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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/sound/core/pcm_trace.h
26378 views
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/* SPDX-License-Identifier: GPL-2.0 */

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#undef TRACE_SYSTEM

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#define TRACE_SYSTEM snd_pcm

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#define TRACE_INCLUDE_FILE pcm_trace

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#if !defined(_PCM_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)

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#define _PCM_TRACE_H

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#include <linux/tracepoint.h>

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TRACE_EVENT(hwptr,

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	TP_PROTO(struct snd_pcm_substream *substream, snd_pcm_uframes_t pos, bool irq),

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	TP_ARGS(substream, pos, irq),

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	TP_STRUCT__entry(

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		__field( bool, in_interrupt )

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		__field( unsigned int, card )

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		__field( unsigned int, device )

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		__field( unsigned int, number )

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		__field( unsigned int, stream )

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		__field( snd_pcm_uframes_t, pos )

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		__field( snd_pcm_uframes_t, period_size )

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		__field( snd_pcm_uframes_t, buffer_size )

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		__field( snd_pcm_uframes_t, old_hw_ptr )

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		__field( snd_pcm_uframes_t, hw_ptr_base )

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	),

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	TP_fast_assign(

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		__entry->in_interrupt = (irq);

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		__entry->card = (substream)->pcm->card->number;

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		__entry->device = (substream)->pcm->device;

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		__entry->number = (substream)->number;

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		__entry->stream = (substream)->stream;

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		__entry->pos = (pos);

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		__entry->period_size = (substream)->runtime->period_size;

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		__entry->buffer_size = (substream)->runtime->buffer_size;

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		__entry->old_hw_ptr = (substream)->runtime->status->hw_ptr;

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		__entry->hw_ptr_base = (substream)->runtime->hw_ptr_base;

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	),

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	TP_printk("pcmC%dD%d%s/sub%d: %s: pos=%lu, old=%lu, base=%lu, period=%lu, buf=%lu",

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		  __entry->card, __entry->device,

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		  __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? "p" : "c",

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		  __entry->number,

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		  __entry->in_interrupt ? "IRQ" : "POS",

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		  (unsigned long)__entry->pos,

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		  (unsigned long)__entry->old_hw_ptr,

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		  (unsigned long)__entry->hw_ptr_base,

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		  (unsigned long)__entry->period_size,

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		  (unsigned long)__entry->buffer_size)

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);

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TRACE_EVENT(xrun,

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	TP_PROTO(struct snd_pcm_substream *substream),

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	TP_ARGS(substream),

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	TP_STRUCT__entry(

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		__field( unsigned int, card )

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		__field( unsigned int, device )

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		__field( unsigned int, number )

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		__field( unsigned int, stream )

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		__field( snd_pcm_uframes_t, period_size )

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		__field( snd_pcm_uframes_t, buffer_size )

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		__field( snd_pcm_uframes_t, old_hw_ptr )

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		__field( snd_pcm_uframes_t, hw_ptr_base )

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	),

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	TP_fast_assign(

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		__entry->card = (substream)->pcm->card->number;

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		__entry->device = (substream)->pcm->device;

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		__entry->number = (substream)->number;

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		__entry->stream = (substream)->stream;

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		__entry->period_size = (substream)->runtime->period_size;

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		__entry->buffer_size = (substream)->runtime->buffer_size;

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		__entry->old_hw_ptr = (substream)->runtime->status->hw_ptr;

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		__entry->hw_ptr_base = (substream)->runtime->hw_ptr_base;

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	),

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	TP_printk("pcmC%dD%d%s/sub%d: XRUN: old=%lu, base=%lu, period=%lu, buf=%lu",

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		  __entry->card, __entry->device,

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		  __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? "p" : "c",

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		  __entry->number,

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		  (unsigned long)__entry->old_hw_ptr,

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		  (unsigned long)__entry->hw_ptr_base,

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		  (unsigned long)__entry->period_size,

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		  (unsigned long)__entry->buffer_size)

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);

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TRACE_EVENT(hw_ptr_error,

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	TP_PROTO(struct snd_pcm_substream *substream, const char *why),

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	TP_ARGS(substream, why),

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	TP_STRUCT__entry(

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		__field( unsigned int, card )

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		__field( unsigned int, device )

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		__field( unsigned int, number )

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		__field( unsigned int, stream )

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		__string( reason, why )

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	),

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	TP_fast_assign(

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		__entry->card = (substream)->pcm->card->number;

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		__entry->device = (substream)->pcm->device;

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		__entry->number = (substream)->number;

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		__entry->stream = (substream)->stream;

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		__assign_str(reason);

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	),

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	TP_printk("pcmC%dD%d%s/sub%d: ERROR: %s",

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		  __entry->card, __entry->device,

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		  __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? "p" : "c",

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		  __entry->number, __get_str(reason))

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);

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TRACE_EVENT(applptr,

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	TP_PROTO(struct snd_pcm_substream *substream, snd_pcm_uframes_t prev, snd_pcm_uframes_t curr),

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	TP_ARGS(substream, prev, curr),

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	TP_STRUCT__entry(

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		__field( unsigned int, card )

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		__field( unsigned int, device )

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		__field( unsigned int, number )

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		__field( unsigned int, stream )

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		__field( snd_pcm_uframes_t, prev )

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		__field( snd_pcm_uframes_t, curr )

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		__field( snd_pcm_uframes_t, avail )

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		__field( snd_pcm_uframes_t, period_size )

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		__field( snd_pcm_uframes_t, buffer_size )

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	),

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	TP_fast_assign(

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		__entry->card = (substream)->pcm->card->number;

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		__entry->device = (substream)->pcm->device;

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		__entry->number = (substream)->number;

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		__entry->stream = (substream)->stream;

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		__entry->prev = (prev);

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		__entry->curr = (curr);

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		__entry->avail = (substream)->stream ? snd_pcm_capture_avail(substream->runtime) : snd_pcm_playback_avail(substream->runtime);

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		__entry->period_size = (substream)->runtime->period_size;

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		__entry->buffer_size = (substream)->runtime->buffer_size;

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	),

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	TP_printk("pcmC%dD%d%s/sub%d: prev=%lu, curr=%lu, avail=%lu, period=%lu, buf=%lu",

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		__entry->card,

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		__entry->device,

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		__entry->stream ? "c" : "p",

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		__entry->number,

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		__entry->prev,

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		__entry->curr,

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		__entry->avail,

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		__entry->period_size,

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		__entry->buffer_size

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	)

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);

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#endif /* _PCM_TRACE_H */

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/* This part must be outside protection */

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#undef TRACE_INCLUDE_PATH

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#define TRACE_INCLUDE_PATH .

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#include <trace/define_trace.h>

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