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    SubjectRe: [PATCH 0/7] selftests/resctrl: Add resctrl selftest
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    On 10/16/2018 03:32 PM, Fenghua Yu wrote:
    >> From: Moger, Babu [mailto:Babu.Moger@amd.com]
    >> On 10/16/2018 11:56 AM, Fenghua Yu wrote:
    >>> With more and more resctrl features are being added by Intel, AMD and
    >>> ARM, a test tool is becoming more and more useful to validate that
    >>> both hardware and software functionalities work as expected.
    >>
    >> I like the initiative here. It is always good to have a single code base.
    >>
    >> One question. I see that there is a tool at https://github.com/intel/intel-cmt-cat to test and verify the functionality of resctrl feature. I also see some of the distros have this tool already.
    >> Is this tool going to replace intel-cmt-cat? I have not looked at the
    >> patches closely yet.
    >
    > No, the selftest in this patch set will not replace intel-cmt-cat or
    > vice versa.
    >
    > The selftest in this patch set has a different purpose from intel-cmt-cat:
    > the selftest is a test tool which validates resctrl functionalities while
    > intel-cmt-cat is mainly a utility that provides base library for higher
    > level applications including performance analysis tools, benchmark measurement
    > tools, and potential resctrl tests. For example, running MBA test in the
    > selftests tells MBA working or not working (fail/pass) right way. The

    Ok. Sure. Let me take a look at selftest closely. Will send my feedback soon.

    > intel-cmt-cat doesn't have this testing capability unless we extend the
    > tool.
    >
    > And intel-cmt-cat is maintained and developed by Intel. I don't think it's
    > easy to extend it to AMD and ARM features. The selftest will be maintained

    We1l.. We were hoping to have a common tool across. It makes it easy for
    distros. Probably, we can have a separate discussion on this.

    > and developed by the community and will hopefully cover all architectures.
    >
    > We have seen a few issues recently in resctrl and may see more issues
    > while expending the features. A convevient selftest may be useful to help
    > identify and fix those potential issues.
    >
    > Thanks.
    >
    > -Fenghua
    >
    >
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