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Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command
From: |
Gleb Natapov |
Subject: |
Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command |
Date: |
Wed, 30 Dec 2009 16:30:19 +0200 |
On Wed, Dec 30, 2009 at 04:26:11PM +0200, Gleb Natapov wrote:
> On Wed, Dec 30, 2009 at 08:16:30AM -0600, Anthony Liguori wrote:
> > On 12/30/2009 03:27 AM, Gleb Natapov wrote:
> > >On Tue, Dec 29, 2009 at 08:00:09PM -0600, Anthony Liguori wrote:
> > >>On 12/24/2009 09:02 AM, Gleb Natapov wrote:
> > >>>Knowing ioapic configuration is very useful for the poor soles
> > >>>how need to debug guest occasionally.
> > >>
> > >>Can this be implemented in terms of VMState?
> > >>
> > >What do you mean and why it whould be any better?
> >
> > We've been discussing having a command that's something like
> > 'info-device ioapic' that would dump the device state based on
> > what's stored in VMState for the device.
> >
> > The advantage of a command like this is that it works for any qdev
> > device making it much more useful.
> >
> > The disadvantage is that at the moment, we store ioredtbl as an
> > array of uint64s. To get the level of info you're looking for we
> > would need to teach VMState how to decode this structure.
> >
>
> So this is completely orthogonal to my patch. There are devices already
> that have info command. No need to hold the patch just because sometime
> in the feature VMState may be extended. Other then that adding print
> function to VMState sounds like a good idea.
BTW I'd like this to be backported to 0.12 too.
--
Gleb.
- Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command, (continued)
- Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command, Anthony Liguori, 2009/12/30
- Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command, Avi Kivity, 2009/12/30
- Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command, Anthony Liguori, 2009/12/30
- Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command, Avi Kivity, 2009/12/31
- Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command, Anthony Liguori, 2009/12/31
- Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command, Gleb Natapov, 2009/12/31
- Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command, Anthony Liguori, 2009/12/31
Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command, Gleb Natapov, 2009/12/30
- Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command, Anthony Liguori, 2009/12/30
- Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command, Gleb Natapov, 2009/12/30
- Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command,
Gleb Natapov <=
- Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command, Anthony Liguori, 2009/12/30
- Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command, Gleb Natapov, 2009/12/30
- Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command, Anthony Liguori, 2009/12/31
- Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command, Gleb Natapov, 2009/12/31
- Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command, Anthony Liguori, 2009/12/31
Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command, Anthony Liguori, 2009/12/30
Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command, Gleb Natapov, 2009/12/30
Re: [Qemu-devel] [PATCH] add "info ioapic" monitor command, Anthony Liguori, 2009/12/31