Some perf stat metrics use an internal "duration_time" metric. It is not
correctly printed however. So hide it during output to avoid confusing
users with 0 counts.
Signed-off-by: NAndi Kleen <ak@linux.intel.com>
Acked-by: NJiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/20170831194036.30146-11-andi@firstfloor.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>