-collect-with runsa 
-knob event-config=CPU_CLK_UNHALTED.THREAD:sa=1000000:OS=no:USR=yes,UOPS_RETIRED.RETIRE_SLOTS:sa=1000000:OS=no:USR=yes,EXE_ACTIVITY.1_PORTS_UTIL:sa=1000000:OS=no:USR=yes,EXE_ACTIVITY.2_PORTS_UTIL:sa=1000000:OS=no:USR=yes
-knob event-mode=user 
-knob sampling-interval=1 
-run-pass-thru=--perf-threads=none
