linux-kernel - Re: [PATCH v5 12/15] perf pmu-events: Fix testing with JEVENTS

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Date:   Fri, 27 Jan 2023 13:18:32 +0000
From:   John Garry <john.g.garry@...cle.com>
To:     Ian Rogers <irogers@...gle.com>, Will Deacon <will@...nel.org>,
        James Clark <james.clark@....com>,
        Mike Leach <mike.leach@...aro.org>,
        Leo Yan <leo.yan@...aro.org>,
        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>,
        Namhyung Kim <namhyung@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Kim Phillips <kim.phillips@....com>,
        Florian Fischer <florian.fischer@...q.space>,
        Ravi Bangoria <ravi.bangoria@....com>,
        Xing Zhengjun <zhengjun.xing@...ux.intel.com>,
        Rob Herring <robh@...nel.org>,
        Kang Minchul <tegongkang@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        Sandipan Das <sandipan.das@....com>,
        Jing Zhang <renyu.zj@...ux.alibaba.com>,
        linuxppc-dev@...ts.ozlabs.org, Kajol Jain <kjain@...ux.ibm.com>
Cc:     Stephane Eranian <eranian@...gle.com>,
        Perry Taylor <perry.taylor@...el.com>,
        Caleb Biggers <caleb.biggers@...el.com>
Subject: Re: [PATCH v5 12/15] perf pmu-events: Fix testing with
 JEVENTS_ARCH=all

On 26/01/2023 23:36, Ian Rogers wrote:
> The #slots literal will return NAN when not on ARM64 which causes a
> perf test failure when not on an ARM64 for a JEVENTS_ARCH=all build:
> ..
>   10.4: Parsing of PMU event table metrics with fake PMUs             : FAILED!
> ..
> Add an is_test boolean so that the failure can be avoided when running
> as a test.
> 
> Fixes: acef233b7ca7 ("perf pmu: Add #slots literal support for arm64")
> ---

Again, no SoB here.

For me, though:

Reviewed-by: John Garry <john.g.garry@...cle.com>