *
+ * \param bdev_io The bdev I/O to get the submit_tsc.
+ *
+ * \return The submit_tsc of the specified bdev I/O.
+ */
+uint64_t spdk_bdev_io_get_submit_tsc(struct spdk_bdev_io *bdev_io);
+
 /**
  * Resize for a bdev.
  *
diff --git a/lib/bdev/bdev.c b/lib/bdev/bdev.c
index 0bdbf0131..0a5a1dba4 100644
--- a/lib/bdev/bdev.c
+++ b/lib/bdev/bdev.c
@@ -3095,6 +3095,12 @@ spdk_bdev_io_type_supported(struct spdk_bdev *bdev, enum spdk_bdev_io_type io_ty
 	return supported;
 }
 
+uint64_t
+spdk_bdev_io_get_submit_tsc(struct spdk_bdev_io *bdev_io)
+{
+	return bdev_io->internal.submit_tsc;
+}
+
 int
 spdk_bdev_dump_info_json(struct spdk_bdev *bdev, struct spdk_json_write_ctx *w)
 {
diff --git a/lib/bdev/spdk_bdev.map b/lib/bdev/spdk_bdev.map
index c04cc7dc6..26ae9aa96 100644
--- a/lib/bdev/spdk_bdev.map
+++ b/lib/bdev/spdk_bdev.map
@@ -134,6 +134,7 @@
 	spdk_bdev_io_complete_aio_status;
 	spdk_bdev_io_get_thread;
 	spdk_bdev_io_get_io_channel;
+	spdk_bdev_io_get_submit_tsc;
 	spdk_bdev_notify_blockcnt_change;
 	spdk_scsi_nvme_translate;
 	spdk_bdev_module_list_add;