From: Janosch Frank <frankja@linux.ibm.com>
To: Nico Boehr <nrb@linux.ibm.com>,
Pierre Morel <pmorel@linux.ibm.com>,
linux-s390@vger.kernel.org
Cc: thuth@redhat.com, kvm@vger.kernel.org, imbrenda@linux.ibm.com,
david@redhat.com, nsg@linux.ibm.com
Subject: Re: [kvm-unit-tests PATCH v9 2/2] s390x: topology: Checking Configuration Topology Information
Date: Fri, 2 Jun 2023 11:03:44 +0200 [thread overview]
Message-ID: <1cbd5a01-6a7a-38a0-5d41-422317dbe2c7@linux.ibm.com> (raw)
In-Reply-To: <168569490681.252746.1049350277526238686@t14-nrb>
On 6/2/23 10:35, Nico Boehr wrote:
> Quoting Janosch Frank (2023-06-01 11:38:37)
> [...]
>>> [topology]
>>> file = topology.elf
>>> +# 3 CPUs on socket 0 with different CPU TLE (standard, dedicated, origin)
>>> +# 1 CPU on socket 2
>>> +extra_params = -smp 1,drawers=3,books=3,sockets=4,cores=4,maxcpus=144 -cpu z14,ctop=on -device z14-s390x-cpu,core-id=1,entitlement=low -device z14-s390x-cpu,core-id=2,dedicated=on -device z14-s390x-cpu,core-id=10 -device z14-s390x-cpu,core-id=20 -device z14-s390x-cpu,core-id=130,socket-id=0,book-id=0,drawer-id=0 -append '-drawers 3 -books 3 -sockets 4 -cores 4'
>>> +
>>> +[topology-2]
>>> +file = topology.elf
>>> +extra_params = -smp 1,drawers=2,books=2,sockets=2,cores=30,maxcpus=240 -append '-drawers 2 -books 2 -sockets 2 -cores 30' -cpu z14,ctop=on -device z14-s390x-cpu,drawer-id=1,book-id=0,socket-id=0,core-id=2,entitlement=low -device z14-s390x-cpu,drawer-id=1,book-id=0,socket-id=0,core-id=3,entitlement=medium -device z14-s390x-cpu,drawer-id=1,book-id=0,socket-id=0,core-id=4,entitlement=high -device z14-s390x-cpu,drawer-id=1,book-id=0,socket-id=0,core-id=5,entitlement=high,dedicated=on -device z14-s390x-cpu,drawer-id=1,book-id=0,socket-id=0,core-id=65,entitlement=low -device z14-s390x-cpu,drawer-id=1,book-id=0,socket-id=0,core-id=66,entitlement=medium -device z14-s390x-cpu,drawer-id=1,book-id=0,socket-id=0,core-id=67,entitlement=high -device z14-s390x-cpu,drawer-id=1,book-id=0,socket-id=0,core-id=68,entitlement=high,dedicated=on
>>
>> Pardon my ignorance but I see z14 in there, will this work if we run on
>> a z13?
>
> It causes a skip, I reproduced this on a z14 by changing to z15:
> SKIP topology (qemu-system-s390x: unable to find CPU model 'z15')
>
> If we can make this more generic so the tests run on older machines it would be
> good, but if we can't it wouldn't break (i.e. FAIL) on older machines.
>
>> Also, will this work/fail gracefully if the test is run with a quemu
>> that doesn't know about topology or will it crash?
>
> Just tried on my box, skips with:
> SKIP topology (qemu-system-s390x: Parameter 'smp.books' is unexpected)
>
> So I think we're good here.
Perfect, thanks for checking!
next prev parent reply other threads:[~2023-06-02 9:13 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-19 11:22 [kvm-unit-tests PATCH v9 0/2] S390x: CPU Topology Information Pierre Morel
2023-05-19 11:22 ` [kvm-unit-tests PATCH v9 1/2] s390x: topology: Check the Perform Topology Function Pierre Morel
2023-05-22 11:15 ` Nico Boehr
2023-05-22 15:17 ` Pierre Morel
2023-05-19 11:22 ` [kvm-unit-tests PATCH v9 2/2] s390x: topology: Checking Configuration Topology Information Pierre Morel
2023-06-01 9:38 ` Janosch Frank
2023-06-01 17:41 ` Pierre Morel
2023-06-02 7:50 ` Janosch Frank
2023-06-02 8:35 ` Nico Boehr
2023-06-02 9:03 ` Janosch Frank [this message]
2023-06-02 9:20 ` Thomas Huth
2023-06-02 10:02 ` Pierre Morel
2023-06-02 10:01 ` Pierre Morel
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