1 /* SPDX-License-Identifier: GPL-2.0 */
2 #undef TRACE_SYSTEM
3 #define TRACE_SYSTEM snd_pcm
4 #define TRACE_INCLUDE_FILE pcm_trace
5 
6 #if !defined(_PCM_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
7 #define _PCM_TRACE_H
8 
9 #include <linux/tracepoint.h>
10 
11 TRACE_EVENT(hwptr,
12 	TP_PROTO(struct snd_pcm_substream *substream, snd_pcm_uframes_t pos, bool irq),
13 	TP_ARGS(substream, pos, irq),
14 	TP_STRUCT__entry(
15 		__field( bool, in_interrupt )
16 		__field( unsigned int, card )
17 		__field( unsigned int, device )
18 		__field( unsigned int, number )
19 		__field( unsigned int, stream )
20 		__field( snd_pcm_uframes_t, pos )
21 		__field( snd_pcm_uframes_t, period_size )
22 		__field( snd_pcm_uframes_t, buffer_size )
23 		__field( snd_pcm_uframes_t, old_hw_ptr )
24 		__field( snd_pcm_uframes_t, hw_ptr_base )
25 	),
26 	TP_fast_assign(
27 		__entry->in_interrupt = (irq);
28 		__entry->card = (substream)->pcm->card->number;
29 		__entry->device = (substream)->pcm->device;
30 		__entry->number = (substream)->number;
31 		__entry->stream = (substream)->stream;
32 		__entry->pos = (pos);
33 		__entry->period_size = (substream)->runtime->period_size;
34 		__entry->buffer_size = (substream)->runtime->buffer_size;
35 		__entry->old_hw_ptr = (substream)->runtime->status->hw_ptr;
36 		__entry->hw_ptr_base = (substream)->runtime->hw_ptr_base;
37 	),
38 	TP_printk("pcmC%dD%d%s/sub%d: %s: pos=%lu, old=%lu, base=%lu, period=%lu, buf=%lu",
39 		  __entry->card, __entry->device,
40 		  __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? "p" : "c",
41 		  __entry->number,
42 		  __entry->in_interrupt ? "IRQ" : "POS",
43 		  (unsigned long)__entry->pos,
44 		  (unsigned long)__entry->old_hw_ptr,
45 		  (unsigned long)__entry->hw_ptr_base,
46 		  (unsigned long)__entry->period_size,
47 		  (unsigned long)__entry->buffer_size)
48 );
49 
50 TRACE_EVENT(xrun,
51 	TP_PROTO(struct snd_pcm_substream *substream),
52 	TP_ARGS(substream),
53 	TP_STRUCT__entry(
54 		__field( unsigned int, card )
55 		__field( unsigned int, device )
56 		__field( unsigned int, number )
57 		__field( unsigned int, stream )
58 		__field( snd_pcm_uframes_t, period_size )
59 		__field( snd_pcm_uframes_t, buffer_size )
60 		__field( snd_pcm_uframes_t, old_hw_ptr )
61 		__field( snd_pcm_uframes_t, hw_ptr_base )
62 	),
63 	TP_fast_assign(
64 		__entry->card = (substream)->pcm->card->number;
65 		__entry->device = (substream)->pcm->device;
66 		__entry->number = (substream)->number;
67 		__entry->stream = (substream)->stream;
68 		__entry->period_size = (substream)->runtime->period_size;
69 		__entry->buffer_size = (substream)->runtime->buffer_size;
70 		__entry->old_hw_ptr = (substream)->runtime->status->hw_ptr;
71 		__entry->hw_ptr_base = (substream)->runtime->hw_ptr_base;
72 	),
73 	TP_printk("pcmC%dD%d%s/sub%d: XRUN: old=%lu, base=%lu, period=%lu, buf=%lu",
74 		  __entry->card, __entry->device,
75 		  __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? "p" : "c",
76 		  __entry->number,
77 		  (unsigned long)__entry->old_hw_ptr,
78 		  (unsigned long)__entry->hw_ptr_base,
79 		  (unsigned long)__entry->period_size,
80 		  (unsigned long)__entry->buffer_size)
81 );
82 
83 TRACE_EVENT(hw_ptr_error,
84 	TP_PROTO(struct snd_pcm_substream *substream, const char *why),
85 	TP_ARGS(substream, why),
86 	TP_STRUCT__entry(
87 		__field( unsigned int, card )
88 		__field( unsigned int, device )
89 		__field( unsigned int, number )
90 		__field( unsigned int, stream )
91 		__string( reason, why )
92 	),
93 	TP_fast_assign(
94 		__entry->card = (substream)->pcm->card->number;
95 		__entry->device = (substream)->pcm->device;
96 		__entry->number = (substream)->number;
97 		__entry->stream = (substream)->stream;
98 		__assign_str(reason, why);
99 	),
100 	TP_printk("pcmC%dD%d%s/sub%d: ERROR: %s",
101 		  __entry->card, __entry->device,
102 		  __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? "p" : "c",
103 		  __entry->number, __get_str(reason))
104 );
105 
106 TRACE_EVENT(applptr,
107 	TP_PROTO(struct snd_pcm_substream *substream, snd_pcm_uframes_t prev, snd_pcm_uframes_t curr),
108 	TP_ARGS(substream, prev, curr),
109 	TP_STRUCT__entry(
110 		__field( unsigned int, card )
111 		__field( unsigned int, device )
112 		__field( unsigned int, number )
113 		__field( unsigned int, stream )
114 		__field( snd_pcm_uframes_t, prev )
115 		__field( snd_pcm_uframes_t, curr )
116 		__field( snd_pcm_uframes_t, avail )
117 		__field( snd_pcm_uframes_t, period_size )
118 		__field( snd_pcm_uframes_t, buffer_size )
119 	),
120 	TP_fast_assign(
121 		__entry->card = (substream)->pcm->card->number;
122 		__entry->device = (substream)->pcm->device;
123 		__entry->number = (substream)->number;
124 		__entry->stream = (substream)->stream;
125 		__entry->prev = (prev);
126 		__entry->curr = (curr);
127 		__entry->avail = (substream)->stream ? snd_pcm_capture_avail(substream->runtime) : snd_pcm_playback_avail(substream->runtime);
128 		__entry->period_size = (substream)->runtime->period_size;
129 		__entry->buffer_size = (substream)->runtime->buffer_size;
130 	),
131 	TP_printk("pcmC%dD%d%s/sub%d: prev=%lu, curr=%lu, avail=%lu, period=%lu, buf=%lu",
132 		__entry->card,
133 		__entry->device,
134 		__entry->stream ? "c" : "p",
135 		__entry->number,
136 		__entry->prev,
137 		__entry->curr,
138 		__entry->avail,
139 		__entry->period_size,
140 		__entry->buffer_size
141 	)
142 );
143 
144 #endif /* _PCM_TRACE_H */
145 
146 /* This part must be outside protection */
147 #undef TRACE_INCLUDE_PATH
148 #define TRACE_INCLUDE_PATH .
149 #include <trace/define_trace.h>
150