On Mon, 12 Oct 2020 08:14:50 -0700
Rob Clark <robdcl...@chromium.org> wrote:

> > DEFINE_EVENT(sched_kthread_work_execute_template, 
> > sched_kthread_work_execute_start,
> >         TP_PROTO(struct kthread_work *work),
> >         TP_ARGS(work));
> >
> > DEFINE_EVENT(sched_kthread_work_execute_template, 
> > sched_kthread_work_execute_end,
> >         TP_PROTO(struct kthread_work *work),
> >         TP_ARGS(work));
> >
> > As events are cheap, classes are expensive (size wise), and a TRACE_EVENT()
> > is really just a CLASS and EVENT for a single instance.  
> 
> I think we cannot quite do this, because we should not rely on being

Ah I missed seeing that one used work->func and the other passed in the
function.

> able to dereference work after it finishes.  Although I suppose I
> could just define it to explicitly pass the fxn ptr to both
> tracepoints..

But yes, I would rather see that. It could save up to 5K in text and data.

-- Steve

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