linux-kernel - Re: [PATCH 1/8] perf arm-spe: Enable sample type PERF_SAMPLE_DATA

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20210122125157.GG356537@kernel.org>
Date:   Fri, 22 Jan 2021 09:51:57 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     James Clark <james.clark@....com>
Cc:     linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        Leo Yan <leo.yan@...aro.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@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        John Garry <john.garry@...wei.com>,
        Will Deacon <will@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Al Grant <al.grant@....com>,
        Andre Przywara <andre.przywara@....com>,
        Wei Li <liwei391@...wei.com>,
        Tan Xiaojun <tanxiaojun@...wei.com>,
        Adrian Hunter <adrian.hunter@...el.com>
Subject: Re: [PATCH 1/8] perf arm-spe: Enable sample type PERF_SAMPLE_DATA_SRC

Em Tue, Jan 19, 2021 at 04:46:51PM +0200, James Clark escreveu:
> From: Leo Yan <leo.yan@...aro.org>
> 
> This patch is to enable sample type PERF_SAMPLE_DATA_SRC for Arm SPE in
> the perf data, when output the tracing data, it tells tools that it
> contains data source in the memory event.
> 
> Signed-off-by: Leo Yan <leo.yan@...aro.org>
> Signed-off-by: James Clark <james.clark@....com>

I see two Signed-off-by, ok, any Reviewed-by?

- Arnaldo

> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: Arnaldo Carvalho de Melo <acme@...nel.org>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
> Cc: Jiri Olsa <jolsa@...hat.com>
> Cc: Namhyung Kim <namhyung@...nel.org>
> Cc: John Garry <john.garry@...wei.com>
> Cc: Will Deacon <will@...nel.org>
> Cc: Mathieu Poirier <mathieu.poirier@...aro.org>
> Cc: Al Grant <al.grant@....com>
> Cc: Andre Przywara <andre.przywara@....com>
> Cc: Wei Li <liwei391@...wei.com>
> Cc: Tan Xiaojun <tanxiaojun@...wei.com>
> Cc: Adrian Hunter <adrian.hunter@...el.com>
> ---
>  tools/perf/util/arm-spe.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c
> index 8901a1656a41..b134516e890b 100644
> --- a/tools/perf/util/arm-spe.c
> +++ b/tools/perf/util/arm-spe.c
> @@ -803,7 +803,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf_session *session)
>  	attr.type = PERF_TYPE_HARDWARE;
>  	attr.sample_type = evsel->core.attr.sample_type & PERF_SAMPLE_MASK;
>  	attr.sample_type |= PERF_SAMPLE_IP | PERF_SAMPLE_TID |
> -		PERF_SAMPLE_PERIOD;
> +			    PERF_SAMPLE_PERIOD | PERF_SAMPLE_DATA_SRC;
>  	if (spe->timeless_decoding)
>  		attr.sample_type &= ~(u64)PERF_SAMPLE_TIME;
>  	else
> -- 
> 2.28.0
> 

-- 

- Arnaldo