linux-kernel - Re: [PATCH 1/2] perf tests: Fix "perf stat JSON output linter" test for new output

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Message-ID: <CAM9d7cgBvD69=Dy82m7ucXQ85=GaY0P-awkjidA32EDuWAp1RA@mail.gmail.com>
Date:   Wed, 30 Nov 2022 10:31:10 -0800
From:   Namhyung Kim <namhyung@...nel.org>
To:     Ian Rogers <irogers@...gle.com>
Cc:     James Clark <james.clark@....com>,
        linux-perf-users@...r.kernel.org, acme@...nel.org,
        linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>
Subject: Re: [PATCH 1/2] perf tests: Fix "perf stat JSON output linter" test
 for new output

Hi,

On Wed, Nov 30, 2022 at 10:19 AM Ian Rogers <irogers@...gle.com> wrote:
>
> On Wed, Nov 30, 2022 at 3:15 AM James Clark <james.clark@....com> wrote:
> >
> > Commit c4b41b83c250 ("perf stat: Rename "aggregate-number" to
> > "cpu-count" in JSON") renamed a field, so update the tests to reflect
> > this.
> >
> > This fixes the following failure:
> >
> >   $ sudo ./perf test "json output" -vvv
> >    96: perf stat JSON output linter                                    :
> >   --- start ---
> >   test child forked, pid 327720
> >   Checking json output: no args [Success]
> >   Checking json output: system wide [Success]
> >   Checking json output: interval [Success]
> >   Checking json output: event [Success]
> >   Checking json output: per thread [Success]
> >   Checking json output: per node Test failed for input:
> >   ...
> >   Traceback (most recent call last):
> >     File "./tools/perf/tests/shell/lib/perf_json_output_lint.py", line 93, in <module>
> >       check_json_output(expected_items)
> >     File "./tools/perf/tests/shell/lib/perf_json_output_lint.py", line 78, in check_json_output
> >       raise RuntimeError(f'Unexpected key: key={key} value={value}')
> >   RuntimeError: Unexpected key: key=cpu-count value=16
> >   test child finished with -1
> >   ---- end ----
> >   perf stat JSON output linter: FAILED!
> >
> > Fixes: c4b41b83c250 ("perf stat: Rename "aggregate-number" to "cpu-count" in JSON")
> > Signed-off-by: James Clark <james.clark@....com>
>
> Namhyung mentioned reverting change c4b41b83c250, in which case
> merging this would break the test again. I think the revert is better.

Yep, I will send the revert soon.

Thanks,
Namhyung