linux-kernel - Re: [PATCH v12 2/3]: perf record: enable asynchronous trace writing

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Message-ID: <20181011134550.GB29634@krava>
Date:   Thu, 11 Oct 2018 15:45:50 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     Alexey Budankov <alexey.budankov@...ux.intel.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Andi Kleen <ak@...ux.intel.com>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v12 2/3]: perf record: enable asynchronous trace writing

On Tue, Oct 09, 2018 at 11:58:53AM +0300, Alexey Budankov wrote:

SNIP

> @@ -1378,6 +1566,22 @@ static int parse_clockid(const struct option *opt, const char *str, int unset)
>  	return -1;
>  }
>  
> +#ifdef HAVE_AIO_SUPPORT
> +static int record__aio_parse(const struct option *opt,
> +			     const char *str __maybe_unused,
> +			     int unset)
> +{
> +	struct record_opts *opts = (struct record_opts *)opt->value;
> +
> +	if (unset)
> +		opts->nr_cblocks = 0;
> +	else
> +		opts->nr_cblocks = 1;
> +
> +	return 0;
> +}
> +#endif

same, please move this up to have just one 'ifdef HAVE_AIO_SUPPORT' block

thanks,
jirka