[vfio-users] Distinguishing Logical and HT Cores, Cpu-latencies Script Results

[Rokas Kupstys]

Run "virsh capabilities" and look for <cpus> tag. It lists core
siblings. Its what you are looking for right? For me this script also is
little inconclusive, however seems like libvirt lists siblings right as
i cant pin one core to two physical cores that are not siblings.

On 2016.03.04 16:34, Jeff wrote:
> I'm trying to distinguish which cores are which on my Intel 5930k
> processor.
> I ran the script at the console, with no other additional VM's,
> Docker, or plugins running (I'm running UnRAID).
> My output doesn't show any real differences between the cores, all 4's
> and 5's, with the expected 10 to itself.
> I had to modify the script a little to run (locations for netperf and
> BC), but that's really it.
> Nothing else special to report, no messing with governors, or the like.
> The output of the script (pic) is located
> here https://www.dropbox.com/s/nfyacpvqwy74mi2/IMG_20160302_195344%20%281%29.jpg?dl=0
>
> Thanks!
>
>
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