linux-kernel - Re: [PATCH RFC 3/7] perf jevents: Add support for a system events PMU

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Date:   Mon, 10 Feb 2020 13:07:39 +0100
From:   Jiri Olsa <jolsa@...hat.com>
To:     John Garry <john.garry@...wei.com>
Cc:     peterz@...radead.org, mingo@...hat.com, acme@...nel.org,
        mark.rutland@....com, alexander.shishkin@...ux.intel.com,
        namhyung@...nel.org, will@...nel.org, ak@...ux.intel.com,
        linuxarm@...wei.com, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, suzuki.poulose@....com,
        james.clark@....com, zhangshaokun@...ilicon.com,
        robin.murphy@....com
Subject: Re: [PATCH RFC 3/7] perf jevents: Add support for a system events PMU

On Fri, Jan 24, 2020 at 10:35:01PM +0800, John Garry wrote:

SNIP

> +	return ret;
> +}
> +
>  /*
>   * If we fail to locate/process JSON and map files, create a NULL mapping
>   * table. This would at least allow perf to build even if we can't find/use
> @@ -887,6 +917,7 @@ static int get_maxfds(void)
>   */
>  static FILE *eventsfp;
>  static char *mapfile;
> +static char *mapfile_sys;
>  
>  static int is_leaf_dir(const char *fpath)
>  {
> @@ -1024,6 +1055,11 @@ static int process_one_file(const char *fpath, const struct stat *sb,
>  			return 0;
>  		}
>  
> +		if (!strcmp(bname, "mapfile_sys.csv")) {
> +			mapfile_sys = strdup(fpath);


we could release that in the cleanup code at the end of main
together with 'mapfile', which is also missing

jirka