Re: [PATCH v5 3/5] perf test: Add pmu-event test for "Compat" and new event_field.

[Jing Zhang]

在 2023/7/31 下午9:12, John Garry 写道:
> On 31/07/2023 13:30, Jing Zhang wrote:
>>>> +        .pmu = {
>>>> +            .name = (char *)"uncore_arm_cmn_0",
>>>> +            .is_uncore = 1,
>>>> +            .id = (char *)"43602",
>>>> +        },
>>>> +        .aliases = {
>>>> +            &sys_cmn_pmu_hnf_cache_miss,
>>>> +        },
>>>> +    },
>>>> +    {
>>>> +        .pmu = {
>>>> +            .name = (char *)"uncore_arm_cmn_1",
>>> Shouldn't this match some perf_pmu_test_event entry with same matching_pmu member? But is perf_pmu_test_event.matching_pmu member ever used for any checking???
>>>
>> I need to double check because I was testing against 6.3-rc2.
> 
> That 6.3-rc2, was for the the kernel? Or baseline for this series? See see maintainers for git/branch to base perf tool dev on.
> 

I have now developed based on the latest perf tool, but I'm still confused.
"matching_pmu" does not seem to have any effect. No matter what value matching_pmu
is, it will not affect the final test result.

Thank,
Jing