1#undef TRACE_SYSTEM
2#define TRACE_SYSTEM snd_pcm
3#define TRACE_INCLUDE_FILE pcm_trace
4
5#if !defined(_PCM_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
6#define _PCM_TRACE_H
7
8#include <linux/tracepoint.h>
9
10TRACE_EVENT(hwptr,
11	TP_PROTO(struct snd_pcm_substream *substream, snd_pcm_uframes_t pos, bool irq),
12	TP_ARGS(substream, pos, irq),
13	TP_STRUCT__entry(
14		__field( bool, in_interrupt )
15		__field( unsigned int, card )
16		__field( unsigned int, device )
17		__field( unsigned int, number )
18		__field( unsigned int, stream )
19		__field( snd_pcm_uframes_t, pos )
20		__field( snd_pcm_uframes_t, period_size )
21		__field( snd_pcm_uframes_t, buffer_size )
22		__field( snd_pcm_uframes_t, old_hw_ptr )
23		__field( snd_pcm_uframes_t, hw_ptr_base )
24	),
25	TP_fast_assign(
26		__entry->in_interrupt = (irq);
27		__entry->card = (substream)->pcm->card->number;
28		__entry->device = (substream)->pcm->device;
29		__entry->number = (substream)->number;
30		__entry->stream = (substream)->stream;
31		__entry->pos = (pos);
32		__entry->period_size = (substream)->runtime->period_size;
33		__entry->buffer_size = (substream)->runtime->buffer_size;
34		__entry->old_hw_ptr = (substream)->runtime->status->hw_ptr;
35		__entry->hw_ptr_base = (substream)->runtime->hw_ptr_base;
36	),
37	TP_printk("pcmC%dD%d%c/sub%d: %s: pos=%lu, old=%lu, base=%lu, period=%lu, buf=%lu",
38		  __entry->card, __entry->device,
39		  __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? 'p' : 'c',
40		  __entry->number,
41		  __entry->in_interrupt ? "IRQ" : "POS",
42		  (unsigned long)__entry->pos,
43		  (unsigned long)__entry->old_hw_ptr,
44		  (unsigned long)__entry->hw_ptr_base,
45		  (unsigned long)__entry->period_size,
46		  (unsigned long)__entry->buffer_size)
47);
48
49TRACE_EVENT(xrun,
50	TP_PROTO(struct snd_pcm_substream *substream),
51	TP_ARGS(substream),
52	TP_STRUCT__entry(
53		__field( unsigned int, card )
54		__field( unsigned int, device )
55		__field( unsigned int, number )
56		__field( unsigned int, stream )
57		__field( snd_pcm_uframes_t, period_size )
58		__field( snd_pcm_uframes_t, buffer_size )
59		__field( snd_pcm_uframes_t, old_hw_ptr )
60		__field( snd_pcm_uframes_t, hw_ptr_base )
61	),
62	TP_fast_assign(
63		__entry->card = (substream)->pcm->card->number;
64		__entry->device = (substream)->pcm->device;
65		__entry->number = (substream)->number;
66		__entry->stream = (substream)->stream;
67		__entry->period_size = (substream)->runtime->period_size;
68		__entry->buffer_size = (substream)->runtime->buffer_size;
69		__entry->old_hw_ptr = (substream)->runtime->status->hw_ptr;
70		__entry->hw_ptr_base = (substream)->runtime->hw_ptr_base;
71	),
72	TP_printk("pcmC%dD%d%c/sub%d: XRUN: old=%lu, base=%lu, period=%lu, buf=%lu",
73		  __entry->card, __entry->device,
74		  __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? 'p' : 'c',
75		  __entry->number,
76		  (unsigned long)__entry->old_hw_ptr,
77		  (unsigned long)__entry->hw_ptr_base,
78		  (unsigned long)__entry->period_size,
79		  (unsigned long)__entry->buffer_size)
80);
81
82TRACE_EVENT(hw_ptr_error,
83	TP_PROTO(struct snd_pcm_substream *substream, const char *why),
84	TP_ARGS(substream, why),
85	TP_STRUCT__entry(
86		__field( unsigned int, card )
87		__field( unsigned int, device )
88		__field( unsigned int, number )
89		__field( unsigned int, stream )
90		__field( const char *, reason )
91	),
92	TP_fast_assign(
93		__entry->card = (substream)->pcm->card->number;
94		__entry->device = (substream)->pcm->device;
95		__entry->number = (substream)->number;
96		__entry->stream = (substream)->stream;
97		__entry->reason = (why);
98	),
99	TP_printk("pcmC%dD%d%c/sub%d: ERROR: %s",
100		  __entry->card, __entry->device,
101		  __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? 'p' : 'c',
102		  __entry->number, __entry->reason)
103);
104
105#endif /* _PCM_TRACE_H */
106
107/* This part must be outside protection */
108#undef TRACE_INCLUDE_PATH
109#define TRACE_INCLUDE_PATH .
110#include <trace/define_trace.h>
111