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