Re: [PATCH v1] perf stat: Don't display zero tool counts

[Arnaldo Carvalho de Melo]

Em Tue, Aug 01, 2023 at 01:54:52PM -0700, Ian Rogers escreveu:
> Skip zero counts for tool events.
> 
> Reported-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>

Andi,

	Have you tested this? Can we please have your Tested-by?

- Arnaldo:1


> Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
> ---
>  tools/perf/util/stat-display.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
> index 7329b3340f88..d45d5dcb0e2b 100644
> --- a/tools/perf/util/stat-display.c
> +++ b/tools/perf/util/stat-display.c
> @@ -931,6 +931,11 @@ static bool should_skip_zero_counter(struct perf_stat_config *config,
>  	 */
>  	if (config->aggr_mode == AGGR_THREAD && config->system_wide)
>  		return true;
> +
> +	/* Tool events have the software PMU but are only gathered on 1. */
> +	if (evsel__is_tool(counter))
> +		return true;
> +
>  	/*
>  	 * Skip value 0 when it's an uncore event and the given aggr id
>  	 * does not belong to the PMU cpumask.
> -- 
> 2.41.0.585.gd2178a4bd4-goog
> 

-- 

- Arnaldo