dabba: give up rpc call after a 10 sec timeout.

Signed-off-by: Emmanuel Roullit <emmanuel.roullit@gmail.com>
dabbad: return cpu affinity string representation.

Signed-off-by: Emmanuel Roullit <emmanuel.roullit@gmail.com>
dabbad: add string to cpu affinity converter.

Signed-off-by: Emmanuel Roullit <emmanuel.roullit@gmail.com>