linux-kernel - Re: [PATCH 2/2] perf c2c: Increase the HITM ratio limit for displayed cachelines

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Message-ID: <20181228123918.GE25753@kernel.org>
Date:   Fri, 28 Dec 2018 09:39:18 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Jiri Olsa <jolsa@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Joe Mario <jmario@...hat.com>
Subject: Re: [PATCH 2/2] perf c2c: Increase the HITM ratio limit for
 displayed cachelines

Em Fri, Dec 28, 2018 at 11:18:20AM +0100, Jiri Olsa escreveu:
> The cachelines being reported go down to 0.05%.  hat makes for very
> long output files. Raising that to 0.1%.  The user can always specify
> --show-all if they want all the cachelines.

Thanks, applied.

- Arnaldo
 
> Suggested-by: Joe Mario <jmario@...hat.com>
> Link: http://lkml.kernel.org/n/tip-uwxpd36jutygit56mycanwma@git.kernel.org
> Signed-off-by: Jiri Olsa <jolsa@...nel.org>
> ---
>  tools/perf/builtin-c2c.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
> index 321687f8f373..30584cb44fb7 100644
> --- a/tools/perf/builtin-c2c.c
> +++ b/tools/perf/builtin-c2c.c
> @@ -1878,7 +1878,7 @@ static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
>  	return hpp_list__parse(&c2c_hists->list, output, sort);
>  }
>  
> -#define DISPLAY_LINE_LIMIT  0.0005
> +#define DISPLAY_LINE_LIMIT  0.001
>  
>  static bool he__display(struct hist_entry *he, struct c2c_stats *stats)
>  {
> -- 
> 2.17.2

-- 

- Arnaldo