65a7fb47ff
Reason: If test a very long time, it will overflow when we use int Change-Id: I729e8cb5862ab78808da5121666b41e599e1dddb Signed-off-by: Ziye Yang <optimistyzy@gmail.com> Reviewed-on: https://review.gerrithub.io/392122 Tested-by: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>