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
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
|
/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "spdk/trace.h"
#include "ftl_core.h"
#include "ftl_trace.h"
#include "ftl_io.h"
#include "ftl_band.h"
#if defined(DEBUG)
#define OWNER_FTL 0x20
#define TRACE_GROUP_FTL 0x6
enum ftl_trace_source {
FTL_TRACE_SOURCE_INTERNAL,
FTL_TRACE_SOURCE_USER,
FTL_TRACE_SOURCE_MAX,
};
#define FTL_TPOINT_ID(id, src) SPDK_TPOINT_ID(TRACE_GROUP_FTL, (((id) << 1) | (!!(src))))
#define FTL_TRACE_BAND_DEFRAG(src) FTL_TPOINT_ID(0, src)
#define FTL_TRACE_BAND_WRITE(src) FTL_TPOINT_ID(1, src)
#define FTL_TRACE_LIMITS(src) FTL_TPOINT_ID(2, src)
#define FTL_TRACE_WBUF_POP(src) FTL_TPOINT_ID(3, src)
#define FTL_TRACE_READ_SCHEDULE(src) FTL_TPOINT_ID(4, src)
#define FTL_TRACE_READ_SUBMISSION(src) FTL_TPOINT_ID(5, src)
#define FTL_TRACE_READ_COMPLETION_INVALID(src) FTL_TPOINT_ID(6, src)
#define FTL_TRACE_READ_COMPLETION_CACHE(src) FTL_TPOINT_ID(7, src)
#define FTL_TRACE_READ_COMPLETION_DISK(src) FTL_TPOINT_ID(8, src)
#define FTL_TRACE_MD_READ_SCHEDULE(src) FTL_TPOINT_ID(9, src)
#define FTL_TRACE_MD_READ_SUBMISSION(src) FTL_TPOINT_ID(10, src)
#define FTL_TRACE_MD_READ_COMPLETION(src) FTL_TPOINT_ID(11, src)
#define FTL_TRACE_WRITE_SCHEDULE(src) FTL_TPOINT_ID(12, src)
#define FTL_TRACE_WRITE_WBUF_FILL(src) FTL_TPOINT_ID(13, src)
#define FTL_TRACE_WRITE_SUBMISSION(src) FTL_TPOINT_ID(14, src)
#define FTL_TRACE_WRITE_COMPLETION(src) FTL_TPOINT_ID(15, src)
#define FTL_TRACE_MD_WRITE_SCHEDULE(src) FTL_TPOINT_ID(16, src)
#define FTL_TRACE_MD_WRITE_SUBMISSION(src) FTL_TPOINT_ID(17, src)
#define FTL_TRACE_MD_WRITE_COMPLETION(src) FTL_TPOINT_ID(18, src)
#define FTL_TRACE_ERASE_SUBMISSION(src) FTL_TPOINT_ID(19, src)
#define FTL_TRACE_ERASE_COMPLETION(src) FTL_TPOINT_ID(20, src)
SPDK_TRACE_REGISTER_FN(ftl_trace_func, "ftl", TRACE_GROUP_FTL)
{
const char source[] = { 'i', 'u' };
char descbuf[128];
int i;
spdk_trace_register_owner(OWNER_FTL, 'f');
for (i = 0; i < FTL_TRACE_SOURCE_MAX; ++i) {
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "band_defrag");
spdk_trace_register_description(descbuf, FTL_TRACE_BAND_DEFRAG(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "band: ");
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "band_write");
spdk_trace_register_description(descbuf, FTL_TRACE_BAND_WRITE(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "band: ");
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "limits");
spdk_trace_register_description(descbuf, FTL_TRACE_LIMITS(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "limits: ");
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "rwb_pop");
spdk_trace_register_description(descbuf, FTL_TRACE_WBUF_POP(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "lba: ");
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "md_read_sched");
spdk_trace_register_description(descbuf, FTL_TRACE_MD_READ_SCHEDULE(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "addr: ");
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "md_read_submit");
spdk_trace_register_description(descbuf, FTL_TRACE_MD_READ_SUBMISSION(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "addr: ");
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "md_read_cmpl");
spdk_trace_register_description(descbuf, FTL_TRACE_MD_READ_COMPLETION(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "lba: ");
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "md_write_sched");
spdk_trace_register_description(descbuf, FTL_TRACE_MD_WRITE_SCHEDULE(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "addr: ");
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "md_write_submit");
spdk_trace_register_description(descbuf, FTL_TRACE_MD_WRITE_SUBMISSION(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "addr: ");
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "md_write_cmpl");
spdk_trace_register_description(descbuf, FTL_TRACE_MD_WRITE_COMPLETION(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "lba: ");
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "read_sched");
spdk_trace_register_description(descbuf, FTL_TRACE_READ_SCHEDULE(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "lba: ");
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "read_submit");
spdk_trace_register_description(descbuf, FTL_TRACE_READ_SUBMISSION(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "addr: ");
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "read_cmpl_invld");
spdk_trace_register_description(descbuf, FTL_TRACE_READ_COMPLETION_INVALID(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "lba: ");
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "read_cmpl_cache");
spdk_trace_register_description(descbuf, FTL_TRACE_READ_COMPLETION_CACHE(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "lba: ");
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "read_cmpl_ssd");
spdk_trace_register_description(descbuf, FTL_TRACE_READ_COMPLETION_DISK(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "lba: ");
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "write_sched");
spdk_trace_register_description(descbuf, FTL_TRACE_WRITE_SCHEDULE(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "lba: ");
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "rwb_fill");
spdk_trace_register_description(descbuf, FTL_TRACE_WRITE_WBUF_FILL(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "lba: ");
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "write_submit");
spdk_trace_register_description(descbuf, FTL_TRACE_WRITE_SUBMISSION(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "addr: ");
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "write_cmpl");
spdk_trace_register_description(descbuf, FTL_TRACE_WRITE_COMPLETION(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "lba: ");
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "erase_submit");
spdk_trace_register_description(descbuf, FTL_TRACE_ERASE_SUBMISSION(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "addr: ");
snprintf(descbuf, sizeof(descbuf), "%c %s", source[i], "erase_cmpl");
spdk_trace_register_description(descbuf, FTL_TRACE_ERASE_COMPLETION(i),
OWNER_FTL, OBJECT_NONE, 0, 0, "addr: ");
}
}
static uint16_t
ftl_trace_io_source(const struct ftl_io *io)
{
if (io->flags & FTL_IO_INTERNAL) {
return FTL_TRACE_SOURCE_INTERNAL;
} else {
return FTL_TRACE_SOURCE_USER;
}
}
static uint64_t
ftl_trace_next_id(struct ftl_trace *trace)
{
assert(trace->id != FTL_TRACE_INVALID_ID);
return __atomic_fetch_add(&trace->id, 1, __ATOMIC_SEQ_CST);
}
void
ftl_trace_defrag_band(struct spdk_ftl_dev *dev, const struct ftl_band *band)
{
struct ftl_trace *trace = &dev->stats.trace;
spdk_trace_record(FTL_TRACE_BAND_DEFRAG(FTL_TRACE_SOURCE_INTERNAL),
ftl_trace_next_id(trace), 0, band->lba_map.num_vld, band->id);
}
void
ftl_trace_write_band(struct spdk_ftl_dev *dev, const struct ftl_band *band)
{
struct ftl_trace *trace = &dev->stats.trace;
spdk_trace_record(FTL_TRACE_BAND_WRITE(FTL_TRACE_SOURCE_INTERNAL),
ftl_trace_next_id(trace), 0, 0, band->id);
}
void
ftl_trace_lba_io_init(struct spdk_ftl_dev *dev, const struct ftl_io *io)
{
uint16_t tpoint_id = 0, source;
assert(io->trace != FTL_TRACE_INVALID_ID);
source = ftl_trace_io_source(io);
if (io->flags & FTL_IO_MD) {
switch (io->type) {
case FTL_IO_READ:
tpoint_id = FTL_TRACE_MD_READ_SCHEDULE(source);
break;
case FTL_IO_WRITE:
tpoint_id = FTL_TRACE_MD_WRITE_SCHEDULE(source);
break;
default:
assert(0);
}
} else {
switch (io->type) {
case FTL_IO_READ:
tpoint_id = FTL_TRACE_READ_SCHEDULE(source);
break;
case FTL_IO_WRITE:
tpoint_id = FTL_TRACE_WRITE_SCHEDULE(source);
break;
default:
assert(0);
}
}
spdk_trace_record(tpoint_id, io->trace, io->num_blocks, 0, ftl_io_get_lba(io, 0));
}
void
ftl_trace_wbuf_fill(struct spdk_ftl_dev *dev, const struct ftl_io *io)
{
assert(io->trace != FTL_TRACE_INVALID_ID);
spdk_trace_record(FTL_TRACE_WRITE_WBUF_FILL(ftl_trace_io_source(io)), io->trace,
0, 0, ftl_io_current_lba(io));
}
void
ftl_trace_wbuf_pop(struct spdk_ftl_dev *dev, const struct ftl_wbuf_entry *entry)
{
uint16_t tpoint_id;
assert(entry->trace != FTL_TRACE_INVALID_ID);
if (entry->io_flags & FTL_IO_INTERNAL) {
tpoint_id = FTL_TRACE_WBUF_POP(FTL_TRACE_SOURCE_INTERNAL);
} else {
tpoint_id = FTL_TRACE_WBUF_POP(FTL_TRACE_SOURCE_USER);
}
spdk_trace_record(tpoint_id, entry->trace, 0, entry->addr.offset, entry->lba);
}
void
ftl_trace_completion(struct spdk_ftl_dev *dev, const struct ftl_io *io,
enum ftl_trace_completion completion)
{
uint16_t tpoint_id = 0, source;
assert(io->trace != FTL_TRACE_INVALID_ID);
source = ftl_trace_io_source(io);
if (io->flags & FTL_IO_MD) {
switch (io->type) {
case FTL_IO_READ:
tpoint_id = FTL_TRACE_MD_READ_COMPLETION(source);
break;
case FTL_IO_WRITE:
tpoint_id = FTL_TRACE_MD_WRITE_COMPLETION(source);
break;
default:
assert(0);
}
} else {
switch (io->type) {
case FTL_IO_READ:
switch (completion) {
case FTL_TRACE_COMPLETION_INVALID:
tpoint_id = FTL_TRACE_READ_COMPLETION_INVALID(source);
break;
case FTL_TRACE_COMPLETION_CACHE:
tpoint_id = FTL_TRACE_READ_COMPLETION_CACHE(source);
break;
case FTL_TRACE_COMPLETION_DISK:
tpoint_id = FTL_TRACE_READ_COMPLETION_DISK(source);
break;
}
break;
case FTL_IO_WRITE:
tpoint_id = FTL_TRACE_WRITE_COMPLETION(source);
break;
case FTL_IO_ERASE:
tpoint_id = FTL_TRACE_ERASE_COMPLETION(source);
break;
default:
assert(0);
}
}
spdk_trace_record(tpoint_id, io->trace, 0, 0, ftl_io_get_lba(io, io->pos - 1));
}
void
ftl_trace_submission(struct spdk_ftl_dev *dev, const struct ftl_io *io, struct ftl_addr addr,
size_t addr_cnt)
{
uint16_t tpoint_id = 0, source;
assert(io->trace != FTL_TRACE_INVALID_ID);
source = ftl_trace_io_source(io);
if (io->flags & FTL_IO_MD) {
switch (io->type) {
case FTL_IO_READ:
tpoint_id = FTL_TRACE_MD_READ_SUBMISSION(source);
break;
case FTL_IO_WRITE:
tpoint_id = FTL_TRACE_MD_WRITE_SUBMISSION(source);
break;
default:
assert(0);
}
} else {
switch (io->type) {
case FTL_IO_READ:
tpoint_id = FTL_TRACE_READ_SUBMISSION(source);
break;
case FTL_IO_WRITE:
tpoint_id = FTL_TRACE_WRITE_SUBMISSION(source);
break;
case FTL_IO_ERASE:
tpoint_id = FTL_TRACE_ERASE_SUBMISSION(source);
break;
default:
assert(0);
}
}
spdk_trace_record(tpoint_id, io->trace, addr_cnt, 0, addr.offset);
}
void
ftl_trace_limits(struct spdk_ftl_dev *dev, int limit, size_t num_free)
{
struct ftl_trace *trace = &dev->stats.trace;
spdk_trace_record(FTL_TRACE_LIMITS(FTL_TRACE_SOURCE_INTERNAL), ftl_trace_next_id(trace),
num_free, limit, 0);
}
uint64_t
ftl_trace_alloc_id(struct spdk_ftl_dev *dev)
{
struct ftl_trace *trace = &dev->stats.trace;
return ftl_trace_next_id(trace);
}
#endif /* defined(DEBUG) */
|
