virtio-blk: add virtio_blk_handle_read trace event
authorStefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Thu, 22 Dec 2011 13:17:02 +0000 (13:17 +0000)
committerKevin Wolf <kwolf@redhat.com>
Thu, 26 Jan 2012 13:49:18 +0000 (14:49 +0100)
commit81b6b9faef111f4493addc2ed19903feace332bf
treebedffd6f10bc4579efd738e53909ce444b69e9e9
parent094f1ba10ab341b8d1306e863698a07b2afa6b09
virtio-blk: add virtio_blk_handle_read trace event

There already exists a virtio_blk_handle_write trace event as well as
completion events.  Add the virtio_blk_handle_read event so it's easy to
trace virtio-blk requests for both read and write operations.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
hw/virtio-blk.c
trace-events