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    SubjectRe: [PATCH v2 0/6] perf arm64 metricgroup support
    On Thu, Mar 25, 2021 at 06:33:12PM +0800, John Garry wrote:
    > Metric reuse support is added for pmu-events parse metric testcase.
    > This had been broken on power9 recentlty:
    > https://lore.kernel.org/lkml/20210324015418.GC8931@li-24c3614c-2adc-11b2-a85c-85f334518bdb.ibm.com/

    Much better. Before:
    --
    $ perf test -v 10 2>&1 | grep -i error | wc -l
    112
    --
    After:
    --
    $ perf test -v 10 2>&1 | grep -i error | wc -l
    17
    --

    And these seem like different types of issues:
    --
    $ perf test -v 10 2>&1 | grep -i error
    Error string 'Cannot find PMU `nest_mcs01_imc'. Missing kernel support?' help '(null)'
    Error string 'Cannot find PMU `nest_mcs01_imc'. Missing kernel support?' help '(null)'
    Error string 'Cannot find PMU `nest_mcs23_imc'. Missing kernel support?' help '(null)'
    Error string 'Cannot find PMU `nest_mcs23_imc'. Missing kernel support?' help '(null)'
    Error string 'Cannot find PMU `nest_mcs01_imc'. Missing kernel support?' help '(null)'
    Error string 'Cannot find PMU `nest_mcs01_imc'. Missing kernel support?' help '(null)'
    Error string 'Cannot find PMU `nest_mcs23_imc'. Missing kernel support?' help '(null)'
    Error string 'Cannot find PMU `nest_mcs23_imc'. Missing kernel support?' help '(null)'
    Error string 'Cannot find PMU `nest_powerbus0_imc'. Missing kernel support?' help '(null)'
    Error string 'Cannot find PMU `nest_mcs23_imc'. Missing kernel support?' help '(null)'
    Error string 'Cannot find PMU `nest_mcs01_imc'. Missing kernel support?' help '(null)'
    Error string 'Cannot find PMU `nest_mcs01_imc'. Missing kernel support?' help '(null)'
    Error string 'Cannot find PMU `nest_mcs01_imc'. Missing kernel support?' help '(null)'
    Error string 'Cannot find PMU `nest_mcs01_imc'. Missing kernel support?' help '(null)'
    Error string 'Cannot find PMU `nest_mcs23_imc'. Missing kernel support?' help '(null)'
    Error string 'Cannot find PMU `nest_mcs23_imc'. Missing kernel support?' help '(null)'
    Error string 'Cannot find PMU `nest_mcs23_imc'. Missing kernel support?' help '(null)'
    --

    (Added Kajol Jain to CC)

    PC

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