tl-tester: Fix check for KNL for onegroup checking

tl-tester

@@ -110,7 +110,7 @@ TOPOLOGY=topology EVENTMAP=${cpus[$j]} FORCEHT=1 FORCECPU=$j $WRAP ./toplev.py -
 checklog log.$j
 fi
 TOPOLOGY=topology EVENTMAP=${cpus[$j]} FORCEHT=0 FORCECPU=$j $WRAP ./toplev.py --force-events -d -l1 $LOAD 2>&1 | tee log.$j
-onegroup log.$j
+[ $j != "knl" ] && onegroup log.$j
 if ! grep -q hypervisor /proc/cpuinfo ; then
 TOPOLOGY=topology EVENTMAP=${cpus[$j]} FORCEHT=1 FORCECPU=$j $WRAP ./toplev.py --force-events -d $ALL $LOAD 2>&1 | tee log.$j
 checklog log.$j