Re: [PATCH] tracing/ftrace: add missing wake-up on some callsites

Frederic Weisbecker
2009-02-23T17:05:45Z

On Mon, Feb 23, 2009 at 11:51:30AM -0500, Steven Rostedt wrote:
>
> On Mon, 23 Feb 2009, Frederic Weisbecker wrote:
> > >
> > > Perhaps we could add these callsites back, but we would need to update
> > > trace_wake_up.
> > >
> > > Have trace_wake_up set a flag instead, and add a tracepoint around the
> > > scheduler (outside the grabbing of runqueue locks), that will have a
> > > callback to the tracing code. That call back can perform the wakeups.
> > >
> > > How does that sound?
> >
> >
> > That sounds good but only for these particular tracers I guess.
>
> OK, what about making a trace_delay_wake_up()?

Which would send a delayed work to wake up?

> -- Steve
>