On Fri, Oct 13, 2017 at 10:21:50AM -0400, Steven Rostedt wrote:
> From: Steven Rostedt (VMware) <rost...@goodmis.org>
> 
> As trace events when defined create data structures and functions to
> process them, defining trace events when not using them is a waste of
> memory.
> 
> The trace events thermal_power_devfreq_get_power and
> thermal_power_devfreq_limit are only used when CONFIG_DEVFREQ_THERMAL
> is set. Make those events only defined when that is set as well.
> 
> Signed-off-by: Steven Rostedt (VMware) <rost...@goodmis.org>

Acked-by: Javi Merino <javi.mer...@kernel.org>

> ---
> Index: linux-trace.git/include/trace/events/thermal.h
> ===================================================================
> --- linux-trace.git.orig/include/trace/events/thermal.h
> +++ linux-trace.git/include/trace/events/thermal.h
> @@ -148,6 +148,7 @@ TRACE_EVENT(thermal_power_cpu_limit,
>               __entry->power)
>  );
>  
> +#ifdef CONFIG_DEVFREQ_THERMAL
>  TRACE_EVENT(thermal_power_devfreq_get_power,
>       TP_PROTO(struct thermal_cooling_device *cdev,
>                struct devfreq_dev_status *status, unsigned long freq,
> @@ -203,6 +204,7 @@ TRACE_EVENT(thermal_power_devfreq_limit,
>               __get_str(type), __entry->freq, __entry->cdev_state,
>               __entry->power)
>  );
> +#endif /* CONFIG_DEVFREQ_THERMAL */
>  #endif /* _TRACE_THERMAL_H */
>  
>  /* This part must be outside protection */

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