Re: [PATCH 0/4] ftrace: Add 'function-fork' trace option (v2)

From: Steven Rostedt
Date: Tue Apr 18 2017 - 21:26:12 EST


On Wed, 19 Apr 2017 09:27:28 +0900
Namhyung Kim <namhyung@xxxxxxxxxx> wrote:

> Hi Steve,
>
> Sorry for little late,
>
> On Tue, Apr 18, 2017 at 4:18 AM, Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> > On Mon, 17 Apr 2017 11:44:26 +0900
> > Namhyung Kim <namhyung@xxxxxxxxxx> wrote:
> >
> >> Hello,
> >>
> >> This patchset add 'function-fork' option to function tracer which
> >> makes pid filter to be inherited like 'event-fork' does. During the
> >> test, I found a bug of pid filter on an instance directory. The patch
> >> 1 fixes it and maybe it should go to the stable tree.
> >
> > Hmm, are the other patches dependent on it?
>
> Nop, but there will be a small clash on trace.h for the declaration.

Yep, I push up a merge with mainline with my linux-next branch to cover
the conflicts. I'll let Linus know about it too when I do my pull
request in the merge window.

>
> >
> > I think I may just push it separately to Linus now, but the other
> > patches will be on my devel branch which will not be abased off of this
> > fix. Will that break too much? I just cherry-picked a patch from my
> > urgent branch as it required to be on my devel branch and go to Linus.
>
> I don't think it breaks much.

Except that your test triggers the bug it uncovered ;-)

-- Steve

>
> >
> > Hmm, I may be able to make a separate branch with this. I have to see
> > how much it conflicts with my current development.