From 1a8506d4402b6e96c2ed778dc7ccbb48d1e02fce Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 16 Oct 2012 15:10:08 +0200 Subject: ALSA: hda - Add tracepoints to HD-audio controller driver Add a couple of tracepoints to snd-hda-intel for tracing the position and the trigger timings. Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_intel_trace.h | 62 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 sound/pci/hda/hda_intel_trace.h (limited to 'sound/pci/hda/hda_intel_trace.h') diff --git a/sound/pci/hda/hda_intel_trace.h b/sound/pci/hda/hda_intel_trace.h new file mode 100644 index 0000000..7b5e4c2 --- /dev/null +++ b/sound/pci/hda/hda_intel_trace.h @@ -0,0 +1,62 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM hda_intel +#define TRACE_INCLUDE_FILE hda_intel_trace + +#if !defined(_TRACE_HDA_INTEL_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_HDA_INTEL_H + +#include + +struct azx; +struct azx_dev; + +TRACE_EVENT(azx_pcm_trigger, + + TP_PROTO(struct azx *chip, struct azx_dev *dev, int cmd), + + TP_ARGS(chip, dev, cmd), + + TP_STRUCT__entry( + __field( int, card ) + __field( int, idx ) + __field( int, cmd ) + ), + + TP_fast_assign( + __entry->card = (chip)->card->number; + __entry->idx = (dev)->index; + __entry->cmd = cmd; + ), + + TP_printk("[%d:%d] cmd=%d", __entry->card, __entry->idx, __entry->cmd) +); + +TRACE_EVENT(azx_get_position, + + TP_PROTO(struct azx *chip, struct azx_dev *dev, unsigned int pos, unsigned int delay), + + TP_ARGS(chip, dev, pos, delay), + + TP_STRUCT__entry( + __field( int, card ) + __field( int, idx ) + __field( unsigned int, pos ) + __field( unsigned int, delay ) + ), + + TP_fast_assign( + __entry->card = (chip)->card->number; + __entry->idx = (dev)->index; + __entry->pos = pos; + __entry->delay = delay; + ), + + TP_printk("[%d:%d] pos=%u, delay=%u", __entry->card, __entry->idx, __entry->pos, __entry->delay) +); + +#endif /* _TRACE_HDA_INTEL_H */ + +/* This part must be outside protection */ +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#include -- cgit v1.1