1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM kyber
#if !defined(_TRACE_KYBER_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_KYBER_H
#include <linux/blkdev.h>
#include <linux/tracepoint.h>
#define DOMAIN_LEN 16
#define LATENCY_TYPE_LEN 8
TRACE_EVENT(kyber_latency,
TP_PROTO(struct request_queue *q, const char *domain, const char *type,
unsigned int percentile, unsigned int numerator,
unsigned int denominator, unsigned int samples),
TP_ARGS(q, domain, type, percentile, numerator, denominator, samples),
TP_STRUCT__entry(
__field( dev_t, dev )
__array( char, domain, DOMAIN_LEN )
__array( char, type, LATENCY_TYPE_LEN )
__field( u8, percentile )
__field( u8, numerator )
__field( u8, denominator )
__field( unsigned int, samples )
),
TP_fast_assign(
__entry->dev = disk_devt(dev_to_disk(kobj_to_dev(q->kobj.parent)));
strlcpy(__entry->domain, domain, DOMAIN_LEN);
strlcpy(__entry->type, type, DOMAIN_LEN);
__entry->percentile = percentile;
__entry->numerator = numerator;
__entry->denominator = denominator;
__entry->samples = samples;
),
TP_printk("%d,%d %s %s p%u %u/%u samples=%u",
MAJOR(__entry->dev), MINOR(__entry->dev), __entry->domain,
__entry->type, __entry->percentile, __entry->numerator,
__entry->denominator, __entry->samples)
);
TRACE_EVENT(kyber_adjust,
TP_PROTO(struct request_queue *q, const char *domain,
unsigned int depth),
TP_ARGS(q, domain, depth),
TP_STRUCT__entry(
__field( dev_t, dev )
__array( char, domain, DOMAIN_LEN )
__field( unsigned int, depth )
),
TP_fast_assign(
__entry->dev = disk_devt(dev_to_disk(kobj_to_dev(q->kobj.parent)));
strlcpy(__entry->domain, domain, DOMAIN_LEN);
__entry->depth = depth;
),
TP_printk("%d,%d %s %u",
MAJOR(__entry->dev), MINOR(__entry->dev), __entry->domain,
__entry->depth)
);
TRACE_EVENT(kyber_throttled,
TP_PROTO(struct request_queue *q, const char *domain),
TP_ARGS(q, domain),
TP_STRUCT__entry(
__field( dev_t, dev )
__array( char, domain, DOMAIN_LEN )
),
TP_fast_assign(
__entry->dev = disk_devt(dev_to_disk(kobj_to_dev(q->kobj.parent)));
strlcpy(__entry->domain, domain, DOMAIN_LEN);
),
TP_printk("%d,%d %s", MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->domain)
);
#define _TRACE_KYBER_H
#endif /* _TRACE_KYBER_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
|
