Create a -r argument to specify a random seed. If no argument is
provided, the seed defaults to 1. The random seed is set with
perf_test_set_random_seed() and must be set before guest_code runs to
apply.
Signed-off-by: NColton Lewis <coltonlewis@google.com>
Reviewed-by: NDavid Matlack <dmatlack@google.com>
Link: https://lore.kernel.org/r/20221107182208.479157-3-coltonlewis@google.comSigned-off-by: NSean Christopherson <seanjc@google.com>