linux-kernel - Re: [PATCH v5 0/3] Add metric value validation test

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Date:   Thu, 7 Sep 2023 09:33:58 -0700
From:   Namhyung Kim <namhyung@...nel.org>
To:     "Wang, Weilin" <weilin.wang@...el.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>,
        "Hunter, Adrian" <adrian.hunter@...el.com>,
        Ian Rogers <irogers@...gle.com>,
        "linux-perf-users@...r.kernel.org" <linux-perf-users@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Kan Liang <kan.liang@...ux.intel.com>,
        "Alt, Samantha" <samantha.alt@...el.com>,
        "Taylor, Perry" <perry.taylor@...el.com>,
        "Biggers, Caleb" <caleb.biggers@...el.com>,
        "ravi.bangoria@....com" <ravi.bangoria@....com>
Subject: Re: [PATCH v5 0/3] Add metric value validation test

On Wed, Sep 6, 2023 at 9:58 PM Wang, Weilin <weilin.wang@...el.com> wrote:
>
> Hi Namhyung,
>
> The report shows there are four metrics return with no values. Do you know which processor this was tested on?

It's a laptop with 11th gen CPUs (tigerlake).

$ head /proc/cpuinfo
processor    : 0
vendor_id    : GenuineIntel
cpu family    : 6
model        : 140
model name    : 11th Gen Intel(R) Core(TM) i7-1185G7 @ 3.00GHz
stepping    : 1
microcode    : 0xac
cpu MHz        : 3899.531
cache size    : 12288 KB
physical id    : 0

>
> I can look into the test and see if I could improve the final report to make it easier to debug when fails.

Thanks,
Namhyung