4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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.
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).
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.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
32 #define DEBUG_SUBSYSTEM S_CLASS
34 #include <linux/version.h>
35 #include <asm/statfs.h>
36 #include <obd_cksum.h>
37 #include <obd_class.h>
38 #include <lprocfs_status.h>
39 #include <linux/seq_file.h>
40 #include <lustre_osc.h>
42 #include "osc_internal.h"
44 static ssize_t active_show(struct kobject *kobj, struct attribute *attr,
47 struct obd_device *dev = container_of(kobj, struct obd_device,
51 LPROCFS_CLIMP_CHECK(dev);
52 rc = sprintf(buf, "%d\n", !dev->u.cli.cl_import->imp_deactive);
53 LPROCFS_CLIMP_EXIT(dev);
57 static ssize_t active_store(struct kobject *kobj, struct attribute *attr,
58 const char *buffer, size_t count)
60 struct obd_device *dev = container_of(kobj, struct obd_device,
65 rc = kstrtobool(buffer, &val);
70 if (dev->u.cli.cl_import->imp_deactive == val)
71 rc = ptlrpc_set_import_active(dev->u.cli.cl_import, val);
73 CDEBUG(D_CONFIG, "activate %u: ignoring repeat request\n",
78 LUSTRE_RW_ATTR(active);
80 static ssize_t max_rpcs_in_flight_show(struct kobject *kobj,
81 struct attribute *attr,
84 struct obd_device *dev = container_of(kobj, struct obd_device,
86 struct client_obd *cli = &dev->u.cli;
89 spin_lock(&cli->cl_loi_list_lock);
90 len = sprintf(buf, "%u\n", cli->cl_max_rpcs_in_flight);
91 spin_unlock(&cli->cl_loi_list_lock);
95 static ssize_t max_rpcs_in_flight_store(struct kobject *kobj,
96 struct attribute *attr,
100 struct obd_device *dev = container_of(kobj, struct obd_device,
102 struct client_obd *cli = &dev->u.cli;
103 int adding, added, req_count;
107 rc = kstrtouint(buffer, 0, &val);
111 if (val == 0 || val > OSC_MAX_RIF_MAX)
114 LPROCFS_CLIMP_CHECK(dev);
116 adding = (int)val - cli->cl_max_rpcs_in_flight;
117 req_count = atomic_read(&osc_pool_req_count);
118 if (adding > 0 && req_count < osc_reqpool_maxreqcount) {
120 * There might be some race which will cause over-limit
121 * allocation, but it is fine.
123 if (req_count + adding > osc_reqpool_maxreqcount)
124 adding = osc_reqpool_maxreqcount - req_count;
126 added = osc_rq_pool->prp_populate(osc_rq_pool, adding);
127 atomic_add(added, &osc_pool_req_count);
130 spin_lock(&cli->cl_loi_list_lock);
131 cli->cl_max_rpcs_in_flight = val;
132 client_adjust_max_dirty(cli);
133 spin_unlock(&cli->cl_loi_list_lock);
135 LPROCFS_CLIMP_EXIT(dev);
138 LUSTRE_RW_ATTR(max_rpcs_in_flight);
140 static ssize_t max_dirty_mb_show(struct kobject *kobj,
141 struct attribute *attr,
144 struct obd_device *dev = container_of(kobj, struct obd_device,
146 struct client_obd *cli = &dev->u.cli;
149 spin_lock(&cli->cl_loi_list_lock);
150 val = PAGES_TO_MiB(cli->cl_dirty_max_pages);
151 spin_unlock(&cli->cl_loi_list_lock);
153 return sprintf(buf, "%lu\n", val);
156 static ssize_t max_dirty_mb_store(struct kobject *kobj,
157 struct attribute *attr,
161 struct obd_device *dev = container_of(kobj, struct obd_device,
163 struct client_obd *cli = &dev->u.cli;
164 unsigned long pages_number, max_dirty_mb;
167 rc = kstrtoul(buffer, 10, &max_dirty_mb);
171 pages_number = MiB_TO_PAGES(max_dirty_mb);
173 if (pages_number >= MiB_TO_PAGES(OSC_MAX_DIRTY_MB_MAX) ||
174 pages_number > cfs_totalram_pages() / 4) /* 1/4 of RAM */
177 spin_lock(&cli->cl_loi_list_lock);
178 cli->cl_dirty_max_pages = pages_number;
179 osc_wake_cache_waiters(cli);
180 spin_unlock(&cli->cl_loi_list_lock);
184 LUSTRE_RW_ATTR(max_dirty_mb);
186 LUSTRE_ATTR(ost_conn_uuid, 0444, conn_uuid_show, NULL);
187 LUSTRE_RO_ATTR(conn_uuid);
189 LUSTRE_RW_ATTR(ping);
191 static int osc_cached_mb_seq_show(struct seq_file *m, void *v)
193 struct obd_device *dev = m->private;
194 struct client_obd *cli = &dev->u.cli;
195 int shift = 20 - PAGE_SHIFT;
197 seq_printf(m, "used_mb: %ld\n"
200 (atomic_long_read(&cli->cl_lru_in_list) +
201 atomic_long_read(&cli->cl_lru_busy)) >> shift,
202 atomic_long_read(&cli->cl_lru_busy),
203 cli->cl_lru_reclaim);
208 /* shrink the number of caching pages to a specific number */
209 static ssize_t osc_cached_mb_seq_write(struct file *file,
210 const char __user *buffer,
211 size_t count, loff_t *off)
213 struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
214 struct client_obd *cli = &dev->u.cli;
220 if (count >= sizeof(kernbuf))
223 if (copy_from_user(kernbuf, buffer, count))
227 tmp = lprocfs_find_named_value(kernbuf, "used_mb:", &count);
228 rc = sysfs_memparse(tmp, count, &pages_number, "MiB");
232 pages_number >>= PAGE_SHIFT;
234 rc = atomic_long_read(&cli->cl_lru_in_list) - pages_number;
239 env = cl_env_get(&refcheck);
241 (void)osc_lru_shrink(env, cli, rc, true);
242 cl_env_put(env, &refcheck);
249 LPROC_SEQ_FOPS(osc_cached_mb);
251 static ssize_t cur_dirty_bytes_show(struct kobject *kobj,
252 struct attribute *attr,
255 struct obd_device *dev = container_of(kobj, struct obd_device,
257 struct client_obd *cli = &dev->u.cli;
260 spin_lock(&cli->cl_loi_list_lock);
261 len = sprintf(buf, "%lu\n", cli->cl_dirty_pages << PAGE_SHIFT);
262 spin_unlock(&cli->cl_loi_list_lock);
266 LUSTRE_RO_ATTR(cur_dirty_bytes);
268 static int osc_cur_grant_bytes_seq_show(struct seq_file *m, void *v)
270 struct obd_device *dev = m->private;
271 struct client_obd *cli = &dev->u.cli;
273 spin_lock(&cli->cl_loi_list_lock);
274 seq_printf(m, "%lu\n", cli->cl_avail_grant);
275 spin_unlock(&cli->cl_loi_list_lock);
279 static ssize_t osc_cur_grant_bytes_seq_write(struct file *file,
280 const char __user *buffer,
281 size_t count, loff_t *off)
283 struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
284 struct client_obd *cli = &obd->u.cli;
285 char kernbuf[22] = "";
292 if (count >= sizeof(kernbuf))
295 if (copy_from_user(kernbuf, buffer, count))
299 rc = sysfs_memparse(kernbuf, count, &val, "MiB");
303 /* this is only for shrinking grant */
304 spin_lock(&cli->cl_loi_list_lock);
305 if (val >= cli->cl_avail_grant) {
306 spin_unlock(&cli->cl_loi_list_lock);
310 spin_unlock(&cli->cl_loi_list_lock);
312 LPROCFS_CLIMP_CHECK(obd);
313 if (cli->cl_import->imp_state == LUSTRE_IMP_FULL)
314 rc = osc_shrink_grant_to_target(cli, val);
315 LPROCFS_CLIMP_EXIT(obd);
317 return rc ? rc : count;
319 LPROC_SEQ_FOPS(osc_cur_grant_bytes);
321 static ssize_t cur_lost_grant_bytes_show(struct kobject *kobj,
322 struct attribute *attr,
325 struct obd_device *dev = container_of(kobj, struct obd_device,
327 struct client_obd *cli = &dev->u.cli;
330 spin_lock(&cli->cl_loi_list_lock);
331 len = sprintf(buf, "%lu\n", cli->cl_lost_grant);
332 spin_unlock(&cli->cl_loi_list_lock);
335 LUSTRE_RO_ATTR(cur_lost_grant_bytes);
337 static ssize_t grant_shrink_interval_show(struct kobject *kobj,
338 struct attribute *attr,
341 struct obd_device *obd = container_of(kobj, struct obd_device,
344 return sprintf(buf, "%lld\n", obd->u.cli.cl_grant_shrink_interval);
347 static ssize_t grant_shrink_interval_store(struct kobject *kobj,
348 struct attribute *attr,
352 struct obd_device *obd = container_of(kobj, struct obd_device,
357 rc = kstrtouint(buffer, 0, &val);
364 obd->u.cli.cl_grant_shrink_interval = val;
365 osc_update_next_shrink(&obd->u.cli);
366 osc_schedule_grant_work();
370 LUSTRE_RW_ATTR(grant_shrink_interval);
372 static ssize_t checksums_show(struct kobject *kobj,
373 struct attribute *attr,
376 struct obd_device *obd = container_of(kobj, struct obd_device,
379 return sprintf(buf, "%d\n", obd->u.cli.cl_checksum ? 1 : 0);
382 static ssize_t checksums_store(struct kobject *kobj,
383 struct attribute *attr,
387 struct obd_device *obd = container_of(kobj, struct obd_device,
392 rc = kstrtobool(buffer, &val);
396 obd->u.cli.cl_checksum = val;
400 LUSTRE_RW_ATTR(checksums);
402 static int osc_checksum_type_seq_show(struct seq_file *m, void *v)
404 struct obd_device *obd = m->private;
411 for (i = 0; i < ARRAY_SIZE(cksum_name); i++) {
412 if (((1 << i) & obd->u.cli.cl_supp_cksum_types) == 0)
414 if (obd->u.cli.cl_cksum_type == (1 << i))
415 seq_printf(m, "[%s] ", cksum_name[i]);
417 seq_printf(m, "%s ", cksum_name[i]);
423 static ssize_t osc_checksum_type_seq_write(struct file *file,
424 const char __user *buffer,
425 size_t count, loff_t *off)
427 struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
436 if (count > sizeof(kernbuf) - 1)
438 if (copy_from_user(kernbuf, buffer, count))
441 if (count > 0 && kernbuf[count - 1] == '\n')
442 kernbuf[count - 1] = '\0';
444 kernbuf[count] = '\0';
446 for (i = 0; i < ARRAY_SIZE(cksum_name); i++) {
447 if (strcmp(kernbuf, cksum_name[i]) == 0) {
448 obd->u.cli.cl_preferred_cksum_type = BIT(i);
449 if (obd->u.cli.cl_supp_cksum_types & BIT(i)) {
450 obd->u.cli.cl_cksum_type = BIT(i);
460 LPROC_SEQ_FOPS(osc_checksum_type);
462 static ssize_t resend_count_show(struct kobject *kobj,
463 struct attribute *attr,
466 struct obd_device *obd = container_of(kobj, struct obd_device,
469 return sprintf(buf, "%u\n", atomic_read(&obd->u.cli.cl_resends));
472 static ssize_t resend_count_store(struct kobject *kobj,
473 struct attribute *attr,
477 struct obd_device *obd = container_of(kobj, struct obd_device,
482 rc = kstrtouint(buffer, 10, &val);
486 atomic_set(&obd->u.cli.cl_resends, val);
490 LUSTRE_RW_ATTR(resend_count);
492 static ssize_t checksum_dump_show(struct kobject *kobj,
493 struct attribute *attr,
496 struct obd_device *obd = container_of(kobj, struct obd_device,
499 return sprintf(buf, "%d\n", obd->u.cli.cl_checksum_dump ? 1 : 0);
502 static ssize_t checksum_dump_store(struct kobject *kobj,
503 struct attribute *attr,
507 struct obd_device *obd = container_of(kobj, struct obd_device,
512 rc = kstrtobool(buffer, &val);
516 obd->u.cli.cl_checksum_dump = val;
520 LUSTRE_RW_ATTR(checksum_dump);
522 static ssize_t contention_seconds_show(struct kobject *kobj,
523 struct attribute *attr,
526 struct obd_device *obd = container_of(kobj, struct obd_device,
528 struct osc_device *od = obd2osc_dev(obd);
530 return sprintf(buf, "%lld\n", od->od_contention_time);
533 static ssize_t contention_seconds_store(struct kobject *kobj,
534 struct attribute *attr,
538 struct obd_device *obd = container_of(kobj, struct obd_device,
540 struct osc_device *od = obd2osc_dev(obd);
544 rc = kstrtouint(buffer, 0, &val);
548 od->od_contention_time = val;
552 LUSTRE_RW_ATTR(contention_seconds);
554 static ssize_t lockless_truncate_show(struct kobject *kobj,
555 struct attribute *attr,
558 struct obd_device *obd = container_of(kobj, struct obd_device,
560 struct osc_device *od = obd2osc_dev(obd);
562 return sprintf(buf, "%u\n", od->od_lockless_truncate);
565 static ssize_t lockless_truncate_store(struct kobject *kobj,
566 struct attribute *attr,
570 struct obd_device *obd = container_of(kobj, struct obd_device,
572 struct osc_device *od = obd2osc_dev(obd);
576 rc = kstrtobool(buffer, &val);
580 od->od_lockless_truncate = val;
584 LUSTRE_RW_ATTR(lockless_truncate);
586 static ssize_t destroys_in_flight_show(struct kobject *kobj,
587 struct attribute *attr,
590 struct obd_device *obd = container_of(kobj, struct obd_device,
593 return sprintf(buf, "%u\n",
594 atomic_read(&obd->u.cli.cl_destroy_in_flight));
596 LUSTRE_RO_ATTR(destroys_in_flight);
598 LPROC_SEQ_FOPS_RW_TYPE(osc, obd_max_pages_per_rpc);
600 LUSTRE_RW_ATTR(short_io_bytes);
602 #ifdef CONFIG_PROC_FS
603 static int osc_unstable_stats_seq_show(struct seq_file *m, void *v)
605 struct obd_device *dev = m->private;
606 struct client_obd *cli = &dev->u.cli;
610 pages = atomic_long_read(&cli->cl_unstable_count);
611 mb = (pages * PAGE_SIZE) >> 20;
613 seq_printf(m, "unstable_pages: %20ld\n"
614 "unstable_mb: %10d\n",
618 LPROC_SEQ_FOPS_RO(osc_unstable_stats);
620 static ssize_t idle_timeout_show(struct kobject *kobj, struct attribute *attr,
623 struct obd_device *obd = container_of(kobj, struct obd_device,
625 struct client_obd *cli = &obd->u.cli;
628 LPROCFS_CLIMP_CHECK(obd);
629 ret = sprintf(buf, "%u\n", cli->cl_import->imp_idle_timeout);
630 LPROCFS_CLIMP_EXIT(obd);
635 static ssize_t idle_timeout_store(struct kobject *kobj, struct attribute *attr,
636 const char *buffer, size_t count)
638 struct obd_device *dev = container_of(kobj, struct obd_device,
640 struct client_obd *cli = &dev->u.cli;
641 struct ptlrpc_request *req;
642 unsigned int idle_debug = 0;
646 if (strncmp(buffer, "debug", 5) == 0) {
647 idle_debug = D_CONSOLE;
648 } else if (strncmp(buffer, "nodebug", 6) == 0) {
651 rc = kstrtouint(buffer, 10, &val);
655 if (val > CONNECTION_SWITCH_MAX)
659 LPROCFS_CLIMP_CHECK(dev);
661 cli->cl_import->imp_idle_debug = idle_debug;
664 /* initiate the connection if it's in IDLE state */
665 req = ptlrpc_request_alloc(cli->cl_import,
668 ptlrpc_req_finished(req);
670 cli->cl_import->imp_idle_timeout = val;
672 LPROCFS_CLIMP_EXIT(dev);
676 LUSTRE_RW_ATTR(idle_timeout);
678 static ssize_t idle_connect_store(struct kobject *kobj, struct attribute *attr,
679 const char *buffer, size_t count)
681 struct obd_device *dev = container_of(kobj, struct obd_device,
683 struct client_obd *cli = &dev->u.cli;
684 struct ptlrpc_request *req;
686 LPROCFS_CLIMP_CHECK(dev);
687 /* to initiate the connection if it's in IDLE state */
688 req = ptlrpc_request_alloc(cli->cl_import, &RQF_OST_STATFS);
690 ptlrpc_req_finished(req);
691 ptlrpc_pinger_force(cli->cl_import);
692 LPROCFS_CLIMP_EXIT(dev);
696 LUSTRE_WO_ATTR(idle_connect);
698 static ssize_t grant_shrink_show(struct kobject *kobj, struct attribute *attr,
701 struct obd_device *obd = container_of(kobj, struct obd_device,
703 struct obd_import *imp;
706 LPROCFS_CLIMP_CHECK(obd);
707 imp = obd->u.cli.cl_import;
708 len = scnprintf(buf, PAGE_SIZE, "%d\n",
709 !imp->imp_grant_shrink_disabled &&
710 OCD_HAS_FLAG(&imp->imp_connect_data, GRANT_SHRINK));
711 LPROCFS_CLIMP_EXIT(obd);
716 static ssize_t grant_shrink_store(struct kobject *kobj, struct attribute *attr,
717 const char *buffer, size_t count)
719 struct obd_device *dev = container_of(kobj, struct obd_device,
721 struct obd_import *imp;
728 rc = kstrtobool(buffer, &val);
732 LPROCFS_CLIMP_CHECK(dev);
734 imp = dev->u.cli.cl_import;
735 spin_lock(&imp->imp_lock);
736 imp->imp_grant_shrink_disabled = !val;
737 spin_unlock(&imp->imp_lock);
739 LPROCFS_CLIMP_EXIT(dev);
743 LUSTRE_RW_ATTR(grant_shrink);
745 LPROC_SEQ_FOPS_RO_TYPE(osc, connect_flags);
746 LPROC_SEQ_FOPS_RO_TYPE(osc, server_uuid);
747 LPROC_SEQ_FOPS_RO_TYPE(osc, timeouts);
748 LPROC_SEQ_FOPS_RO_TYPE(osc, state);
750 LPROC_SEQ_FOPS_RW_TYPE(osc, import);
751 LPROC_SEQ_FOPS_RW_TYPE(osc, pinger_recov);
753 struct lprocfs_vars lprocfs_osc_obd_vars[] = {
754 { .name = "connect_flags",
755 .fops = &osc_connect_flags_fops },
756 { .name = "ost_server_uuid",
757 .fops = &osc_server_uuid_fops },
758 { .name = "max_pages_per_rpc",
759 .fops = &osc_obd_max_pages_per_rpc_fops },
760 { .name = "osc_cached_mb",
761 .fops = &osc_cached_mb_fops },
762 { .name = "cur_grant_bytes",
763 .fops = &osc_cur_grant_bytes_fops },
764 { .name = "checksum_type",
765 .fops = &osc_checksum_type_fops },
766 { .name = "timeouts",
767 .fops = &osc_timeouts_fops },
769 .fops = &osc_import_fops },
771 .fops = &osc_state_fops },
772 { .name = "pinger_recov",
773 .fops = &osc_pinger_recov_fops },
774 { .name = "unstable_stats",
775 .fops = &osc_unstable_stats_fops },
779 static int osc_rpc_stats_seq_show(struct seq_file *seq, void *v)
781 struct timespec64 now;
782 struct obd_device *dev = seq->private;
783 struct client_obd *cli = &dev->u.cli;
784 unsigned long read_tot = 0, write_tot = 0, read_cum, write_cum;
787 ktime_get_real_ts64(&now);
789 spin_lock(&cli->cl_loi_list_lock);
791 seq_printf(seq, "snapshot_time: %lld.%09lu (secs.nsecs)\n",
792 (s64)now.tv_sec, now.tv_nsec);
793 seq_printf(seq, "read RPCs in flight: %d\n",
794 cli->cl_r_in_flight);
795 seq_printf(seq, "write RPCs in flight: %d\n",
796 cli->cl_w_in_flight);
797 seq_printf(seq, "pending write pages: %d\n",
798 atomic_read(&cli->cl_pending_w_pages));
799 seq_printf(seq, "pending read pages: %d\n",
800 atomic_read(&cli->cl_pending_r_pages));
802 seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
803 seq_printf(seq, "pages per rpc rpcs %% cum %% |");
804 seq_printf(seq, " rpcs %% cum %%\n");
806 read_tot = lprocfs_oh_sum(&cli->cl_read_page_hist);
807 write_tot = lprocfs_oh_sum(&cli->cl_write_page_hist);
811 for (i = 0; i < OBD_HIST_MAX; i++) {
812 unsigned long r = cli->cl_read_page_hist.oh_buckets[i];
813 unsigned long w = cli->cl_write_page_hist.oh_buckets[i];
817 seq_printf(seq, "%d:\t\t%10lu %3u %3u | %10lu %3u %3u\n",
818 1 << i, r, pct(r, read_tot),
819 pct(read_cum, read_tot), w,
821 pct(write_cum, write_tot));
822 if (read_cum == read_tot && write_cum == write_tot)
826 seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
827 seq_printf(seq, "rpcs in flight rpcs %% cum %% |");
828 seq_printf(seq, " rpcs %% cum %%\n");
830 read_tot = lprocfs_oh_sum(&cli->cl_read_rpc_hist);
831 write_tot = lprocfs_oh_sum(&cli->cl_write_rpc_hist);
835 for (i = 0; i < OBD_HIST_MAX; i++) {
836 unsigned long r = cli->cl_read_rpc_hist.oh_buckets[i];
837 unsigned long w = cli->cl_write_rpc_hist.oh_buckets[i];
840 seq_printf(seq, "%d:\t\t%10lu %3u %3u | %10lu %3u %3u\n",
841 i, r, pct(r, read_tot),
842 pct(read_cum, read_tot), w,
844 pct(write_cum, write_tot));
845 if (read_cum == read_tot && write_cum == write_tot)
849 seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
850 seq_printf(seq, "offset rpcs %% cum %% |");
851 seq_printf(seq, " rpcs %% cum %%\n");
853 read_tot = lprocfs_oh_sum(&cli->cl_read_offset_hist);
854 write_tot = lprocfs_oh_sum(&cli->cl_write_offset_hist);
858 for (i = 0; i < OBD_HIST_MAX; i++) {
859 unsigned long r = cli->cl_read_offset_hist.oh_buckets[i];
860 unsigned long w = cli->cl_write_offset_hist.oh_buckets[i];
863 seq_printf(seq, "%d:\t\t%10lu %3u %3u | %10lu %3u %3u\n",
864 (i == 0) ? 0 : 1 << (i - 1),
865 r, pct(r, read_tot), pct(read_cum, read_tot),
866 w, pct(w, write_tot), pct(write_cum, write_tot));
867 if (read_cum == read_tot && write_cum == write_tot)
871 spin_unlock(&cli->cl_loi_list_lock);
876 static ssize_t osc_rpc_stats_seq_write(struct file *file,
877 const char __user *buf,
878 size_t len, loff_t *off)
880 struct seq_file *seq = file->private_data;
881 struct obd_device *dev = seq->private;
882 struct client_obd *cli = &dev->u.cli;
884 lprocfs_oh_clear(&cli->cl_read_rpc_hist);
885 lprocfs_oh_clear(&cli->cl_write_rpc_hist);
886 lprocfs_oh_clear(&cli->cl_read_page_hist);
887 lprocfs_oh_clear(&cli->cl_write_page_hist);
888 lprocfs_oh_clear(&cli->cl_read_offset_hist);
889 lprocfs_oh_clear(&cli->cl_write_offset_hist);
893 LPROC_SEQ_FOPS(osc_rpc_stats);
895 static int osc_stats_seq_show(struct seq_file *seq, void *v)
897 struct timespec64 now;
898 struct obd_device *dev = seq->private;
899 struct osc_stats *stats = &obd2osc_dev(dev)->od_stats;
901 ktime_get_real_ts64(&now);
903 seq_printf(seq, "snapshot_time: %lld.%09lu (secs.nsecs)\n",
904 (s64)now.tv_sec, now.tv_nsec);
905 seq_printf(seq, "lockless_write_bytes\t\t%llu\n",
906 stats->os_lockless_writes);
907 seq_printf(seq, "lockless_read_bytes\t\t%llu\n",
908 stats->os_lockless_reads);
909 seq_printf(seq, "lockless_truncate\t\t%llu\n",
910 stats->os_lockless_truncates);
914 static ssize_t osc_stats_seq_write(struct file *file,
915 const char __user *buf,
916 size_t len, loff_t *off)
918 struct seq_file *seq = file->private_data;
919 struct obd_device *dev = seq->private;
920 struct osc_stats *stats = &obd2osc_dev(dev)->od_stats;
922 memset(stats, 0, sizeof(*stats));
926 LPROC_SEQ_FOPS(osc_stats);
928 int lprocfs_osc_attach_seqstat(struct obd_device *dev)
932 rc = lprocfs_seq_create(dev->obd_proc_entry, "osc_stats", 0644,
933 &osc_stats_fops, dev);
935 rc = lprocfs_obd_seq_create(dev, "rpc_stats", 0644,
936 &osc_rpc_stats_fops, dev);
940 #endif /* CONFIG_PROC_FS */
942 static struct attribute *osc_attrs[] = {
943 &lustre_attr_active.attr,
944 &lustre_attr_checksums.attr,
945 &lustre_attr_checksum_dump.attr,
946 &lustre_attr_contention_seconds.attr,
947 &lustre_attr_cur_dirty_bytes.attr,
948 &lustre_attr_cur_lost_grant_bytes.attr,
949 &lustre_attr_destroys_in_flight.attr,
950 &lustre_attr_grant_shrink_interval.attr,
951 &lustre_attr_lockless_truncate.attr,
952 &lustre_attr_max_dirty_mb.attr,
953 &lustre_attr_max_rpcs_in_flight.attr,
954 &lustre_attr_short_io_bytes.attr,
955 &lustre_attr_resend_count.attr,
956 &lustre_attr_ost_conn_uuid.attr,
957 &lustre_attr_conn_uuid.attr,
958 &lustre_attr_ping.attr,
959 &lustre_attr_idle_timeout.attr,
960 &lustre_attr_idle_connect.attr,
961 &lustre_attr_grant_shrink.attr,
965 int osc_tunables_init(struct obd_device *obd)
969 obd->obd_vars = lprocfs_osc_obd_vars;
970 obd->obd_ktype.default_attrs = osc_attrs;
971 rc = lprocfs_obd_setup(obd, false);
974 #ifdef CONFIG_PROC_FS
975 /* If the basic OSC proc tree construction succeeded then
978 rc = lprocfs_osc_attach_seqstat(obd);
982 #endif /* CONFIG_PROC_FS */
983 rc = sptlrpc_lprocfs_cliobd_attach(obd);
987 ptlrpc_lprocfs_register_obd(obd);
990 lprocfs_obd_cleanup(obd);