Re: [PATCH v2 0/6] perf arm64 metricgroup support

[Paul A. Clarke]

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@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/

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