On Mon, May 13, 2013 at 11:51 AM, Kashyap Chamarthy
<[email protected]> wrote:
>> Thanks for the detailed configurations and steps about the nVMX test.
>> I have some suggestions if you want to test more:
>> 1. you can make L2 guest have 4vCPU and 4Mem
>
> Yeah, will try it. L0 has a max of 8G MEM.
>
>> 2. as L2 is SMP system, you can try 'time make -j 4' instead of 'time make'.
>
> This is my next step :) .
>
>> 3. some performance comparison when enable/disable VMCS shadowing
>
> Yes, as we speak, Kernel is building in L2 w/ VMCS Shadowing disabled
> on L0. I'll do two runs.
Interesting:
1/ With VMCS Shadowing *disabled* :
- On L0 (Side note: I did reboot the host, once I disabled shadow VMCS)
====
$ cat /sys/module/kvm_intel/parameters/enable_shadow_vmcs
N
====
- Building Kernel on L2:
====
$ time make
.....
real 36m33.361s
user 18m19.003s
sys 17m6.208s
====
2/ With VMCS Shadowing *enabled* :
- On L0 (Side note: I did reboot the host, once I enabled shadow VMCS)
====
$ cat /sys/module/kvm_intel/parameters/enable_shadow_vmcs
Y
====
- Building Kernel on L2:
====
$ time make
.....
real 62m53.853s
user 32m32.724s
sys 32m16.430s
====
Comments ?
/kashyap
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