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Re: [Xen-devel] serial8250: too much work for irq4
| To: | Markus Armbruster <armbru@xxxxxxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] serial8250: too much work for irq4 |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Wed, 18 Feb 2009 17:27:10 +0000 |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Wed, 18 Feb 2009 09:27:40 -0800 |
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| Thread-topic: | [Xen-devel] serial8250: too much work for irq4 |
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On 18/02/2009 17:04, "Markus Armbruster" <armbru@xxxxxxxxxx> wrote: >> Do you have any better ideas for how to trick the guest into making >> better use of its CPU time, which will solve your use case without >> imposing an artificial wall clock based speed limit ? >> >> Ian. > > I'm afraid I don't. Perhaps we could add a qemu command-line option to force accurate uart emulation w.r.t. programmed FIFO depth and baud rate? Then those who want this more accurate but more expensive and slower behaviour can configure it. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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