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
11TRACE_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
50TRACE_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
83TRACE_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
106TRACE_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