diff options
Diffstat (limited to 'sound/core/pcm_trace.h')
| -rw-r--r-- | sound/core/pcm_trace.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/sound/core/pcm_trace.h b/sound/core/pcm_trace.h new file mode 100644 index 000000000000..b63b654da5ff --- /dev/null +++ b/sound/core/pcm_trace.h @@ -0,0 +1,110 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM snd_pcm +#define TRACE_INCLUDE_FILE pcm_trace + +#if !defined(_PCM_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define _PCM_TRACE_H + +#include <linux/tracepoint.h> + +TRACE_EVENT(hwptr, + TP_PROTO(struct snd_pcm_substream *substream, snd_pcm_uframes_t pos, bool irq), + TP_ARGS(substream, pos, irq), + TP_STRUCT__entry( + __field( bool, in_interrupt ) + __field( unsigned int, card ) + __field( unsigned int, device ) + __field( unsigned int, number ) + __field( unsigned int, stream ) + __field( snd_pcm_uframes_t, pos ) + __field( snd_pcm_uframes_t, period_size ) + __field( snd_pcm_uframes_t, buffer_size ) + __field( snd_pcm_uframes_t, old_hw_ptr ) + __field( snd_pcm_uframes_t, hw_ptr_base ) + ), + TP_fast_assign( + __entry->in_interrupt = (irq); + __entry->card = (substream)->pcm->card->number; + __entry->device = (substream)->pcm->device; + __entry->number = (substream)->number; + __entry->stream = (substream)->stream; + __entry->pos = (pos); + __entry->period_size = (substream)->runtime->period_size; + __entry->buffer_size = (substream)->runtime->buffer_size; + __entry->old_hw_ptr = (substream)->runtime->status->hw_ptr; + __entry->hw_ptr_base = (substream)->runtime->hw_ptr_base; + ), + TP_printk("pcmC%dD%d%c/sub%d: %s: pos=%lu, old=%lu, base=%lu, period=%lu, buf=%lu", + __entry->card, __entry->device, + __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? 'p' : 'c', + __entry->number, + __entry->in_interrupt ? "IRQ" : "POS", + (unsigned long)__entry->pos, + (unsigned long)__entry->old_hw_ptr, + (unsigned long)__entry->hw_ptr_base, + (unsigned long)__entry->period_size, + (unsigned long)__entry->buffer_size) +); + +TRACE_EVENT(xrun, + TP_PROTO(struct snd_pcm_substream *substream), + TP_ARGS(substream), + TP_STRUCT__entry( + __field( unsigned int, card ) + __field( unsigned int, device ) + __field( unsigned int, number ) + __field( unsigned int, stream ) + __field( snd_pcm_uframes_t, period_size ) + __field( snd_pcm_uframes_t, buffer_size ) + __field( snd_pcm_uframes_t, old_hw_ptr ) + __field( snd_pcm_uframes_t, hw_ptr_base ) + ), + TP_fast_assign( + __entry->card = (substream)->pcm->card->number; + __entry->device = (substream)->pcm->device; + __entry->number = (substream)->number; + __entry->stream = (substream)->stream; + __entry->period_size = (substream)->runtime->period_size; + __entry->buffer_size = (substream)->runtime->buffer_size; + __entry->old_hw_ptr = (substream)->runtime->status->hw_ptr; + __entry->hw_ptr_base = (substream)->runtime->hw_ptr_base; + ), + TP_printk("pcmC%dD%d%c/sub%d: XRUN: old=%lu, base=%lu, period=%lu, buf=%lu", + __entry->card, __entry->device, + __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? 'p' : 'c', + __entry->number, + (unsigned long)__entry->old_hw_ptr, + (unsigned long)__entry->hw_ptr_base, + (unsigned long)__entry->period_size, + (unsigned long)__entry->buffer_size) +); + +TRACE_EVENT(hw_ptr_error, + TP_PROTO(struct snd_pcm_substream *substream, const char *why), + TP_ARGS(substream, why), + TP_STRUCT__entry( + __field( unsigned int, card ) + __field( unsigned int, device ) + __field( unsigned int, number ) + __field( unsigned int, stream ) + __field( const char *, reason ) + ), + TP_fast_assign( + __entry->card = (substream)->pcm->card->number; + __entry->device = (substream)->pcm->device; + __entry->number = (substream)->number; + __entry->stream = (substream)->stream; + __entry->reason = (why); + ), + TP_printk("pcmC%dD%d%c/sub%d: ERROR: %s", + __entry->card, __entry->device, + __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? 'p' : 'c', + __entry->number, __entry->reason) +); + +#endif /* _PCM_TRACE_H */ + +/* This part must be outside protection */ +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#include <trace/define_trace.h> |