[jira] [Created] (MESOS-5255) Add support for GPU usage in metrics endpoint

["Kevin Klues (JIRA)" <ji...@apache.org>]

Kevin Klues created MESOS-5255:
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             Summary: Add support for GPU usage in metrics endpoint
                 Key: MESOS-5255
                 URL: https://issues.apache.org/jira/browse/MESOS-5255
             Project: Mesos
          Issue Type: Task
            Reporter: Kevin Klues
            Assignee: Kevin Klues


Currently the usage callback in the Nvidia GPU isolator is unimplemented:

{noformat}
src/slave/containerizer/mesos/isolators/cgroups/devices/gpus/nvidia.cpp
{noformat}

It should use functionality from NVML to gather the current GPU usage and add it to a ResourceStatistics object. It is still an open question as to exactly what information we want to expose here (power, memory consumption, current load, etc.). Whatever we decide on should be standard across different GPU types, different GPU vendors, etc.



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