Re: [PATCH v1 8/9] perf stat: Remove --per-thread pid/tid limitation

[Jiri Olsa]

On Mon, Nov 20, 2017 at 10:43:43PM +0800, Jin Yao wrote:

SNIP

> -	if ((stat_config.aggr_mode == AGGR_THREAD) && !target__has_task(&target)) {
> -		fprintf(stderr, "The --per-thread option is only available "
> -			"when monitoring via -p -t options.\n");
> -		parse_options_usage(NULL, stat_options, "p", 1);
> -		parse_options_usage(NULL, stat_options, "t", 1);
> -		goto out;
> +	if ((stat_config.aggr_mode == AGGR_THREAD) &&
> +		!target__has_task(&target)) {
> +		if (!target.system_wide || target.cpu_list) {
> +			fprintf(stderr, "The --per-thread option is only "
> +				"available when monitoring via -p -t "
> +				"options.\n");

the message should be updated with '-a' option, that you just added,
also why dont we support target.cpu_list, it should work no?

jirka