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Re: [Xen-devel] [PATCH v1 4/4] xl: introduce rt scheduler

Hi George,

2014-09-03 11:52 GMT-04:00 George Dunlap <George.Dunlap@xxxxxxxxxxxxx>:
On Sun, Aug 24, 2014 at 11:58 PM, Meng Xu <mengxu@xxxxxxxxxxxxx> wrote:
> Add xl command for rt scheduler

The main thing about this is that you probably want to have an
interface where you can set the parameters for multiple vcpus at once;
and that's probably the case regardless of whether we end up making
the hypercall able to batch vcpus or do them one-at-a-time.

âI'm totally fine with allowing users to set the parameters for multiple vcpus at once.Â

My question is:
When users set multiple vcpus at once, how the command looks like?Â
For example, if they want to set two vcpus' parameters for dom 1's at once (to be specific, set vcpu 0's period to 20 and budget to 10, and set vcpu 1's period to 30 and budget to 20.), Âthey should use the command like "xl sched-rt -d 1 -v 0 -p 20 -b 10 -v 1 -p 30 -b 20"?Â
When several vcpus are set at once, the command will be very long. Is that ok?Â




Meng Xu
PhD Student in Computer and Information Science
University of Pennsylvania
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