From a8b1d34f3ee1bc139ac5fbe3f84f6d16c90136bb Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 3 Nov 2010 18:05:58 -0400 Subject: ASoC: Add trace events for ASoC register read/write The trace subsystem provides a convenient way of instrumenting the kernel which can be left on all the time with extremely low impact on the system unlike prints to the kernel log which can be very spammy. Begin adding support for instrumenting ASoC via this interface by adding trace for the register access primitives. Signed-off-by: Mark Brown Acked-by: Liam Girdwood --- include/trace/events/asoc.h | 64 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 include/trace/events/asoc.h (limited to 'include/trace') diff --git a/include/trace/events/asoc.h b/include/trace/events/asoc.h new file mode 100644 index 000000000000..93c3371daaca --- /dev/null +++ b/include/trace/events/asoc.h @@ -0,0 +1,64 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM asoc + +#if !defined(_TRACE_ASOC_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_ASOC_H + +#include +#include + +struct snd_soc_codec; + +/* + * Log register events + */ +DECLARE_EVENT_CLASS(snd_soc_reg, + + TP_PROTO(struct snd_soc_codec *codec, unsigned int reg, + unsigned int val), + + TP_ARGS(codec, reg, val), + + TP_STRUCT__entry( + __string( name, codec->name ) + __field( int, id ) + __field( unsigned int, reg ) + __field( unsigned int, val ) + ), + + TP_fast_assign( + __assign_str(name, codec->name); + __entry->id = codec->id; + __entry->reg = reg; + __entry->val = val; + ), + + TP_printk("codec=%s.%d reg=%x val=%x", __get_str(name), + (int)__entry->id, (unsigned int)__entry->reg, + (unsigned int)__entry->val) +); + +DEFINE_EVENT(snd_soc_reg, snd_soc_reg_write, + + TP_PROTO(struct snd_soc_codec *codec, unsigned int reg, + unsigned int val), + + TP_ARGS(codec, reg, val) + +); + +DEFINE_EVENT(snd_soc_reg, snd_soc_reg_read, + + TP_PROTO(struct snd_soc_codec *codec, unsigned int reg, + unsigned int val), + + TP_ARGS(codec, reg, val) + +); + + + +#endif /* _TRACE_ASOC_H */ + +/* This part must be outside protection */ +#include -- cgit v1.2.3 From 84e909303dbd3c8d882f152c17d1319f2873e147 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 4 Nov 2010 00:07:02 -0400 Subject: ASoC: Add DAPM trace events Trace events for DAPM allow us to monitor the performance and behaviour of DAPM with logging which can be built into the kernel permanantly, is more suited to automated analysis and display and less likely to suffer interference from other logging activity. Currently trace events are generated for: - Start and stop of DAPM processing - Start and stop of bias level changes - Power decisions for widgets - Widget event execution start and stop giving some view as to what is happening and where latencies occur. Actual changes in widget power can be seen via the register write trace in soc-core. Signed-off-by: Mark Brown Acked-by: Liam Girdwood --- include/trace/events/asoc.h | 112 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) (limited to 'include/trace') diff --git a/include/trace/events/asoc.h b/include/trace/events/asoc.h index 93c3371daaca..9978856d5897 100644 --- a/include/trace/events/asoc.h +++ b/include/trace/events/asoc.h @@ -8,6 +8,8 @@ #include struct snd_soc_codec; +struct snd_soc_card; +struct snd_soc_dapm_widget; /* * Log register events @@ -56,7 +58,117 @@ DEFINE_EVENT(snd_soc_reg, snd_soc_reg_read, ); +DECLARE_EVENT_CLASS(snd_soc_card, + TP_PROTO(struct snd_soc_card *card, int val), + + TP_ARGS(card, val), + + TP_STRUCT__entry( + __string( name, card->name ) + __field( int, val ) + ), + + TP_fast_assign( + __assign_str(name, card->name); + __entry->val = val; + ), + + TP_printk("card=%s val=%d", __get_str(name), (int)__entry->val) +); + +DEFINE_EVENT(snd_soc_card, snd_soc_bias_level_start, + + TP_PROTO(struct snd_soc_card *card, int val), + + TP_ARGS(card, val) + +); + +DEFINE_EVENT(snd_soc_card, snd_soc_bias_level_done, + + TP_PROTO(struct snd_soc_card *card, int val), + + TP_ARGS(card, val) + +); + +DECLARE_EVENT_CLASS(snd_soc_dapm_basic, + + TP_PROTO(struct snd_soc_card *card), + + TP_ARGS(card), + + TP_STRUCT__entry( + __string( name, card->name ) + ), + + TP_fast_assign( + __assign_str(name, card->name); + ), + + TP_printk("card=%s", __get_str(name)) +); + +DEFINE_EVENT(snd_soc_dapm_basic, snd_soc_dapm_start, + + TP_PROTO(struct snd_soc_card *card), + + TP_ARGS(card) + +); + +DEFINE_EVENT(snd_soc_dapm_basic, snd_soc_dapm_done, + + TP_PROTO(struct snd_soc_card *card), + + TP_ARGS(card) + +); + +DECLARE_EVENT_CLASS(snd_soc_dapm_widget, + + TP_PROTO(struct snd_soc_dapm_widget *w, int val), + + TP_ARGS(w, val), + + TP_STRUCT__entry( + __string( name, w->name ) + __field( int, val ) + ), + + TP_fast_assign( + __assign_str(name, w->name); + __entry->val = val; + ), + + TP_printk("widget=%s val=%d", __get_str(name), + (int)__entry->val) +); + +DEFINE_EVENT(snd_soc_dapm_widget, snd_soc_dapm_widget_power, + + TP_PROTO(struct snd_soc_dapm_widget *w, int val), + + TP_ARGS(w, val) + +); + +DEFINE_EVENT(snd_soc_dapm_widget, snd_soc_dapm_widget_event_start, + + TP_PROTO(struct snd_soc_dapm_widget *w, int val), + + TP_ARGS(w, val) + +); + +DEFINE_EVENT(snd_soc_dapm_widget, snd_soc_dapm_widget_event_done, + + TP_PROTO(struct snd_soc_dapm_widget *w, int val), + + TP_ARGS(w, val) + +); #endif /* _TRACE_ASOC_H */ -- cgit v1.2.3 From 3028eb8c51d968b9e7b44a9786a4e521e37afb13 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sun, 5 Dec 2010 12:22:46 +0000 Subject: ASoC: Add trace events for jack detection As jack detection can trigger DAPM and the latency in debouncing can create confusing windows in operation provide some trace events which will hopefully help in diagnostics. The soc-jack core traces all reports that it gets and the resulting notifications to upper layers. An event for jack IRQs is also provided for instrumentation of debounce, and used in the GPIO jack code. Signed-off-by: Mark Brown Acked-by: Liam Girdwood --- include/trace/events/asoc.h | 59 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) (limited to 'include/trace') diff --git a/include/trace/events/asoc.h b/include/trace/events/asoc.h index 9978856d5897..186e84db4b54 100644 --- a/include/trace/events/asoc.h +++ b/include/trace/events/asoc.h @@ -7,6 +7,7 @@ #include #include +struct snd_soc_jack; struct snd_soc_codec; struct snd_soc_card; struct snd_soc_dapm_widget; @@ -170,6 +171,64 @@ DEFINE_EVENT(snd_soc_dapm_widget, snd_soc_dapm_widget_event_done, ); +TRACE_EVENT(snd_soc_jack_irq, + + TP_PROTO(const char *name), + + TP_ARGS(name), + + TP_STRUCT__entry( + __string( name, name ) + ), + + TP_fast_assign( + __assign_str(name, name); + ), + + TP_printk("%s", __get_str(name)) +); + +TRACE_EVENT(snd_soc_jack_report, + + TP_PROTO(struct snd_soc_jack *jack, int mask, int val), + + TP_ARGS(jack, mask, val), + + TP_STRUCT__entry( + __string( name, jack->jack->name ) + __field( int, mask ) + __field( int, val ) + ), + + TP_fast_assign( + __assign_str(name, jack->jack->name); + __entry->mask = mask; + __entry->val = val; + ), + + TP_printk("jack=%s %x/%x", __get_str(name), (int)__entry->val, + (int)__entry->mask) +); + +TRACE_EVENT(snd_soc_jack_notify, + + TP_PROTO(struct snd_soc_jack *jack, int val), + + TP_ARGS(jack, val), + + TP_STRUCT__entry( + __string( name, jack->jack->name ) + __field( int, val ) + ), + + TP_fast_assign( + __assign_str(name, jack->jack->name); + __entry->val = val; + ), + + TP_printk("jack=%s %x", __get_str(name), (int)__entry->val) +); + #endif /* _TRACE_ASOC_H */ /* This part must be outside protection */ -- cgit v1.2.3