1#undef TRACE_SYSTEM
  2#define TRACE_SYSTEM snd_pcm
  3#define TRACE_INCLUDE_FILE pcm_trace
  4
  5#if !defined(_PCM_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
  6#define _PCM_TRACE_H
  7
  8#include <linux/tracepoint.h>
  9
 10TRACE_EVENT(hwptr,
 11	TP_PROTO(struct snd_pcm_substream *substream, snd_pcm_uframes_t pos, bool irq),
 12	TP_ARGS(substream, pos, irq),
 13	TP_STRUCT__entry(
 14		__field( bool, in_interrupt )
 15		__field( unsigned int, card )
 16		__field( unsigned int, device )
 17		__field( unsigned int, number )
 18		__field( unsigned int, stream )
 19		__field( snd_pcm_uframes_t, pos )
 20		__field( snd_pcm_uframes_t, period_size )
 21		__field( snd_pcm_uframes_t, buffer_size )
 22		__field( snd_pcm_uframes_t, old_hw_ptr )
 23		__field( snd_pcm_uframes_t, hw_ptr_base )
 24	),
 25	TP_fast_assign(
 26		__entry->in_interrupt = (irq);
 27		__entry->card = (substream)->pcm->card->number;
 28		__entry->device = (substream)->pcm->device;
 29		__entry->number = (substream)->number;
 30		__entry->stream = (substream)->stream;
 31		__entry->pos = (pos);
 32		__entry->period_size = (substream)->runtime->period_size;
 33		__entry->buffer_size = (substream)->runtime->buffer_size;
 34		__entry->old_hw_ptr = (substream)->runtime->status->hw_ptr;
 35		__entry->hw_ptr_base = (substream)->runtime->hw_ptr_base;
 36	),
 37	TP_printk("pcmC%dD%d%c/sub%d: %s: pos=%lu, old=%lu, base=%lu, period=%lu, buf=%lu",
 38		  __entry->card, __entry->device,
 39		  __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? 'p' : 'c',
 40		  __entry->number,
 41		  __entry->in_interrupt ? "IRQ" : "POS",
 42		  (unsigned long)__entry->pos,
 43		  (unsigned long)__entry->old_hw_ptr,
 44		  (unsigned long)__entry->hw_ptr_base,
 45		  (unsigned long)__entry->period_size,
 46		  (unsigned long)__entry->buffer_size)
 47);
 48
 49TRACE_EVENT(xrun,
 50	TP_PROTO(struct snd_pcm_substream *substream),
 51	TP_ARGS(substream),
 52	TP_STRUCT__entry(
 53		__field( unsigned int, card )
 54		__field( unsigned int, device )
 55		__field( unsigned int, number )
 56		__field( unsigned int, stream )
 57		__field( snd_pcm_uframes_t, period_size )
 58		__field( snd_pcm_uframes_t, buffer_size )
 59		__field( snd_pcm_uframes_t, old_hw_ptr )
 60		__field( snd_pcm_uframes_t, hw_ptr_base )
 61	),
 62	TP_fast_assign(
 63		__entry->card = (substream)->pcm->card->number;
 64		__entry->device = (substream)->pcm->device;
 65		__entry->number = (substream)->number;
 66		__entry->stream = (substream)->stream;
 67		__entry->period_size = (substream)->runtime->period_size;
 68		__entry->buffer_size = (substream)->runtime->buffer_size;
 69		__entry->old_hw_ptr = (substream)->runtime->status->hw_ptr;
 70		__entry->hw_ptr_base = (substream)->runtime->hw_ptr_base;
 71	),
 72	TP_printk("pcmC%dD%d%c/sub%d: XRUN: old=%lu, base=%lu, period=%lu, buf=%lu",
 73		  __entry->card, __entry->device,
 74		  __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? 'p' : 'c',
 75		  __entry->number,
 76		  (unsigned long)__entry->old_hw_ptr,
 77		  (unsigned long)__entry->hw_ptr_base,
 78		  (unsigned long)__entry->period_size,
 79		  (unsigned long)__entry->buffer_size)
 80);
 81
 82TRACE_EVENT(hw_ptr_error,
 83	TP_PROTO(struct snd_pcm_substream *substream, const char *why),
 84	TP_ARGS(substream, why),
 85	TP_STRUCT__entry(
 86		__field( unsigned int, card )
 87		__field( unsigned int, device )
 88		__field( unsigned int, number )
 89		__field( unsigned int, stream )
 90		__field( const char *, reason )
 91	),
 92	TP_fast_assign(
 93		__entry->card = (substream)->pcm->card->number;
 94		__entry->device = (substream)->pcm->device;
 95		__entry->number = (substream)->number;
 96		__entry->stream = (substream)->stream;
 97		__entry->reason = (why);
 98	),
 99	TP_printk("pcmC%dD%d%c/sub%d: ERROR: %s",
100		  __entry->card, __entry->device,
101		  __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? 'p' : 'c',
102		  __entry->number, __entry->reason)
103);
104
105#endif /* _PCM_TRACE_H */
106
107/* This part must be outside protection */
108#undef TRACE_INCLUDE_PATH
109#define TRACE_INCLUDE_PATH .
110#include <trace/define_trace.h>