linux-kernel - Re: [PATCH v3 2/2] perf test: Skip annotate test for sanitizer builds

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Message-ID: <ZxmHOkp1USQCujM-@google.com>
Date: Wed, 23 Oct 2024 16:31:06 -0700
From: Namhyung Kim <namhyung@...nel.org>
To: Ian Rogers <irogers@...gle.com>
Cc: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Kan Liang <kan.liang@...ux.intel.com>,
	Thomas Richter <tmricht@...ux.ibm.com>,
	James Clark <james.clark@...aro.org>,
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/2] perf test: Skip annotate test for sanitizer builds

On Tue, Oct 22, 2024 at 10:48:38AM -0700, Ian Rogers wrote:
> Symbols vary and the test breaks.
> 
> Closes: https://lore.kernel.org/lkml/CAP-5=fU04PAN4T=7KuHA4h+po=oTy+6Nbee-Gvx9hCsEf2Lh0w@mail.gmail.com/
> Signed-off-by: Ian Rogers <irogers@...gle.com>
> ---
>  tools/perf/tests/shell/annotate.sh | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/tools/perf/tests/shell/annotate.sh b/tools/perf/tests/shell/annotate.sh
> index 1590a37363de..199f547e656d 100755
> --- a/tools/perf/tests/shell/annotate.sh
> +++ b/tools/perf/tests/shell/annotate.sh
> @@ -4,6 +4,12 @@
>  
>  set -e
>  
> +if perf check feature -q sanitizer
> +then
> +  echo "Skip test with sanitizers due to differing assembly code"

I don't think it's because of different assembly code.
It should be the return value from ASAN leak detector.

Maybe we can enable it using "ASAN_OPTIONS=detect_leaks=0"?
Probably with a comment that mentions we don't call
perf_session__delete() in perf annotate for a performance reason.

Thanks,
Namhyung


> +  exit 2
> +fi
> +
>  shelldir=$(dirname "$0")
>  
>  # shellcheck source=lib/perf_has_symbol.sh
> -- 
> 2.47.0.163.g1226f6d8fa-goog
>