Re: [PATCH 2/2] tracing, sched: Add delay info to sched_switch

[Arun Sharma]

On 12/19/11 3:34 PM, Steven Rostedt wrote:
> On Tue, 2011-12-20 at 00:28 +0100, Peter Zijlstra wrote:
> > On Mon, 2011-12-19 at 15:23 -0800, Arun Sharma wrote:
> > > +#ifdef CONFIG_SCHEDSTATS
> > > +               __entry->delay          = next->se.statistics.block_start ? next->se.statistics.block_start
> > > +                                         : next->se.statistics.sleep_start ? next->se.statistics.sleep_start : 0;
> > > +               __entry->delay = __entry->delay ? now - __entry->delay : 0;
> > > +#else
> > > +               __entry->delay = 0;
> > > +#endif
> >
> > I don't really like this, this should be one of those sched_*_stat
> > thingies, not sched_switch().
>
> Agreed.

How does:

sched_stat_sleeptime(current, now);

at the same point sound? I'll leave sched_switch() as is.

 -Arun

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