Re: [PATCH 3/4] thermal: devfreq_cooling: Refactor code and switch to use Energy Model

[Lukasz Luba <lukasz.luba@xxxxxxx>]

On 1/21/20 5:11 PM, Steven Rostedt wrote:
> On Thu, 16 Jan 2020 15:20:31 +0000
> lukasz.luba@xxxxxxx wrote:
>
> > diff --git a/include/trace/events/thermal.h b/include/trace/events/thermal.h
> > index 135e5421f003..8a5f04888abd 100644
> > --- a/include/trace/events/thermal.h
> > +++ b/include/trace/events/thermal.h
> > @@ -153,31 +153,30 @@ TRACE_EVENT(thermal_power_cpu_limit,
> >   TRACE_EVENT(thermal_power_devfreq_get_power,
> >   	TP_PROTO(struct thermal_cooling_device *cdev,
> >   		 struct devfreq_dev_status *status, unsigned long freq,
> > -		u32 dynamic_power, u32 static_power, u32 power),
> > +		u32 power),
> >   
> > -	TP_ARGS(cdev, status,  freq, dynamic_power, static_power, power),
> > +	TP_ARGS(cdev, status,  freq, power),
> >   
> >   	TP_STRUCT__entry(
> >   		__string(type,         cdev->type    )
> >   		__field(unsigned long, freq          )
> > -		__field(u32,           load          )
> > -		__field(u32,           dynamic_power )
> > -		__field(u32,           static_power  )
> > +		__field(u32,           busy_time)
> > +		__field(u32,           total_time)
> >   		__field(u32,           power)
> >   	),
> >   
> >   	TP_fast_assign(
> >   		__assign_str(type, cdev->type);
> >   		__entry->freq = freq;
> > -		__entry->load = (100 * status->busy_time) / status->total_time;
> > -		__entry->dynamic_power = dynamic_power;
> > -		__entry->static_power = static_power;
> > +		__entry->busy_time = status->busy_time;
> > +		__entry->total_time = status->total_time;
> >   		__entry->power = power;
> >   	),
> >   
> > -	TP_printk("type=%s freq=%lu load=%u dynamic_power=%u static_power=%u power=%u",
> > +	TP_printk("type=%s freq=%lu load=%u power=%u",
> >   		__get_str(type), __entry->freq,
> > -		__entry->load, __entry->dynamic_power, __entry->static_power,
> > +		__entry->total_time == 0 ? 0 :
> > +			(100 * __entry->busy_time) / __entry->total_time,
> >   		__entry->power)
> >   );
> >   
>
> Tracing updates look fine to me. Having the division on the output
> makes more sense.
>
> Reviewed-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx> # for tracing code
>
> -- Steve

Thank you Steven, I will include it in the next version with a proper
label.

Regards,
Lukasz