Weston Pace created ARROW-15061:
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Summary: [C++] Add logging for kernel functions and exec plan nodes
Key: ARROW-15061
URL: https://issues.apache.org/jira/browse/ARROW-15061
Project: Apache Arrow
Issue Type: Sub-task
Components: C++
Reporter: Weston Pace
Using OT we should add spans that report the runtime of kernel functions. We
should ensure that, if OT is disabled, there is no significant overhead.
In addition we should add spans that report the runtime of each exec node.
This may be a little trickier than it would first seem because pipeline
breakers like join, etc. don't do all of their work inside of InputReceived.
Those could potentially be added later in follow-up PRs if it is getting to be
too tricky. The simple nodes like FilterNode and ProjectNode should be more
straightforward. These spans should be the parent of any kernel functions
launched by that node.
There should also be a span for an entire exec plan run that will be the parent
of all of this.
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