150 lines
5.0 KiB
C
150 lines
5.0 KiB
C
/* 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, why);
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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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