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Re: [Xen-devel] Re: [Xen-users] About profiling xen
| To: | Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Re: [Xen-users] About profiling xen |
| From: | Marco Tizzoni <marco.tizzoni@xxxxxxxxx> |
| Date: | Thu, 1 Oct 2009 09:35:55 +0200 |
| Cc: | "Fajar A." <fajar@xxxxxxxxx>, Fasiha Ashraf <feehapk@xxxxxxxxxxx>, xen <xen-devel@xxxxxxxxxxxxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Thu, 01 Oct 2009 00:36:59 -0700 |
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On Thu, Oct 1, 2009 at 1:23 AM, Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote: > Your clocksource is "xen", which is the best possible for a PV xen guest. > > However, a clocksource is for measuring elapsed time, not triggering > timers. Why? How would you solve the problem of raising events at a fixed rate? > Unfortunately there doesn't seem to be a /sys file to show the > current clockevent source in use, but if you have "xen" clocksource it's > almost certainly the xen clockevent. > > However, this is only relevent if you have CONFIG_NO_HZ and > CONFIG_HIGHRES_TIMERS enabled. I've tried both set/unset but nothing change. m- _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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