On Thu, 2013-08-08 at 11:02 +0900, Masami Hiramatsu wrote: > # mkdir instances/hoge > # echo 'enable_event:mce:mce_record' > > instances/hoge/events/syscalls/sys_enter_symlink/trigger > # cat instances/hoge/events/syscalls/sys_enter_symlink/enable > 0* > # cat instances/hoge/events/mce/mce_record/enable > 0 > # cat events/mce/mce_record/enable > 0* > # ln -sf /dev/null /tmp > # cat instances/hoge/events/mce/mce_record/enable > 0 > # cat events/mce/mce_record/enable > 1* > > This looks odd, I expected enabling mce/mce_record under instances/hoge. > > And, there is a bug of ftrace itself (not introduced by this series) I've > found. > After the above operation, we can delete the instance "hoge", but the > soft-mode > flag of mce_record is not cleared, even though there is no trigger referring > the event. > > # rmdir instances/hoge > # cat events/mce/mce_record/enable > 1*
Ouch. I'll have to look into this. Thanks! > And also, could you rebase your patches on trace/for-next branch? > Since that branch includes most of the latest fixes, it is better to > review with it. Yeah, it would be good to rebase against that. I may finally have time to look into these patches. -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
