Refine the description and units of 'running_vcpus' and 'running_doma…

…ins'

Signed-off-by: Lunfan Zhang <[email protected]>

ocaml/xcp-rrdd/bin/rrdd/xcp_rrdd.ml

@@ -398,14 +398,14 @@ let dss_hostload xc domains =
         ()
     )
   ; ( Rrd.Host
-    , Ds.ds_make ~name:"running_vcpus" ~units:"(vcpus)"
-        ~description:"The total number of running vCPU per host"
+    , Ds.ds_make ~name:"running_vcpus" ~units:"count"
+        ~description:"The total number of running vCPUs per host"
         ~value:(Rrd.VT_Int64 (Int64.of_int load))
         ~min:0.0 ~ty:Rrd.Gauge ~default:true ()
     )
   ; ( Rrd.Host
-    , Ds.ds_make ~name:"running_domains" ~units:"(domains)"
-        ~description:"The total number of running domain per host"
+    , Ds.ds_make ~name:"running_domains" ~units:"count"
+        ~description:"The total number of running domains per host"
         ~value:(Rrd.VT_Int64 (Int64.of_int running_domains))
         ~min:0.0 ~ty:Rrd.Gauge ~default:true ()
     )