Re: [PATCH 5/9] perf utils: add support for arch standard events

[Jiri Olsa]

On Wed, Feb 07, 2018 at 01:45:00AM +0800, John Garry wrote:

SNIP

> @@ -940,6 +1090,7 @@ int main(int argc, char *argv[])
>  	const char *output_file;
>  	const char *start_dirname;
>  	struct stat stbuf;
> +	struct event_struct *es1, *es2;
>  
>  	prog = basename(argv[0]);
>  	if (argc < 4) {
> @@ -984,17 +1135,28 @@ int main(int argc, char *argv[])
>  
>  	maxfds = get_maxfds();
>  	mapfile = NULL;
> +	rc = nftw(ldirname, preprocess_arch_std_files, get_maxfds(), 0);

you could use maxfds variable in here

jirka