On Fri, Dec 04, 2015 at 03:15:45PM +0100, Vlastimil Babka wrote: > On 12/03/2015 07:38 PM, yalin wang wrote: > >that’s all, see cpumask_pr_args(masks) macro, > >it also use macro and %*pb to print cpu mask . > >i think this method is not very complex to use . > > Well, one also has to write the appropriate translation tables. > > >search source code , > >there is lots of printk to print flag into hex number : > >$ grep -n -r 'printk.*flag.*%x’ . > >it will be great if this flag string print is generic. > > I think it can always be done later, this is an internal API. For now we > just have 3 quite generic flags, so let's not over-engineer things right > now. > As long as it is never used in the TP_printk() part of a tracepoint. As soon as it is, trace-cmd and perf will update parse-events to handle that parameter, and as soon as that is done, it becomes a userspace ABI. Just be warned. -- Steve -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>