On Tue, 29 Oct 2013 13:33:29 +0400, Stanislav Fomichev wrote: >> Hmm.. double negation is always confusing to me. :-/ How about making >> it a boolean option that sets "task_only" variable? > Ok. > >> Also need to update the doc. And what if user gives -P and -T options >> at the same time? > Is something like this is enough (or you'd like some printout with error > details)? > > if (!proc_num && task_only) > usage_with_options(timechart_usage, options);
It'd be better if we have: if (power_only && task_only) { pr_err("-P and -T options cannot be used at the same time.\n"); return -1; } Thanks, Namhyung -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/