Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/sound/firewire/amdtp-stream-trace.h
26377 views
1
/* SPDX-License-Identifier: GPL-2.0-only */

2
/*

3
 * amdtp-stream-trace.h - tracepoint definitions to dump a part of packet data

4
 *

5
 * Copyright (c) 2016 Takashi Sakamoto

6
 */

7


8
#undef TRACE_SYSTEM

9
#define TRACE_SYSTEM		snd_firewire_lib

10


11
#if !defined(_AMDTP_STREAM_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)

12
#define _AMDTP_STREAM_TRACE_H

13


14
#include <linux/tracepoint.h>

15


16
TRACE_EVENT(amdtp_packet,

17
	TP_PROTO(const struct amdtp_stream *s, u32 cycles, const __be32 *cip_header, unsigned int payload_length, unsigned int data_blocks, unsigned int data_block_counter, unsigned int packet_index, unsigned int index, u32 curr_cycle_time),

18
	TP_ARGS(s, cycles, cip_header, payload_length, data_blocks, data_block_counter, packet_index, index, curr_cycle_time),

19
	TP_STRUCT__entry(

20
		__field(unsigned int, cycle_time)

21
		__field(unsigned int, second)

22
		__field(unsigned int, cycle)

23
		__field(int, channel)

24
		__field(int, src)

25
		__field(int, dest)

26
		__dynamic_array(u8, cip_header, cip_header ? 8 : 0)

27
		__field(unsigned int, payload_quadlets)

28
		__field(unsigned int, data_blocks)

29
		__field(unsigned int, data_block_counter)

30
		__field(unsigned int, packet_index)

31
		__field(unsigned int, irq)

32
		__field(unsigned int, index)

33
	),

34
	TP_fast_assign(

35
		__entry->cycle_time = curr_cycle_time;

36
		__entry->second = cycles / CYCLES_PER_SECOND;

37
		__entry->cycle = cycles % CYCLES_PER_SECOND;

38
		__entry->channel = s->context->channel;

39
		if (s->direction == AMDTP_IN_STREAM) {

40
			__entry->src = fw_parent_device(s->unit)->node_id;

41
			__entry->dest = fw_parent_device(s->unit)->card->node_id;

42
		} else {

43
			__entry->src = fw_parent_device(s->unit)->card->node_id;

44
			__entry->dest = fw_parent_device(s->unit)->node_id;

45
		}

46
		if (cip_header) {

47
			memcpy(__get_dynamic_array(cip_header), cip_header,

48
			       __get_dynamic_array_len(cip_header));

49
		}

50
		__entry->payload_quadlets = payload_length / sizeof(__be32);

51
		__entry->data_blocks = data_blocks;

52
		__entry->data_block_counter = data_block_counter,

53
		__entry->packet_index = packet_index;

54
		__entry->irq = !!in_softirq();

55
		__entry->index = index;

56
	),

57
	TP_printk(

58
		"%08x %02u %04u %04x %04x %02d %03u %02u %03u %02u %01u %02u %s",

59
		__entry->cycle_time,

60
		__entry->second,

61
		__entry->cycle,

62
		__entry->src,

63
		__entry->dest,

64
		__entry->channel,

65
		__entry->payload_quadlets,

66
		__entry->data_blocks,

67
		__entry->data_block_counter,

68
		__entry->packet_index,

69
		__entry->irq,

70
		__entry->index,

71
		__print_array(__get_dynamic_array(cip_header),

72
			      __get_dynamic_array_len(cip_header), 1))

73
);

74


75
#endif

76


77
#undef TRACE_INCLUDE_PATH

78
#define TRACE_INCLUDE_PATH	.

79
#undef TRACE_INCLUDE_FILE

80
#define TRACE_INCLUDE_FILE	amdtp-stream-trace

81
#include <trace/define_trace.h>

82


83