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Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with
From: |
Paul Brook |
Subject: |
Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback |
Date: |
Thu, 27 May 2010 23:21:43 +0100 |
User-agent: |
KMail/1.13.3 (Linux/2.6.33-2-amd64; KDE/4.4.3; x86_64; ; ) |
> >> Then the amount
> >> of CPU cycles between timer interrupts would increase and hopefully
> >> the guest can keep up. If the guest sleeps, time base could be
> >> accelerated to catch up with wall clock and then set back to 1:1 rate.
> >
> > Can't follow you ATM, sorry. What should be slowed down then? And how
> > precisely?
>
> I think vm_clock and everything that depends on vm_clock, also
> rtc_clock should be tied to vm_clock in this mode, not host_clock.
The problem is more fundamental than that. There is no real correlation
between vm_clock and the amount of code executed by the guest, especially not
on timescales less than a second.
Paul
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, (continued)
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, Blue Swirl, 2010/05/26
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, Jan Kiszka, 2010/05/26
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, Blue Swirl, 2010/05/26
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, Jan Kiszka, 2010/05/26
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, Paul Brook, 2010/05/26
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, Blue Swirl, 2010/05/27
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, Jan Kiszka, 2010/05/27
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, Blue Swirl, 2010/05/27
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, Jan Kiszka, 2010/05/27
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, Blue Swirl, 2010/05/27
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback,
Paul Brook <=
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, Blue Swirl, 2010/05/28
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, Jan Kiszka, 2010/05/27
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, Blue Swirl, 2010/05/28
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, Avi Kivity, 2010/05/30
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, Paul Brook, 2010/05/27
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, Gleb Natapov, 2010/05/27
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, Blue Swirl, 2010/05/27
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, Gleb Natapov, 2010/05/28
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, Blue Swirl, 2010/05/28
- Re: [Qemu-devel] Re: [RFT][PATCH 07/15] qemu_irq: Add IRQ handlers with delivery feedback, Gleb Natapov, 2010/05/28