sound/core/pcm_trace.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #undef TRACE_SYSTEM
0003 #define TRACE_SYSTEM snd_pcm
0004 #define TRACE_INCLUDE_FILE pcm_trace
0005
0006 #if !defined(_PCM_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
0007 #define _PCM_TRACE_H
0008
0009 #include <linux/tracepoint.h>
0010
0011 TRACE_EVENT(hwptr,
0012     TP_PROTO(struct snd_pcm_substream *substream, snd_pcm_uframes_t pos, bool irq),
0013     TP_ARGS(substream, pos, irq),
0014     TP_STRUCT__entry(
0015         __field( bool, in_interrupt )
0016         __field( unsigned int, card )
0017         __field( unsigned int, device )
0018         __field( unsigned int, number )
0019         __field( unsigned int, stream )
0020         __field( snd_pcm_uframes_t, pos )
0021         __field( snd_pcm_uframes_t, period_size )
0022         __field( snd_pcm_uframes_t, buffer_size )
0023         __field( snd_pcm_uframes_t, old_hw_ptr )
0024         __field( snd_pcm_uframes_t, hw_ptr_base )
0025     ),
0026     TP_fast_assign(
0027         __entry->in_interrupt = (irq);
0028         __entry->card = (substream)->pcm->card->number;
0029         __entry->device = (substream)->pcm->device;
0030         __entry->number = (substream)->number;
0031         __entry->stream = (substream)->stream;
0032         __entry->pos = (pos);
0033         __entry->period_size = (substream)->runtime->period_size;
0034         __entry->buffer_size = (substream)->runtime->buffer_size;
0035         __entry->old_hw_ptr = (substream)->runtime->status->hw_ptr;
0036         __entry->hw_ptr_base = (substream)->runtime->hw_ptr_base;
0037     ),
0038     TP_printk("pcmC%dD%d%s/sub%d: %s: pos=%lu, old=%lu, base=%lu, period=%lu, buf=%lu",
0039           __entry->card, __entry->device,
0040           __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? "p" : "c",
0041           __entry->number,
0042           __entry->in_interrupt ? "IRQ" : "POS",
0043           (unsigned long)__entry->pos,
0044           (unsigned long)__entry->old_hw_ptr,
0045           (unsigned long)__entry->hw_ptr_base,
0046           (unsigned long)__entry->period_size,
0047           (unsigned long)__entry->buffer_size)
0048 );
0049
0050 TRACE_EVENT(xrun,
0051     TP_PROTO(struct snd_pcm_substream *substream),
0052     TP_ARGS(substream),
0053     TP_STRUCT__entry(
0054         __field( unsigned int, card )
0055         __field( unsigned int, device )
0056         __field( unsigned int, number )
0057         __field( unsigned int, stream )
0058         __field( snd_pcm_uframes_t, period_size )
0059         __field( snd_pcm_uframes_t, buffer_size )
0060         __field( snd_pcm_uframes_t, old_hw_ptr )
0061         __field( snd_pcm_uframes_t, hw_ptr_base )
0062     ),
0063     TP_fast_assign(
0064         __entry->card = (substream)->pcm->card->number;
0065         __entry->device = (substream)->pcm->device;
0066         __entry->number = (substream)->number;
0067         __entry->stream = (substream)->stream;
0068         __entry->period_size = (substream)->runtime->period_size;
0069         __entry->buffer_size = (substream)->runtime->buffer_size;
0070         __entry->old_hw_ptr = (substream)->runtime->status->hw_ptr;
0071         __entry->hw_ptr_base = (substream)->runtime->hw_ptr_base;
0072     ),
0073     TP_printk("pcmC%dD%d%s/sub%d: XRUN: old=%lu, base=%lu, period=%lu, buf=%lu",
0074           __entry->card, __entry->device,
0075           __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? "p" : "c",
0076           __entry->number,
0077           (unsigned long)__entry->old_hw_ptr,
0078           (unsigned long)__entry->hw_ptr_base,
0079           (unsigned long)__entry->period_size,
0080           (unsigned long)__entry->buffer_size)
0081 );
0082
0083 TRACE_EVENT(hw_ptr_error,
0084     TP_PROTO(struct snd_pcm_substream *substream, const char *why),
0085     TP_ARGS(substream, why),
0086     TP_STRUCT__entry(
0087         __field( unsigned int, card )
0088         __field( unsigned int, device )
0089         __field( unsigned int, number )
0090         __field( unsigned int, stream )
0091         __field( const char *, reason )
0092     ),
0093     TP_fast_assign(
0094         __entry->card = (substream)->pcm->card->number;
0095         __entry->device = (substream)->pcm->device;
0096         __entry->number = (substream)->number;
0097         __entry->stream = (substream)->stream;
0098         __entry->reason = (why);
0099     ),
0100     TP_printk("pcmC%dD%d%s/sub%d: ERROR: %s",
0101           __entry->card, __entry->device,
0102           __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? "p" : "c",
0103           __entry->number, __entry->reason)
0104 );
0105
0106 TRACE_EVENT(applptr,
0107     TP_PROTO(struct snd_pcm_substream *substream, snd_pcm_uframes_t prev, snd_pcm_uframes_t curr),
0108     TP_ARGS(substream, prev, curr),
0109     TP_STRUCT__entry(
0110         __field( unsigned int, card )
0111         __field( unsigned int, device )
0112         __field( unsigned int, number )
0113         __field( unsigned int, stream )
0114         __field( snd_pcm_uframes_t, prev )
0115         __field( snd_pcm_uframes_t, curr )
0116         __field( snd_pcm_uframes_t, avail )
0117         __field( snd_pcm_uframes_t, period_size )
0118         __field( snd_pcm_uframes_t, buffer_size )
0119     ),
0120     TP_fast_assign(
0121         __entry->card = (substream)->pcm->card->number;
0122         __entry->device = (substream)->pcm->device;
0123         __entry->number = (substream)->number;
0124         __entry->stream = (substream)->stream;
0125         __entry->prev = (prev);
0126         __entry->curr = (curr);
0127         __entry->avail = (substream)->stream ? snd_pcm_capture_avail(substream->runtime) : snd_pcm_playback_avail(substream->runtime);
0128         __entry->period_size = (substream)->runtime->period_size;
0129         __entry->buffer_size = (substream)->runtime->buffer_size;
0130     ),
0131     TP_printk("pcmC%dD%d%s/sub%d: prev=%lu, curr=%lu, avail=%lu, period=%lu, buf=%lu",
0132         __entry->card,
0133         __entry->device,
0134         __entry->stream ? "c" : "p",
0135         __entry->number,
0136         __entry->prev,
0137         __entry->curr,
0138         __entry->avail,
0139         __entry->period_size,
0140         __entry->buffer_size
0141     )
0142 );
0143
0144 #endif /* _PCM_TRACE_H */
0145
0146 /* This part must be outside protection */
0147 #undef TRACE_INCLUDE_PATH
0148 #define TRACE_INCLUDE_PATH .
0149 #include <trace/define_trace.h>