Re: [PATCH] ASoC: trace: track dapm type in snd_soc_dapm_widget

From: Liu, Changcheng
Date: Wed Aug 08 2018 - 09:00:16 EST


Thanks Steven for the suggestion.
I'll write two patches. One is for cleaning the format issue. The other
is for tracking the dapm up/down sequence in trace events.

B.R.
Changcheng

On 08:53 Wed 08 Aug, Steven Rostedt wrote:
> On Wed, 8 Aug 2018 20:39:22 +0800
> "Liu, Changcheng" <changcheng.liu@xxxxxxxxx> wrote:
>
> > > > - TP_printk("widget=%s val=%d", __get_str(name),
> > > > - (int)__entry->val)
> > > > + TP_printk("widget=%s dapm_id=%d val=%d", __get_str(name),
> > > > + (int)__entry->id, (int)__entry->val)
> > >
> > > Not sure why it was there before, but the (int) typecast isn't needed
> > > in either case. __field(int, val) makes __entry->val of type int. Same
> > > for id.
> > >
> > > -- Steve
> >
> > @Steve: This patch aims at tracking the dapm up/down sequence. For the
> > (int) typecast format problem, what do you think of using another
> > seperate patch to resolve it?
>
> Yeah, I was just commenting on that as a general comment. It doesn't
> affect the actual patch, which I don't see anything wrong with it from
> a tracing point of view.
>
> I agree the typecast removal should be done in a separate clean-up
> patch.
>
> -- Steve