Re: [PATCH v2 1/5] thermal: devfreq_cooling: change tracing function and arguments

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On Wednesday 18 Nov 2020 at 12:03:54 (+0000), Lukasz Luba wrote:
> Prepare for deleting the static and dynamic power calculation and clean
> the trace function. These two fields are going to be removed in the next
> changes.
> 
> Reviewed-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx> # for tracing code
> Signed-off-by: Lukasz Luba <lukasz.luba@xxxxxxx>
> ---
>  drivers/thermal/devfreq_cooling.c |  3 +--
>  include/trace/events/thermal.h    | 19 +++++++++----------
>  2 files changed, 10 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c
> index dfab49a67252..659c0143c9f0 100644
> --- a/drivers/thermal/devfreq_cooling.c
> +++ b/drivers/thermal/devfreq_cooling.c
> @@ -277,8 +277,7 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd
>  		*power = dyn_power + static_power;
>  	}
>  
> -	trace_thermal_power_devfreq_get_power(cdev, status, freq, dyn_power,
> -					      static_power, *power);
> +	trace_thermal_power_devfreq_get_power(cdev, status, freq, *power);
>  
>  	return 0;
>  fail:
> 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)
>  );
>  
> -- 
> 2.17.1
> 

Reviewed-by: Ionela Voinescu <ionela.voinescu@xxxxxxx>

Regards,
Ionela.
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