collect-with runsa 
-knob event-config=UOPS_ISSUED.ANY:sa=1000000:OS=no:USR=yes,UOPS_ISSUED.ANY:c1:sa=1000000:OS=no:USR=yes
-knob event-mode=user 
-knob sampling-interval=1 
-run-pass-thru=--perf-threads=none