This patch, based on an earlier patch by Alexander Graf, adds HPET
emulation to qemu. I am sending out a separate patch to kvm with the
required bios changes.
This work is incomplete.
Currently working (at least generally):
- linux 2.6.25.9 guest
Todo:
- other guest support (i.e. adding whate
Beth Kon wrote:
This patch, based on an earlier patch by Alexander Graf, adds HPET
emulation to qemu. I am sending out a separate patch to kvm with the
required bios changes.
This work is incomplete.
Currently working (at least generally):
- linux 2.6.25.9 guest
Todo:
- other guest support
Hi Beth,
On Jul 10, 2008, at 5:48 AM, Beth Kon wrote:
This patch, based on an earlier patch by Alexander Graf, adds HPET
emulation to qemu. I am sending out a separate patch to kvm with the
required bios changes.
This work is incomplete.
Wow it's good to see that someone's working on it. I a
On Sat, 2008-07-12 at 17:42 +0200, Alexander Graf wrote:
> Hi Beth,
>
> On Jul 10, 2008, at 5:48 AM, Beth Kon wrote:
>
> > This patch, based on an earlier patch by Alexander Graf, adds HPET
> > emulation to qemu. I am sending out a separate patch to kvm with the
> > required bios changes.
> >
> >
Major changes:
- Rebased to register-based operations for ease of save/restore.
- Looked through Xen's hpet implementation and picked up a bunch of
things, though not quite everything yet. Thanks!
- PIT and RTC are entirely disabled in legacy mode, not just their
interrupts.
There is still
Major changes:
- Rebased to register-based operations for ease of save/restore.
- Looked through Xen's hpet implementation and picked up a bunch of
things, though not quite everything yet. Thanks!
- PIT and RTC are entirely disabled in legacy mode, not just their
interrupts.
There is still
Major changes:
- Rebased to register-based operations for ease of save/restore.
- Looked through Xen's hpet implementation and picked up a bunch of
things, though not quite everything yet. Thanks!
- PIT and RTC are entirely disabled in legacy mode, not just their
interrupts.
There is still
Cool!
Does it now happen that qemu no longer wakes up every 10ms? If not,
please try to make sure it happens, that would eventually fix that power
leak :)
Samuel
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On Thu, 2008-07-10 at 10:18 +0100, Samuel Thibault wrote:
> Cool!
> Does it now happen that qemu no longer wakes up every 10ms? If not,
> please try to make sure it happens, that would eventually fix that power
> leak :)
>
> Samuel
>
I will look into CONFIG_NO_HZ operation next. Haven't tried th
> I've been playing with CONFIG_NO_HZ and been surprised by the
> results. I was trying to reproduce the wakeup every 10ms that
> Samuel Thibault mentioned, thinking the HPET would improve it.
> But for an idle guest in both cases (with and without HPET), the
> number of wakeups per second was rel
Beth Kon, le Sat 02 Aug 2008 06:05:14 -0500, a écrit :
> I was trying to reproduce the wakeup every 10ms that
> Samuel Thibault mentioned, thinking the HPET would improve it.
> But for an idle guest in both cases (with and without HPET), the
> number of wakeups per second was relatively low (28)
Samuel Thibault wrote:
Beth Kon, le Sat 02 Aug 2008 06:05:14 -0500, a écrit :
I was trying to reproduce the wakeup every 10ms that
Samuel Thibault mentioned, thinking the HPET would improve it.
But for an idle guest in both cases (with and without HPET), the
number of wakeups per second was
Anthony Liguori, le Sat 02 Aug 2008 09:46:30 -0500, a écrit :
> Samuel Thibault wrote:
> >Beth Kon, le Sat 02 Aug 2008 06:05:14 -0500, a écrit :
> >
> >>I was trying to reproduce the wakeup every 10ms that
> >>Samuel Thibault mentioned, thinking the HPET would improve it.
> >>But for an idle gu
Samuel Thibault, le Sat 02 Aug 2008 18:21:03 +0100, a écrit :
> Anthony Liguori, le Sat 02 Aug 2008 09:46:30 -0500, a écrit :
> > Samuel Thibault wrote:
> > >Beth Kon, le Sat 02 Aug 2008 06:05:14 -0500, a écrit :
> > >
> > >>I was trying to reproduce the wakeup every 10ms that
> > >>Samuel Thiba
On Sat, 2008-08-02 at 18:21 +0100, Samuel Thibault wrote:
> Anthony Liguori, le Sat 02 Aug 2008 09:46:30 -0500, a écrit :
> > Samuel Thibault wrote:
> > >Beth Kon, le Sat 02 Aug 2008 06:05:14 -0500, a écrit :
> > >
> > >>I was trying to reproduce the wakeup every 10ms that
> > >>Samuel Thibault
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