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-rw-r--r--sound/core/pcm_trace.h149
1 files changed, 149 insertions, 0 deletions
diff --git a/sound/core/pcm_trace.h b/sound/core/pcm_trace.h
new file mode 100644
index 000000000..f18da2050
--- /dev/null
+++ b/sound/core/pcm_trace.h
@@ -0,0 +1,149 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#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%s/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%s/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%s/sub%d: ERROR: %s",
+ __entry->card, __entry->device,
+ __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? "p" : "c",
+ __entry->number, __entry->reason)
+);
+
+TRACE_EVENT(applptr,
+ TP_PROTO(struct snd_pcm_substream *substream, snd_pcm_uframes_t prev, snd_pcm_uframes_t curr),
+ TP_ARGS(substream, prev, curr),
+ TP_STRUCT__entry(
+ __field( unsigned int, card )
+ __field( unsigned int, device )
+ __field( unsigned int, number )
+ __field( unsigned int, stream )
+ __field( snd_pcm_uframes_t, prev )
+ __field( snd_pcm_uframes_t, curr )
+ __field( snd_pcm_uframes_t, avail )
+ __field( snd_pcm_uframes_t, period_size )
+ __field( snd_pcm_uframes_t, buffer_size )
+ ),
+ TP_fast_assign(
+ __entry->card = (substream)->pcm->card->number;
+ __entry->device = (substream)->pcm->device;
+ __entry->number = (substream)->number;
+ __entry->stream = (substream)->stream;
+ __entry->prev = (prev);
+ __entry->curr = (curr);
+ __entry->avail = (substream)->stream ? snd_pcm_capture_avail(substream->runtime) : snd_pcm_playback_avail(substream->runtime);
+ __entry->period_size = (substream)->runtime->period_size;
+ __entry->buffer_size = (substream)->runtime->buffer_size;
+ ),
+ TP_printk("pcmC%dD%d%s/sub%d: prev=%lu, curr=%lu, avail=%lu, period=%lu, buf=%lu",
+ __entry->card,
+ __entry->device,
+ __entry->stream ? "c" : "p",
+ __entry->number,
+ __entry->prev,
+ __entry->curr,
+ __entry->avail,
+ __entry->period_size,
+ __entry->buffer_size
+ )
+);
+
+#endif /* _PCM_TRACE_H */
+
+/* This part must be outside protection */
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#include <trace/define_trace.h>