Drop drift detection; host tuning is one-shot system startup

main.go

@@ -382,7 +382,7 @@ func main() {
 		os.Exit(1)
 	}
 
-	tcfg := tuneConfig{
+	tcfg := systemConfig{
 		governor: *governor,
 		rxUsecs:  uint32(*coalesce),
 		txUsecs:  uint32(*coalesce),
@@ -399,7 +399,7 @@ func main() {
 
 func run(aName, bName, sizesArg, patArg, fanout, txCPUsArg, rxCPUsArg string,
 	duration, interval, drain time.Duration, txN, rxN, batch, sndbuf, rcvbuf int,
-	verify, duplex bool, tcfg tuneConfig) error {
+	verify, duplex bool, tcfg systemConfig) error {
 
 	if aName == "" || bName == "" {
 		return fmt.Errorf("both -a and -b are required")
@@ -441,7 +441,7 @@ func run(aName, bName, sizesArg, patArg, fanout, txCPUsArg, rxCPUsArg string,
 
 	var fatal []string
 	var tuneRows [][]string
-	for _, r := range applyTuning(tcfg, ifnames) {
+	for _, r := range configureSystem(tcfg, ifnames) {
 		tuneRows = append(tuneRows, []string{r.item, r.status(), r.detail()})
 		if r.fatal {
 			fatal = append(fatal, r.item)
@@ -567,10 +567,6 @@ loop:
 			secs := now.Sub(last).Seconds()
 			last = now
 			elapsed := now.Sub(start).Seconds()
-			for _, r := range verifyTuning(tcfg, ifnames) {
-				fmt.Printf("  %s host config drifted: %s — %s\n",
-					paint("!", cYellow), r.item, r.detail())
-			}
 			for _, d := range dirs {
 				for _, line := range stats.emit(d.intervalRow(elapsed, secs, target)) {
 					fmt.Println(line)