lkml.org 
[lkml]   [2017]   [Oct]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/2] tracing, thermal: Hide devfreq trace events when not in use
On Fri, Oct 13, 2017 at 10:21:50AM -0400, Steven Rostedt wrote:
> From: Steven Rostedt (VMware) <rostedt@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) <rostedt@goodmis.org>

Acked-by: Javi Merino <javi.merino@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 */

\
 
 \ /
  Last update: 2017-10-17 09:16    [W:0.417 / U:0.056 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site