Re: [RFC 0/3] x86_64,tracing: multiplexing function tracer

[Jiri Olsa <jolsa@redhat.com>]

On Fri, Apr 29, 2011 at 10:57:10AM -0400, Steven Rostedt wrote:
> On Fri, 2011-04-29 at 16:43 +0200, Jiri Olsa wrote:
> > hi, me again ;)
> > 
> > from last RFC email it turned out it'd be good to have support
> > for more than 1 currently running function tracers. With
> > the possibility to specify separate filter for each of them.
> 
> Jiri, I thought I told you to wait, as I'm basically doing the same
> thing. Except that I'm gutting the heck out of ftrace.c.

yep, I was just keeping busy.. ;)
looking forward to see your change

jirka

> 
> I've been working the last several days rewriting this code.
> 
> > 
> > I thought about one way how to do that and put it to the
> > code for considering. It seems to work properly, though
> > I was fighting with set_ftrace_filter for a while.. and
> > it is still not ideal ;)
> 
> Soon, set_ftrace_filter will only affect the function tracer and not any
> other user of function tracing.
> 
> I'm almost done. I was hoping to release something today, but it will
> probably have to wait till next week.
> 
> -- Steve
> 
>