Re: [RFC][PATCH 2/3] perf: Take a hot regs snapshot for traceevents

From: Frederic Weisbecker
Date: Thu Mar 04 2010 - 16:37:40 EST

On Thu, Mar 04, 2010 at 04:30:38PM -0500, Steven Rostedt wrote:
> On Thu, 2010-03-04 at 22:17 +0100, Ingo Molnar wrote:
> > * Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> >
> > No, we want to decouple it from 'tracing'. It's events, not tracing. Events
> > are more broader, they can be used for RAS, profiling, counting, etc. - not
> > just tracing.
> >
> > Furthermore, we only want /debug/tracing/events really, not the various
> > dynamic ftrace controls - those could remain in /debug/tracing/.
> I was talking about the files in the events directory:
> events/sched/sched_switch/{id,format,enable,filter}
> Seems only the format file should go in, and perhaps the id.
> I can keep the debug/tracing/events/* as is too, where the format and id
> just call the same routines that the eventfs calls, but add the enable
> and filter to be specific to ftrace.

The /debug/tracing/events could contain symlinks for the format
files so that the rest can stay there.

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