It'll make it a bit easier to support printing traces in different formats. Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com> Change-Id: I33d454868fe7975ce81046823e3a3b9b6f587b0f Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/8102 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Community-CI: Mellanox Build Bot Reviewed-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com>