Bheve: Slow linux syscalls on AMD

[Peter Grehan]

Hi Willem,

> On 2014-06-09 23:04, Peter Grehan wrote:
>>> Still seeing that a 2 CPU VM is using about 100% of 1 cpu when idleing,
>>> but that is another minor challenge.
>>
>>   Fixed in r267305
>
> Ack.
>
> There is still a small difference in behaviour between Linux and
> FreeBSD. But I'd call that negectable...
>
>
> PID    SIZE STATE   C   TIME    WCPU COMMAND
> 70250 2075M vmidle  5   0:17   2.69% bhyve: ubuntu-14.04 (bhyve){vcpu 1}
> 70250 2075M vmidle  2   0:22   1.37% bhyve: ubuntu-14.04 (bhyve){vcpu 0}

  Thanks - saw similar behaviour on my tiny Sempron but wasn't sure if 
it was the slow CPU/clock aliasing etc. Time to bring out KTR and see 
what's going on.

later,

Peter.