Re: [Xen-devel] xc_domain_getfullinfo() gone

[Kip Macy <kip.macy@xxxxxxxxx>]

It is already there. It hasn't been exported to python as the main
purpose is to query register state. You're welcome to add it.


                        -Kip




On 5/13/05, Andrew Theurer <habanero@xxxxxxxxxx> wrote:
> I noticed this was gone from libxc.  Would there be any objection to
> adding xc_domain_get_vcpu_info?  I am interested in querying the
> cpu_time for each vcpu for a utility that does something like:
> 
> vm-stat
> 
> cpu[ util] domN-vcpuM[util]...domY-vcpuZ[util]
> ------------ --------------------------------------
> cpu0[075.4] dom0-vcpu0[000.3] dom1-vcpu1[075.1]
> cpu1[083.7] dom1-vcpu2[083.7]
> cpu2[069.2] dom1-vcpu3[069.2]
> cpu3[075.9] dom1-vcpu0[075.9]
>                                                     < time interval>
> cpu0[100.0] dom0-vcpu0[000.5] dom1-vcpu1[099.5]
> cpu1[099.8] dom1-vcpu2[099.8]
> cpu2[099.8] dom1-vcpu3[099.8]
> cpu3[099.8] dom1-vcpu0[099.8]
> 
> cpu0[100.0] dom0-vcpu0[000.3] dom1-vcpu1[099.7]
> cpu1[099.7] dom1-vcpu2[099.7]
> cpu2[099.7] dom1-vcpu3[099.7]
> cpu3[099.7] dom1-vcpu0[099.7]
> 
> cpu0[100.0] dom0-vcpu0[000.6] dom1-vcpu1[099.4]
> cpu1[099.7] dom1-vcpu2[099.7]
> cpu2[099.7] dom1-vcpu3[099.7]
> cpu3[101.4] dom1-vcpu0[101.4]
> 
> And while we're on this subject, I wanted to track, per phys cpu,
> exec_domain context switches, and store this as ctx_switches in
> schedule_data struct.  I believe tracking context switches would be a
> good stat to have, for example, to expose problems like high domU
> traffic networking on one cpu system.  Any objection to this or suggestions?
> 
> Thanks,
> 
> -Andrew
> 
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>

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