kernel/sound/core/pcm_trace.h

   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
  10 TRACE_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
  49 TRACE_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
  82 TRACE_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>