Replacing wr_id usage with qp_index

Perftest assumes that all WQEs are created with the QP index as their wr_id. This creates a situation where WQEs do not have unique IDs. Instead, log the completion QP number, and get the QP index from the wr_id through a local variable with an appropriate name. Reviewed-by: Yonatan Nachum <ynachum@amazon.com> Reviewed-by: Daniel Kranzdorf <dkkranzd@amazon.com> Signed-off-by: Nitzan Lavy <nlavy@amazon.com>

Author: Nitzan Lavy