Hi All,
I am new to QEMU.
I am implementing some functionality where in I need to set the bandwidth
control for my guest vms.Please let me know how can I do it.
I am looking into net/net.c file,I dint find any leads.I tried two ways.
I am trying to find how to set virtual nics(in my case e1
Hi Robert,
Thanks for your detailed reply.
If I want to use the leaky bucket,the packet sizes should also be equal
right, otherwise how I can achieve the uniform bandwidth.
For that at least I have to fragment the packets right.
Suppose if I set bandwidth to 100MB and if one packet is bigger
Hi All,
I am planning to use the virtual NUMA system for evaluating one of my
project as I dont have
actual/ph ysical NUMA system. Is it possible to create a multiple Virtual
node NUMA system on
a single node NUMA host?
Regards,
Pradeep
Hi All,
I am using linux 4.0 kernel on host side and 3.19 on guest side.
I have enabled the iommu and nested virtualization on host.
The DMAR is visible in the host side and when I start a VM using qemu-kvm,
the same DMAR not visible on the guest side. But it says IOMMU is enabled
when I look at
Hi All,
Is virtio-9p-pci device only supports the fsdev deices? I am trying to use
-drive option for applying QoS for block device using Virtio-9p-pci device,
but failing to create/add a device other than fsdev. Can you please help me
on this?
Regards,
Pradeep
.
Regards,
Pradeep
On 30 March 2016 at 16:13, Greg Kurz wrote:
> On Wed, 30 Mar 2016 14:10:38 +0200
> Pradeep Kiruvale wrote:
>
> > Hi All,
> >
> > Is virtio-9p-pci device only supports the fsdev deices? I am trying to
> use
> > -drive option for applying QoS
Hi All,
I am using virtio-9p for sharing the file between host and guest. To test
the shared file I do read/write options in the guest.To have controlled io,
I am using cgroup blkio.
While using cgroup I am facing two issues,Please find the issues below.
1. When I do IO throttling using the cgro
n I add the PIDs to the
tasks file the cgroup still does not do IO control.
Is it possible to reduce these number of threads? I see different number of
threads doing IO at different runs.
Regards,
Pradeep
On 8 April 2016 at 10:10, Greg Kurz wrote:
> On Thu, 7 Apr 2016 11:48:27 +0200
nor
> the
> throttle setttings.
>
*I started the qemu with cgroup as below*
*cgexec -g blkio:/test qemu...*
*Is there any other way of starting the qemu in cgroup?*
Regards,
Pradeep
>
> > Regards,
> > Pradeep
> >
>
> Cheers.
>
> --
> Greg
>
&g
Hi Greg,
Yes, it was nothing to do with the virtio-9p. I was writing at 4k Blocks
now I changed it to 1K Block. This works fine for me.
Thanks for your help.
Regards,
Pradeep
On 8 April 2016 at 16:58, Greg Kurz wrote:
> On Fri, 8 Apr 2016 14:55:29 +0200
> Pradeep Kiruvale wrote:
&g
Hi All,
We are planning to implement the io-limits for the virtio-9p driver i.e for
fsdev devices.
So, I am looking into the code base and how it has done for the block io
devices.
I would like to know how difficult is this and is there some one out there
who has any plan to do this?
Any suggest
Hi Stefan,
Thanks for the reply and adding Alberto.
I am going through those APIs already.
Thanks & Regards,
Pradeep
On 26 April 2016 at 11:21, Stefan Hajnoczi wrote:
> On Tue, Apr 19, 2016 at 02:09:24PM +0200, Pradeep Kiruvale wrote:
> > We are planning to implement the io-l
On 26 April 2016 at 14:08, Alberto Garcia wrote:
> On Tue 19 Apr 2016 02:09:24 PM CEST, Pradeep Kiruvale wrote:
>
> > We are planning to implement the io-limits for the virtio-9p driver
> > i.e for fsdev devices.
> > So, I am looking into the code base and how it has d
On 27 April 2016 at 10:38, Alberto Garcia wrote:
> On Wed, Apr 27, 2016 at 09:29:02AM +0200, Pradeep Kiruvale wrote:
>
> > Thanks for the reply. I am still in the early phase, I will let you
> > know if any changes are needed for the APIs.
> >
> > We might also have
On 27 April 2016 at 19:12, Greg Kurz wrote:
> On Wed, 27 Apr 2016 16:39:58 +0200
> Pradeep Kiruvale wrote:
>
> > On 27 April 2016 at 10:38, Alberto Garcia wrote:
> >
> > > On Wed, Apr 27, 2016 at 09:29:02AM +0200, Pradeep Kiruvale wrote:
> > >
> >
On 2 May 2016 at 14:57, Greg Kurz wrote:
> On Thu, 28 Apr 2016 11:45:41 +0200
> Pradeep Kiruvale wrote:
>
> > On 27 April 2016 at 19:12, Greg Kurz wrote:
> >
> > > On Wed, 27 Apr 2016 16:39:58 +0200
> > > Pradeep Kiruvale wrote:
> > >
> >
On 4 May 2016 at 17:40, Greg Kurz wrote:
> On Mon, 2 May 2016 17:49:26 +0200
> Pradeep Kiruvale wrote:
>
> > On 2 May 2016 at 14:57, Greg Kurz wrote:
> >
> > > On Thu, 28 Apr 2016 11:45:41 +0200
> > > Pradeep Kiruvale wrote:
> > >
>
On 6 May 2016 at 09:02, Greg Kurz wrote:
> On Fri, 6 May 2016 08:01:09 +0200
> Pradeep Kiruvale wrote:
>
> > On 4 May 2016 at 17:40, Greg Kurz wrote:
> >
> > > On Mon, 2 May 2016 17:49:26 +0200
> > > Pradeep Kiruvale wrote:
> > >
Thanks Alberto.
Regards,
Pradeep
On 6 May 2016 at 14:16, Alberto Garcia wrote:
> On Fri 06 May 2016 09:39:13 AM CEST, Pradeep Kiruvale wrote:
>
> >> The throttling API is currently only used by block devices, and the
> >> only documentation out-there is the code its
Hi All,
I am trying to add the throttle to the virtio-9p devices using the throttle
APIs that are already exists in the qemu.
I need help to understand the device model and where to add the throttling.
I am digging through the code since a week or so but failed to understand
how to tell the drive
On 7 June 2016 at 15:48, Greg Kurz wrote:
> On Tue, 7 Jun 2016 10:20:51 +0200
> Pradeep Kiruvale wrote:
> > Hi All,
> >
> > I am trying to add the throttle to the virtio-9p devices using the
> throttle
> > APIs that are already exists in the qemu.
> >
&
Hi All,
I am planning to implement throttling functionality for virtio-net driver
using the throttling APIs that exist inside qemu.
Please let me know if someone already working on the same. Asking because I
do not want to just replicate the work.
Thanks & Regards,
Pradeep
Hi Alberto,
Thanks for your reply.
>
> > I am planning to implement throttling functionality for virtio-net
> > driver using the throttling APIs that exist inside qemu.
>
> Hi Pradeep,
>
> the problem with implementing throttling for the network is that
> it's useless if you use the vhost_net ker
Hi All,
I want to add couple of new cli options for the virtio-net driver and use
them inside the
virtio-net driver to throttle the packets. I did go through the code and
did single stepping
using the gdb, but still could not find the place where the virtio-net
parameters are getting
parsed and po
On 28 September 2016 at 10:29, Stefan Hajnoczi wrote:
> On Mon, Sep 26, 2016 at 05:41:55PM +0200, Pradeep Kiruvale wrote:
> > I want to add couple of new cli options for the virtio-net driver and use
> > them inside the
> > virtio-net driver to throttle the packets. I did go
Hi Stefan,
On 28 September 2016 at 10:29, Stefan Hajnoczi wrote:
> On Mon, Sep 26, 2016 at 05:41:55PM +0200, Pradeep Kiruvale wrote:
> > I want to add couple of new cli options for the virtio-net driver and use
> > them inside the
> > virtio-net driver to throttle the pack
Hi Stefan,
Thanks for the reply.
On 30 September 2016 at 15:49, Stefan Hajnoczi wrote:
> On Thu, Sep 29, 2016 at 04:11:27PM +0200, Pradeep Kiruvale wrote:
> > Hi Stefan,
> >
> > On 28 September 2016 at 10:29, Stefan Hajnoczi
> wrote:
> >
> > > On Mon, Se
On 10 October 2016 at 11:26, Pradeep Kiruvale
wrote:
> Hi Stefan,
>
> Thanks for the reply.
>
> On 30 September 2016 at 15:49, Stefan Hajnoczi wrote:
>
>> On Thu, Sep 29, 2016 at 04:11:27PM +0200, Pradeep Kiruvale wrote:
>> > Hi Stefan,
>> >
>>
On 14 October 2016 at 15:26, Stefan Hajnoczi wrote:
> On Mon, Oct 10, 2016 at 03:00:20PM +0200, Pradeep Kiruvale wrote:
> > On 10 October 2016 at 11:26, Pradeep Kiruvale >
> > wrote:
> >
> > > Hi Stefan,
> > >
> > > Thanks for the reply
Hi All,
I am trying to compare nfs-vsock, virtio-9p, block drives to know
which is better in terms of performance to share the files between the
guest and host.
If someone did some kind of a benchmarking of Vsock Vs 9P Vs block,
please share the results/numbers.
Regards,
Pradeep
Hi Louis-Vincent,
I doubt QEMU has any ISO 26262 certification, at least not the open-source
one.
-Pradeep
On Mon, 24 Mar 2025 at 18:21, Louis-Vincent DERIAN <
louis-vincent.der...@st.com> wrote:
> Hello,
>
>
>
> My name is Louis-Vincent DERIAN, and I work for STMicroelectronics. We are
> intere
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