Re: [LAU] Audio performance in guest VM (MS-Win) on Linux host

Thanks again Hans. Will try and get back, probably over the weekend.

On Fri, Aug 16, 2019 at 4:08 PM Hans Wilmers <hanswil@email-addr-hidden> wrote:

> Hi Banibrata,
> using USB redirect, the guest os is using its own driver, so I would
> imagine guest kernel behaviour plays a role.
>
> In my setting, "simple" listening works fine, but low latency causes
> dropouts, which is not surprising as there is a busy network in between.
> You may have better luck with the guest directly on the client machine.
>
> / Hans
>
>
> ---
> Hans Wilmers
> Notam
> Sandakerveien 24 D, bygg F3
> N-0473 Oslo Norway
> tlf.: +47 22358060
> mob.: +47 92459361
> http://www.notam02.no
>
> On 16/08/2019 07:09, Banibrata Dutta wrote:
> > Thank you for the reply Hans.So using USB redirect, I can access any USB
> > audio interface, but shouldn't have to worry too much about the
> > interrupt latency or guest kernel behaviour, when it comes to
> > low-latency behaviour ?
> >
> > On Sat, Aug 10, 2019 at 8:22 PM Hans Wilmers <hanswil@email-addr-hidden
> > <mailto:hanswil@email-addr-hidden>> wrote:
> >
> > Hi,
> > there are several possibilities to make the guest OS access USB
> > peripherals (almost) directly:
> >
> > USB Redirect
> > and
> > USB Passthrough
> >
> > https://github.com/kimduho/kvm/wiki/KVM-USB-Redirect-or-Passthrough
> >
> > I can select USB redirect comfortably using a spice client, and a KVM
> > virtual machine on another machine - and it works fine even over the
> > network.
> >
> > / Hans
> >
> >
> > ---
> > Hans Wilmers
> > Notam
> > Sandakerveien 24 D, bygg F3
> > N-0473 Oslo Norway
> > tlf.: +47 22358060
> > mob.: +47 92459361
> > http://www.notam02.no
> >
> > On 10/08/2019 10:34, bdutta wrote:
> > > Hi,
> > >
> > > Is anyone aware of any comparative study of various hypervisors
> (KVM,
> > > VMware, Virtualbox) running Windows guests, on Linux hosts -- in
> > respect of
> > > quality of audio software, in terms of latency, jitter, glitches
> > etc. Based
> > > on my reading, I've understood that accuracy and reliability of
> > the timer
> > > interrupt available to guest kernel (in VM) should not be expected
> > to be
> > > equal to same on bare-metal. However, are there some hypervisors
> > > (workstation oriented), that are better than others in this regard
> ?
> > >
> > > The question is in context of need to run some Windows software
> which
> > > doesn't work well under WINE (even with WineASIO, various
> > recommended WINE
> > > tricks applied), and I find the need to setup/maintain a dual-boot
> > > environment too cumbersome, as I do 90% of my work in Linux.
> > >
> > > regards,
> > > BD
> > >
> > >
> > >
> > > --
> > > Sent from:
> > http://linux-audio.4202.n7.nabble.com/linux-audio-user-f5.html
> > > _______________________________________________
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> > >
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> >
> >
> > --
> > regards,
> > Banibrata
> > http://www.linkedin.com/in/bdutta
> > http://twitter.com/edgeliving
>

-- 
regards,
Banibrata
http://www.linkedin.com/in/bdutta
http://twitter.com/edgeliving

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Received on Fri Aug 16 16:15:02 2019