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* ringtest: commonize implementation of poll_avail/poll_usedPaolo Bonzini2016-10-30
| | | | | | | | Provide new primitives used_empty/avail_empty and build poll_avail/poll_used on top of it. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* tools/virtio: add noring toolMichael S. Tsirkin2016-06-06
Useful to measure testing framework overhead. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>