linux-kernel - Re: [PATCH] perf pmu: Fix event list for uncore PMUs

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Date:   Mon, 20 Dec 2021 11:34:47 -0500
From:   "Liang, Kan" <kan.liang@...ux.intel.com>
To:     John Garry <john.garry@...wei.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        zhengjun.xing@...ux.intel.com
Cc:     peterz@...radead.org, mingo@...hat.com, mark.rutland@....com,
        alexander.shishkin@...ux.intel.com, jolsa@...hat.com,
        namhyung@...nel.org, irogers@...gle.com,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf pmu: Fix event list for uncore PMUs



On 12/20/2021 3:38 AM, John Garry wrote:
> On 18/12/2021 01:47, Arnaldo Carvalho de Melo wrote:
>>> Commit 0e0ae8742207 ("perf list: Display hybrid PMU events with cpu 
>>> type")
>>> changed the list for uncore PMUs, such that duplicate aliases are now
>>> listed per PMU (which they should not be), like:
>>>
>>> ./perf list
>>> ...
>>> unc_cbo_cache_lookup.any_es
>>> [Unit: uncore_cbox L3 Lookup any request that access cache and found
>>> line in E or S-state]
>>> unc_cbo_cache_lookup.any_es
>>> [Unit: uncore_cbox L3 Lookup any request that access cache and found
>>> line in E or S-state]
>>> unc_cbo_cache_lookup.any_i
>>> [Unit: uncore_cbox L3 Lookup any request that access cache and found
>>> line in I-state]
>>> unc_cbo_cache_lookup.any_i
>>> [Unit: uncore_cbox L3 Lookup any request that access cache and found
>>> line in I-state]
>>> ...
>>>
>>> Notice how the events are listed twice.
>> Hi Jin,
>>
>>     Can I have your acked-by/tested-by?
> 
> Hi Arnaldo,
> 
> I assume that address is bouncing for you also.
> 

Yes, Jin Yao has left Intel.

> So if anyone else has one of these hybrid PMU x86 systems then it would 
> be appreciated to check this change.
> 

+ Zhengjun

Zhengjun,

Could you please help to verify the change?

Thanks,
Kan