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
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* RDMA Network Block Driver
*
* Copyright (c) 2022 1&1 IONOS SE. All rights reserved.
*/
#undef TRACE_SYSTEM
#define TRACE_SYSTEM rnbd_srv
#if !defined(_TRACE_RNBD_SRV_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_RNBD_SRV_H
#include <linux/tracepoint.h>
struct rnbd_srv_session;
struct rtrs_srv_op;
DECLARE_EVENT_CLASS(rnbd_srv_link_class,
TP_PROTO(struct rnbd_srv_session *srv),
TP_ARGS(srv),
TP_STRUCT__entry(
__field(int, qdepth)
__string(sessname, srv->sessname)
),
TP_fast_assign(
__entry->qdepth = srv->queue_depth;
__assign_str(sessname);
),
TP_printk("sessname: %s qdepth: %d",
__get_str(sessname),
__entry->qdepth
)
);
#define DEFINE_LINK_EVENT(name) \
DEFINE_EVENT(rnbd_srv_link_class, name, \
TP_PROTO(struct rnbd_srv_session *srv), \
TP_ARGS(srv))
DEFINE_LINK_EVENT(create_sess);
DEFINE_LINK_EVENT(destroy_sess);
TRACE_DEFINE_ENUM(RNBD_OP_READ);
TRACE_DEFINE_ENUM(RNBD_OP_WRITE);
TRACE_DEFINE_ENUM(RNBD_OP_FLUSH);
TRACE_DEFINE_ENUM(RNBD_OP_DISCARD);
TRACE_DEFINE_ENUM(RNBD_OP_SECURE_ERASE);
TRACE_DEFINE_ENUM(RNBD_F_SYNC);
TRACE_DEFINE_ENUM(RNBD_F_FUA);
#define show_rnbd_rw_flags(x) \
__print_flags(x, "|", \
{ RNBD_OP_READ, "READ" }, \
{ RNBD_OP_WRITE, "WRITE" }, \
{ RNBD_OP_FLUSH, "FLUSH" }, \
{ RNBD_OP_DISCARD, "DISCARD" }, \
{ RNBD_OP_SECURE_ERASE, "SECURE_ERASE" }, \
{ RNBD_F_SYNC, "SYNC" }, \
{ RNBD_F_FUA, "FUA" })
TRACE_EVENT(process_rdma,
TP_PROTO(struct rnbd_srv_session *srv,
const struct rnbd_msg_io *msg,
struct rtrs_srv_op *id,
u32 datalen,
size_t usrlen),
TP_ARGS(srv, msg, id, datalen, usrlen),
TP_STRUCT__entry(
__string(sessname, srv->sessname)
__field(u8, dir)
__field(u8, ver)
__field(u32, device_id)
__field(u64, sector)
__field(u32, flags)
__field(u32, bi_size)
__field(u16, ioprio)
__field(u32, datalen)
__field(size_t, usrlen)
),
TP_fast_assign(
__assign_str(sessname);
__entry->dir = id->dir;
__entry->ver = srv->ver;
__entry->device_id = le32_to_cpu(msg->device_id);
__entry->sector = le64_to_cpu(msg->sector);
__entry->bi_size = le32_to_cpu(msg->bi_size);
__entry->flags = le32_to_cpu(msg->rw);
__entry->ioprio = le16_to_cpu(msg->prio);
__entry->datalen = datalen;
__entry->usrlen = usrlen;
),
TP_printk("I/O req: sess: %s, type: %s, ver: %d, devid: %u, sector: %llu, bsize: %u, flags: %s, ioprio: %d, datalen: %u, usrlen: %zu",
__get_str(sessname),
__print_symbolic(__entry->dir,
{ READ, "READ" },
{ WRITE, "WRITE" }),
__entry->ver,
__entry->device_id,
__entry->sector,
__entry->bi_size,
show_rnbd_rw_flags(__entry->flags),
__entry->ioprio,
__entry->datalen,
__entry->usrlen
)
);
TRACE_EVENT(process_msg_sess_info,
TP_PROTO(struct rnbd_srv_session *srv,
const struct rnbd_msg_sess_info *msg),
TP_ARGS(srv, msg),
TP_STRUCT__entry(
__field(u8, proto_ver)
__field(u8, clt_ver)
__field(u8, srv_ver)
__string(sessname, srv->sessname)
),
TP_fast_assign(
__entry->proto_ver = srv->ver;
__entry->clt_ver = msg->ver;
__entry->srv_ver = RNBD_PROTO_VER_MAJOR;
__assign_str(sessname);
),
TP_printk("Session %s using proto-ver %d (clt-ver: %d, srv-ver: %d)",
__get_str(sessname),
__entry->proto_ver,
__entry->clt_ver,
__entry->srv_ver
)
);
TRACE_DEFINE_ENUM(RNBD_ACCESS_RO);
TRACE_DEFINE_ENUM(RNBD_ACCESS_RW);
TRACE_DEFINE_ENUM(RNBD_ACCESS_MIGRATION);
#define show_rnbd_access_mode(x) \
__print_symbolic(x, \
{ RNBD_ACCESS_RO, "RO" }, \
{ RNBD_ACCESS_RW, "RW" }, \
{ RNBD_ACCESS_MIGRATION, "MIGRATION" })
TRACE_EVENT(process_msg_open,
TP_PROTO(struct rnbd_srv_session *srv,
const struct rnbd_msg_open *msg),
TP_ARGS(srv, msg),
TP_STRUCT__entry(
__field(u8, access_mode)
__string(sessname, srv->sessname)
__string(dev_name, msg->dev_name)
),
TP_fast_assign(
__entry->access_mode = msg->access_mode;
__assign_str(sessname);
__assign_str(dev_name);
),
TP_printk("Open message received: session='%s' path='%s' access_mode=%s",
__get_str(sessname),
__get_str(dev_name),
show_rnbd_access_mode(__entry->access_mode)
)
);
TRACE_EVENT(process_msg_close,
TP_PROTO(struct rnbd_srv_session *srv,
const struct rnbd_msg_close *msg),
TP_ARGS(srv, msg),
TP_STRUCT__entry(
__field(u32, device_id)
__string(sessname, srv->sessname)
),
TP_fast_assign(
__entry->device_id = le32_to_cpu(msg->device_id);
__assign_str(sessname);
),
TP_printk("Close message received: session='%s' device id='%d'",
__get_str(sessname),
__entry->device_id
)
);
#endif /* _TRACE_RNBD_SRV_H */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#define TRACE_INCLUDE_FILE rnbd-srv-trace
#include <trace/define_trace.h>
|
