Re: [patch for 2.6.26 0/7] Architecture Independent Markers

KOSAKI Motohiro
2008-03-27T17:08:55Z

Hi

> text data bss dec hex filename
> 37642 7014 384 45040 aff0 sched.o.before
> 37930 7134 384 45448 b188 sched.o.after
>
> 288 bytes for only 3 markers in the scheduler - that's 96 bytes added
> per every marker (44 bytes of that in the fastpath).
>
> and the tracer codepath is now slower and more complex as well.
>
> A classic lose-lose situation, so let's apply this patch. Not!
>
> NACK-ed-by: Ingo Molnar <mingo@elte.hu>

I wonder why nobody doesn't fix this serious problem until now.
and I am interesting to what difference to ftrace and marker.

if I have time at next week, I will investigate the marker problem.