IH-543: guard against buggy firmware

There are reports of buggy firmware returning 0 ort65535 Watts. Guard against these by declaring min/max (although xcp-rrdd doesn't actually correctly ignore these yet, but that is a separate bug to be fixed). Signed-off-by: Edwin Török <[email protected]>
edwintorok · Apr 15, 2024 · c58ff84 · c58ff84
1 parent 63826ac
commit c58ff84
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ocaml/xcp-rrdd/bin/rrdp-dcmi/rrdp_dcmi.ml b/ocaml/xcp-rrdd/bin/rrdp-dcmi/rrdp_dcmi.ml
@@ -64,7 +64,7 @@ let gen_dcmi_power_reading value =
   ( Rrd.Host
   , Ds.ds_make ~name:"DCMI-power-reading"
       ~description:"Host power usage reported by IPMI DCMI"
-      ~value:(Rrd.VT_Int64 value) ~ty:Rrd.Gauge ~default:true ~units:"W" ~min:0.
+      ~value:(Rrd.VT_Int64 value) ~ty:Rrd.Gauge ~default:true ~units:"W" ~min:1. ~max:65534.
       ()
   )