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 | * | |
30 | * Copyright (c) 2011, 2012, Intel Corporation. | |
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); |
d7e09d03 PT |
64 | if (rc) |
65 | return rc; | |
66 | if (val < 0 || val > 1) | |
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 PT |
98 | struct client_obd *cli = &dev->u.cli; |
99 | struct ptlrpc_request_pool *pool = cli->cl_import->imp_rq_pool; | |
aab38b00 OD |
100 | int rc; |
101 | unsigned long val; | |
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 | ||
d7e09d03 PT |
110 | if (pool && val > cli->cl_max_rpcs_in_flight) |
111 | pool->prp_populate(pool, val-cli->cl_max_rpcs_in_flight); | |
112 | ||
113 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
114 | cli->cl_max_rpcs_in_flight = val; | |
115 | client_obd_list_unlock(&cli->cl_loi_list_lock); | |
116 | ||
d7e09d03 PT |
117 | return count; |
118 | } | |
aab38b00 | 119 | LUSTRE_RW_ATTR(max_rpcs_in_flight); |
d7e09d03 | 120 | |
aab38b00 OD |
121 | static ssize_t max_dirty_mb_show(struct kobject *kobj, |
122 | struct attribute *attr, | |
123 | char *buf) | |
d7e09d03 | 124 | { |
aab38b00 OD |
125 | struct obd_device *dev = container_of(kobj, struct obd_device, |
126 | obd_kobj); | |
d7e09d03 PT |
127 | struct client_obd *cli = &dev->u.cli; |
128 | long val; | |
129 | int mult; | |
130 | ||
131 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
132 | val = cli->cl_dirty_max; | |
133 | client_obd_list_unlock(&cli->cl_loi_list_lock); | |
134 | ||
135 | mult = 1 << 20; | |
aab38b00 | 136 | return lprocfs_read_frac_helper(buf, PAGE_SIZE, val, mult); |
d7e09d03 PT |
137 | } |
138 | ||
aab38b00 OD |
139 | static ssize_t max_dirty_mb_store(struct kobject *kobj, |
140 | struct attribute *attr, | |
141 | const char *buffer, | |
142 | size_t count) | |
d7e09d03 | 143 | { |
aab38b00 OD |
144 | struct obd_device *dev = container_of(kobj, struct obd_device, |
145 | obd_kobj); | |
d7e09d03 | 146 | struct client_obd *cli = &dev->u.cli; |
aab38b00 OD |
147 | int rc; |
148 | unsigned long pages_number; | |
d7e09d03 | 149 | |
aab38b00 | 150 | rc = kstrtoul(buffer, 10, &pages_number); |
d7e09d03 PT |
151 | if (rc) |
152 | return rc; | |
153 | ||
aab38b00 OD |
154 | pages_number *= 1 << (20 - PAGE_CACHE_SHIFT); /* MB -> pages */ |
155 | ||
d7e09d03 PT |
156 | if (pages_number <= 0 || |
157 | pages_number > OSC_MAX_DIRTY_MB_MAX << (20 - PAGE_CACHE_SHIFT) || | |
4f6cc9ab | 158 | pages_number > totalram_pages / 4) /* 1/4 of RAM */ |
d7e09d03 PT |
159 | return -ERANGE; |
160 | ||
161 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
21aef7d9 | 162 | cli->cl_dirty_max = (u32)(pages_number << PAGE_CACHE_SHIFT); |
d7e09d03 PT |
163 | osc_wake_cache_waiters(cli); |
164 | client_obd_list_unlock(&cli->cl_loi_list_lock); | |
165 | ||
166 | return count; | |
167 | } | |
aab38b00 | 168 | LUSTRE_RW_ATTR(max_dirty_mb); |
d7e09d03 | 169 | |
73bb1da6 | 170 | static int osc_cached_mb_seq_show(struct seq_file *m, void *v) |
d7e09d03 | 171 | { |
73bb1da6 | 172 | struct obd_device *dev = m->private; |
d7e09d03 PT |
173 | struct client_obd *cli = &dev->u.cli; |
174 | int shift = 20 - PAGE_CACHE_SHIFT; | |
d7e09d03 | 175 | |
91b3a685 JP |
176 | seq_printf(m, |
177 | "used_mb: %d\n" | |
178 | "busy_cnt: %d\n", | |
179 | (atomic_read(&cli->cl_lru_in_list) + | |
180 | atomic_read(&cli->cl_lru_busy)) >> shift, | |
181 | atomic_read(&cli->cl_lru_busy)); | |
182 | ||
183 | return 0; | |
d7e09d03 PT |
184 | } |
185 | ||
186 | /* shrink the number of caching pages to a specific number */ | |
a1e7e2d4 OD |
187 | static ssize_t osc_cached_mb_seq_write(struct file *file, |
188 | const char __user *buffer, | |
189 | size_t count, loff_t *off) | |
d7e09d03 | 190 | { |
73bb1da6 | 191 | struct obd_device *dev = ((struct seq_file *)file->private_data)->private; |
d7e09d03 PT |
192 | struct client_obd *cli = &dev->u.cli; |
193 | int pages_number, mult, rc; | |
a1e7e2d4 OD |
194 | char kernbuf[128]; |
195 | ||
196 | if (count >= sizeof(kernbuf)) | |
197 | return -EINVAL; | |
198 | ||
199 | if (copy_from_user(kernbuf, buffer, count)) | |
200 | return -EFAULT; | |
201 | kernbuf[count] = 0; | |
d7e09d03 PT |
202 | |
203 | mult = 1 << (20 - PAGE_CACHE_SHIFT); | |
a1e7e2d4 OD |
204 | buffer += lprocfs_find_named_value(kernbuf, "used_mb:", &count) - |
205 | kernbuf; | |
d7e09d03 PT |
206 | rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult); |
207 | if (rc) | |
208 | return rc; | |
209 | ||
210 | if (pages_number < 0) | |
211 | return -ERANGE; | |
212 | ||
213 | rc = atomic_read(&cli->cl_lru_in_list) - pages_number; | |
214 | if (rc > 0) | |
215 | (void)osc_lru_shrink(cli, rc); | |
216 | ||
217 | return count; | |
218 | } | |
73bb1da6 | 219 | LPROC_SEQ_FOPS(osc_cached_mb); |
d7e09d03 | 220 | |
aab38b00 OD |
221 | static ssize_t cur_dirty_bytes_show(struct kobject *kobj, |
222 | struct attribute *attr, | |
223 | char *buf) | |
d7e09d03 | 224 | { |
aab38b00 OD |
225 | struct obd_device *dev = container_of(kobj, struct obd_device, |
226 | obd_kobj); | |
d7e09d03 | 227 | struct client_obd *cli = &dev->u.cli; |
aab38b00 | 228 | int len; |
d7e09d03 PT |
229 | |
230 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
aab38b00 | 231 | len = sprintf(buf, "%lu\n", cli->cl_dirty); |
d7e09d03 | 232 | client_obd_list_unlock(&cli->cl_loi_list_lock); |
91b3a685 | 233 | |
aab38b00 | 234 | return len; |
d7e09d03 | 235 | } |
aab38b00 | 236 | LUSTRE_RO_ATTR(cur_dirty_bytes); |
d7e09d03 | 237 | |
aab38b00 OD |
238 | static ssize_t cur_grant_bytes_show(struct kobject *kobj, |
239 | struct attribute *attr, | |
240 | char *buf) | |
d7e09d03 | 241 | { |
aab38b00 OD |
242 | struct obd_device *dev = container_of(kobj, struct obd_device, |
243 | obd_kobj); | |
d7e09d03 | 244 | struct client_obd *cli = &dev->u.cli; |
aab38b00 | 245 | int len; |
d7e09d03 PT |
246 | |
247 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
aab38b00 | 248 | len = sprintf(buf, "%lu\n", cli->cl_avail_grant); |
d7e09d03 | 249 | client_obd_list_unlock(&cli->cl_loi_list_lock); |
91b3a685 | 250 | |
aab38b00 | 251 | return len; |
d7e09d03 PT |
252 | } |
253 | ||
aab38b00 OD |
254 | static ssize_t cur_grant_bytes_store(struct kobject *kobj, |
255 | struct attribute *attr, | |
256 | const char *buffer, | |
257 | size_t count) | |
d7e09d03 | 258 | { |
aab38b00 OD |
259 | struct obd_device *obd = container_of(kobj, struct obd_device, |
260 | obd_kobj); | |
d7e09d03 | 261 | struct client_obd *cli = &obd->u.cli; |
aab38b00 OD |
262 | int rc; |
263 | unsigned long long val; | |
d7e09d03 | 264 | |
aab38b00 | 265 | rc = kstrtoull(buffer, 10, &val); |
d7e09d03 PT |
266 | if (rc) |
267 | return rc; | |
268 | ||
269 | /* this is only for shrinking grant */ | |
270 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
271 | if (val >= cli->cl_avail_grant) { | |
272 | client_obd_list_unlock(&cli->cl_loi_list_lock); | |
aab38b00 | 273 | return -EINVAL; |
d7e09d03 PT |
274 | } |
275 | client_obd_list_unlock(&cli->cl_loi_list_lock); | |
276 | ||
d7e09d03 PT |
277 | if (cli->cl_import->imp_state == LUSTRE_IMP_FULL) |
278 | rc = osc_shrink_grant_to_target(cli, val); | |
d7e09d03 PT |
279 | if (rc) |
280 | return rc; | |
281 | return count; | |
282 | } | |
aab38b00 | 283 | LUSTRE_RW_ATTR(cur_grant_bytes); |
d7e09d03 | 284 | |
aab38b00 OD |
285 | static ssize_t cur_lost_grant_bytes_show(struct kobject *kobj, |
286 | struct attribute *attr, | |
287 | char *buf) | |
d7e09d03 | 288 | { |
aab38b00 OD |
289 | struct obd_device *dev = container_of(kobj, struct obd_device, |
290 | obd_kobj); | |
d7e09d03 | 291 | struct client_obd *cli = &dev->u.cli; |
aab38b00 | 292 | int len; |
d7e09d03 PT |
293 | |
294 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
aab38b00 | 295 | len = sprintf(buf, "%lu\n", cli->cl_lost_grant); |
d7e09d03 | 296 | client_obd_list_unlock(&cli->cl_loi_list_lock); |
91b3a685 | 297 | |
aab38b00 | 298 | return len; |
d7e09d03 | 299 | } |
aab38b00 | 300 | LUSTRE_RO_ATTR(cur_lost_grant_bytes); |
d7e09d03 | 301 | |
aab38b00 OD |
302 | static ssize_t grant_shrink_interval_show(struct kobject *kobj, |
303 | struct attribute *attr, | |
304 | char *buf) | |
d7e09d03 | 305 | { |
aab38b00 OD |
306 | struct obd_device *obd = container_of(kobj, struct obd_device, |
307 | obd_kobj); | |
d7e09d03 | 308 | |
aab38b00 | 309 | return sprintf(buf, "%d\n", obd->u.cli.cl_grant_shrink_interval); |
d7e09d03 PT |
310 | } |
311 | ||
aab38b00 OD |
312 | static ssize_t grant_shrink_interval_store(struct kobject *kobj, |
313 | struct attribute *attr, | |
314 | const char *buffer, | |
315 | size_t count) | |
d7e09d03 | 316 | { |
aab38b00 OD |
317 | struct obd_device *obd = container_of(kobj, struct obd_device, |
318 | obd_kobj); | |
319 | int rc; | |
320 | unsigned long val; | |
d7e09d03 | 321 | |
aab38b00 | 322 | rc = kstrtoul(buffer, 10, &val); |
d7e09d03 PT |
323 | if (rc) |
324 | return rc; | |
325 | ||
326 | if (val <= 0) | |
327 | return -ERANGE; | |
328 | ||
329 | obd->u.cli.cl_grant_shrink_interval = val; | |
330 | ||
331 | return count; | |
332 | } | |
aab38b00 | 333 | LUSTRE_RW_ATTR(grant_shrink_interval); |
d7e09d03 | 334 | |
aab38b00 OD |
335 | static ssize_t checksums_show(struct kobject *kobj, |
336 | struct attribute *attr, | |
337 | char *buf) | |
d7e09d03 | 338 | { |
aab38b00 OD |
339 | struct obd_device *obd = container_of(kobj, struct obd_device, |
340 | obd_kobj); | |
d7e09d03 | 341 | |
aab38b00 | 342 | return sprintf(buf, "%d\n", obd->u.cli.cl_checksum ? 1 : 0); |
d7e09d03 PT |
343 | } |
344 | ||
aab38b00 OD |
345 | static ssize_t checksums_store(struct kobject *kobj, |
346 | struct attribute *attr, | |
347 | const char *buffer, | |
348 | size_t count) | |
d7e09d03 | 349 | { |
aab38b00 OD |
350 | struct obd_device *obd = container_of(kobj, struct obd_device, |
351 | obd_kobj); | |
352 | int rc; | |
353 | unsigned long val; | |
d7e09d03 | 354 | |
aab38b00 | 355 | rc = kstrtoul(buffer, 10, &val); |
d7e09d03 PT |
356 | if (rc) |
357 | return rc; | |
358 | ||
359 | obd->u.cli.cl_checksum = (val ? 1 : 0); | |
360 | ||
361 | return count; | |
362 | } | |
aab38b00 | 363 | LUSTRE_RW_ATTR(checksums); |
d7e09d03 | 364 | |
73bb1da6 | 365 | static int osc_checksum_type_seq_show(struct seq_file *m, void *v) |
d7e09d03 | 366 | { |
73bb1da6 PT |
367 | struct obd_device *obd = m->private; |
368 | int i; | |
d7e09d03 PT |
369 | DECLARE_CKSUM_NAME; |
370 | ||
371 | if (obd == NULL) | |
372 | return 0; | |
373 | ||
73bb1da6 | 374 | for (i = 0; i < ARRAY_SIZE(cksum_name); i++) { |
d7e09d03 PT |
375 | if (((1 << i) & obd->u.cli.cl_supp_cksum_types) == 0) |
376 | continue; | |
377 | if (obd->u.cli.cl_cksum_type == (1 << i)) | |
73bb1da6 | 378 | seq_printf(m, "[%s] ", cksum_name[i]); |
d7e09d03 | 379 | else |
73bb1da6 | 380 | seq_printf(m, "%s ", cksum_name[i]); |
d7e09d03 | 381 | } |
e6aa864f | 382 | seq_putc(m, '\n'); |
73bb1da6 | 383 | return 0; |
d7e09d03 PT |
384 | } |
385 | ||
e84962e3 TL |
386 | static ssize_t osc_checksum_type_seq_write(struct file *file, |
387 | const char __user *buffer, | |
73bb1da6 | 388 | size_t count, loff_t *off) |
d7e09d03 | 389 | { |
73bb1da6 | 390 | struct obd_device *obd = ((struct seq_file *)file->private_data)->private; |
d7e09d03 PT |
391 | int i; |
392 | DECLARE_CKSUM_NAME; | |
393 | char kernbuf[10]; | |
394 | ||
395 | if (obd == NULL) | |
396 | return 0; | |
397 | ||
398 | if (count > sizeof(kernbuf) - 1) | |
399 | return -EINVAL; | |
400 | if (copy_from_user(kernbuf, buffer, count)) | |
401 | return -EFAULT; | |
402 | if (count > 0 && kernbuf[count - 1] == '\n') | |
403 | kernbuf[count - 1] = '\0'; | |
404 | else | |
405 | kernbuf[count] = '\0'; | |
406 | ||
407 | for (i = 0; i < ARRAY_SIZE(cksum_name); i++) { | |
408 | if (((1 << i) & obd->u.cli.cl_supp_cksum_types) == 0) | |
409 | continue; | |
410 | if (!strcmp(kernbuf, cksum_name[i])) { | |
411 | obd->u.cli.cl_cksum_type = 1 << i; | |
412 | return count; | |
413 | } | |
414 | } | |
415 | return -EINVAL; | |
416 | } | |
73bb1da6 | 417 | LPROC_SEQ_FOPS(osc_checksum_type); |
d7e09d03 | 418 | |
aab38b00 OD |
419 | static ssize_t resend_count_show(struct kobject *kobj, |
420 | struct attribute *attr, | |
421 | char *buf) | |
d7e09d03 | 422 | { |
aab38b00 OD |
423 | struct obd_device *obd = container_of(kobj, struct obd_device, |
424 | obd_kobj); | |
d7e09d03 | 425 | |
aab38b00 | 426 | return sprintf(buf, "%u\n", atomic_read(&obd->u.cli.cl_resends)); |
d7e09d03 PT |
427 | } |
428 | ||
aab38b00 OD |
429 | static ssize_t resend_count_store(struct kobject *kobj, |
430 | struct attribute *attr, | |
431 | const char *buffer, | |
432 | size_t count) | |
d7e09d03 | 433 | { |
aab38b00 OD |
434 | struct obd_device *obd = container_of(kobj, struct obd_device, |
435 | obd_kobj); | |
436 | int rc; | |
437 | unsigned long val; | |
d7e09d03 | 438 | |
aab38b00 | 439 | rc = kstrtoul(buffer, 10, &val); |
d7e09d03 PT |
440 | if (rc) |
441 | return rc; | |
442 | ||
443 | if (val < 0) | |
444 | return -EINVAL; | |
445 | ||
446 | atomic_set(&obd->u.cli.cl_resends, val); | |
447 | ||
448 | return count; | |
449 | } | |
aab38b00 | 450 | LUSTRE_RW_ATTR(resend_count); |
d7e09d03 | 451 | |
aab38b00 OD |
452 | static ssize_t contention_seconds_show(struct kobject *kobj, |
453 | struct attribute *attr, | |
454 | char *buf) | |
d7e09d03 | 455 | { |
aab38b00 OD |
456 | struct obd_device *obd = container_of(kobj, struct obd_device, |
457 | obd_kobj); | |
d7e09d03 PT |
458 | struct osc_device *od = obd2osc_dev(obd); |
459 | ||
aab38b00 | 460 | return sprintf(buf, "%u\n", od->od_contention_time); |
d7e09d03 PT |
461 | } |
462 | ||
aab38b00 OD |
463 | static ssize_t contention_seconds_store(struct kobject *kobj, |
464 | struct attribute *attr, | |
465 | const char *buffer, | |
466 | size_t count) | |
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 | ||
472 | return lprocfs_write_helper(buffer, count, &od->od_contention_time) ?: | |
473 | count; | |
474 | } | |
aab38b00 | 475 | LUSTRE_RW_ATTR(contention_seconds); |
d7e09d03 | 476 | |
aab38b00 OD |
477 | static ssize_t lockless_truncate_show(struct kobject *kobj, |
478 | struct attribute *attr, | |
479 | char *buf) | |
d7e09d03 | 480 | { |
aab38b00 OD |
481 | struct obd_device *obd = container_of(kobj, struct obd_device, |
482 | obd_kobj); | |
d7e09d03 PT |
483 | struct osc_device *od = obd2osc_dev(obd); |
484 | ||
aab38b00 | 485 | return sprintf(buf, "%u\n", od->od_lockless_truncate); |
d7e09d03 PT |
486 | } |
487 | ||
aab38b00 OD |
488 | static ssize_t lockless_truncate_store(struct kobject *kobj, |
489 | struct attribute *attr, | |
490 | const char *buffer, | |
491 | size_t count) | |
d7e09d03 | 492 | { |
aab38b00 OD |
493 | struct obd_device *obd = container_of(kobj, struct obd_device, |
494 | obd_kobj); | |
d7e09d03 PT |
495 | struct osc_device *od = obd2osc_dev(obd); |
496 | ||
497 | return lprocfs_write_helper(buffer, count, &od->od_lockless_truncate) ?: | |
498 | count; | |
499 | } | |
aab38b00 | 500 | LUSTRE_RW_ATTR(lockless_truncate); |
d7e09d03 | 501 | |
aab38b00 OD |
502 | static ssize_t destroys_in_flight_show(struct kobject *kobj, |
503 | struct attribute *attr, | |
504 | char *buf) | |
d7e09d03 | 505 | { |
aab38b00 OD |
506 | struct obd_device *obd = container_of(kobj, struct obd_device, |
507 | obd_kobj); | |
8faeebdf | 508 | |
aab38b00 OD |
509 | return sprintf(buf, "%u\n", |
510 | atomic_read(&obd->u.cli.cl_destroy_in_flight)); | |
d7e09d03 | 511 | } |
aab38b00 | 512 | LUSTRE_RO_ATTR(destroys_in_flight); |
73bb1da6 | 513 | |
aab38b00 OD |
514 | static ssize_t max_pages_per_rpc_show(struct kobject *kobj, |
515 | struct attribute *attr, | |
516 | char *buf) | |
73bb1da6 | 517 | { |
aab38b00 OD |
518 | struct obd_device *dev = container_of(kobj, struct obd_device, |
519 | obd_kobj); | |
520 | struct client_obd *cli = &dev->u.cli; | |
521 | ||
522 | return sprintf(buf, "%d\n", cli->cl_max_pages_per_rpc); | |
73bb1da6 | 523 | } |
d7e09d03 | 524 | |
aab38b00 OD |
525 | static ssize_t max_pages_per_rpc_store(struct kobject *kobj, |
526 | struct attribute *attr, | |
527 | const char *buffer, | |
528 | size_t count) | |
d7e09d03 | 529 | { |
aab38b00 OD |
530 | struct obd_device *dev = container_of(kobj, struct obd_device, |
531 | obd_kobj); | |
d7e09d03 PT |
532 | struct client_obd *cli = &dev->u.cli; |
533 | struct obd_connect_data *ocd = &cli->cl_import->imp_connect_data; | |
534 | int chunk_mask, rc; | |
aab38b00 | 535 | unsigned long long val; |
d7e09d03 | 536 | |
aab38b00 | 537 | rc = kstrtoull(buffer, 10, &val); |
d7e09d03 PT |
538 | if (rc) |
539 | return rc; | |
540 | ||
541 | /* if the max_pages is specified in bytes, convert to pages */ | |
542 | if (val >= ONE_MB_BRW_SIZE) | |
543 | val >>= PAGE_CACHE_SHIFT; | |
544 | ||
d7e09d03 PT |
545 | chunk_mask = ~((1 << (cli->cl_chunkbits - PAGE_CACHE_SHIFT)) - 1); |
546 | /* max_pages_per_rpc must be chunk aligned */ | |
547 | val = (val + ~chunk_mask) & chunk_mask; | |
548 | if (val == 0 || val > ocd->ocd_brw_size >> PAGE_CACHE_SHIFT) { | |
d7e09d03 PT |
549 | return -ERANGE; |
550 | } | |
551 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
552 | cli->cl_max_pages_per_rpc = val; | |
553 | client_obd_list_unlock(&cli->cl_loi_list_lock); | |
554 | ||
d7e09d03 PT |
555 | return count; |
556 | } | |
aab38b00 | 557 | LUSTRE_RW_ATTR(max_pages_per_rpc); |
73bb1da6 | 558 | |
73bb1da6 | 559 | LPROC_SEQ_FOPS_RO_TYPE(osc, connect_flags); |
73bb1da6 PT |
560 | LPROC_SEQ_FOPS_RO_TYPE(osc, server_uuid); |
561 | LPROC_SEQ_FOPS_RO_TYPE(osc, conn_uuid); | |
562 | LPROC_SEQ_FOPS_RO_TYPE(osc, timeouts); | |
563 | LPROC_SEQ_FOPS_RO_TYPE(osc, state); | |
564 | ||
565 | LPROC_SEQ_FOPS_WR_ONLY(osc, ping); | |
566 | ||
567 | LPROC_SEQ_FOPS_RW_TYPE(osc, import); | |
568 | LPROC_SEQ_FOPS_RW_TYPE(osc, pinger_recov); | |
d7e09d03 PT |
569 | |
570 | static struct lprocfs_vars lprocfs_osc_obd_vars[] = { | |
114a16b1 BKV |
571 | { "ping", &osc_ping_fops, NULL, 0222 }, |
572 | { "connect_flags", &osc_connect_flags_fops, NULL, 0 }, | |
114a16b1 BKV |
573 | /*{ "filegroups", lprocfs_rd_filegroups, NULL, 0 },*/ |
574 | { "ost_server_uuid", &osc_server_uuid_fops, NULL, 0 }, | |
575 | { "ost_conn_uuid", &osc_conn_uuid_fops, NULL, 0 }, | |
114a16b1 | 576 | { "osc_cached_mb", &osc_cached_mb_fops, NULL }, |
114a16b1 | 577 | { "checksum_type", &osc_checksum_type_fops, NULL }, |
114a16b1 | 578 | { "timeouts", &osc_timeouts_fops, NULL, 0 }, |
114a16b1 BKV |
579 | { "import", &osc_import_fops, NULL }, |
580 | { "state", &osc_state_fops, NULL, 0 }, | |
581 | { "pinger_recov", &osc_pinger_recov_fops, NULL }, | |
582 | { NULL } | |
d7e09d03 PT |
583 | }; |
584 | ||
1d8cb70c | 585 | #define pct(a, b) (b ? a * 100 / b : 0) |
d7e09d03 PT |
586 | |
587 | static int osc_rpc_stats_seq_show(struct seq_file *seq, void *v) | |
588 | { | |
589 | struct timeval now; | |
590 | struct obd_device *dev = seq->private; | |
591 | struct client_obd *cli = &dev->u.cli; | |
592 | unsigned long read_tot = 0, write_tot = 0, read_cum, write_cum; | |
593 | int i; | |
594 | ||
595 | do_gettimeofday(&now); | |
596 | ||
597 | client_obd_list_lock(&cli->cl_loi_list_lock); | |
598 | ||
599 | seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n", | |
996adff8 | 600 | now.tv_sec, (unsigned long)now.tv_usec); |
d7e09d03 PT |
601 | seq_printf(seq, "read RPCs in flight: %d\n", |
602 | cli->cl_r_in_flight); | |
603 | seq_printf(seq, "write RPCs in flight: %d\n", | |
604 | cli->cl_w_in_flight); | |
605 | seq_printf(seq, "pending write pages: %d\n", | |
606 | atomic_read(&cli->cl_pending_w_pages)); | |
607 | seq_printf(seq, "pending read pages: %d\n", | |
608 | atomic_read(&cli->cl_pending_r_pages)); | |
609 | ||
e6aa864f HA |
610 | seq_puts(seq, "\n\t\t\tread\t\t\twrite\n"); |
611 | seq_puts(seq, "pages per rpc rpcs % cum % |"); | |
612 | seq_puts(seq, " rpcs % cum %\n"); | |
d7e09d03 PT |
613 | |
614 | read_tot = lprocfs_oh_sum(&cli->cl_read_page_hist); | |
615 | write_tot = lprocfs_oh_sum(&cli->cl_write_page_hist); | |
616 | ||
617 | read_cum = 0; | |
618 | write_cum = 0; | |
619 | for (i = 0; i < OBD_HIST_MAX; i++) { | |
620 | unsigned long r = cli->cl_read_page_hist.oh_buckets[i]; | |
621 | unsigned long w = cli->cl_write_page_hist.oh_buckets[i]; | |
622 | read_cum += r; | |
623 | write_cum += w; | |
624 | seq_printf(seq, "%d:\t\t%10lu %3lu %3lu | %10lu %3lu %3lu\n", | |
625 | 1 << i, r, pct(r, read_tot), | |
626 | pct(read_cum, read_tot), w, | |
627 | pct(w, write_tot), | |
628 | pct(write_cum, write_tot)); | |
629 | if (read_cum == read_tot && write_cum == write_tot) | |
630 | break; | |
631 | } | |
632 | ||
e6aa864f HA |
633 | seq_puts(seq, "\n\t\t\tread\t\t\twrite\n"); |
634 | seq_puts(seq, "rpcs in flight rpcs % cum % |"); | |
635 | seq_puts(seq, " rpcs % cum %\n"); | |
d7e09d03 PT |
636 | |
637 | read_tot = lprocfs_oh_sum(&cli->cl_read_rpc_hist); | |
638 | write_tot = lprocfs_oh_sum(&cli->cl_write_rpc_hist); | |
639 | ||
640 | read_cum = 0; | |
641 | write_cum = 0; | |
642 | for (i = 0; i < OBD_HIST_MAX; i++) { | |
643 | unsigned long r = cli->cl_read_rpc_hist.oh_buckets[i]; | |
644 | unsigned long w = cli->cl_write_rpc_hist.oh_buckets[i]; | |
645 | read_cum += r; | |
646 | write_cum += w; | |
647 | seq_printf(seq, "%d:\t\t%10lu %3lu %3lu | %10lu %3lu %3lu\n", | |
648 | i, r, pct(r, read_tot), | |
649 | pct(read_cum, read_tot), w, | |
650 | pct(w, write_tot), | |
651 | pct(write_cum, write_tot)); | |
652 | if (read_cum == read_tot && write_cum == write_tot) | |
653 | break; | |
654 | } | |
655 | ||
e6aa864f HA |
656 | seq_puts(seq, "\n\t\t\tread\t\t\twrite\n"); |
657 | seq_puts(seq, "offset rpcs % cum % |"); | |
658 | seq_puts(seq, " rpcs % cum %\n"); | |
d7e09d03 PT |
659 | |
660 | read_tot = lprocfs_oh_sum(&cli->cl_read_offset_hist); | |
661 | write_tot = lprocfs_oh_sum(&cli->cl_write_offset_hist); | |
662 | ||
663 | read_cum = 0; | |
664 | write_cum = 0; | |
665 | for (i = 0; i < OBD_HIST_MAX; i++) { | |
666 | unsigned long r = cli->cl_read_offset_hist.oh_buckets[i]; | |
667 | unsigned long w = cli->cl_write_offset_hist.oh_buckets[i]; | |
668 | read_cum += r; | |
669 | write_cum += w; | |
670 | seq_printf(seq, "%d:\t\t%10lu %3lu %3lu | %10lu %3lu %3lu\n", | |
671 | (i == 0) ? 0 : 1 << (i - 1), | |
672 | r, pct(r, read_tot), pct(read_cum, read_tot), | |
673 | w, pct(w, write_tot), pct(write_cum, write_tot)); | |
674 | if (read_cum == read_tot && write_cum == write_tot) | |
675 | break; | |
676 | } | |
677 | ||
678 | client_obd_list_unlock(&cli->cl_loi_list_lock); | |
679 | ||
680 | return 0; | |
681 | } | |
682 | #undef pct | |
683 | ||
e84962e3 TL |
684 | static ssize_t osc_rpc_stats_seq_write(struct file *file, |
685 | const char __user *buf, | |
686 | size_t len, loff_t *off) | |
d7e09d03 PT |
687 | { |
688 | struct seq_file *seq = file->private_data; | |
689 | struct obd_device *dev = seq->private; | |
690 | struct client_obd *cli = &dev->u.cli; | |
691 | ||
692 | lprocfs_oh_clear(&cli->cl_read_rpc_hist); | |
693 | lprocfs_oh_clear(&cli->cl_write_rpc_hist); | |
694 | lprocfs_oh_clear(&cli->cl_read_page_hist); | |
695 | lprocfs_oh_clear(&cli->cl_write_page_hist); | |
696 | lprocfs_oh_clear(&cli->cl_read_offset_hist); | |
697 | lprocfs_oh_clear(&cli->cl_write_offset_hist); | |
698 | ||
699 | return len; | |
700 | } | |
701 | ||
702 | LPROC_SEQ_FOPS(osc_rpc_stats); | |
703 | ||
704 | static int osc_stats_seq_show(struct seq_file *seq, void *v) | |
705 | { | |
706 | struct timeval now; | |
707 | struct obd_device *dev = seq->private; | |
708 | struct osc_stats *stats = &obd2osc_dev(dev)->od_stats; | |
709 | ||
710 | do_gettimeofday(&now); | |
711 | ||
712 | seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n", | |
996adff8 | 713 | now.tv_sec, (unsigned long)now.tv_usec); |
b0f5aad5 | 714 | seq_printf(seq, "lockless_write_bytes\t\t%llu\n", |
d7e09d03 | 715 | stats->os_lockless_writes); |
b0f5aad5 | 716 | seq_printf(seq, "lockless_read_bytes\t\t%llu\n", |
d7e09d03 | 717 | stats->os_lockless_reads); |
b0f5aad5 | 718 | seq_printf(seq, "lockless_truncate\t\t%llu\n", |
d7e09d03 PT |
719 | stats->os_lockless_truncates); |
720 | return 0; | |
721 | } | |
722 | ||
e84962e3 TL |
723 | static ssize_t osc_stats_seq_write(struct file *file, |
724 | const char __user *buf, | |
725 | size_t len, loff_t *off) | |
d7e09d03 PT |
726 | { |
727 | struct seq_file *seq = file->private_data; | |
728 | struct obd_device *dev = seq->private; | |
729 | struct osc_stats *stats = &obd2osc_dev(dev)->od_stats; | |
730 | ||
731 | memset(stats, 0, sizeof(*stats)); | |
732 | return len; | |
733 | } | |
734 | ||
735 | LPROC_SEQ_FOPS(osc_stats); | |
736 | ||
737 | int lproc_osc_attach_seqstat(struct obd_device *dev) | |
738 | { | |
739 | int rc; | |
740 | ||
61e87ab0 DE |
741 | rc = ldebugfs_seq_create(dev->obd_debugfs_entry, "osc_stats", 0644, |
742 | &osc_stats_fops, dev); | |
d7e09d03 | 743 | if (rc == 0) |
e4ba525e DE |
744 | rc = ldebugfs_obd_seq_create(dev, "rpc_stats", 0644, |
745 | &osc_rpc_stats_fops, dev); | |
d7e09d03 PT |
746 | |
747 | return rc; | |
748 | } | |
749 | ||
aab38b00 OD |
750 | static struct attribute *osc_attrs[] = { |
751 | &lustre_attr_active.attr, | |
752 | &lustre_attr_checksums.attr, | |
753 | &lustre_attr_contention_seconds.attr, | |
754 | &lustre_attr_cur_dirty_bytes.attr, | |
755 | &lustre_attr_cur_grant_bytes.attr, | |
756 | &lustre_attr_cur_lost_grant_bytes.attr, | |
757 | &lustre_attr_destroys_in_flight.attr, | |
758 | &lustre_attr_grant_shrink_interval.attr, | |
759 | &lustre_attr_lockless_truncate.attr, | |
760 | &lustre_attr_max_dirty_mb.attr, | |
761 | &lustre_attr_max_pages_per_rpc.attr, | |
762 | &lustre_attr_max_rpcs_in_flight.attr, | |
763 | &lustre_attr_resend_count.attr, | |
764 | NULL, | |
765 | }; | |
766 | ||
767 | static struct attribute_group osc_attr_group = { | |
768 | .attrs = osc_attrs, | |
769 | }; | |
770 | ||
d7e09d03 PT |
771 | void lprocfs_osc_init_vars(struct lprocfs_static_vars *lvars) |
772 | { | |
aab38b00 | 773 | lvars->sysfs_vars = &osc_attr_group; |
d7e09d03 PT |
774 | lvars->obd_vars = lprocfs_osc_obd_vars; |
775 | } |