Re: [Qemu-devel] [RFC][PATCH] Add HPET emulation to qemu (v2)

2008-08-12 Thread Beth Kon
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

Re: [Qemu-devel] [RFC][PATCH] Add HPET emulation to qemu (v2)

2008-08-02 Thread Samuel Thibault
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

Re: [Qemu-devel] [RFC][PATCH] Add HPET emulation to qemu (v2)

2008-08-02 Thread Samuel Thibault
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

Re: [Qemu-devel] [RFC][PATCH] Add HPET emulation to qemu (v2)

2008-08-02 Thread Anthony Liguori
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

Re: [Qemu-devel] [RFC][PATCH] Add HPET emulation to qemu (v2)

2008-08-02 Thread Samuel Thibault
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)

Re: [Qemu-devel] [RFC][PATCH] Add HPET emulation to qemu (v2)

2008-08-02 Thread Paul Brook
> 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

[RFC][PATCH] Add HPET emulation to qemu (v2)

2008-08-02 Thread Beth Kon
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

[RFC][PATCH] Add HPET emulation to qemu (v2)

2008-08-01 Thread Beth Kon
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

[RFC][PATCH] Add HPET emulation to qemu (v2)

2008-08-01 Thread Beth Kon
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