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Re: [Xen-devel] Fwd: [help]:
| To: | Pratik shinde <pracshi@xxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Fwd: [help]: |
| From: | George Dunlap <George.Dunlap@xxxxxxxxxxxxx> |
| Date: | Thu, 22 Sep 2011 12:35:40 +0100 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Thu, 22 Sep 2011 04:36:17 -0700 |
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On Tue, Sep 20, 2011 at 3:04 AM, Pratik shinde <pracshi@xxxxxxxxx> wrote: > "In xen,Qemu emulates the hardware to guest O.S.so guest kernel is > unaware of underlying real hardware.So scheduling of processes which guest > kernel will do,may not be optimized. In credit scheduler it schedule the > VCPUs according to their weights but process scheduling on VCPU may not be > optimized. > My basic idea is scheduling these processes according to real hardware and > the scheduling domains accordingly." What do you mean, "the guest kernel is unaware of underlying real hardware"? It's aware of the cpu model given to it, which is the most important thing for scheduling. Do you perhaps mean that the guest kernel is unaware of the actual cpu and cache topology? -George _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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