update prometheus/client_golang v1.14.0 to v1.16.0

Signed-off-by: bzsuni <bingzhe.sun@daocloud.io>

vendor/github.com/prometheus/procfs/mountstats.go

@@ -186,6 +186,8 @@ type NFSOperationStats struct {
 	CumulativeTotalResponseMilliseconds uint64
 	// Duration from when a request was enqueued to when it was completely handled.
 	CumulativeTotalRequestMilliseconds uint64
+	// The average time from the point the client sends RPC requests until it receives the response.
+	AverageRTTMilliseconds float64
 	// The count of operations that complete with tk_status < 0.  These statuses usually indicate error conditions.
 	Errors uint64
 }
@@ -284,7 +286,8 @@ func parseMountStats(r io.Reader) ([]*Mount, error) {
 }
 
 // parseMount parses an entry in /proc/[pid]/mountstats in the format:
-//   device [device] mounted on [mount] with fstype [type]
+//
+//	device [device] mounted on [mount] with fstype [type]
 func parseMount(ss []string) (*Mount, error) {
 	if len(ss) < deviceEntryLen {
 		return nil, fmt.Errorf("invalid device entry: %v", ss)
@@ -533,7 +536,6 @@ func parseNFSOperationStats(s *bufio.Scanner) ([]NFSOperationStats, error) {
 
 			ns = append(ns, n)
 		}
-
 		opStats := NFSOperationStats{
 			Operation:                           strings.TrimSuffix(ss[0], ":"),
 			Requests:                            ns[0],
@@ -545,6 +547,9 @@ func parseNFSOperationStats(s *bufio.Scanner) ([]NFSOperationStats, error) {
 			CumulativeTotalResponseMilliseconds: ns[6],
 			CumulativeTotalRequestMilliseconds:  ns[7],
 		}
+		if ns[0] != 0 {
+			opStats.AverageRTTMilliseconds = float64(ns[6]) / float64(ns[0])
+		}
 
 		if len(ns) > 8 {
 			opStats.Errors = ns[8]