linux-kernel - Re: [PATCH 07/13] perf hists browser: Fixup the "cpu" column width calculation

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Message-ID: <55F2B28A.5020405@huawei.com>
Date:	Fri, 11 Sep 2015 18:52:58 +0800
From:	"Wangnan (F)" <wangnan0@...wei.com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Kan Liang <kan.liang@...el.com>
CC:	Ingo Molnar <mingo@...nel.org>, <linux-kernel@...r.kernel.org>,
	"Arnaldo Carvalho de Melo" <acme@...hat.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Borislav Petkov <bp@...e.de>, David Ahern <dsahern@...il.com>,
	"Frederic Weisbecker" <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 07/13] perf hists browser: Fixup the "cpu" column width
 calculation



On 2015/9/10 3:50, Arnaldo Carvalho de Melo wrote:
> From: Arnaldo Carvalho de Melo <acme@...hat.com>
>
> Since we were not setting it to at least 3 chars ('CPU'), it was being
> reset to zero when recalculating the columns width when refreshing the
> screen, in 'perf top'. Fix it.

Tested-by: Wang Nan <wangnan0@...wei.com>

> Cc: Adrian Hunter <adrian.hunter@...el.com>
> Cc: Borislav Petkov <bp@...e.de>
> Cc: David Ahern <dsahern@...il.com>
> Cc: Frederic Weisbecker <fweisbec@...il.com>
> Cc: Jiri Olsa <jolsa@...hat.com>
> Cc: Kan Liang <kan.liang@...el.com>
> Cc: Namhyung Kim <namhyung@...nel.org>
> Cc: Stephane Eranian <eranian@...gle.com>
> Cc: Wang Nan <wangnan0@...wei.com>
> Link: http://lkml.kernel.org/n/tip-iqcdnkkqm6sew06x01fbijmy@git.kernel.org
> Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> ---
>   tools/perf/util/hist.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
> index 67b48616ab31..b3567a25f0c4 100644
> --- a/tools/perf/util/hist.c
> +++ b/tools/perf/util/hist.c
> @@ -146,6 +146,7 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
>   		hists__set_unres_dso_col_len(hists, HISTC_MEM_DADDR_DSO);
>   	}
>   
> +	hists__new_col_len(hists, HISTC_CPU, 3);
>   	hists__new_col_len(hists, HISTC_SOCKET, 6);
>   	hists__new_col_len(hists, HISTC_MEM_LOCKED, 6);
>   	hists__new_col_len(hists, HISTC_MEM_TLB, 22);


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