On Thu, May 28, 2020 at 02:17:19PM -0400 Phil Auld wrote:
> On Thu, May 28, 2020 at 07:01:28PM +0200 Peter Zijlstra wrote:
> > On Sun, May 24, 2020 at 10:00:46AM -0400, Phil Auld wrote:
> > > On Fri, May 22, 2020 at 05:35:24PM -0400 Joel Fernandes wrote:
> > > > On Fri, May 22, 2020 at 02:59:05PM +
Hi Peter,
On Thu, May 28, 2020 at 07:01:28PM +0200, Peter Zijlstra wrote:
> On Sun, May 24, 2020 at 10:00:46AM -0400, Phil Auld wrote:
> > On Fri, May 22, 2020 at 05:35:24PM -0400 Joel Fernandes wrote:
> > > On Fri, May 22, 2020 at 02:59:05PM +0200, Peter Zijlstra wrote:
> > > [..]
> > > > > > It
On Thu, May 28, 2020 at 07:01:28PM +0200 Peter Zijlstra wrote:
> On Sun, May 24, 2020 at 10:00:46AM -0400, Phil Auld wrote:
> > On Fri, May 22, 2020 at 05:35:24PM -0400 Joel Fernandes wrote:
> > > On Fri, May 22, 2020 at 02:59:05PM +0200, Peter Zijlstra wrote:
> > > [..]
> > > > > > It doens't allo
On Sun, May 24, 2020 at 10:00:46AM -0400, Phil Auld wrote:
> On Fri, May 22, 2020 at 05:35:24PM -0400 Joel Fernandes wrote:
> > On Fri, May 22, 2020 at 02:59:05PM +0200, Peter Zijlstra wrote:
> > [..]
> > > > > It doens't allow tasks for form their own groups (by for example
> > > > > setting
> >
On Sun, May 24, 2020 at 10:00:46AM -0400, Phil Auld wrote:
> On Fri, May 22, 2020 at 05:35:24PM -0400 Joel Fernandes wrote:
> > On Fri, May 22, 2020 at 02:59:05PM +0200, Peter Zijlstra wrote:
> > [..]
> > > > > It doens't allow tasks for form their own groups (by for example
> > > > > setting
> >
On Fri, May 22, 2020 at 05:35:24PM -0400 Joel Fernandes wrote:
> On Fri, May 22, 2020 at 02:59:05PM +0200, Peter Zijlstra wrote:
> [..]
> > > > It doens't allow tasks for form their own groups (by for example setting
> > > > the key to that of another task).
> > >
> > > So for this, I was thinking
On Fri, May 22, 2020 at 02:59:05PM +0200, Peter Zijlstra wrote:
[..]
> > > It doens't allow tasks for form their own groups (by for example setting
> > > the key to that of another task).
> >
> > So for this, I was thinking of making the prctl pass in an integer. And 0
> > would mean untagged. Doe
On Thu, May 21, 2020 at 2:58 PM Jesse Barnes wrote:
>
> Expanding on this a little, we're working on a couple of projects that
> should provide results like these for upstream. One is continuously
> rebasing our upstream backlog onto new kernels for testing purposes
> (the idea here is to make it
On Thu, May 21, 2020 at 09:47:05AM -0400, Joel Fernandes wrote:
> Hi Peter,
> Thanks for the comments.
>
> On Thu, May 21, 2020 at 10:51:22AM +0200, Peter Zijlstra wrote:
> > On Wed, May 20, 2020 at 06:26:42PM -0400, Joel Fernandes (Google) wrote:
> > > Add a per-thread core scheduling interface w
On Thu, May 21, 2020 at 1:45 PM Joel Fernandes wrote:
>
> Hi Linus,
>
> On Thu, May 21, 2020 at 11:31:38AM -0700, Linus Torvalds wrote:
> > On Wed, May 20, 2020 at 3:26 PM Joel Fernandes (Google)
> > wrote:
> > Generally throughput benchmarks are much easier to do, how do you do
> > this latency
Hi Linus,
On Thu, May 21, 2020 at 11:31:38AM -0700, Linus Torvalds wrote:
> On Wed, May 20, 2020 at 3:26 PM Joel Fernandes (Google)
> wrote:
> >
> > ChromeOS will use core-scheduling to securely enable hyperthreading.
> > This cuts down the keypress latency in Google docs from 150ms to 50ms
> > w
On Thu, May 21, 2020 at 9:47 AM Joel Fernandes wrote:
>
> > It doens't allow tasks for form their own groups (by for example setting
> > the key to that of another task).
>
> So for this, I was thinking of making the prctl pass in an integer. And 0
> would mean untagged. Does that sound good to yo
On Wed, May 20, 2020 at 3:26 PM Joel Fernandes (Google)
wrote:
>
> ChromeOS will use core-scheduling to securely enable hyperthreading.
> This cuts down the keypress latency in Google docs from 150ms to 50ms
> while improving the camera streaming frame rate by ~3%.
I'm assuming this is "compared
On Thu, May 21, 2020 at 04:09:50AM +, benbjiang(蒋彪) wrote:
>
>
> > On May 21, 2020, at 6:26 AM, Joel Fernandes (Google)
> > wrote:
> >
> > Add a per-thread core scheduling interface which allows a thread to tag
> > itself and enable core scheduling. Based on discussion at OSPM with
> > mai
Hi Peter,
Thanks for the comments.
On Thu, May 21, 2020 at 10:51:22AM +0200, Peter Zijlstra wrote:
> On Wed, May 20, 2020 at 06:26:42PM -0400, Joel Fernandes (Google) wrote:
> > Add a per-thread core scheduling interface which allows a thread to tag
> > itself and enable core scheduling. Based on
On Wed, May 20, 2020 at 06:26:42PM -0400, Joel Fernandes (Google) wrote:
> Add a per-thread core scheduling interface which allows a thread to tag
> itself and enable core scheduling. Based on discussion at OSPM with
> maintainers, we propose a prctl(2) interface accepting values of 0 or 1.
> 1 -
> On May 21, 2020, at 6:26 AM, Joel Fernandes (Google)
> wrote:
>
> Add a per-thread core scheduling interface which allows a thread to tag
> itself and enable core scheduling. Based on discussion at OSPM with
> maintainers, we propose a prctl(2) interface accepting values of 0 or 1.
> 1 - en
Add a per-thread core scheduling interface which allows a thread to tag
itself and enable core scheduling. Based on discussion at OSPM with
maintainers, we propose a prctl(2) interface accepting values of 0 or 1.
1 - enable core scheduling for the task.
0 - disable core scheduling for the task.
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