add -period flag

main.go

@@ -13,6 +13,8 @@ import (
 
 func main() {
     addr := flag.String("agentx-addr", "localhost:705", "Address to connect to (hostname:port or Unix socket path)")
+    vppStatsAddr := flag.String("vpp-stats-addr", "/var/run/vpp/stats.sock", "VPP stats socket path")
+    period := flag.Float64("period", 10.0, "Interval in seconds for querying VPP interface stats")
     flag.Parse()
 
     var network, address string
@@ -32,7 +34,7 @@ func main() {
     client.ReconnectInterval = 1 * time.Second
 
     // Start VPP stats routine
-    vppstats.StartStatsRoutine()
+    vppstats.StartStatsRoutine(*vppStatsAddr, time.Duration(*period*1000)*time.Millisecond)
 
     for {
         time.Sleep(100 * time.Millisecond)