[Kimchi-devel] RFC - #728 - Processor Info in s390 architecture

[Daniel Henrique Barboza]

Assuming that you don't change or exclude any existing info/result from the
current API (ex: exclude an existing key), I approve this proposal.


Daniel

On 11/16/2015 12:41 PM, Suresh Babu Angadi wrote:
> Hi Team,
> With the current implementation of gingerbase, the processor 
> information is empty for s390 architecture.
> O/p of /plugins/gingerbase/host on one of the lpar with KVM for IBM z 
> systems:
> {
>   "os_distro":"KVM for IBM z Systems",
>   "os_codename":"Z",
>   "os_version":"1.1.1",
>   "cpus":3,
>   "memory":4000559104
> }
>
> Note: cpu_model is not fetched for s390x architecture.
>
> Additional Information which can be provided for benefit of end users:
>
> Architecture Details: "architecture": "x86 or s390x or  ppc etc"
>
> CPU details(for x86 and s390x): Showing online cpus count and offline 
> cpus count(planned to use lscpu for x86 and s390x, not sure how to 
> fetch these details in power pc). Display offline CPUs only if any 
> processors are offline.
> "cpus": {"online": <integer(online_cpus_count)>
>               "offline": <integer(offline_cpus_count)>}
> Processor Type(s390x): shared and  dedicated cpus
> "cpus": {"online": <integer(online_cpus_count)>
>               "offline": <integer(offline_cpus_count)>
>               "shared": <integer(shared_cpus_count)>
>               "dedicated": <integer(dedicated_cpus_count)>}
>
>
> Host Name(for all architecture): Currently IP address is displayed in 
> the new UI (below kimchi logo). Displaying host name would be more 
> meaningful.
>
> Memory Details(s390x specific): In s390x architecture, we can have 
> online and offline memory.
> example:
> [root@ ~]# lsmem
> Address Range                          Size (MB)  State Removable  Device
> ===============================================================================
> 0x0000000000000000-0x000000000fffffff        256  online no         0
> 0x0000000010000000-0x000000002fffffff        512  online yes        1-2
> 0x0000000030000000-0x000000007fffffff       1280  online no         3-7
> 0x0000000080000000-0x00000000ffffffff       2048  offline -          8-15
>
> Memory device size  : 256 MB
> Memory block size   : 256 MB*
> **Total online memory : 2048 MB**
> **Total offline memory: 2048 MB*
>
> so memory would be split to include total online and total offline memory.
>
> memory: {"online": <total_online_memory>, "offline":<total offline 
> memory>}
>
> Virtualization Details(s390x specific):
> Providing Hypervisor and Hypervisor Vendor details when virtualized. 
> Example Hypervisor: PR/SM , Hypervisor vendor: IBM.
> Lpar Details: Lpar name and Lpar ID
> "virtualization": {"hypervisor":"PR/SM",
>                             "hypervisor_vendor": "IBM",
>                             "lpar_name": "LP6",
>                             "lpar_number":"22"}
>
> So the o/p json of /plugins/gingerbase/host would look like below:
> for x86:
> {
>   "os_distro":"Fedora",
>   "architecture":"x86_64"
>   "cpu_model":"Intel(R) Core(TM) i5-3320M CPU @ 2.60GHz",
>   "cpus":{"online":3, "offline":2},
>   "os_version":"21",
>   "os_codename":"Twenty One",
>   "memory":7933894656
>   "host":<host_name>
> }
>
> for power:
> Only change, addition of "architecture" and "host" information, unless 
> we decide to show offline cpus
>
> for s390x:
> {
>   "os_distro":"KVM for IBM z Systems",
>   "os_codename":"Z",
>   "os_version":"1.1.1",
>   "architecture": "s390x"
>   "cpu_model": "IBM / 2827 / 743 H43"
>   cpus: {"online":2,
>             "offline":2,
>              "shared":2,
>              "dedicated":0}
>   memory : {"online" : 2147483628,
>                     "offline" :  2147483628}
>   "virtualization": {"hypervisor":"PR/SM",
>                             "hypervisor_vendor": "IBM",
>                             "lpar_name": "LP6",
>                             "lpar_number":"22"},
> "host":"zfwpc160"
> }
>
>
> -- 
> Regards,
> Suresh Babu Angadi
>
>
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