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Re: [Qemu-devel] Main loop
From: |
malc |
Subject: |
Re: [Qemu-devel] Main loop |
Date: |
Sun, 27 Sep 2009 18:35:42 +0400 (MSD) |
On Sun, 27 Sep 2009, Blue Swirl wrote:
> On Sun, Sep 27, 2009 at 2:55 AM, malc <address@hidden> wrote:
> >
> > At http://repo.or.cz/w/qemu/malc.git?a=shortlog;h=refs/heads/mtloop you
> > can find the branch which refactors main execution loop somewhat, effects
> > include:
> >
> > a. Host alarm timers are gone
> > b. IO thread is replaced (now Windows is supported too)
> >
> > I have no means of testing the KVM/Xen bits (both are likely to be broken
> > by this), and since testing was only done on Linux/X86-64[1],PPC and
> > Windows/i386 chances are good that something might be not so great in
> > BSD/Solairs/MacOS X lands.
> >
> > Apart from obvious KVM bits, other things were not implemented (yet)
> > either: proper VM stop/resume, GDB, etc.
> >
> > Diffstat relative to c2b023b62707f5dc73497dc03f3764f145a29785 (plus
> > one somewhat unrelated local commit) is bellow.
> >
> > Makefile | 1 -
> > configure | 8 -
> > cpu-defs.h | 2 -
> > cpu-exec.c | 3 +
> > hw/xenfb.c | 2 +-
> > qemu-options.hx | 9 -
> > qemu-thread.c | 163 ------
> > qemu-thread.h | 40 --
> > sysemu.h | 2 +-
> > vl.c | 1650
> > ++++++++++++++++++++-----------------------------------
> > 10 files changed, 593 insertions(+), 1287 deletions(-)
> >
> > Comments?
>
> +extern void ontb (CPUState *env);
> +
It's for local debugging only.
>
> Please try to avoid prototypes outside header files. The name does not
> tell what the function does.
>
> if (delta < MIN_TIMER_REARM_US)
> delta = MIN_TIMER_REARM_US;
> + if (delta > MIN_TIMER_REARM_US)
> + delta = MIN_TIMER_REARM_US;
>
> The above four lines are equal to
> delta = MIN_TIMER_REARM_US;
>
> Maybe the latter two should use MAX_TIMER_REARM_US?
>
And this is a leftover from local debugging which is already gone:
http://repo.or.cz/w/qemu/malc.git?a=commit;h=f48b6952e1f61ba2fffc1a5bbe06db942b1c0c72
Was trying to find out why -smp N boot times were so slow.
--
mailto:address@hidden
- Re: [Qemu-devel] Main loop, (continued)
- Re: [Qemu-devel] Main loop, malc, 2009/09/27
- Re: [Qemu-devel] Main loop, Anthony Liguori, 2009/09/27
- Re: [Qemu-devel] Main loop, malc, 2009/09/27
- Re: [Qemu-devel] Main loop, Glauber Costa, 2009/09/28
- Re: [Qemu-devel] Main loop, malc, 2009/09/28
- Re: [Qemu-devel] Main loop, Anthony Liguori, 2009/09/28
- Re: [Qemu-devel] Main loop, Glauber Costa, 2009/09/28
- Re: [Qemu-devel] Main loop, malc, 2009/09/28
- Re: [Qemu-devel] Main loop, malc, 2009/09/27
Re: [Qemu-devel] Main loop, Blue Swirl, 2009/09/27
- Re: [Qemu-devel] Main loop,
malc <=
Re: [Qemu-devel] Main loop, malc, 2009/09/27
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