1428 profiling:
1429   # Run profiling for every xth packet. The default is 1, which means we
1430   # profile every packet. If set to 1000, one packet is profiled for every
1431   # 1000 received.
1432   #sample-rate: 1000
1433
1434   # rule profiling
1435   rules:
1436
1437     # Profiling can be disabled here, but it will still have a
1438     # performance impact if compiled in.
1439     enabled: yes
1440     filename: rule_perf.log
1441     append: no
1442
1443     # Sort options: ticks, avgticks, checks, matches, maxticks
1444     # If commented out all the sort options will be used.
1445     #sort: ticks
1446
1447     # Limit the number of sids for which stats are shown at exit (per sort).
1448     limit: 5000
1449
1450     # output to json
1451     json: yes
1452