Arnaldo, On Wed, Mar 15, 2017 at 10:44 AM, Arnaldo Carvalho de Melo <[email protected]> wrote: > > Em Wed, Mar 15, 2017 at 10:08:27AM -0700, Stephane Eranian escreveu: > > On Wed, Mar 15, 2017 at 6:58 AM, Arnaldo Carvalho de Melo > > <[email protected]> wrote: > > > Em Wed, Mar 15, 2017 at 10:50:59AM -0300, Arnaldo Carvalho de Melo > > > escreveu: > > >> So, fixing up the "tasks" -> "tasks" we end up with something safe and > > >> that avoids this by now > > > > > > "tasks" -> "task", grrr > > > > > Oops, yeah, sorry about that. > > Let me submit a V2 with the fix. > > Ok, but what about the other observations, what is the kernel you're > using? > Ok, yeah, I was using an older kernel which still had [stack:tid] annotations. With more recent kernel, it seems this optimization is not needed. I guess it would only be useful to people running a new perf on a older kernel.
> > I think this will not make any difference for any kernel >= 4.9, which > isn't to say the patch shouldn't be applied, I'm just curious. > correct, see above. > > - Arnaldo
