Review Request 35024: Fixed _resources_used() to include only *regular* resources.

[Jiang Yan Xu]

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https://reviews.apache.org/r/35024/
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Review request for mesos and Vinod Kone.


Bugs: MESOS-2776
    https://issues.apache.org/jira/browse/MESOS-2776


Repository: mesos


Description
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- Otherwise the result `_resources_percent()` is wrong because the 
`_resources_total()` only includes *regular* resources (from 
slave->info.resources()).


Diffs
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  src/master/master.cpp 710b8149c9d855d0f47cb2952366be10bc78c74d 

Diff: https://reviews.apache.org/r/35024/diff/


Testing
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make check


Thanks,

Jiang Yan Xu