Commit | Line | Data |
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d7e09d03 PT |
1 | /* |
2 | * GPL HEADER START | |
3 | * | |
4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 only, | |
8 | * as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License version 2 for more details (a copy is included | |
14 | * in the LICENSE file that accompanied this code). | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * version 2 along with this program; If not, see | |
18 | * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf | |
19 | * | |
20 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
21 | * CA 95054 USA or visit www.sun.com if you need additional information or | |
22 | * have any questions. | |
23 | * | |
24 | * GPL HEADER END | |
25 | */ | |
26 | /* | |
27 | * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. | |
28 | * Use is subject to license terms. | |
29 | * | |
1dc563a6 | 30 | * Copyright (c) 2011, 2015, Intel Corporation. |
d7e09d03 PT |
31 | */ |
32 | /* | |
33 | * This file is part of Lustre, http://www.lustre.org/ | |
34 | * Lustre is a trademark of Sun Microsystems, Inc. | |
35 | */ | |
36 | #define DEBUG_SUBSYSTEM S_CLASS | |
37 | ||
382e0955 | 38 | #include <linux/statfs.h> |
3ee30015 GKH |
39 | #include "../include/obd_cksum.h" |
40 | #include "../include/obd_class.h" | |
41 | #include "../include/lprocfs_status.h" | |
d7e09d03 PT |
42 | #include <linux/seq_file.h> |
43 | #include "osc_internal.h" | |
44 | ||
aab38b00 OD |
45 | static ssize_t active_show(struct kobject *kobj, struct attribute *attr, |
46 | char *buf) | |
d7e09d03 | 47 | { |
aab38b00 OD |
48 | struct obd_device *dev = container_of(kobj, struct obd_device, |
49 | obd_kobj); | |
91b3a685 | 50 | |
aab38b00 | 51 | return sprintf(buf, "%d\n", !dev->u.cli.cl_import->imp_deactive); |
d7e09d03 PT |
52 | } |
53 | ||
aab38b00 OD |
54 | static ssize_t active_store(struct kobject *kobj, struct attribute *attr, |
55 | const char *buffer, | |
56 | size_t count) | |
d7e09d03 | 57 | { |
aab38b00 OD |
58 | struct obd_device *dev = container_of(kobj, struct obd_device, |
59 | obd_kobj); | |
60 | int rc; | |
61 | unsigned long val; | |
d7e09d03 | 62 | |
aab38b00 | 63 | rc = kstrtoul(buffer, 10, &val); |
9ebafb53 SB |
64 | if (rc) |
65 | return rc; | |
66 | if (val > 1) | |
d7e09d03 PT |
67 | return -ERANGE; |
68 | ||
69 | /* opposite senses */ | |
70 | if (dev->u.cli.cl_import->imp_deactive == val) | |
71 | rc = ptlrpc_set_import_active(dev->u.cli.cl_import, val); | |
72 | else | |
aab38b00 OD |
73 | CDEBUG(D_CONFIG, "activate %ld: ignoring repeat request\n", |
74 | val); | |
d7e09d03 PT |
75 | |
76 | return count; | |
77 | } | |
aab38b00 | 78 | LUSTRE_RW_ATTR(active); |
d7e09d03 | 79 | |
aab38b00 OD |
80 | static ssize_t max_rpcs_in_flight_show(struct kobject *kobj, |
81 | struct attribute *attr, | |
82 | char *buf) | |
d7e09d03 | 83 | { |
aab38b00 OD |
84 | struct obd_device *dev = container_of(kobj, struct obd_device, |
85 | obd_kobj); | |
d7e09d03 | 86 | struct client_obd *cli = &dev->u.cli; |
d7e09d03 | 87 | |
aab38b00 | 88 | return sprintf(buf, "%u\n", cli->cl_max_rpcs_in_flight); |
d7e09d03 PT |
89 | } |
90 | ||
aab38b00 OD |
91 | static ssize_t max_rpcs_in_flight_store(struct kobject *kobj, |
92 | struct attribute *attr, | |
93 | const char *buffer, | |
94 | size_t count) | |
d7e09d03 | 95 | { |
aab38b00 OD |
96 | struct obd_device *dev = container_of(kobj, struct obd_device, |
97 | obd_kobj); | |
d7e09d03 | 98 | struct client_obd *cli = &dev->u.cli; |
aab38b00 OD |
99 | int rc; |
100 | unsigned long val; | |
aefd9d71 | 101 | int adding, added, req_count; |
d7e09d03 | 102 | |
aab38b00 | 103 | rc = kstrtoul(buffer, 10, &val); |
d7e09d03 PT |
104 | if (rc) |
105 | return rc; | |
106 | ||
107 | if (val < 1 || val > OSC_MAX_RIF_MAX) | |
108 | return -ERANGE; | |
109 | ||
aefd9d71 LX |
110 | adding = val - cli->cl_max_rpcs_in_flight; |
111 | req_count = atomic_read(&osc_pool_req_count); | |
112 | if (adding > 0 && req_count < osc_reqpool_maxreqcount) { | |
113 | /* | |
114 | * There might be some race which will cause over-limit | |
115 | * allocation, but it is fine. | |
116 | */ | |
117 | if (req_count + adding > osc_reqpool_maxreqcount) | |
118 | adding = osc_reqpool_maxreqcount - req_count; | |
119 | ||
120 | added = osc_rq_pool->prp_populate(osc_rq_pool, adding); | |
121 | atomic_add(added, &osc_pool_req_count); | |
122 | } | |
d7e09d03 PT |
123 | |
124 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
125 | cli->cl_max_rpcs_in_flight = val; | |
126 | client_obd_list_unlock(&cli->cl_loi_list_lock); | |
127 | ||
d7e09d03 PT |
128 | return count; |
129 | } | |
aab38b00 | 130 | LUSTRE_RW_ATTR(max_rpcs_in_flight); |
d7e09d03 | 131 | |
aab38b00 OD |
132 | static ssize_t max_dirty_mb_show(struct kobject *kobj, |
133 | struct attribute *attr, | |
134 | char *buf) | |
d7e09d03 | 135 | { |
aab38b00 OD |
136 | struct obd_device *dev = container_of(kobj, struct obd_device, |
137 | obd_kobj); | |
d7e09d03 PT |
138 | struct client_obd *cli = &dev->u.cli; |
139 | long val; | |
140 | int mult; | |
141 | ||
142 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
143 | val = cli->cl_dirty_max; | |
144 | client_obd_list_unlock(&cli->cl_loi_list_lock); | |
145 | ||
146 | mult = 1 << 20; | |
aab38b00 | 147 | return lprocfs_read_frac_helper(buf, PAGE_SIZE, val, mult); |
d7e09d03 PT |
148 | } |
149 | ||
aab38b00 OD |
150 | static ssize_t max_dirty_mb_store(struct kobject *kobj, |
151 | struct attribute *attr, | |
152 | const char *buffer, | |
153 | size_t count) | |
d7e09d03 | 154 | { |
aab38b00 OD |
155 | struct obd_device *dev = container_of(kobj, struct obd_device, |
156 | obd_kobj); | |
d7e09d03 | 157 | struct client_obd *cli = &dev->u.cli; |
aab38b00 OD |
158 | int rc; |
159 | unsigned long pages_number; | |
d7e09d03 | 160 | |
aab38b00 | 161 | rc = kstrtoul(buffer, 10, &pages_number); |
d7e09d03 PT |
162 | if (rc) |
163 | return rc; | |
164 | ||
09cbfeaf | 165 | pages_number *= 1 << (20 - PAGE_SHIFT); /* MB -> pages */ |
aab38b00 | 166 | |
d7e09d03 | 167 | if (pages_number <= 0 || |
09cbfeaf | 168 | pages_number > OSC_MAX_DIRTY_MB_MAX << (20 - PAGE_SHIFT) || |
4f6cc9ab | 169 | pages_number > totalram_pages / 4) /* 1/4 of RAM */ |
d7e09d03 PT |
170 | return -ERANGE; |
171 | ||
172 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
09cbfeaf | 173 | cli->cl_dirty_max = (u32)(pages_number << PAGE_SHIFT); |
d7e09d03 PT |
174 | osc_wake_cache_waiters(cli); |
175 | client_obd_list_unlock(&cli->cl_loi_list_lock); | |
176 | ||
177 | return count; | |
178 | } | |
aab38b00 | 179 | LUSTRE_RW_ATTR(max_dirty_mb); |
d7e09d03 | 180 | |
73bb1da6 | 181 | static int osc_cached_mb_seq_show(struct seq_file *m, void *v) |
d7e09d03 | 182 | { |
73bb1da6 | 183 | struct obd_device *dev = m->private; |
d7e09d03 | 184 | struct client_obd *cli = &dev->u.cli; |
09cbfeaf | 185 | int shift = 20 - PAGE_SHIFT; |
d7e09d03 | 186 | |
91b3a685 JP |
187 | seq_printf(m, |
188 | "used_mb: %d\n" | |
189 | "busy_cnt: %d\n", | |
190 | (atomic_read(&cli->cl_lru_in_list) + | |
191 | atomic_read(&cli->cl_lru_busy)) >> shift, | |
192 | atomic_read(&cli->cl_lru_busy)); | |
193 | ||
194 | return 0; | |
d7e09d03 PT |
195 | } |
196 | ||
197 | /* shrink the number of caching pages to a specific number */ | |
a1e7e2d4 OD |
198 | static ssize_t osc_cached_mb_seq_write(struct file *file, |
199 | const char __user *buffer, | |
200 | size_t count, loff_t *off) | |
d7e09d03 | 201 | { |
73bb1da6 | 202 | struct obd_device *dev = ((struct seq_file *)file->private_data)->private; |
d7e09d03 PT |
203 | struct client_obd *cli = &dev->u.cli; |
204 | int pages_number, mult, rc; | |
a1e7e2d4 OD |
205 | char kernbuf[128]; |
206 | ||
207 | if (count >= sizeof(kernbuf)) | |
208 | return -EINVAL; | |
209 | ||
210 | if (copy_from_user(kernbuf, buffer, count)) | |
211 | return -EFAULT; | |
212 | kernbuf[count] = 0; | |
d7e09d03 | 213 | |
09cbfeaf | 214 | mult = 1 << (20 - PAGE_SHIFT); |
a1e7e2d4 OD |
215 | buffer += lprocfs_find_named_value(kernbuf, "used_mb:", &count) - |
216 | kernbuf; | |
d7e09d03 PT |
217 | rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult); |
218 | if (rc) | |
219 | return rc; | |
220 | ||
221 | if (pages_number < 0) | |
222 | return -ERANGE; | |
223 | ||
224 | rc = atomic_read(&cli->cl_lru_in_list) - pages_number; | |
225 | if (rc > 0) | |
226 | (void)osc_lru_shrink(cli, rc); | |
227 | ||
228 | return count; | |
229 | } | |
c9f6bb96 | 230 | |
73bb1da6 | 231 | LPROC_SEQ_FOPS(osc_cached_mb); |
d7e09d03 | 232 | |
aab38b00 OD |
233 | static ssize_t cur_dirty_bytes_show(struct kobject *kobj, |
234 | struct attribute *attr, | |
235 | char *buf) | |
d7e09d03 | 236 | { |
aab38b00 OD |
237 | struct obd_device *dev = container_of(kobj, struct obd_device, |
238 | obd_kobj); | |
d7e09d03 | 239 | struct client_obd *cli = &dev->u.cli; |
aab38b00 | 240 | int len; |
d7e09d03 PT |
241 | |
242 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
aab38b00 | 243 | len = sprintf(buf, "%lu\n", cli->cl_dirty); |
d7e09d03 | 244 | client_obd_list_unlock(&cli->cl_loi_list_lock); |
91b3a685 | 245 | |
aab38b00 | 246 | return len; |
d7e09d03 | 247 | } |
aab38b00 | 248 | LUSTRE_RO_ATTR(cur_dirty_bytes); |
d7e09d03 | 249 | |
aab38b00 OD |
250 | static ssize_t cur_grant_bytes_show(struct kobject *kobj, |
251 | struct attribute *attr, | |
252 | char *buf) | |
d7e09d03 | 253 | { |
aab38b00 OD |
254 | struct obd_device *dev = container_of(kobj, struct obd_device, |
255 | obd_kobj); | |
d7e09d03 | 256 | struct client_obd *cli = &dev->u.cli; |
aab38b00 | 257 | int len; |
d7e09d03 PT |
258 | |
259 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
aab38b00 | 260 | len = sprintf(buf, "%lu\n", cli->cl_avail_grant); |
d7e09d03 | 261 | client_obd_list_unlock(&cli->cl_loi_list_lock); |
91b3a685 | 262 | |
aab38b00 | 263 | return len; |
d7e09d03 PT |
264 | } |
265 | ||
aab38b00 OD |
266 | static ssize_t cur_grant_bytes_store(struct kobject *kobj, |
267 | struct attribute *attr, | |
268 | const char *buffer, | |
269 | size_t count) | |
d7e09d03 | 270 | { |
aab38b00 OD |
271 | struct obd_device *obd = container_of(kobj, struct obd_device, |
272 | obd_kobj); | |
d7e09d03 | 273 | struct client_obd *cli = &obd->u.cli; |
aab38b00 OD |
274 | int rc; |
275 | unsigned long long val; | |
d7e09d03 | 276 | |
aab38b00 | 277 | rc = kstrtoull(buffer, 10, &val); |
d7e09d03 PT |
278 | if (rc) |
279 | return rc; | |
280 | ||
281 | /* this is only for shrinking grant */ | |
282 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
283 | if (val >= cli->cl_avail_grant) { | |
284 | client_obd_list_unlock(&cli->cl_loi_list_lock); | |
aab38b00 | 285 | return -EINVAL; |
d7e09d03 PT |
286 | } |
287 | client_obd_list_unlock(&cli->cl_loi_list_lock); | |
288 | ||
d7e09d03 PT |
289 | if (cli->cl_import->imp_state == LUSTRE_IMP_FULL) |
290 | rc = osc_shrink_grant_to_target(cli, val); | |
d7e09d03 PT |
291 | if (rc) |
292 | return rc; | |
293 | return count; | |
294 | } | |
aab38b00 | 295 | LUSTRE_RW_ATTR(cur_grant_bytes); |
d7e09d03 | 296 | |
aab38b00 OD |
297 | static ssize_t cur_lost_grant_bytes_show(struct kobject *kobj, |
298 | struct attribute *attr, | |
299 | char *buf) | |
d7e09d03 | 300 | { |
aab38b00 OD |
301 | struct obd_device *dev = container_of(kobj, struct obd_device, |
302 | obd_kobj); | |
d7e09d03 | 303 | struct client_obd *cli = &dev->u.cli; |
aab38b00 | 304 | int len; |
d7e09d03 PT |
305 | |
306 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
aab38b00 | 307 | len = sprintf(buf, "%lu\n", cli->cl_lost_grant); |
d7e09d03 | 308 | client_obd_list_unlock(&cli->cl_loi_list_lock); |
91b3a685 | 309 | |
aab38b00 | 310 | return len; |
d7e09d03 | 311 | } |
aab38b00 | 312 | LUSTRE_RO_ATTR(cur_lost_grant_bytes); |
d7e09d03 | 313 | |
aab38b00 OD |
314 | static ssize_t grant_shrink_interval_show(struct kobject *kobj, |
315 | struct attribute *attr, | |
316 | char *buf) | |
d7e09d03 | 317 | { |
aab38b00 OD |
318 | struct obd_device *obd = container_of(kobj, struct obd_device, |
319 | obd_kobj); | |
d7e09d03 | 320 | |
aab38b00 | 321 | return sprintf(buf, "%d\n", obd->u.cli.cl_grant_shrink_interval); |
d7e09d03 PT |
322 | } |
323 | ||
aab38b00 OD |
324 | static ssize_t grant_shrink_interval_store(struct kobject *kobj, |
325 | struct attribute *attr, | |
326 | const char *buffer, | |
327 | size_t count) | |
d7e09d03 | 328 | { |
aab38b00 OD |
329 | struct obd_device *obd = container_of(kobj, struct obd_device, |
330 | obd_kobj); | |
331 | int rc; | |
332 | unsigned long val; | |
d7e09d03 | 333 | |
aab38b00 | 334 | rc = kstrtoul(buffer, 10, &val); |
d7e09d03 PT |
335 | if (rc) |
336 | return rc; | |
337 | ||
338 | if (val <= 0) | |
339 | return -ERANGE; | |
340 | ||
341 | obd->u.cli.cl_grant_shrink_interval = val; | |
342 | ||
343 | return count; | |
344 | } | |
aab38b00 | 345 | LUSTRE_RW_ATTR(grant_shrink_interval); |
d7e09d03 | 346 | |
aab38b00 OD |
347 | static ssize_t checksums_show(struct kobject *kobj, |
348 | struct attribute *attr, | |
349 | char *buf) | |
d7e09d03 | 350 | { |
aab38b00 OD |
351 | struct obd_device *obd = container_of(kobj, struct obd_device, |
352 | obd_kobj); | |
d7e09d03 | 353 | |
aab38b00 | 354 | return sprintf(buf, "%d\n", obd->u.cli.cl_checksum ? 1 : 0); |
d7e09d03 PT |
355 | } |
356 | ||
aab38b00 OD |
357 | static ssize_t checksums_store(struct kobject *kobj, |
358 | struct attribute *attr, | |
359 | const char *buffer, | |
360 | size_t count) | |
d7e09d03 | 361 | { |
aab38b00 OD |
362 | struct obd_device *obd = container_of(kobj, struct obd_device, |
363 | obd_kobj); | |
364 | int rc; | |
365 | unsigned long val; | |
d7e09d03 | 366 | |
aab38b00 | 367 | rc = kstrtoul(buffer, 10, &val); |
d7e09d03 PT |
368 | if (rc) |
369 | return rc; | |
370 | ||
371 | obd->u.cli.cl_checksum = (val ? 1 : 0); | |
372 | ||
373 | return count; | |
374 | } | |
aab38b00 | 375 | LUSTRE_RW_ATTR(checksums); |
d7e09d03 | 376 | |
73bb1da6 | 377 | static int osc_checksum_type_seq_show(struct seq_file *m, void *v) |
d7e09d03 | 378 | { |
73bb1da6 PT |
379 | struct obd_device *obd = m->private; |
380 | int i; | |
50ffcb7e | 381 | |
d7e09d03 PT |
382 | DECLARE_CKSUM_NAME; |
383 | ||
7f1ae4c0 | 384 | if (!obd) |
d7e09d03 PT |
385 | return 0; |
386 | ||
73bb1da6 | 387 | for (i = 0; i < ARRAY_SIZE(cksum_name); i++) { |
d7e09d03 PT |
388 | if (((1 << i) & obd->u.cli.cl_supp_cksum_types) == 0) |
389 | continue; | |
390 | if (obd->u.cli.cl_cksum_type == (1 << i)) | |
73bb1da6 | 391 | seq_printf(m, "[%s] ", cksum_name[i]); |
d7e09d03 | 392 | else |
73bb1da6 | 393 | seq_printf(m, "%s ", cksum_name[i]); |
d7e09d03 | 394 | } |
e6aa864f | 395 | seq_putc(m, '\n'); |
73bb1da6 | 396 | return 0; |
d7e09d03 PT |
397 | } |
398 | ||
e84962e3 | 399 | static ssize_t osc_checksum_type_seq_write(struct file *file, |
79910d7d OD |
400 | const char __user *buffer, |
401 | size_t count, loff_t *off) | |
d7e09d03 | 402 | { |
73bb1da6 | 403 | struct obd_device *obd = ((struct seq_file *)file->private_data)->private; |
d7e09d03 | 404 | int i; |
50ffcb7e | 405 | |
d7e09d03 PT |
406 | DECLARE_CKSUM_NAME; |
407 | char kernbuf[10]; | |
408 | ||
7f1ae4c0 | 409 | if (!obd) |
d7e09d03 PT |
410 | return 0; |
411 | ||
412 | if (count > sizeof(kernbuf) - 1) | |
413 | return -EINVAL; | |
414 | if (copy_from_user(kernbuf, buffer, count)) | |
415 | return -EFAULT; | |
416 | if (count > 0 && kernbuf[count - 1] == '\n') | |
417 | kernbuf[count - 1] = '\0'; | |
418 | else | |
419 | kernbuf[count] = '\0'; | |
420 | ||
421 | for (i = 0; i < ARRAY_SIZE(cksum_name); i++) { | |
422 | if (((1 << i) & obd->u.cli.cl_supp_cksum_types) == 0) | |
423 | continue; | |
424 | if (!strcmp(kernbuf, cksum_name[i])) { | |
defa220f OD |
425 | obd->u.cli.cl_cksum_type = 1 << i; |
426 | return count; | |
d7e09d03 PT |
427 | } |
428 | } | |
429 | return -EINVAL; | |
430 | } | |
c9f6bb96 | 431 | |
73bb1da6 | 432 | LPROC_SEQ_FOPS(osc_checksum_type); |
d7e09d03 | 433 | |
aab38b00 | 434 | static ssize_t resend_count_show(struct kobject *kobj, |
29ac6840 CH |
435 | struct attribute *attr, |
436 | char *buf) | |
d7e09d03 | 437 | { |
aab38b00 OD |
438 | struct obd_device *obd = container_of(kobj, struct obd_device, |
439 | obd_kobj); | |
d7e09d03 | 440 | |
aab38b00 | 441 | return sprintf(buf, "%u\n", atomic_read(&obd->u.cli.cl_resends)); |
d7e09d03 PT |
442 | } |
443 | ||
aab38b00 | 444 | static ssize_t resend_count_store(struct kobject *kobj, |
29ac6840 CH |
445 | struct attribute *attr, |
446 | const char *buffer, | |
447 | size_t count) | |
d7e09d03 | 448 | { |
aab38b00 OD |
449 | struct obd_device *obd = container_of(kobj, struct obd_device, |
450 | obd_kobj); | |
451 | int rc; | |
452 | unsigned long val; | |
d7e09d03 | 453 | |
aab38b00 | 454 | rc = kstrtoul(buffer, 10, &val); |
d7e09d03 PT |
455 | if (rc) |
456 | return rc; | |
457 | ||
d7e09d03 PT |
458 | atomic_set(&obd->u.cli.cl_resends, val); |
459 | ||
460 | return count; | |
461 | } | |
aab38b00 | 462 | LUSTRE_RW_ATTR(resend_count); |
d7e09d03 | 463 | |
aab38b00 OD |
464 | static ssize_t contention_seconds_show(struct kobject *kobj, |
465 | struct attribute *attr, | |
466 | char *buf) | |
d7e09d03 | 467 | { |
aab38b00 OD |
468 | struct obd_device *obd = container_of(kobj, struct obd_device, |
469 | obd_kobj); | |
d7e09d03 PT |
470 | struct osc_device *od = obd2osc_dev(obd); |
471 | ||
aab38b00 | 472 | return sprintf(buf, "%u\n", od->od_contention_time); |
d7e09d03 PT |
473 | } |
474 | ||
aab38b00 OD |
475 | static ssize_t contention_seconds_store(struct kobject *kobj, |
476 | struct attribute *attr, | |
477 | const char *buffer, | |
478 | size_t count) | |
d7e09d03 | 479 | { |
aab38b00 OD |
480 | struct obd_device *obd = container_of(kobj, struct obd_device, |
481 | obd_kobj); | |
d7e09d03 | 482 | struct osc_device *od = obd2osc_dev(obd); |
0dd48a43 OD |
483 | int rc; |
484 | int val; | |
485 | ||
486 | rc = kstrtoint(buffer, 10, &val); | |
487 | if (rc) | |
488 | return rc; | |
489 | ||
490 | if (val < 0) | |
491 | return -EINVAL; | |
492 | ||
493 | od->od_contention_time = val; | |
d7e09d03 | 494 | |
0dd48a43 | 495 | return count; |
d7e09d03 | 496 | } |
aab38b00 | 497 | LUSTRE_RW_ATTR(contention_seconds); |
d7e09d03 | 498 | |
aab38b00 OD |
499 | static ssize_t lockless_truncate_show(struct kobject *kobj, |
500 | struct attribute *attr, | |
501 | char *buf) | |
d7e09d03 | 502 | { |
aab38b00 OD |
503 | struct obd_device *obd = container_of(kobj, struct obd_device, |
504 | obd_kobj); | |
d7e09d03 PT |
505 | struct osc_device *od = obd2osc_dev(obd); |
506 | ||
aab38b00 | 507 | return sprintf(buf, "%u\n", od->od_lockless_truncate); |
d7e09d03 PT |
508 | } |
509 | ||
aab38b00 OD |
510 | static ssize_t lockless_truncate_store(struct kobject *kobj, |
511 | struct attribute *attr, | |
512 | const char *buffer, | |
513 | size_t count) | |
d7e09d03 | 514 | { |
aab38b00 OD |
515 | struct obd_device *obd = container_of(kobj, struct obd_device, |
516 | obd_kobj); | |
d7e09d03 | 517 | struct osc_device *od = obd2osc_dev(obd); |
0dd48a43 OD |
518 | int rc; |
519 | unsigned int val; | |
d7e09d03 | 520 | |
0dd48a43 OD |
521 | rc = kstrtouint(buffer, 10, &val); |
522 | if (rc) | |
523 | return rc; | |
524 | ||
525 | od->od_lockless_truncate = val; | |
526 | ||
527 | return count; | |
d7e09d03 | 528 | } |
aab38b00 | 529 | LUSTRE_RW_ATTR(lockless_truncate); |
d7e09d03 | 530 | |
aab38b00 OD |
531 | static ssize_t destroys_in_flight_show(struct kobject *kobj, |
532 | struct attribute *attr, | |
533 | char *buf) | |
d7e09d03 | 534 | { |
aab38b00 OD |
535 | struct obd_device *obd = container_of(kobj, struct obd_device, |
536 | obd_kobj); | |
8faeebdf | 537 | |
aab38b00 OD |
538 | return sprintf(buf, "%u\n", |
539 | atomic_read(&obd->u.cli.cl_destroy_in_flight)); | |
d7e09d03 | 540 | } |
aab38b00 | 541 | LUSTRE_RO_ATTR(destroys_in_flight); |
73bb1da6 | 542 | |
aab38b00 OD |
543 | static ssize_t max_pages_per_rpc_show(struct kobject *kobj, |
544 | struct attribute *attr, | |
545 | char *buf) | |
73bb1da6 | 546 | { |
aab38b00 OD |
547 | struct obd_device *dev = container_of(kobj, struct obd_device, |
548 | obd_kobj); | |
549 | struct client_obd *cli = &dev->u.cli; | |
550 | ||
551 | return sprintf(buf, "%d\n", cli->cl_max_pages_per_rpc); | |
73bb1da6 | 552 | } |
d7e09d03 | 553 | |
aab38b00 OD |
554 | static ssize_t max_pages_per_rpc_store(struct kobject *kobj, |
555 | struct attribute *attr, | |
556 | const char *buffer, | |
557 | size_t count) | |
d7e09d03 | 558 | { |
aab38b00 OD |
559 | struct obd_device *dev = container_of(kobj, struct obd_device, |
560 | obd_kobj); | |
d7e09d03 PT |
561 | struct client_obd *cli = &dev->u.cli; |
562 | struct obd_connect_data *ocd = &cli->cl_import->imp_connect_data; | |
563 | int chunk_mask, rc; | |
aab38b00 | 564 | unsigned long long val; |
d7e09d03 | 565 | |
aab38b00 | 566 | rc = kstrtoull(buffer, 10, &val); |
d7e09d03 PT |
567 | if (rc) |
568 | return rc; | |
569 | ||
570 | /* if the max_pages is specified in bytes, convert to pages */ | |
571 | if (val >= ONE_MB_BRW_SIZE) | |
09cbfeaf | 572 | val >>= PAGE_SHIFT; |
d7e09d03 | 573 | |
09cbfeaf | 574 | chunk_mask = ~((1 << (cli->cl_chunkbits - PAGE_SHIFT)) - 1); |
d7e09d03 PT |
575 | /* max_pages_per_rpc must be chunk aligned */ |
576 | val = (val + ~chunk_mask) & chunk_mask; | |
09cbfeaf | 577 | if (val == 0 || val > ocd->ocd_brw_size >> PAGE_SHIFT) { |
d7e09d03 PT |
578 | return -ERANGE; |
579 | } | |
580 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
581 | cli->cl_max_pages_per_rpc = val; | |
582 | client_obd_list_unlock(&cli->cl_loi_list_lock); | |
583 | ||
d7e09d03 PT |
584 | return count; |
585 | } | |
aab38b00 | 586 | LUSTRE_RW_ATTR(max_pages_per_rpc); |
73bb1da6 | 587 | |
73bb1da6 | 588 | LPROC_SEQ_FOPS_RO_TYPE(osc, connect_flags); |
73bb1da6 PT |
589 | LPROC_SEQ_FOPS_RO_TYPE(osc, server_uuid); |
590 | LPROC_SEQ_FOPS_RO_TYPE(osc, conn_uuid); | |
591 | LPROC_SEQ_FOPS_RO_TYPE(osc, timeouts); | |
592 | LPROC_SEQ_FOPS_RO_TYPE(osc, state); | |
593 | ||
594 | LPROC_SEQ_FOPS_WR_ONLY(osc, ping); | |
595 | ||
596 | LPROC_SEQ_FOPS_RW_TYPE(osc, import); | |
597 | LPROC_SEQ_FOPS_RW_TYPE(osc, pinger_recov); | |
d7e09d03 PT |
598 | |
599 | static struct lprocfs_vars lprocfs_osc_obd_vars[] = { | |
114a16b1 BKV |
600 | { "ping", &osc_ping_fops, NULL, 0222 }, |
601 | { "connect_flags", &osc_connect_flags_fops, NULL, 0 }, | |
114a16b1 BKV |
602 | /*{ "filegroups", lprocfs_rd_filegroups, NULL, 0 },*/ |
603 | { "ost_server_uuid", &osc_server_uuid_fops, NULL, 0 }, | |
604 | { "ost_conn_uuid", &osc_conn_uuid_fops, NULL, 0 }, | |
114a16b1 | 605 | { "osc_cached_mb", &osc_cached_mb_fops, NULL }, |
114a16b1 | 606 | { "checksum_type", &osc_checksum_type_fops, NULL }, |
114a16b1 | 607 | { "timeouts", &osc_timeouts_fops, NULL, 0 }, |
114a16b1 BKV |
608 | { "import", &osc_import_fops, NULL }, |
609 | { "state", &osc_state_fops, NULL, 0 }, | |
610 | { "pinger_recov", &osc_pinger_recov_fops, NULL }, | |
611 | { NULL } | |
d7e09d03 PT |
612 | }; |
613 | ||
1d8cb70c | 614 | #define pct(a, b) (b ? a * 100 / b : 0) |
d7e09d03 PT |
615 | |
616 | static int osc_rpc_stats_seq_show(struct seq_file *seq, void *v) | |
617 | { | |
86655400 | 618 | struct timespec64 now; |
d7e09d03 PT |
619 | struct obd_device *dev = seq->private; |
620 | struct client_obd *cli = &dev->u.cli; | |
621 | unsigned long read_tot = 0, write_tot = 0, read_cum, write_cum; | |
622 | int i; | |
623 | ||
86655400 | 624 | ktime_get_real_ts64(&now); |
d7e09d03 PT |
625 | |
626 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
627 | ||
86655400 AB |
628 | seq_printf(seq, "snapshot_time: %llu.%9lu (secs.usecs)\n", |
629 | (s64)now.tv_sec, (unsigned long)now.tv_nsec); | |
d7e09d03 PT |
630 | seq_printf(seq, "read RPCs in flight: %d\n", |
631 | cli->cl_r_in_flight); | |
632 | seq_printf(seq, "write RPCs in flight: %d\n", | |
633 | cli->cl_w_in_flight); | |
634 | seq_printf(seq, "pending write pages: %d\n", | |
635 | atomic_read(&cli->cl_pending_w_pages)); | |
636 | seq_printf(seq, "pending read pages: %d\n", | |
637 | atomic_read(&cli->cl_pending_r_pages)); | |
638 | ||
e6aa864f HA |
639 | seq_puts(seq, "\n\t\t\tread\t\t\twrite\n"); |
640 | seq_puts(seq, "pages per rpc rpcs % cum % |"); | |
641 | seq_puts(seq, " rpcs % cum %\n"); | |
d7e09d03 PT |
642 | |
643 | read_tot = lprocfs_oh_sum(&cli->cl_read_page_hist); | |
644 | write_tot = lprocfs_oh_sum(&cli->cl_write_page_hist); | |
645 | ||
646 | read_cum = 0; | |
647 | write_cum = 0; | |
648 | for (i = 0; i < OBD_HIST_MAX; i++) { | |
649 | unsigned long r = cli->cl_read_page_hist.oh_buckets[i]; | |
650 | unsigned long w = cli->cl_write_page_hist.oh_buckets[i]; | |
50ffcb7e | 651 | |
d7e09d03 PT |
652 | read_cum += r; |
653 | write_cum += w; | |
654 | seq_printf(seq, "%d:\t\t%10lu %3lu %3lu | %10lu %3lu %3lu\n", | |
79910d7d OD |
655 | 1 << i, r, pct(r, read_tot), |
656 | pct(read_cum, read_tot), w, | |
657 | pct(w, write_tot), | |
658 | pct(write_cum, write_tot)); | |
d7e09d03 PT |
659 | if (read_cum == read_tot && write_cum == write_tot) |
660 | break; | |
661 | } | |
662 | ||
e6aa864f HA |
663 | seq_puts(seq, "\n\t\t\tread\t\t\twrite\n"); |
664 | seq_puts(seq, "rpcs in flight rpcs % cum % |"); | |
665 | seq_puts(seq, " rpcs % cum %\n"); | |
d7e09d03 PT |
666 | |
667 | read_tot = lprocfs_oh_sum(&cli->cl_read_rpc_hist); | |
668 | write_tot = lprocfs_oh_sum(&cli->cl_write_rpc_hist); | |
669 | ||
670 | read_cum = 0; | |
671 | write_cum = 0; | |
672 | for (i = 0; i < OBD_HIST_MAX; i++) { | |
673 | unsigned long r = cli->cl_read_rpc_hist.oh_buckets[i]; | |
674 | unsigned long w = cli->cl_write_rpc_hist.oh_buckets[i]; | |
50ffcb7e | 675 | |
d7e09d03 PT |
676 | read_cum += r; |
677 | write_cum += w; | |
678 | seq_printf(seq, "%d:\t\t%10lu %3lu %3lu | %10lu %3lu %3lu\n", | |
79910d7d OD |
679 | i, r, pct(r, read_tot), |
680 | pct(read_cum, read_tot), w, | |
681 | pct(w, write_tot), | |
682 | pct(write_cum, write_tot)); | |
d7e09d03 PT |
683 | if (read_cum == read_tot && write_cum == write_tot) |
684 | break; | |
685 | } | |
686 | ||
e6aa864f HA |
687 | seq_puts(seq, "\n\t\t\tread\t\t\twrite\n"); |
688 | seq_puts(seq, "offset rpcs % cum % |"); | |
689 | seq_puts(seq, " rpcs % cum %\n"); | |
d7e09d03 PT |
690 | |
691 | read_tot = lprocfs_oh_sum(&cli->cl_read_offset_hist); | |
692 | write_tot = lprocfs_oh_sum(&cli->cl_write_offset_hist); | |
693 | ||
694 | read_cum = 0; | |
695 | write_cum = 0; | |
696 | for (i = 0; i < OBD_HIST_MAX; i++) { | |
697 | unsigned long r = cli->cl_read_offset_hist.oh_buckets[i]; | |
698 | unsigned long w = cli->cl_write_offset_hist.oh_buckets[i]; | |
50ffcb7e | 699 | |
d7e09d03 PT |
700 | read_cum += r; |
701 | write_cum += w; | |
702 | seq_printf(seq, "%d:\t\t%10lu %3lu %3lu | %10lu %3lu %3lu\n", | |
703 | (i == 0) ? 0 : 1 << (i - 1), | |
704 | r, pct(r, read_tot), pct(read_cum, read_tot), | |
705 | w, pct(w, write_tot), pct(write_cum, write_tot)); | |
706 | if (read_cum == read_tot && write_cum == write_tot) | |
707 | break; | |
708 | } | |
709 | ||
710 | client_obd_list_unlock(&cli->cl_loi_list_lock); | |
711 | ||
712 | return 0; | |
713 | } | |
c9f6bb96 | 714 | |
d7e09d03 PT |
715 | #undef pct |
716 | ||
e84962e3 | 717 | static ssize_t osc_rpc_stats_seq_write(struct file *file, |
29ac6840 CH |
718 | const char __user *buf, |
719 | size_t len, loff_t *off) | |
d7e09d03 PT |
720 | { |
721 | struct seq_file *seq = file->private_data; | |
722 | struct obd_device *dev = seq->private; | |
723 | struct client_obd *cli = &dev->u.cli; | |
724 | ||
725 | lprocfs_oh_clear(&cli->cl_read_rpc_hist); | |
726 | lprocfs_oh_clear(&cli->cl_write_rpc_hist); | |
727 | lprocfs_oh_clear(&cli->cl_read_page_hist); | |
728 | lprocfs_oh_clear(&cli->cl_write_page_hist); | |
729 | lprocfs_oh_clear(&cli->cl_read_offset_hist); | |
730 | lprocfs_oh_clear(&cli->cl_write_offset_hist); | |
731 | ||
732 | return len; | |
733 | } | |
734 | ||
735 | LPROC_SEQ_FOPS(osc_rpc_stats); | |
736 | ||
737 | static int osc_stats_seq_show(struct seq_file *seq, void *v) | |
738 | { | |
86655400 | 739 | struct timespec64 now; |
d7e09d03 PT |
740 | struct obd_device *dev = seq->private; |
741 | struct osc_stats *stats = &obd2osc_dev(dev)->od_stats; | |
742 | ||
86655400 | 743 | ktime_get_real_ts64(&now); |
d7e09d03 | 744 | |
86655400 AB |
745 | seq_printf(seq, "snapshot_time: %llu.%9lu (secs.usecs)\n", |
746 | (s64)now.tv_sec, (unsigned long)now.tv_nsec); | |
b0f5aad5 | 747 | seq_printf(seq, "lockless_write_bytes\t\t%llu\n", |
d7e09d03 | 748 | stats->os_lockless_writes); |
b0f5aad5 | 749 | seq_printf(seq, "lockless_read_bytes\t\t%llu\n", |
d7e09d03 | 750 | stats->os_lockless_reads); |
b0f5aad5 | 751 | seq_printf(seq, "lockless_truncate\t\t%llu\n", |
d7e09d03 PT |
752 | stats->os_lockless_truncates); |
753 | return 0; | |
754 | } | |
755 | ||
e84962e3 | 756 | static ssize_t osc_stats_seq_write(struct file *file, |
29ac6840 CH |
757 | const char __user *buf, |
758 | size_t len, loff_t *off) | |
d7e09d03 PT |
759 | { |
760 | struct seq_file *seq = file->private_data; | |
761 | struct obd_device *dev = seq->private; | |
762 | struct osc_stats *stats = &obd2osc_dev(dev)->od_stats; | |
763 | ||
764 | memset(stats, 0, sizeof(*stats)); | |
765 | return len; | |
766 | } | |
767 | ||
768 | LPROC_SEQ_FOPS(osc_stats); | |
769 | ||
770 | int lproc_osc_attach_seqstat(struct obd_device *dev) | |
771 | { | |
772 | int rc; | |
773 | ||
61e87ab0 DE |
774 | rc = ldebugfs_seq_create(dev->obd_debugfs_entry, "osc_stats", 0644, |
775 | &osc_stats_fops, dev); | |
d7e09d03 | 776 | if (rc == 0) |
e4ba525e DE |
777 | rc = ldebugfs_obd_seq_create(dev, "rpc_stats", 0644, |
778 | &osc_rpc_stats_fops, dev); | |
d7e09d03 PT |
779 | |
780 | return rc; | |
781 | } | |
782 | ||
aab38b00 OD |
783 | static struct attribute *osc_attrs[] = { |
784 | &lustre_attr_active.attr, | |
785 | &lustre_attr_checksums.attr, | |
786 | &lustre_attr_contention_seconds.attr, | |
787 | &lustre_attr_cur_dirty_bytes.attr, | |
788 | &lustre_attr_cur_grant_bytes.attr, | |
789 | &lustre_attr_cur_lost_grant_bytes.attr, | |
790 | &lustre_attr_destroys_in_flight.attr, | |
791 | &lustre_attr_grant_shrink_interval.attr, | |
792 | &lustre_attr_lockless_truncate.attr, | |
793 | &lustre_attr_max_dirty_mb.attr, | |
794 | &lustre_attr_max_pages_per_rpc.attr, | |
795 | &lustre_attr_max_rpcs_in_flight.attr, | |
796 | &lustre_attr_resend_count.attr, | |
797 | NULL, | |
798 | }; | |
799 | ||
800 | static struct attribute_group osc_attr_group = { | |
801 | .attrs = osc_attrs, | |
802 | }; | |
803 | ||
d7e09d03 PT |
804 | void lprocfs_osc_init_vars(struct lprocfs_static_vars *lvars) |
805 | { | |
aab38b00 | 806 | lvars->sysfs_vars = &osc_attr_group; |
d7e09d03 PT |
807 | lvars->obd_vars = lprocfs_osc_obd_vars; |
808 | } |