Add v16.7.2

vendor/github.com/power-devops/perfstat/uptime.go

@@ -0,0 +1,35 @@
+// +build aix
+
+package perfstat
+
+/*
+#include "c_helpers.h"
+*/
+import "C"
+
+import (
+	"fmt"
+	"time"
+)
+
+func timeSince(ts uint64) uint64 {
+	return uint64(time.Now().Unix()) - ts
+}
+
+// BootTime() returns the time of the last boot in UNIX seconds
+func BootTime() (uint64, error) {
+	sec := C.boottime()
+	if sec == -1 {
+		return 0, fmt.Errorf("Can't determine boot time")
+	}
+	return uint64(sec), nil
+}
+
+// UptimeSeconds() calculates uptime in seconds
+func UptimeSeconds() (uint64, error) {
+	boot, err := BootTime()
+	if err != nil {
+		return 0, err
+	}
+	return timeSince(boot), nil
+}