We are too verbose in many places. Some scripts don't want to be traced
all the way, instad they enable tracing only for some parts and
autotest_common.sh just do 'set -x' in many places.
This patch save 'x' flag on function enter and restore it at exit.
Change-Id: I39b3d3dd3f711e1131e476f9d322d9e1b097ad12
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Reviewed-on: https://review.gerrithub.io/432604
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>