[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] xl cpu online/offline?
On January 14, 2016 5:55:42 AM EST, Ian Campbell <ian.campbell@xxxxxxxxxx> wrote: >On Wed, 2016-01-13 at 09:53 -0500, Konrad Rzeszutek Wilk wrote: >> Hey, >> >> We have some libxc calls for onlining/offlining the CPU and they >> are quite good for testing how well Xen behaves without say >> doing an S3 suspend or such. >> >> It occurred to me that it would be nice to have them hook up in >> libxl/xl but I am not exactly sure what the right command line would >be? >> >> And whether you want to make it super-duper smart to be able to deal >> with ranges or hex masks, etc (like xentrace does). >> >> Anyhow my first thought was: >> >> Âxl cpu online/offline >> >> but most of the commands seem to follow one command per action, so >> perhaps: >> >> Âxl cpu-online >> Âxl cpu-offline > >For end users is the functionality provided by xl vcpu-set not easier >and >more appropriate? > >AIUI the commands you are proposing differ in that they allow arbitrary >sets of processors, rather than just the first N, to be manipulated? >Perhaps adding a flag to xl vcpu-set would be a nice way to add this >ability? > These hypercalls are for offllining and onling physical CPUs, not guest CPUs. As in the hypervisor one. >Ian. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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