Re: [Xen-devel] OPW 2014 - Advanced Scheduling Parameters Project

[George Dunlap <George.Dunlap@xxxxxxxxxxxxx>]

On Mon, Oct 13, 2014 at 10:00 PM, George Dunlap
<George.Dunlap@xxxxxxxxxxxxx> wrote:
> On Mon, Oct 13, 2014 at 6:31 PM, Uma Sharma <uma.sharma523@xxxxxxxxx> wrote:
>> I would like to work on the project Advanced Scheduling Parameters. I
>> studied about the Credit Scheduler. Kindly help me to start some work on it.
>
> According to tools/libxl.h:
>
>  * IDL-generated libxl types should be used as follows: the user must
>  * always call the "init" function before using a type, even if the
>  * variable is simply being passed by reference as an out parameter
>  * to a libxl function.  The user must always calls "dispose" exactly
>  * once afterwards, to clean up, regardless of whether operations on
>  * this object succeeded or failed.  See the xl code for examples.
>
>
> However, the code in xl (namely tools/xl_cmdimpl.c) fails to do this
> several times when calling sched_domain_get().  Please write a patch
> to address this.
>
> Coding style conventions are very important, so try to copy the style
> of the surrounding code.
>
> Extra credit: Find other IDL-generated libxl types in xl_cmdimpl.c
> which aren't initialized properly (if there are any) and send patches
> for those.
>
> You can find information about submitting patches here:
>
> http://wiki.xenproject.org/wiki/Submitting_Xen_Project_Patches
>
> I would personally recommend using stgit to create patch series
> (that's what I use - there's a link near the top of the page above on
> using stgit), but you're free to use whatever you want, as long as the
> patches apply properly. :-)
>
> Feel free to contact me on IRC or over e-mail if you run into any
> problems or have any questions.
>
> Also, there are a million conventions about how to do patches and
> coding that would be overwhelming either for us to write down or for
> you to read.  Don't worry about trying to get it 100% perfect; just
> dive in and send your patch when you think it's ready, and expect to
> get lots of feedback on how it needs to be changed.  That's part of
> the learning process.
>
>  -George

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