Re: [PATCH 1/8] perf arm-spe: Enable sample type PERF_SAMPLE_DATA_SRC

[Arnaldo Carvalho de Melo <acme@kernel.org>]

Em Tue, Jan 19, 2021 at 04:46:51PM +0200, James Clark escreveu:
> From: Leo Yan <leo.yan@linaro.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@linaro.org>
> Signed-off-by: James Clark <james.clark@arm.com>

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

- Arnaldo

> Cc: Peter Zijlstra <peterz@infradead.org>
> Cc: Ingo Molnar <mingo@redhat.com>
> Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
> Cc: Jiri Olsa <jolsa@redhat.com>
> Cc: Namhyung Kim <namhyung@kernel.org>
> Cc: John Garry <john.garry@huawei.com>
> Cc: Will Deacon <will@kernel.org>
> Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
> Cc: Al Grant <al.grant@arm.com>
> Cc: Andre Przywara <andre.przywara@arm.com>
> Cc: Wei Li <liwei391@huawei.com>
> Cc: Tan Xiaojun <tanxiaojun@huawei.com>
> Cc: Adrian Hunter <adrian.hunter@intel.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