On Fri, Nov 15, 2024 at 07:46:07AM +0100, Jürgen Groß wrote:
> On 15.11.24 01:11, Elliott Mitchell wrote:
> > On Wed, Nov 13, 2024 at 08:20:02PM +0100, Jürgen Groß wrote:
> > > On 13.11.24 18:25, Elliott Mitchell wrote:
> > > >
> > > > Hopefully I'm not making knave speculation here. Might this b
On 15.11.24 01:11, Elliott Mitchell wrote:
On Wed, Nov 13, 2024 at 08:20:02PM +0100, Jürgen Groß wrote:
On 13.11.24 18:25, Elliott Mitchell wrote:
On Tue, Jul 09, 2024 at 08:36:18AM +, Andrei Semenov wrote:
After some investigations we notices a huge performances drop (perfs divided
by
fa
On Wed, Nov 13, 2024 at 08:20:02PM +0100, Jürgen Groß wrote:
> On 13.11.24 18:25, Elliott Mitchell wrote:
> > On Tue, Jul 09, 2024 at 08:36:18AM +, Andrei Semenov wrote:
> > >
> > > After some investigations we notices a huge performances drop (perfs
> > > divided
> > > by
> > > factor of 5)
On 13.11.24 18:25, Elliott Mitchell wrote:
On Tue, Jul 09, 2024 at 08:36:18AM +, Andrei Semenov wrote:
After some investigations we notices a huge performances drop (perfs divided
by
factor of 5) starting from 5.10.88 Linux kernel version on the AMD EPYC
platforms. The patch introduced in t
On Tue, Jul 09, 2024 at 08:36:18AM +, Andrei Semenov wrote:
>
> After some investigations we notices a huge performances drop (perfs divided
> by
> factor of 5) starting from 5.10.88 Linux kernel version on the AMD EPYC
> platforms. The patch introduced in this kernel version that allows to
>
On Thu, Aug 15, 2024 at 10:33:52AM +0200, Jürgen Groß wrote:
> On 14.08.24 22:26, Elliott Mitchell wrote:
> > On Wed, Aug 14, 2024 at 08:15:38AM +0200, Jürgen Groß wrote:
> > > On 14.08.24 00:36, Elliott Mitchell wrote:
> > > >
> > > > Drat. I haven't noticed much, which would match with simply e
On 14.08.24 22:26, Elliott Mitchell wrote:
On Wed, Aug 14, 2024 at 08:15:38AM +0200, Jürgen Groß wrote:
On 14.08.24 00:36, Elliott Mitchell wrote:
On Tue, Aug 13, 2024 at 08:55:42PM +0200, Jürgen Groß wrote:
On 13.08.24 19:49, Elliott Mitchell wrote:
There is a possibility spurious interrupt
On Wed, Aug 14, 2024 at 08:15:38AM +0200, Jürgen Groß wrote:
> On 14.08.24 00:36, Elliott Mitchell wrote:
> > On Tue, Aug 13, 2024 at 08:55:42PM +0200, Jürgen Groß wrote:
> > > On 13.08.24 19:49, Elliott Mitchell wrote:
> > > >
> > > > There is a possibility spurious interrupts are being turned in
On 14.08.24 00:36, Elliott Mitchell wrote:
On Tue, Aug 13, 2024 at 08:55:42PM +0200, Jürgen Groß wrote:
On 13.08.24 19:49, Elliott Mitchell wrote:
On Tue, Aug 13, 2024 at 01:16:06PM +0200, Jürgen Groß wrote:
I don't see a connection here, as spurious interrupts (as seen by the
hypervisor in y
On Tue, Aug 13, 2024 at 08:55:42PM +0200, Jürgen Groß wrote:
> On 13.08.24 19:49, Elliott Mitchell wrote:
> > On Tue, Aug 13, 2024 at 01:16:06PM +0200, Jürgen Groß wrote:
> > >
> > > I don't see a connection here, as spurious interrupts (as seen by the
> > > hypervisor in your case) and spurious e
On 13.08.24 19:49, Elliott Mitchell wrote:
On Tue, Aug 13, 2024 at 01:16:06PM +0200, Jürgen Groß wrote:
On 13.08.24 03:10, Elliott Mitchell wrote:
On Tue, Jul 09, 2024 at 11:37:07AM +0200, Jürgen Groß wrote:
In both directories you can see the number of spurious events by looking
into the spu
On Tue, Aug 13, 2024 at 01:16:06PM +0200, Jürgen Groß wrote:
> On 13.08.24 03:10, Elliott Mitchell wrote:
> > On Tue, Jul 09, 2024 at 11:37:07AM +0200, Jürgen Groß wrote:
> > >
> > > In both directories you can see the number of spurious events by looking
> > > into the spurious_events file.
> > >
On 13.08.24 03:10, Elliott Mitchell wrote:
On Tue, Jul 09, 2024 at 11:37:07AM +0200, Jürgen Groß wrote:
In both directories you can see the number of spurious events by looking
into the spurious_events file.
In the end the question is why so many spurious events are happening. Finding
the reas
On Tue, Jul 09, 2024 at 11:37:07AM +0200, Jürgen Groß wrote:
>
> In both directories you can see the number of spurious events by looking
> into the spurious_events file.
>
> In the end the question is why so many spurious events are happening. Finding
> the reason might be hard, though.
Hopeful
On Wed, Jul 10, 2024 at 12:19:20PM -0700, Elliott Mitchell wrote:
> On Tue, Jul 09, 2024 at 08:36:18AM +, Andrei Semenov wrote:
> >
> > Does anybody notice this behavior on his side? Can we do something
> > about it?
>
> I hadn't previously noticed this manifestation, but now that I know wh
On Tue, Jul 09, 2024 at 08:36:18AM +, Andrei Semenov wrote:
>
> Does anybody notice this behavior on his side? Can we do something
> about it?
I hadn't previously noticed this manifestation, but now that I know where
to look seems I'm also seeing the issue.
It also effects other lines of A
On 09.07.24 10:36, Andrei Semenov wrote:
Hello,
As been reported by David Morel (mail 4 Jan 2024), our customers experience a
very poor virtual network performances in HVM guests on AMD EPYC platforms.
After some investigations we notices a huge performances drop (perfs divided by
factor of 5)
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