pss-show: fail when some part fails
pss-show: fail when some part fails

do not try to show old graphs that were not removed

Signed-off-by: Marek Chalupa <a05df156a69ad59faa9af9b666ef78009594c145@gmail.com>

mchalupa/dg,mchalupa/dg,mchalupa/dg,mchalupa/dg