On Tue, Jan 19, 2021 at 04:33:50PM +0100, Borislav Petkov wrote:
> On Tue, Jan 19, 2021 at 11:09:03PM +0800, Feng Tang wrote:
> > Yes, that can happen. I started a 4 tasks netperf on a 4C/8T KBL desktop,
> > and also saw around 2% improvement. Both the kernel config and the
> > platform matters.
>
Hi Boris,
On Tue, Jan 19, 2021 at 02:17:59PM +0100, Borislav Petkov wrote:
> On Tue, Jan 19, 2021 at 08:15:05PM +0800, Feng Tang wrote:
> > On Tue, Jan 19, 2021 at 11:02:55AM +0100, Borislav Petkov wrote:
> > > On Mon, Jan 18, 2021 at 08:27:21PM -0800, Paul E. McKenney wrote:
> > > > I bet that
On Tue, Jan 19, 2021 at 11:09:03PM +0800, Feng Tang wrote:
> Yes, that can happen. I started a 4 tasks netperf on a 4C/8T KBL desktop,
> and also saw around 2% improvement. Both the kernel config and the
> platform matters.
Oh great. ;-\
> For the performance changes I have checked, sometimes
On Tue, Jan 19, 2021 at 08:15:05PM +0800, Feng Tang wrote:
> On Tue, Jan 19, 2021 at 11:02:55AM +0100, Borislav Petkov wrote:
> > On Mon, Jan 18, 2021 at 08:27:21PM -0800, Paul E. McKenney wrote:
> > > I bet that the results vary depending on the type of CPU, and also on
> > > the kernel
On Tue, Jan 19, 2021 at 11:02:55AM +0100, Borislav Petkov wrote:
> On Mon, Jan 18, 2021 at 08:27:21PM -0800, Paul E. McKenney wrote:
> > I bet that the results vary depending on the type of CPU, and also on
> > the kernel address-space layout, which of course also varies based on
> > the Kconfig
On Mon, Jan 18, 2021 at 08:27:21PM -0800, Paul E. McKenney wrote:
> I bet that the results vary depending on the type of CPU, and also on
> the kernel address-space layout, which of course also varies based on
> the Kconfig options. Let's see how the maintainers would like to proceed.
So I ran
On Sun, Jan 17, 2021 at 12:09:21AM +0800, Feng Tang wrote:
> On Sat, Jan 16, 2021 at 07:34:26AM -0800, Paul E. McKenney wrote:
> > On Sat, Jan 16, 2021 at 11:52:51AM +0800, Feng Tang wrote:
> > > Hi Boris,
> > >
> > > On Tue, Jan 12, 2021 at 03:14:38PM +0100, Borislav Petkov wrote:
> > > > On
On Sat, Jan 16, 2021 at 07:34:26AM -0800, Paul E. McKenney wrote:
> On Sat, Jan 16, 2021 at 11:52:51AM +0800, Feng Tang wrote:
> > Hi Boris,
> >
> > On Tue, Jan 12, 2021 at 03:14:38PM +0100, Borislav Petkov wrote:
> > > On Tue, Jan 12, 2021 at 10:21:09PM +0800, kernel test robot wrote:
> > > >
>
On Sat, Jan 16, 2021 at 11:52:51AM +0800, Feng Tang wrote:
> Hi Boris,
>
> On Tue, Jan 12, 2021 at 03:14:38PM +0100, Borislav Petkov wrote:
> > On Tue, Jan 12, 2021 at 10:21:09PM +0800, kernel test robot wrote:
> > >
> > > Greeting,
> > >
> > > FYI, we noticed a -4.5% regression of
On Tue, Jan 12, 2021 at 10:21:09PM +0800, kernel test robot wrote:
>
> Greeting,
>
> FYI, we noticed a -4.5% regression of netperf.Throughput_tps due to commit:
>
>
> commit: 7bb39313cd6239e7eb95198950a02b4ad2a08316 ("x86/mce: Make
> mce_timed_out() identify holdout CPUs")
>
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