Re: [Qemu-discuss] /usr/bin/qemu-system-x86_64 Vs. /usr/bin/kvm emulator

2016-07-10 Thread Yan Fridland
Hello All,

Can anyone please explain what is the difference between working with 
/usr/bin/qemu-system-x86_64 and /usr/bin/kvm emulators?

I have some doubts regarding what is the best emulator type I should supply in 
the virsh XML (under  ) to get maximum performance of my 
VM. 

Thank you,
Yan



Re: [Qemu-discuss] /usr/bin/qemu-system-x86_64 Vs. /usr/bin/kvm emulator

2016-07-10 Thread Fam Zheng
On Sun, 07/10 15:39, Yan Fridland wrote:
> Hello All,
> 
> Can anyone please explain what is the difference between working with
> /usr/bin/qemu-system-x86_64 and /usr/bin/kvm emulators?

Assuming you're using a modern Linux, they probably are the same thing. do
"--version" outputs of both have any difference?

Fam



Re: [Qemu-discuss] /usr/bin/qemu-system-x86_64 Vs. /usr/bin/kvm emulator

2016-07-10 Thread Bram Klein Gunnewiek
/usr/bin/kvm is probably just a script executing 
/usr/bin/qemu-system-x86_64 with kvm enabled:


#!/bin/sh
exec qemu-system-x86_64 -enable-kvm "$@"

The /usr/bin/kvm 'executable' is from the time qemu-kvm was a fork of 
qemu, see http://wiki.qemu.org/KVM . All KVM features are  merged in the 
QEMU project.


Met vriendelijke groet / Kind regards,
Bram Klein Gunnewiek | Shock Media B.V.

Tel: +31 (0)546 - 714360
Fax: +31 (0)546 - 714361
Web: https://www.shockmedia.nl/

On 07/10/2016 05:39 PM, Yan Fridland wrote:

Hello All,

Can anyone please explain what is the difference between working with 
/usr/bin/qemu-system-x86_64 and /usr/bin/kvm emulators?

I have some doubts regarding what is the best emulator type I should supply in the virsh 
XML (under  ) to get maximum performance of my VM.

Thank you,
Yan