linux-kernel - Re: [PATCH v1 3/6] perf auxtrace s390: Set the 'auxtrace' flag for AUX events

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Message-ID: <a9d07994-cf6e-4059-8180-c0b9cd51e528@intel.com>
Date: Mon, 22 Jul 2024 13:54:11 +0300
From: Adrian Hunter <adrian.hunter@...el.com>
To: Leo Yan <leo.yan@....com>, Arnaldo Carvalho de Melo <acme@...nel.org>,
 Namhyung Kim <namhyung@...nel.org>, Ian Rogers <irogers@...gle.com>,
 James Clark <james.clark@...aro.org>,
 Suzuki K Poulose <suzuki.poulose@....com>, Mike Leach
 <mike.leach@...aro.org>, John Garry <john.g.garry@...cle.com>,
 Will Deacon <will@...nel.org>, Jiri Olsa <jolsa@...nel.org>,
 Mark Rutland <mark.rutland@....com>, coresight@...ts.linaro.org,
 linux-arm-kernel@...ts.infradead.org, linux-perf-users@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 3/6] perf auxtrace s390: Set the 'auxtrace' flag for
 AUX events

On 21/07/24 23:21, Leo Yan wrote:
> Set the 'auxtrace' flag for AUX events on s390.
> 
> Signed-off-by: Leo Yan <leo.yan@....com>
> ---
>  tools/perf/arch/s390/util/auxtrace.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/tools/perf/arch/s390/util/auxtrace.c b/tools/perf/arch/s390/util/auxtrace.c
> index 5068baa3e092..d7e72413b262 100644
> --- a/tools/perf/arch/s390/util/auxtrace.c
> +++ b/tools/perf/arch/s390/util/auxtrace.c
> @@ -99,6 +99,7 @@ struct auxtrace_record *auxtrace_record__init(struct evlist *evlist,
>  		if (pos->core.attr.config == PERF_EVENT_CPUM_SF_DIAG) {
>  			diagnose = 1;
>  			pos->needs_auxtrace_mmap = true;
> +			pos->pmu->auxtrace = true;

This is probably too late. See:

https://lore.kernel.org/all/20240715160712.127117-7-adrian.hunter@intel.com/

>  			break;
>  		}
>  	}