tree c051ed89beb37b198c94cf2e6928cdb1993e7ea4
parent 6d519a5f95960176039baf0af8799fa289915534
author Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> 1274703561 +0100
committer Anthony Liguori <aliguori@us.ibm.com> 1284067365 -0500

trace: Trace virtqueue operations

This patch adds trace events for virtqueue operations including
adding/removing buffers, notifying the guest, and receiving a notify
from the guest.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>