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