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Re: [Xen-users] Xen support for emulating TSC register!!
| To: | xen-users@xxxxxxxxxxxxxxxxxxx |
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| Subject: | Re: [Xen-users] Xen support for emulating TSC register!! |
| From: | Tom Horsley <tom.horsley@xxxxxxx> |
| Date: | Fri, 2 Nov 2007 17:49:53 -0400 |
| Delivery-date: | Fri, 02 Nov 2007 14:50:36 -0700 |
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On Fri, 2 Nov 2007 16:19:29 -0400 "techy geek" <techygeek72@xxxxxxxxx> wrote: > Hi Everyone, > > I need to do some profiling on Xen Virtual machine. I have a query here: > > * Like VMWare, Can Xen Guest emulates the TSC CPU register??? if Yes, then > how is the performance of this TSC register as I read that VmWare very > poorly emulates the TSC register. I suspect "poor" describes Xen as well. I keep seeing messages on the console of various HVM's I have which say something about unstable TSC values off by some 6 or 7 digit number of cycles. _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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