input {
  udp {
    host => 127.0.0.1
    port => 1234
  }
}
filter {
  json_fields {}
}
output {
  studout {}
  statsd {
      host => localhost
      port => 8125
      metric_type => gauge
      metric_key => pps
  }
  influxdb {
      host => localhost
      port => 8089
      protocol => udp
      metric_type => counter
      metric_key => pps
  }
}

npm install -g ppsguard
ppsguard --max_pps=100 --interface eth0 --udp 127.0.0.1:1234

0|pastash  | [STDOUT] {
0|pastash  |   "cpu": 1.50927734375,
0|pastash  |   "pps": 101.996651754871111,
0|pastash  |   "mean": 141.236352751854155,
0|pastash  |   "message": "WARNING!"
0|pastash  |   "timestamp": "2018-01-02T17:33:44.737Z",
0|pastash  | }

input {
  udp {
    host => 127.0.0.1
    port => 18911
  }
}
filter {
  json_fields {}
}
output {
  splunk {
    token => "XXX-YYY-ZZZ"
    source => "ppsGuard"
    index => "your-lovely-index"
    sourcetype => "_json"
    splunk_url => "https://your-own-id.splunkcloud.com:443/services/collector/event"
    flat => true
  }
}

pm2 start /opt/pastash/ppsguard_init.yml

pm2 list