Re: [RFC PATCH 1/3] sched, tracing: report task state in symbolic chars instead

[Steven Rostedt]

On Tue, 25 Jul 2023 22:16:03 +0200
Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:

> > Now, because the old tools still do the parsing of this format, we can
> > add a new field called prev_state_char that will give you this. Now to
> > save space, we should change prev_state to int (can't make it short as
> > there's that test for "+" which does sometimes happen). I believe we
> > can make prev_prio and next prio into shorts (and possibly chars!).  
> 
> Or just leave the thing alone?

Sure, but I would like to change the fields to smaller ones just so
that the event wastes less space on the buffer.

-- Steve