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Commit e56235e0 authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: Add another DAPM stat for neighbour checks 



The number of times we look at a potentially connected neighbour is just
as important as the number of times we actually recurse into looking at
that neighbour so also collect that statistic.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 7aefb086

include/sound/soc-dapm.h

+1 −0
Original line number Diff line number Diff line
@@ -540,6 +540,7 @@ struct snd_soc_dapm_widget_list { 
struct snd_soc_dapm_stats {

	int power_checks;

	int path_checks;

	int neighbour_checks;

};



#endif

include/trace/events/asoc.h

+5 −2
Original line number Diff line number Diff line
@@ -226,16 +226,19 @@ TRACE_EVENT(snd_soc_dapm_walk_done, 
		__string(	name,	card->name		)

		__field(	int,	power_checks		)

		__field(	int,	path_checks		)

		__field(	int,	neighbour_checks	)

	),



	TP_fast_assign(

		__assign_str(name, card->name);

		__entry->power_checks = card->dapm_stats.power_checks;

		__entry->path_checks = card->dapm_stats.path_checks;

		__entry->neighbour_checks = card->dapm_stats.neighbour_checks;

	),



	TP_printk("%s: %d power checks, %d path checks", __get_str(name),

		  (int)__entry->power_checks, (int)__entry->path_checks)

	TP_printk("%s: checks %d power, %d path, %d neighbour",

		  __get_str(name), (int)__entry->power_checks,

		  (int)__entry->path_checks, (int)__entry->neighbour_checks)

);



TRACE_EVENT(snd_soc_jack_irq,

sound/soc/soc-dapm.c

+4 −0
Original line number Diff line number Diff line
@@ -677,6 +677,8 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget) 
	}



	list_for_each_entry(path, &widget->sinks, list_source) {

		DAPM_UPDATE_STAT(widget, neighbour_checks);



		if (path->weak)

			continue;
@@ -732,6 +734,8 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget) 
	}



	list_for_each_entry(path, &widget->sources, list_sink) {

		DAPM_UPDATE_STAT(widget, neighbour_checks);



		if (path->weak)

			continue;