linux-kernel - Re: [PATCH 1/3] perf ui/tui: Reset output width for hierarchy

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Date:   Tue, 20 Sep 2016 09:07:28 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     Namhyung Kim <namhyung@...nel.org>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Jiri Olsa <jolsa@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Andi Kleen <andi@...stfloor.org>
Subject: Re: [PATCH 1/3] perf ui/tui: Reset output width for hierarchy

On Tue, Sep 20, 2016 at 02:30:23PM +0900, Namhyung Kim wrote:
> When --hierarchy option is used, each entry has its own hpp_list to show
> the result.  But it missed to update width of each column.
> 
> Before:
> 
>   - 46.29% 48.12%        netctl-auto
>      + 31.44% 29.25%        [kernel.vmlinux]
>      + 8.52% 11.55%        libc-2.22.so
>      + 5.19% 6.91%        bash
>   + 10.75% 11.83%        wpa_cli
>   + 8.25% 2.23%        swapper
>   + 6.45% 5.40%        tr
>   + 4.81% 8.09%        awk
>   + 4.15% 2.85%        firefox
>   + 3.86% 2.53%        sh
> 
> After:
> 
>   -  46.29%  48.12%        netctl-auto
>       +  31.44%  29.25%        [kernel.vmlinux]
>       +   8.52%  11.55%        libc-2.22.so
>       +   5.19%   6.91%        bash
>   +  10.75%  11.83%        wpa_cli
>   +   8.25%   2.23%        swapper
>   +   6.45%   5.40%        tr
>   +   4.81%   8.09%        awk
>   +   4.15%   2.85%        firefox
>   +   3.86%   2.53%        sh
> 
> Fixes: 1b2dbbf41a0f ("perf hists: Use own hpp_list for hierarchy mode")
> Signed-off-by: Namhyung Kim <namhyung@...nel.org>

Acked-by: Jiri Olsa <jolsa@...nel.org>

thanks,
jirka

> ---
>  tools/perf/ui/browsers/hists.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
> index 35e44b1879e3..49db16334814 100644
> --- a/tools/perf/ui/browsers/hists.c
> +++ b/tools/perf/ui/browsers/hists.c
> @@ -2067,6 +2067,7 @@ void hist_browser__init(struct hist_browser *browser,
>  			struct hists *hists)
>  {
>  	struct perf_hpp_fmt *fmt;
> +	struct perf_hpp_list_node *node;
>  
>  	browser->hists			= hists;
>  	browser->b.refresh		= hist_browser__refresh;
> @@ -2079,6 +2080,11 @@ void hist_browser__init(struct hist_browser *browser,
>  		perf_hpp__reset_width(fmt, hists);
>  		++browser->b.columns;
>  	}
> +	/* hierarchy entries have their own hpp list */
> +	list_for_each_entry(node, &hists->hpp_formats, list) {
> +		perf_hpp_list__for_each_format(&node->hpp, fmt)
> +			perf_hpp__reset_width(fmt, hists);
> +	}
>  }
>  
>  struct hist_browser *hist_browser__new(struct hists *hists)
> -- 
> 2.9.3
>