On Sun, Oct 8, 2017 at 6:03 AM, Theo de Raadt wrote:
> > Adam will correct me if I'm wrong, but his idea was to provide clock
> > emulation to the operating system running in userland (solo5/unikernel).
> > Perhaps vmd can make use of this interface too.
>
> But why does it
> Adam will correct me if I'm wrong, but his idea was to provide clock
> emulation to the operating system running in userland (solo5/unikernel).
> Perhaps vmd can make use of this interface too.
But why does it matter if it knows the frequency?
On Sat, Oct 07, 2017 at 17:23 +, Theo de Raadt wrote:
> > > > Now that we have an accurate tsc frequency, I would like to expose this
> > > > information to userland via a sysctl.
> > > >
> > > > The diff below exposes the tsc frequency and if it is invariant.
> > > >
> > > > Cheers,
> > > >
> > > Now that we have an accurate tsc frequency, I would like to expose this
> > > information to userland via a sysctl.
> > >
> > > The diff below exposes the tsc frequency and if it is invariant.
> > >
> > > Cheers,
> > > Adam
> > >
> > >
> > Please ignore that diff, looks like i had some dregs
On Sat, Oct 07, 2017 at 10:27 +, Adam Steen wrote:
> On Sat, Oct 7, 2017 at 5:52 PM, Adam Steen wrote:
>
> > On Fri, Oct 06, 2017 at 03:58:18PM +0200, Mike Belopuhov wrote:
> > > Hi,
> > >
> > > An experimental change to use TSC as a timecounter source on a variety
> >
On Sat, Oct 07, 2017 at 06:27:53PM +0800, Adam Steen wrote:
> On Sat, Oct 7, 2017 at 5:52 PM, Adam Steen wrote:
>
> > On Fri, Oct 06, 2017 at 03:58:18PM +0200, Mike Belopuhov wrote:
> > > Hi,
> > >
> > > An experimental change to use TSC as a timecounter source on a
On Sat, Oct 7, 2017 at 5:52 PM, Adam Steen wrote:
> On Fri, Oct 06, 2017 at 03:58:18PM +0200, Mike Belopuhov wrote:
> > Hi,
> >
> > An experimental change to use TSC as a timecounter source on a variety
> > of modern Intel and AMD CPUs has been just committed and enabled
On Fri, Oct 06, 2017 at 03:58:18PM +0200, Mike Belopuhov wrote:
> Hi,
>
> An experimental change to use TSC as a timecounter source on a variety
> of modern Intel and AMD CPUs has been just committed and enabled on
> OpenBSD/amd64 thanks to the work done by Adam Steen.
>
> The rationale is,
Hi,
An experimental change to use TSC as a timecounter source on a variety
of modern Intel and AMD CPUs has been just committed and enabled on
OpenBSD/amd64 thanks to the work done by Adam Steen.
The rationale is, quoting the commit message:
If frequency of an invariant (non-stop) time stamp