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acaf0bb88a
We currently does not able to get any error message from subprocess when we specified capture_output=True on subprocess.run(). This is because CalledProcessError does not print stdout/stderr when it raised, and we don't catch the exception, we just let python to cause Traceback. Result of that, we only able to know exit status and failed command but not able to get stdout/stderr. This is problematic especially working on perftune.py bug, since the script should caused Traceback but we never able to see it. To resolve this, add wrapper function "out()" for capture output, and print stdout/stderr with error message inside the function. Fixes #10390 Closes #10391