linux-kernel - Re: [PATCH v2] perf test: Simplify object code reading test

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Date:   Wed, 8 Nov 2023 17:10:17 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Adrian Hunter <adrian.hunter@...el.com>
Cc:     Namhyung Kim <namhyung@...nel.org>, Jiri Olsa <jolsa@...nel.org>,
        Ian Rogers <irogers@...gle.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-perf-users@...r.kernel.org,
        Thomas Richter <tmricht@...ux.ibm.com>,
        James Clark <james.clark@....com>
Subject: Re: [PATCH v2] perf test: Simplify object code reading test

Em Mon, Nov 06, 2023 at 10:15:07AM +0200, Adrian Hunter escreveu:
> On 3/11/23 21:55, Namhyung Kim wrote:
> > It tries cycles (or cpu-clock on s390) event with exclude_kernel bit to
> > open.  But other arch on a VM can fail with the hardware event and need
> > to fallback to the software event in the same way.
> > 
> > So let's get rid of the cpuid check and use generic fallback mechanism
> > using an array of event candidates.  Now event in the odd index excludes
> > the kernel so use that for the return value.
> > 
> > Cc: Thomas Richter <tmricht@...ux.ibm.com>
> > Tested-by: James Clark <james.clark@....com>
> > Signed-off-by: Namhyung Kim <namhyung@...nel.org>
> 
> Reviewed-by: Adrian Hunter <adrian.hunter@...el.com>

Thanks, applied to perf-tools-next.

- Arnaldo