From: Samuel Thibault <samuel.thibault@ens-lyon.org>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Re: [RFC][PATCH] Add HPET emulation to qemu (v2)
Date: Sun, 10 Aug 2008 12:01:37 +0100 [thread overview]
Message-ID: <20080810110137.GB4569@implementation> (raw)
In-Reply-To: <20080810011901.GC20183@shareable.org>
Jamie Lokier, le Sun 10 Aug 2008 02:19:01 +0100, a écrit :
> Samuel Thibault wrote:
> > Beth Kon wrote some time ago:
> > > But for an idle guest in both cases (with and without HPET), the
> > > number of wakeups per second was relatively low (28).
> >
> > Oh, btw, did you try to reduce the qemu window? (or disconnect the VNC
> > client if you are using VNC) 28 might be just because of the gui refresh
> > rate. Reducing the window will lower the gui refresh rate to 2Hz.
>
> If the guest isn't drawing anything to video memory, and there are no
> GUI events (e.g. redraw requests), why does the gui keep refreshing?
It needs to poll the keyboard activity at least, IIRC SDL doesn't
provide the X FD to poll.
Samuel
next prev parent reply other threads:[~2008-08-10 11:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-07 17:17 [Qemu-devel] Re: [RFC][PATCH] Add HPET emulation to qemu (v2) Samuel Thibault
2008-08-07 17:26 ` Samuel Thibault
2008-08-07 18:47 ` Anthony Liguori
2008-08-10 1:19 ` Jamie Lokier
2008-08-10 11:01 ` Samuel Thibault [this message]
2008-08-10 16:52 ` Jamie Lokier
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