linux-kernel - Re: [PATCH 04/61] perf tools: Use bigger buffer for stdio headers

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Message-ID: <20160921151532.GI4973@kernel.org>
Date:   Wed, 21 Sep 2016 12:15:32 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Jiri Olsa <jolsa@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Don Zickus <dzickus@...hat.com>, Joe Mario <jmario@...hat.com>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Namhyung Kim <namhyung@...nel.org>,
        David Ahern <dsahern@...il.com>,
        Andi Kleen <andi@...stfloor.org>
Subject: Re: [PATCH 04/61] perf tools: Use bigger buffer for stdio headers

Em Mon, Sep 19, 2016 at 03:09:13PM +0200, Jiri Olsa escreveu:
> With node column on big CPUs servers we can run out
> of stdio header space quite soon. Enlarging header
> buffer.

Applied.

- Arnaldo
 
> Link: http://lkml.kernel.org/n/tip-p55193hynw8mmok6i2o1wx6c@git.kernel.org
> Signed-off-by: Jiri Olsa <jolsa@...nel.org>
> ---
>  tools/perf/ui/stdio/hist.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
> index cb0371106c21..0a32b48eda80 100644
> --- a/tools/perf/ui/stdio/hist.c
> +++ b/tools/perf/ui/stdio/hist.c
> @@ -699,7 +699,7 @@ hists__fprintf_standard_headers(struct hists *hists,
>  
>  static int hists__fprintf_headers(struct hists *hists, FILE *fp)
>  {
> -	char bf[96];
> +	char bf[1024];
>  	struct perf_hpp dummy_hpp = {
>  		.buf	= bf,
>  		.size	= sizeof(bf),
> -- 
> 2.7.4