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From: Zhenfei Tai <ztai@google.com>
Date: Fri, 9 Oct 2020 17:57:09 -0700
Message-ID: <CAMXw96NCuqbeaOMQaO_BU2+_qQojOfLQdH-1=JS16vfanSZPdw@mail.gmail.com>
Subject: [redfish/v1/Systems/system/Processors] How does it work on wolf pass?
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Hi,

I've been testing bmcweb and noticed the response from the URI
`redfish/v1/Systems/system/Processors` contains an empty collection.

{
  "@odata.context":
"/redfish/v1/$metadata#ProcessorCollection.ProcessorCollection",
  "@odata.id": "/redfish/v1/Systems/system/Processors/",
  "@odata.type": "#ProcessorCollection.ProcessorCollection",
  "Members": [],
  "Members@odata.count": 0,
  "Name": "Processor Collection"
}

Looking at bmcweb code, it seems to look for dbus interfaces
`xyz.openbmc_project.Inventory.Item.Cpu` and
`xyz.openbmc_project.Inventory.Item.Accelerator`. However they can't be
seen in dbus.

# busctl tree --no-pager xyz.openbmc_project.Inventory.Item.Cpu
Failed to introspect object / of service
xyz.openbmc_project.Inventory.Item.Cpu: The name is not activatable

Entity-manager and cpu-sensor are running in addition to bmcweb. The
entity-manager config is below and I can see the config is picked up in
`xyz.openbmc_project.EntityManager`.

{
  "Exposes": [
    {
        "Address": "0x30",
        "Bus": 0,
        "CpuID": 1,
        "Name": "CPU 1",
        "Type": "XeonCPU"
    },
    {
        "Address": "0x31",
        "Bus": 0,
        "CpuID": 2,
        "Name": "CPU 2",
        "Type": "XeonCPU"
    }
  ],
  "Name": "internal_code_name",
  "Probe": "xyz.openbmc_project.FruDevice({'BOARD_PRODUCT_NAME':
'internal_product_name'})",
  "Type": "Board"
}

I'm not sure what else is required to have the URI work properly. Could
someone familiar with this issue help?

Thanks,
Zhenfei

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<div dir=3D"ltr">Hi,<br><div><br></div><div>I&#39;ve been testing bmcweb an=
d noticed the response from the URI `redfish/v1/Systems/system/Processors` =
contains an empty collection.</div><div><br></div><div><font color=3D"#0000=
ff">{<br>=C2=A0 &quot;@odata.context&quot;: &quot;/redfish/v1/$metadata#Pro=
cessorCollection.ProcessorCollection&quot;,<br>=C2=A0 &quot;@<a href=3D"htt=
p://odata.id">odata.id</a>&quot;: &quot;/redfish/v1/Systems/system/Processo=
rs/&quot;,<br>=C2=A0 &quot;@odata.type&quot;: &quot;#ProcessorCollection.Pr=
ocessorCollection&quot;,<br>=C2=A0 &quot;Members&quot;: [],<br>=C2=A0 &quot=
;Members@odata.count&quot;: 0,<br>=C2=A0 &quot;Name&quot;: &quot;Processor =
Collection&quot;<br>}</font><br></div><div><br></div><div>Looking at bmcweb=
 code, it seems to look for dbus interfaces `xyz.openbmc_project.Inventory.=
Item.Cpu` and `xyz.openbmc_project.Inventory.Item.Accelerator`. However the=
y can&#39;t be seen in dbus.</div><div><br></div><div><font color=3D"#0000f=
f"># busctl tree --no-pager xyz.openbmc_project.Inventory.Item.Cpu<br>Faile=
d to introspect object / of service xyz.openbmc_project.Inventory.Item.Cpu:=
 The name is not activatable</font><br></div><div><br></div><div>Entity-man=
ager and cpu-sensor are running in addition to bmcweb. The entity-manager c=
onfig is below and I can see the config is picked up in `xyz.openbmc_projec=
t.EntityManager`.</div><div><br></div><div><font color=3D"#0000ff">{<br>=C2=
=A0 &quot;Exposes&quot;: [<br>=C2=A0 =C2=A0 {<br>=C2=A0 =C2=A0 =C2=A0 =C2=
=A0 &quot;Address&quot;: &quot;0x30&quot;,<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 &=
quot;Bus&quot;: 0,<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 &quot;CpuID&quot;: 1,<br>=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 &quot;Name&quot;: &quot;CPU 1&quot;,<br>=C2=A0 =
=C2=A0 =C2=A0 =C2=A0 &quot;Type&quot;: &quot;XeonCPU&quot;<br>=C2=A0 =C2=A0=
 },<br>=C2=A0 =C2=A0 {<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 &quot;Address&quot;: =
&quot;0x31&quot;,<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 &quot;Bus&quot;: 0,<br>=C2=
=A0 =C2=A0 =C2=A0 =C2=A0 &quot;CpuID&quot;: 2,<br>=C2=A0 =C2=A0 =C2=A0 =C2=
=A0 &quot;Name&quot;: &quot;CPU 2&quot;,<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 &qu=
ot;Type&quot;: &quot;XeonCPU&quot;<br>=C2=A0 =C2=A0 }<br>=C2=A0 ],<br>=C2=
=A0 &quot;Name&quot;: &quot;internal_code_name&quot;,<br>=C2=A0 &quot;Probe=
&quot;: &quot;xyz.openbmc_project.FruDevice({&#39;BOARD_PRODUCT_NAME&#39;: =
&#39;internal_product_name&#39;})&quot;,<br>=C2=A0 &quot;Type&quot;: &quot;=
Board&quot;<br>}</font><br></div><div><font color=3D"#0000ff"><br></font></=
div><div><font color=3D"#000000">I&#39;m not sure what else is required to =
have the URI work properly. Could someone familiar with this issue help?</f=
ont></div><div><font color=3D"#000000"><br></font></div><div><font color=3D=
"#000000">Thanks,</font></div><div><font color=3D"#000000">Zhenfei</font></=
div></div>

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