[libvirt] [PATCH v3] python: add virDomainGetCPUStats python binding API

[Eric Blake]

On 03/19/2012 12:27 AM, Guannan Ren wrote:
>     dom.getCPUStats(True, 0)
>       [{'cpu_time': 24699446159L, 'system_time': 10870000000L, 'user_time': 950000000L}]
>     dom.getCPUStats(False, 0)
>       [{'cpu_time': 8535292289L}, {'cpu_time': 1005395355L}, {'cpu_time': 9351766377L}, {'cpu_time': 5813545649L}]
> 
>     *generator.py Add a new naming rule
>     *libvirt-override-api.xml The API function description
>     *libvirt-override.c Implement it.
> ---
>  python/generator.py             |    5 +-
>  python/libvirt-override-api.xml |   13 ++++
>  python/libvirt-override.c       |  147 +++++++++++++++++++++++++++++++++++++++
>  3 files changed, 164 insertions(+), 1 deletions(-)

ACK once you fix one bug:

> +
> +            for (i = 0; i < queried_ncpus; i++) {
> +                cpuparams = &params[i * i_retval];

s/i_retval/nparams/

Your testing worked because you happened to have a situation where
i_retval==nparams, but the API allows for i_retval < nparams (that is,
the number of filled entries within a stride can be less than the number
of slots reserved by the stride).

-- 
Eric Blake   eblake at redhat.com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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