kernel-ark/sound/pci/hda/hda_intel_trace.h
Takashi Iwai 1a8506d440 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 <tiwai@suse.de>
2012-10-30 10:39:59 +01:00

63 lines
1.3 KiB
C

#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 <linux/tracepoint.h>
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 <trace/define_trace.h>