1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/obdclass/lprocfs_status.c
38 * Author: Hariharan Thantry <thantry@users.sourceforge.net>
42 # define EXPORT_SYMTAB
44 #define DEBUG_SUBSYSTEM S_CLASS
47 # include <liblustre.h>
50 #include <obd_class.h>
51 #include <lprocfs_status.h>
52 #include <lustre_fsfilt.h>
53 #include <lustre_log.h>
54 #include <lustre/lustre_idl.h>
58 #define MAX_STRING_SIZE 128
60 /* for bug 10866, global variable */
61 CFS_DECLARE_RWSEM(_lprocfs_lock);
62 EXPORT_SYMBOL(_lprocfs_lock);
64 int lprocfs_seq_release(struct inode *inode, struct file *file)
67 return seq_release(inode, file);
69 EXPORT_SYMBOL(lprocfs_seq_release);
71 struct proc_dir_entry *lprocfs_srch(struct proc_dir_entry *head,
74 struct proc_dir_entry *temp;
81 while (temp != NULL) {
82 if (strcmp(temp->name, name) == 0) {
93 /* lprocfs API calls */
95 /* Function that emulates snprintf but also has the side effect of advancing
96 the page pointer for the next write into the buffer, incrementing the total
97 length written to the buffer, and decrementing the size left in the
99 static int lprocfs_obd_snprintf(char **page, int end, int *len,
100 const char *format, ...)
108 va_start(list, format);
109 n = vsnprintf(*page, end - *len, format, list);
112 *page += n; *len += n;
116 cfs_proc_dir_entry_t *lprocfs_add_simple(struct proc_dir_entry *root,
118 read_proc_t *read_proc,
119 write_proc_t *write_proc,
121 struct file_operations *fops)
123 cfs_proc_dir_entry_t *proc;
126 if (root == NULL || name == NULL)
127 return ERR_PTR(-EINVAL);
134 proc = create_proc_entry(name, mode, root);
136 CERROR("LprocFS: No memory to create /proc entry %s", name);
137 return ERR_PTR(-ENOMEM);
139 proc->read_proc = read_proc;
140 proc->write_proc = write_proc;
143 proc->proc_fops = fops;
147 struct proc_dir_entry *lprocfs_add_symlink(const char *name,
148 struct proc_dir_entry *parent, const char *format, ...)
150 struct proc_dir_entry *entry;
154 if (parent == NULL || format == NULL)
157 OBD_ALLOC_WAIT(dest, MAX_STRING_SIZE + 1);
161 va_start(ap, format);
162 vsnprintf(dest, MAX_STRING_SIZE, format, ap);
165 entry = proc_symlink(name, parent, dest);
167 CERROR("LprocFS: Could not create symbolic link from %s to %s",
170 OBD_FREE(dest, MAX_STRING_SIZE + 1);
174 static ssize_t lprocfs_fops_read(struct file *f, char __user *buf,
175 size_t size, loff_t *ppos)
177 struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
178 char *page, *start = NULL;
179 int rc = 0, eof = 1, count;
181 if (*ppos >= CFS_PAGE_SIZE)
184 page = (char *)__get_free_page(GFP_KERNEL);
188 if (LPROCFS_ENTRY_AND_CHECK(dp)) {
193 OBD_FAIL_TIMEOUT(OBD_FAIL_LPROC_REMOVE, 10);
195 rc = dp->read_proc(page, &start, *ppos, CFS_PAGE_SIZE,
201 /* for lustre proc read, the read count must be less than PAGE_SIZE */
210 start = page + *ppos;
211 } else if (start < page) {
215 count = (rc < size) ? rc : size;
216 if (cfs_copy_to_user(buf, start, count)) {
223 free_page((unsigned long)page);
227 static ssize_t lprocfs_fops_write(struct file *f, const char __user *buf,
228 size_t size, loff_t *ppos)
230 struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
233 if (LPROCFS_ENTRY_AND_CHECK(dp))
236 rc = dp->write_proc(f, buf, size, dp->data);
241 static struct file_operations lprocfs_generic_fops = {
242 .owner = THIS_MODULE,
243 .read = lprocfs_fops_read,
244 .write = lprocfs_fops_write,
247 int lprocfs_evict_client_open(struct inode *inode, struct file *f)
249 struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
250 struct obd_device *obd = dp->data;
252 cfs_atomic_inc(&obd->obd_evict_inprogress);
257 int lprocfs_evict_client_release(struct inode *inode, struct file *f)
259 struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
260 struct obd_device *obd = dp->data;
262 cfs_atomic_dec(&obd->obd_evict_inprogress);
263 cfs_waitq_signal(&obd->obd_evict_inprogress_waitq);
268 struct file_operations lprocfs_evict_client_fops = {
269 .owner = THIS_MODULE,
270 .read = lprocfs_fops_read,
271 .write = lprocfs_fops_write,
272 .open = lprocfs_evict_client_open,
273 .release = lprocfs_evict_client_release,
275 EXPORT_SYMBOL(lprocfs_evict_client_fops);
280 * \param root [in] The parent proc entry on which new entry will be added.
281 * \param list [in] Array of proc entries to be added.
282 * \param data [in] The argument to be passed when entries read/write routines
283 * are called through /proc file.
285 * \retval 0 on success
288 int lprocfs_add_vars(struct proc_dir_entry *root, struct lprocfs_vars *list,
291 if (root == NULL || list == NULL)
294 while (list->name != NULL) {
295 struct proc_dir_entry *cur_root, *proc;
296 char *pathcopy, *cur, *next, pathbuf[64];
297 int pathsize = strlen(list->name) + 1;
302 /* need copy of path for strsep */
303 if (strlen(list->name) > sizeof(pathbuf) - 1) {
304 OBD_ALLOC(pathcopy, pathsize);
305 if (pathcopy == NULL)
312 strcpy(pathcopy, list->name);
314 while (cur_root != NULL && (cur = strsep(&next, "/"))) {
315 if (*cur =='\0') /* skip double/trailing "/" */
318 proc = lprocfs_srch(cur_root, cur);
319 CDEBUG(D_OTHER, "cur_root=%s, cur=%s, next=%s, (%s)\n",
320 cur_root->name, cur, next,
321 (proc ? "exists" : "new"));
323 cur_root = (proc ? proc :
324 proc_mkdir(cur, cur_root));
325 } else if (proc == NULL) {
327 if (list->proc_mode != 0000) {
328 mode = list->proc_mode;
332 if (list->write_fptr)
335 proc = create_proc_entry(cur, mode, cur_root);
339 if (pathcopy != pathbuf)
340 OBD_FREE(pathcopy, pathsize);
342 if (cur_root == NULL || proc == NULL) {
343 CERROR("LprocFS: No memory to create /proc entry %s",
349 proc->proc_fops = list->fops;
351 proc->proc_fops = &lprocfs_generic_fops;
352 proc->read_proc = list->read_fptr;
353 proc->write_proc = list->write_fptr;
354 proc->data = (list->data ? list->data : data);
360 void lprocfs_remove(struct proc_dir_entry **rooth)
362 struct proc_dir_entry *root = *rooth;
363 struct proc_dir_entry *temp = root;
364 struct proc_dir_entry *rm_entry;
365 struct proc_dir_entry *parent;
371 parent = root->parent;
372 LASSERT(parent != NULL);
373 LPROCFS_WRITE_ENTRY(); /* search vs remove race */
376 while (temp->subdir != NULL)
382 /* Memory corruption once caused this to fail, and
383 without this LASSERT we would loop here forever. */
384 LASSERTF(strlen(rm_entry->name) == rm_entry->namelen,
385 "0x%p %s/%s len %d\n", rm_entry, temp->name,
386 rm_entry->name, (int)strlen(rm_entry->name));
388 /* Now, the rm_entry->deleted flags is protected
389 * by _lprocfs_lock. */
390 rm_entry->data = NULL;
391 remove_proc_entry(rm_entry->name, temp);
395 LPROCFS_WRITE_EXIT();
398 void lprocfs_remove_proc_entry(const char *name, struct proc_dir_entry *parent)
400 LASSERT(parent != NULL);
401 remove_proc_entry(name, parent);
404 struct proc_dir_entry *lprocfs_register(const char *name,
405 struct proc_dir_entry *parent,
406 struct lprocfs_vars *list, void *data)
408 struct proc_dir_entry *newchild;
410 newchild = lprocfs_srch(parent, name);
411 if (newchild != NULL) {
412 CERROR(" Lproc: Attempting to register %s more than once \n",
414 return ERR_PTR(-EALREADY);
417 newchild = proc_mkdir(name, parent);
418 if (newchild != NULL && list != NULL) {
419 int rc = lprocfs_add_vars(newchild, list, data);
421 lprocfs_remove(&newchild);
428 /* Generic callbacks */
429 int lprocfs_rd_uint(char *page, char **start, off_t off,
430 int count, int *eof, void *data)
432 unsigned int *temp = data;
433 return snprintf(page, count, "%u\n", *temp);
436 int lprocfs_wr_uint(struct file *file, const char *buffer,
437 unsigned long count, void *data)
440 char dummy[MAX_STRING_SIZE + 1], *end;
443 dummy[MAX_STRING_SIZE] = '\0';
444 if (cfs_copy_from_user(dummy, buffer, MAX_STRING_SIZE))
447 tmp = simple_strtoul(dummy, &end, 0);
451 *p = (unsigned int)tmp;
455 int lprocfs_rd_u64(char *page, char **start, off_t off,
456 int count, int *eof, void *data)
458 LASSERT(data != NULL);
460 return snprintf(page, count, LPU64"\n", *(__u64 *)data);
463 int lprocfs_rd_atomic(char *page, char **start, off_t off,
464 int count, int *eof, void *data)
466 cfs_atomic_t *atom = data;
467 LASSERT(atom != NULL);
469 return snprintf(page, count, "%d\n", cfs_atomic_read(atom));
472 int lprocfs_wr_atomic(struct file *file, const char *buffer,
473 unsigned long count, void *data)
475 cfs_atomic_t *atm = data;
479 rc = lprocfs_write_helper(buffer, count, &val);
486 cfs_atomic_set(atm, val);
490 int lprocfs_rd_uuid(char *page, char **start, off_t off, int count,
491 int *eof, void *data)
493 struct obd_device *obd = data;
495 LASSERT(obd != NULL);
497 return snprintf(page, count, "%s\n", obd->obd_uuid.uuid);
500 int lprocfs_rd_name(char *page, char **start, off_t off, int count,
501 int *eof, void *data)
503 struct obd_device *dev = data;
505 LASSERT(dev != NULL);
506 LASSERT(dev->obd_name != NULL);
508 return snprintf(page, count, "%s\n", dev->obd_name);
511 int lprocfs_rd_fstype(char *page, char **start, off_t off, int count, int *eof,
514 struct obd_device *obd = data;
516 LASSERT(obd != NULL);
517 LASSERT(obd->obd_fsops != NULL);
518 LASSERT(obd->obd_fsops->fs_type != NULL);
519 return snprintf(page, count, "%s\n", obd->obd_fsops->fs_type);
522 int lprocfs_rd_blksize(char *page, char **start, off_t off, int count,
523 int *eof, void *data)
525 struct obd_statfs osfs;
526 int rc = obd_statfs(data, &osfs,
527 cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
531 rc = snprintf(page, count, "%u\n", osfs.os_bsize);
536 int lprocfs_rd_kbytestotal(char *page, char **start, off_t off, int count,
537 int *eof, void *data)
539 struct obd_statfs osfs;
540 int rc = obd_statfs(data, &osfs,
541 cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
544 __u32 blk_size = osfs.os_bsize >> 10;
545 __u64 result = osfs.os_blocks;
547 while (blk_size >>= 1)
551 rc = snprintf(page, count, LPU64"\n", result);
556 int lprocfs_rd_kbytesfree(char *page, char **start, off_t off, int count,
557 int *eof, void *data)
559 struct obd_statfs osfs;
560 int rc = obd_statfs(data, &osfs,
561 cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
564 __u32 blk_size = osfs.os_bsize >> 10;
565 __u64 result = osfs.os_bfree;
567 while (blk_size >>= 1)
571 rc = snprintf(page, count, LPU64"\n", result);
576 int lprocfs_rd_kbytesavail(char *page, char **start, off_t off, int count,
577 int *eof, void *data)
579 struct obd_statfs osfs;
580 int rc = obd_statfs(data, &osfs,
581 cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
584 __u32 blk_size = osfs.os_bsize >> 10;
585 __u64 result = osfs.os_bavail;
587 while (blk_size >>= 1)
591 rc = snprintf(page, count, LPU64"\n", result);
596 int lprocfs_rd_filestotal(char *page, char **start, off_t off, int count,
597 int *eof, void *data)
599 struct obd_statfs osfs;
600 int rc = obd_statfs(data, &osfs,
601 cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
605 rc = snprintf(page, count, LPU64"\n", osfs.os_files);
611 int lprocfs_rd_filesfree(char *page, char **start, off_t off, int count,
612 int *eof, void *data)
614 struct obd_statfs osfs;
615 int rc = obd_statfs(data, &osfs,
616 cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
620 rc = snprintf(page, count, LPU64"\n", osfs.os_ffree);
625 int lprocfs_rd_server_uuid(char *page, char **start, off_t off, int count,
626 int *eof, void *data)
628 struct obd_device *obd = data;
629 struct obd_import *imp;
630 char *imp_state_name = NULL;
633 LASSERT(obd != NULL);
634 LPROCFS_CLIMP_CHECK(obd);
635 imp = obd->u.cli.cl_import;
636 imp_state_name = ptlrpc_import_state_name(imp->imp_state);
638 rc = snprintf(page, count, "%s\t%s%s\n",
639 obd2cli_tgt(obd), imp_state_name,
640 imp->imp_deactive ? "\tDEACTIVATED" : "");
642 LPROCFS_CLIMP_EXIT(obd);
646 int lprocfs_rd_conn_uuid(char *page, char **start, off_t off, int count,
647 int *eof, void *data)
649 struct obd_device *obd = data;
650 struct ptlrpc_connection *conn;
653 LASSERT(obd != NULL);
655 LPROCFS_CLIMP_CHECK(obd);
656 conn = obd->u.cli.cl_import->imp_connection;
658 if (conn && obd->u.cli.cl_import) {
659 rc = snprintf(page, count, "%s\n",
660 conn->c_remote_uuid.uuid);
662 rc = snprintf(page, count, "%s\n", "<none>");
665 LPROCFS_CLIMP_EXIT(obd);
669 /** add up per-cpu counters */
670 void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
671 struct lprocfs_counter *cnt)
673 unsigned int num_cpu;
674 struct lprocfs_counter t;
675 struct lprocfs_counter *percpu_cntr;
678 memset(cnt, 0, sizeof(*cnt));
681 /* set count to 1 to avoid divide-by-zero errs in callers */
686 cnt->lc_min = LC_MIN_INIT;
688 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU)
691 num_cpu = cfs_num_possible_cpus();
693 for (i = 0; i < num_cpu; i++) {
694 percpu_cntr = &(stats->ls_percpu[i])->lp_cntr[idx];
697 centry = cfs_atomic_read(&percpu_cntr-> \
699 t.lc_count = percpu_cntr->lc_count;
700 t.lc_sum = percpu_cntr->lc_sum;
701 t.lc_min = percpu_cntr->lc_min;
702 t.lc_max = percpu_cntr->lc_max;
703 t.lc_sumsquare = percpu_cntr->lc_sumsquare;
704 } while (centry != cfs_atomic_read(&percpu_cntr->lc_cntl. \
706 centry != cfs_atomic_read(&percpu_cntr->lc_cntl. \
708 cnt->lc_count += t.lc_count;
709 cnt->lc_sum += t.lc_sum;
710 if (t.lc_min < cnt->lc_min)
711 cnt->lc_min = t.lc_min;
712 if (t.lc_max > cnt->lc_max)
713 cnt->lc_max = t.lc_max;
714 cnt->lc_sumsquare += t.lc_sumsquare;
717 cnt->lc_units = stats->ls_percpu[0]->lp_cntr[idx].lc_units;
721 * Append a space separated list of current set flags to str.
723 #define flag2str(flag) \
724 if (imp->imp_##flag && max - len > 0) \
725 len += snprintf(str + len, max - len, "%s" #flag, len ? ", " : "");
726 static int obd_import_flags2str(struct obd_import *imp, char *str, int max)
730 if (imp->imp_obd->obd_no_recov)
731 len += snprintf(str, max - len, "no_recov");
735 flag2str(replayable);
741 static const char *obd_connect_names[] = {
755 "join_file(obsolete)",
759 "remote_client_by_force",
768 "mds_mds_connection",
771 "alt_checksum_algorithm",
783 static int obd_connect_flags2str(char *page, int count, __u64 flags, char *sep)
788 for (i = 0; obd_connect_names[i] != NULL; i++, mask <<= 1) {
790 ret += snprintf(page + ret, count - ret, "%s%s",
791 ret ? sep : "", obd_connect_names[i]);
793 if (flags & ~(mask - 1))
794 ret += snprintf(page + ret, count - ret,
795 "%sunknown flags "LPX64,
796 ret ? sep : "", flags & ~(mask - 1));
800 int lprocfs_rd_import(char *page, char **start, off_t off, int count,
801 int *eof, void *data)
803 struct lprocfs_counter ret;
804 struct obd_device *obd = (struct obd_device *)data;
805 struct obd_import *imp;
806 struct obd_import_conn *conn;
809 LASSERT(obd != NULL);
810 LPROCFS_CLIMP_CHECK(obd);
811 imp = obd->u.cli.cl_import;
814 i = snprintf(page, count,
822 ptlrpc_import_state_name(imp->imp_state));
823 i += obd_connect_flags2str(page + i, count - i,
824 imp->imp_connect_data.ocd_connect_flags,
826 i += snprintf(page + i, count - i,
829 i += obd_import_flags2str(imp, page + i, count - i);
831 i += snprintf(page + i, count - i,
834 " failover_nids: [");
835 cfs_spin_lock(&imp->imp_lock);
837 cfs_list_for_each_entry(conn, &imp->imp_conn_list, oic_item) {
838 i += snprintf(page + i, count - i, "%s%s", j ? ", " : "",
839 libcfs_nid2str(conn->oic_conn->c_peer.nid));
842 cfs_spin_unlock(&imp->imp_lock);
843 i += snprintf(page + i, count - i,
845 " current_connection: %s\n"
846 " connection_attempts: %u\n"
848 " in-progress_invalidations: %u\n",
849 libcfs_nid2str(imp->imp_connection->c_peer.nid),
852 cfs_atomic_read(&imp->imp_inval_count));
854 lprocfs_stats_collect(obd->obd_svc_stats, PTLRPC_REQWAIT_CNTR, &ret);
855 if (ret.lc_count != 0) {
856 /* first argument to do_div MUST be __u64 */
857 __u64 sum = ret.lc_sum;
858 do_div(sum, ret.lc_count);
862 i += snprintf(page + i, count - i,
865 " unregistering: %u\n"
867 " avg_waittime: "LPU64" %s\n",
868 cfs_atomic_read(&imp->imp_inflight),
869 cfs_atomic_read(&imp->imp_unregistering),
870 cfs_atomic_read(&imp->imp_timeouts),
871 ret.lc_sum, ret.lc_units);
874 for(j = 0; j < IMP_AT_MAX_PORTALS; j++) {
875 if (imp->imp_at.iat_portal[j] == 0)
877 k = max_t(unsigned int, k,
878 at_get(&imp->imp_at.iat_service_estimate[j]));
880 i += snprintf(page + i, count - i,
881 " service_estimates:\n"
882 " services: %u sec\n"
883 " network: %u sec\n",
885 at_get(&imp->imp_at.iat_net_latency));
887 i += snprintf(page + i, count - i,
889 " last_replay: "LPU64"\n"
890 " peer_committed: "LPU64"\n"
891 " last_checked: "LPU64"\n",
892 imp->imp_last_replay_transno,
893 imp->imp_peer_committed_transno,
894 imp->imp_last_transno_checked);
897 for (rw = 0; rw <= 1; rw++) {
898 lprocfs_stats_collect(obd->obd_svc_stats,
899 PTLRPC_LAST_CNTR + BRW_READ_BYTES + rw,
901 if (ret.lc_sum > 0 && ret.lc_count > 0) {
902 /* first argument to do_div MUST be __u64 */
903 __u64 sum = ret.lc_sum;
904 do_div(sum, ret.lc_count);
906 i += snprintf(page + i, count - i,
907 " %s_data_averages:\n"
908 " bytes_per_rpc: "LPU64"\n",
909 rw ? "write" : "read",
913 j = opcode_offset(OST_READ + rw) + EXTRA_MAX_OPCODES;
914 lprocfs_stats_collect(obd->obd_svc_stats, j, &ret);
915 if (ret.lc_sum > 0 && ret.lc_count != 0) {
916 /* first argument to do_div MUST be __u64 */
917 __u64 sum = ret.lc_sum;
918 do_div(sum, ret.lc_count);
920 i += snprintf(page + i, count - i,
921 " %s_per_rpc: "LPU64"\n",
922 ret.lc_units, ret.lc_sum);
925 i += snprintf(page + i, count - i,
926 " MB_per_sec: %u.%.02u\n",
927 k / j, (100 * k / j) % 100);
931 LPROCFS_CLIMP_EXIT(obd);
935 int lprocfs_rd_state(char *page, char **start, off_t off, int count,
936 int *eof, void *data)
938 struct obd_device *obd = (struct obd_device *)data;
939 struct obd_import *imp;
942 LASSERT(obd != NULL);
943 LPROCFS_CLIMP_CHECK(obd);
944 imp = obd->u.cli.cl_import;
947 i = snprintf(page, count, "current_state: %s\n",
948 ptlrpc_import_state_name(imp->imp_state));
949 i += snprintf(page + i, count - i,
951 k = imp->imp_state_hist_idx;
952 for (j = 0; j < IMP_STATE_HIST_LEN; j++) {
953 struct import_state_hist *ish =
954 &imp->imp_state_hist[(k + j) % IMP_STATE_HIST_LEN];
955 if (ish->ish_state == 0)
957 i += snprintf(page + i, count - i, " - ["CFS_TIME_T", %s]\n",
959 ptlrpc_import_state_name(ish->ish_state));
962 LPROCFS_CLIMP_EXIT(obd);
966 int lprocfs_at_hist_helper(char *page, int count, int rc,
967 struct adaptive_timeout *at)
970 for (i = 0; i < AT_BINS; i++)
971 rc += snprintf(page + rc, count - rc, "%3u ", at->at_hist[i]);
972 rc += snprintf(page + rc, count - rc, "\n");
976 /* See also ptlrpc_lprocfs_rd_timeouts */
977 int lprocfs_rd_timeouts(char *page, char **start, off_t off, int count,
978 int *eof, void *data)
980 struct obd_device *obd = (struct obd_device *)data;
981 struct obd_import *imp;
982 unsigned int cur, worst;
987 LASSERT(obd != NULL);
988 LPROCFS_CLIMP_CHECK(obd);
989 imp = obd->u.cli.cl_import;
992 now = cfs_time_current_sec();
994 /* Some network health info for kicks */
995 s2dhms(&ts, now - imp->imp_last_reply_time);
996 rc += snprintf(page + rc, count - rc,
997 "%-10s : %ld, "DHMS_FMT" ago\n",
998 "last reply", imp->imp_last_reply_time, DHMS_VARS(&ts));
1000 cur = at_get(&imp->imp_at.iat_net_latency);
1001 worst = imp->imp_at.iat_net_latency.at_worst_ever;
1002 worstt = imp->imp_at.iat_net_latency.at_worst_time;
1003 s2dhms(&ts, now - worstt);
1004 rc += snprintf(page + rc, count - rc,
1005 "%-10s : cur %3u worst %3u (at %ld, "DHMS_FMT" ago) ",
1006 "network", cur, worst, worstt, DHMS_VARS(&ts));
1007 rc = lprocfs_at_hist_helper(page, count, rc,
1008 &imp->imp_at.iat_net_latency);
1010 for(i = 0; i < IMP_AT_MAX_PORTALS; i++) {
1011 if (imp->imp_at.iat_portal[i] == 0)
1013 cur = at_get(&imp->imp_at.iat_service_estimate[i]);
1014 worst = imp->imp_at.iat_service_estimate[i].at_worst_ever;
1015 worstt = imp->imp_at.iat_service_estimate[i].at_worst_time;
1016 s2dhms(&ts, now - worstt);
1017 rc += snprintf(page + rc, count - rc,
1018 "portal %-2d : cur %3u worst %3u (at %ld, "
1019 DHMS_FMT" ago) ", imp->imp_at.iat_portal[i],
1020 cur, worst, worstt, DHMS_VARS(&ts));
1021 rc = lprocfs_at_hist_helper(page, count, rc,
1022 &imp->imp_at.iat_service_estimate[i]);
1025 LPROCFS_CLIMP_EXIT(obd);
1029 int lprocfs_rd_connect_flags(char *page, char **start, off_t off,
1030 int count, int *eof, void *data)
1032 struct obd_device *obd = data;
1036 LPROCFS_CLIMP_CHECK(obd);
1037 flags = obd->u.cli.cl_import->imp_connect_data.ocd_connect_flags;
1038 ret = snprintf(page, count, "flags="LPX64"\n", flags);
1039 ret += obd_connect_flags2str(page + ret, count - ret, flags, "\n");
1040 ret += snprintf(page + ret, count - ret, "\n");
1041 LPROCFS_CLIMP_EXIT(obd);
1044 EXPORT_SYMBOL(lprocfs_rd_connect_flags);
1046 int lprocfs_rd_num_exports(char *page, char **start, off_t off, int count,
1047 int *eof, void *data)
1049 struct obd_device *obd = data;
1051 LASSERT(obd != NULL);
1053 return snprintf(page, count, "%u\n", obd->obd_num_exports);
1056 int lprocfs_rd_numrefs(char *page, char **start, off_t off, int count,
1057 int *eof, void *data)
1059 struct obd_type *class = (struct obd_type*) data;
1061 LASSERT(class != NULL);
1063 return snprintf(page, count, "%d\n", class->typ_refcnt);
1066 int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list)
1070 LASSERT(obd != NULL);
1071 LASSERT(obd->obd_magic == OBD_DEVICE_MAGIC);
1072 LASSERT(obd->obd_type->typ_procroot != NULL);
1074 obd->obd_proc_entry = lprocfs_register(obd->obd_name,
1075 obd->obd_type->typ_procroot,
1077 if (IS_ERR(obd->obd_proc_entry)) {
1078 rc = PTR_ERR(obd->obd_proc_entry);
1079 CERROR("error %d setting up lprocfs for %s\n",rc,obd->obd_name);
1080 obd->obd_proc_entry = NULL;
1085 int lprocfs_obd_cleanup(struct obd_device *obd)
1089 if (obd->obd_proc_exports_entry) {
1090 /* Should be no exports left */
1091 LASSERT(obd->obd_proc_exports_entry->subdir == NULL);
1092 lprocfs_remove(&obd->obd_proc_exports_entry);
1093 obd->obd_proc_exports_entry = NULL;
1095 if (obd->obd_proc_entry) {
1096 lprocfs_remove(&obd->obd_proc_entry);
1097 obd->obd_proc_entry = NULL;
1102 static void lprocfs_free_client_stats(struct nid_stat *client_stat)
1104 CDEBUG(D_CONFIG, "stat %p - data %p/%p/%p\n", client_stat,
1105 client_stat->nid_proc, client_stat->nid_stats,
1106 client_stat->nid_brw_stats);
1108 LASSERTF(cfs_atomic_read(&client_stat->nid_exp_ref_count) == 0,
1110 cfs_atomic_read(&client_stat->nid_exp_ref_count));
1112 cfs_hlist_del_init(&client_stat->nid_hash);
1114 if (client_stat->nid_proc)
1115 lprocfs_remove(&client_stat->nid_proc);
1117 if (client_stat->nid_stats)
1118 lprocfs_free_stats(&client_stat->nid_stats);
1120 if (client_stat->nid_brw_stats)
1121 OBD_FREE_PTR(client_stat->nid_brw_stats);
1123 if (client_stat->nid_ldlm_stats)
1124 lprocfs_free_stats(&client_stat->nid_ldlm_stats);
1126 OBD_FREE_PTR(client_stat);
1131 void lprocfs_free_per_client_stats(struct obd_device *obd)
1133 struct nid_stat *stat;
1136 /* we need extra list - because hash_exit called to early */
1137 /* not need locking because all clients is died */
1138 while(!cfs_list_empty(&obd->obd_nid_stats)) {
1139 stat = cfs_list_entry(obd->obd_nid_stats.next,
1140 struct nid_stat, nid_list);
1141 cfs_list_del_init(&stat->nid_list);
1142 lprocfs_free_client_stats(stat);
1148 struct lprocfs_stats *lprocfs_alloc_stats(unsigned int num,
1149 enum lprocfs_stats_flags flags)
1151 struct lprocfs_stats *stats;
1152 unsigned int percpusize;
1154 unsigned int num_cpu;
1159 if (flags & LPROCFS_STATS_FLAG_NOPERCPU)
1162 num_cpu = cfs_num_possible_cpus();
1164 OBD_ALLOC(stats, offsetof(typeof(*stats), ls_percpu[num_cpu]));
1168 if (flags & LPROCFS_STATS_FLAG_NOPERCPU) {
1169 stats->ls_flags = flags;
1170 cfs_spin_lock_init(&stats->ls_lock);
1171 /* Use this lock only if there are no percpu areas */
1173 stats->ls_flags = 0;
1176 percpusize = offsetof(struct lprocfs_percpu, lp_cntr[num]);
1178 percpusize = CFS_L1_CACHE_ALIGN(percpusize);
1180 for (i = 0; i < num_cpu; i++) {
1181 OBD_ALLOC(stats->ls_percpu[i], percpusize);
1182 if (stats->ls_percpu[i] == NULL) {
1183 for (j = 0; j < i; j++) {
1184 OBD_FREE(stats->ls_percpu[j], percpusize);
1185 stats->ls_percpu[j] = NULL;
1190 if (stats->ls_percpu[0] == NULL) {
1191 OBD_FREE(stats, offsetof(typeof(*stats),
1192 ls_percpu[num_cpu]));
1196 stats->ls_num = num;
1200 void lprocfs_free_stats(struct lprocfs_stats **statsh)
1202 struct lprocfs_stats *stats = *statsh;
1203 unsigned int num_cpu;
1204 unsigned int percpusize;
1207 if (stats == NULL || stats->ls_num == 0)
1211 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU)
1214 num_cpu = cfs_num_possible_cpus();
1216 percpusize = offsetof(struct lprocfs_percpu, lp_cntr[stats->ls_num]);
1218 percpusize = CFS_L1_CACHE_ALIGN(percpusize);
1219 for (i = 0; i < num_cpu; i++)
1220 OBD_FREE(stats->ls_percpu[i], percpusize);
1221 OBD_FREE(stats, offsetof(typeof(*stats), ls_percpu[num_cpu]));
1224 void lprocfs_clear_stats(struct lprocfs_stats *stats)
1226 struct lprocfs_counter *percpu_cntr;
1228 unsigned int num_cpu;
1230 num_cpu = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU);
1232 for (i = 0; i < num_cpu; i++) {
1233 for (j = 0; j < stats->ls_num; j++) {
1234 percpu_cntr = &(stats->ls_percpu[i])->lp_cntr[j];
1235 cfs_atomic_inc(&percpu_cntr->lc_cntl.la_entry);
1236 percpu_cntr->lc_count = 0;
1237 percpu_cntr->lc_sum = 0;
1238 percpu_cntr->lc_min = LC_MIN_INIT;
1239 percpu_cntr->lc_max = 0;
1240 percpu_cntr->lc_sumsquare = 0;
1241 cfs_atomic_inc(&percpu_cntr->lc_cntl.la_exit);
1245 lprocfs_stats_unlock(stats);
1248 static ssize_t lprocfs_stats_seq_write(struct file *file, const char *buf,
1249 size_t len, loff_t *off)
1251 struct seq_file *seq = file->private_data;
1252 struct lprocfs_stats *stats = seq->private;
1254 lprocfs_clear_stats(stats);
1259 static void *lprocfs_stats_seq_start(struct seq_file *p, loff_t *pos)
1261 struct lprocfs_stats *stats = p->private;
1262 /* return 1st cpu location */
1263 return (*pos >= stats->ls_num) ? NULL :
1264 &(stats->ls_percpu[0]->lp_cntr[*pos]);
1267 static void lprocfs_stats_seq_stop(struct seq_file *p, void *v)
1271 static void *lprocfs_stats_seq_next(struct seq_file *p, void *v, loff_t *pos)
1273 struct lprocfs_stats *stats = p->private;
1275 return (*pos >= stats->ls_num) ? NULL :
1276 &(stats->ls_percpu[0]->lp_cntr[*pos]);
1279 /* seq file export of one lprocfs counter */
1280 static int lprocfs_stats_seq_show(struct seq_file *p, void *v)
1282 struct lprocfs_stats *stats = p->private;
1283 struct lprocfs_counter *cntr = v;
1284 struct lprocfs_counter ret;
1287 if (cntr == &(stats->ls_percpu[0])->lp_cntr[0]) {
1289 cfs_gettimeofday(&now);
1290 rc = seq_printf(p, "%-25s %lu.%lu secs.usecs\n",
1291 "snapshot_time", now.tv_sec, now.tv_usec);
1295 idx = cntr - &(stats->ls_percpu[0])->lp_cntr[0];
1297 lprocfs_stats_collect(stats, idx, &ret);
1299 if (ret.lc_count == 0)
1302 rc = seq_printf(p, "%-25s "LPD64" samples [%s]", cntr->lc_name,
1303 ret.lc_count, cntr->lc_units);
1308 if ((cntr->lc_config & LPROCFS_CNTR_AVGMINMAX) && (ret.lc_count > 0)) {
1309 rc = seq_printf(p, " "LPD64" "LPD64" "LPD64,
1310 ret.lc_min, ret.lc_max, ret.lc_sum);
1313 if (cntr->lc_config & LPROCFS_CNTR_STDDEV)
1314 rc = seq_printf(p, " "LPD64, ret.lc_sumsquare);
1318 rc = seq_printf(p, "\n");
1320 return (rc < 0) ? rc : 0;
1323 struct seq_operations lprocfs_stats_seq_sops = {
1324 start: lprocfs_stats_seq_start,
1325 stop: lprocfs_stats_seq_stop,
1326 next: lprocfs_stats_seq_next,
1327 show: lprocfs_stats_seq_show,
1330 static int lprocfs_stats_seq_open(struct inode *inode, struct file *file)
1332 struct proc_dir_entry *dp = PDE(inode);
1333 struct seq_file *seq;
1336 if (LPROCFS_ENTRY_AND_CHECK(dp))
1339 rc = seq_open(file, &lprocfs_stats_seq_sops);
1344 seq = file->private_data;
1345 seq->private = dp->data;
1349 struct file_operations lprocfs_stats_seq_fops = {
1350 .owner = THIS_MODULE,
1351 .open = lprocfs_stats_seq_open,
1353 .write = lprocfs_stats_seq_write,
1354 .llseek = seq_lseek,
1355 .release = lprocfs_seq_release,
1358 int lprocfs_register_stats(struct proc_dir_entry *root, const char *name,
1359 struct lprocfs_stats *stats)
1361 struct proc_dir_entry *entry;
1362 LASSERT(root != NULL);
1364 entry = create_proc_entry(name, 0644, root);
1367 entry->proc_fops = &lprocfs_stats_seq_fops;
1368 entry->data = stats;
1372 void lprocfs_counter_init(struct lprocfs_stats *stats, int index,
1373 unsigned conf, const char *name, const char *units)
1375 struct lprocfs_counter *c;
1377 unsigned int num_cpu;
1379 LASSERT(stats != NULL);
1381 num_cpu = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU);
1383 for (i = 0; i < num_cpu; i++) {
1384 c = &(stats->ls_percpu[i]->lp_cntr[index]);
1385 c->lc_config = conf;
1388 c->lc_min = LC_MIN_INIT;
1391 c->lc_units = units;
1394 lprocfs_stats_unlock(stats);
1396 EXPORT_SYMBOL(lprocfs_counter_init);
1398 #define LPROCFS_OBD_OP_INIT(base, stats, op) \
1400 unsigned int coffset = base + OBD_COUNTER_OFFSET(op); \
1401 LASSERT(coffset < stats->ls_num); \
1402 lprocfs_counter_init(stats, coffset, 0, #op, "reqs"); \
1405 void lprocfs_init_ops_stats(int num_private_stats, struct lprocfs_stats *stats)
1407 LPROCFS_OBD_OP_INIT(num_private_stats, stats, iocontrol);
1408 LPROCFS_OBD_OP_INIT(num_private_stats, stats, get_info);
1409 LPROCFS_OBD_OP_INIT(num_private_stats, stats, set_info_async);
1410 LPROCFS_OBD_OP_INIT(num_private_stats, stats, attach);
1411 LPROCFS_OBD_OP_INIT(num_private_stats, stats, detach);
1412 LPROCFS_OBD_OP_INIT(num_private_stats, stats, setup);
1413 LPROCFS_OBD_OP_INIT(num_private_stats, stats, precleanup);
1414 LPROCFS_OBD_OP_INIT(num_private_stats, stats, cleanup);
1415 LPROCFS_OBD_OP_INIT(num_private_stats, stats, process_config);
1416 LPROCFS_OBD_OP_INIT(num_private_stats, stats, postrecov);
1417 LPROCFS_OBD_OP_INIT(num_private_stats, stats, add_conn);
1418 LPROCFS_OBD_OP_INIT(num_private_stats, stats, del_conn);
1419 LPROCFS_OBD_OP_INIT(num_private_stats, stats, connect);
1420 LPROCFS_OBD_OP_INIT(num_private_stats, stats, reconnect);
1421 LPROCFS_OBD_OP_INIT(num_private_stats, stats, disconnect);
1422 LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_init);
1423 LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_fini);
1424 LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_alloc);
1425 LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_delete);
1426 LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs);
1427 LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs_async);
1428 LPROCFS_OBD_OP_INIT(num_private_stats, stats, packmd);
1429 LPROCFS_OBD_OP_INIT(num_private_stats, stats, unpackmd);
1430 LPROCFS_OBD_OP_INIT(num_private_stats, stats, preallocate);
1431 LPROCFS_OBD_OP_INIT(num_private_stats, stats, precreate);
1432 LPROCFS_OBD_OP_INIT(num_private_stats, stats, create);
1433 LPROCFS_OBD_OP_INIT(num_private_stats, stats, create_async);
1434 LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy);
1435 LPROCFS_OBD_OP_INIT(num_private_stats, stats, setattr);
1436 LPROCFS_OBD_OP_INIT(num_private_stats, stats, setattr_async);
1437 LPROCFS_OBD_OP_INIT(num_private_stats, stats, getattr);
1438 LPROCFS_OBD_OP_INIT(num_private_stats, stats, getattr_async);
1439 LPROCFS_OBD_OP_INIT(num_private_stats, stats, brw);
1440 LPROCFS_OBD_OP_INIT(num_private_stats, stats, merge_lvb);
1441 LPROCFS_OBD_OP_INIT(num_private_stats, stats, adjust_kms);
1442 LPROCFS_OBD_OP_INIT(num_private_stats, stats, punch);
1443 LPROCFS_OBD_OP_INIT(num_private_stats, stats, sync);
1444 LPROCFS_OBD_OP_INIT(num_private_stats, stats, migrate);
1445 LPROCFS_OBD_OP_INIT(num_private_stats, stats, copy);
1446 LPROCFS_OBD_OP_INIT(num_private_stats, stats, iterate);
1447 LPROCFS_OBD_OP_INIT(num_private_stats, stats, preprw);
1448 LPROCFS_OBD_OP_INIT(num_private_stats, stats, commitrw);
1449 LPROCFS_OBD_OP_INIT(num_private_stats, stats, enqueue);
1450 LPROCFS_OBD_OP_INIT(num_private_stats, stats, change_cbdata);
1451 LPROCFS_OBD_OP_INIT(num_private_stats, stats, find_cbdata);
1452 LPROCFS_OBD_OP_INIT(num_private_stats, stats, cancel);
1453 LPROCFS_OBD_OP_INIT(num_private_stats, stats, cancel_unused);
1454 LPROCFS_OBD_OP_INIT(num_private_stats, stats, init_export);
1455 LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy_export);
1456 LPROCFS_OBD_OP_INIT(num_private_stats, stats, extent_calc);
1457 LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_init);
1458 LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_connect);
1459 LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_finish);
1460 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pin);
1461 LPROCFS_OBD_OP_INIT(num_private_stats, stats, unpin);
1462 LPROCFS_OBD_OP_INIT(num_private_stats, stats, import_event);
1463 LPROCFS_OBD_OP_INIT(num_private_stats, stats, notify);
1464 LPROCFS_OBD_OP_INIT(num_private_stats, stats, health_check);
1465 LPROCFS_OBD_OP_INIT(num_private_stats, stats, get_uuid);
1466 LPROCFS_OBD_OP_INIT(num_private_stats, stats, quotacheck);
1467 LPROCFS_OBD_OP_INIT(num_private_stats, stats, quotactl);
1468 LPROCFS_OBD_OP_INIT(num_private_stats, stats, quota_adjust_qunit);
1469 LPROCFS_OBD_OP_INIT(num_private_stats, stats, ping);
1470 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_new);
1471 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_rem);
1472 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_add);
1473 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_del);
1474 LPROCFS_OBD_OP_INIT(num_private_stats, stats, getref);
1475 LPROCFS_OBD_OP_INIT(num_private_stats, stats, putref);
1478 int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
1480 struct lprocfs_stats *stats;
1481 unsigned int num_stats;
1484 LASSERT(obd->obd_stats == NULL);
1485 LASSERT(obd->obd_proc_entry != NULL);
1486 LASSERT(obd->obd_cntr_base == 0);
1488 num_stats = ((int)sizeof(*obd->obd_type->typ_dt_ops) / sizeof(void *)) +
1489 num_private_stats - 1 /* o_owner */;
1490 stats = lprocfs_alloc_stats(num_stats, 0);
1494 lprocfs_init_ops_stats(num_private_stats, stats);
1496 for (i = num_private_stats; i < num_stats; i++) {
1497 /* If this LBUGs, it is likely that an obd
1498 * operation was added to struct obd_ops in
1499 * <obd.h>, and that the corresponding line item
1500 * LPROCFS_OBD_OP_INIT(.., .., opname)
1501 * is missing from the list above. */
1502 LASSERTF(stats->ls_percpu[0]->lp_cntr[i].lc_name != NULL,
1503 "Missing obd_stat initializer obd_op "
1504 "operation at offset %d.\n", i - num_private_stats);
1506 rc = lprocfs_register_stats(obd->obd_proc_entry, "stats", stats);
1508 lprocfs_free_stats(&stats);
1510 obd->obd_stats = stats;
1511 obd->obd_cntr_base = num_private_stats;
1516 void lprocfs_free_obd_stats(struct obd_device *obd)
1519 lprocfs_free_stats(&obd->obd_stats);
1522 #define LPROCFS_MD_OP_INIT(base, stats, op) \
1524 unsigned int coffset = base + MD_COUNTER_OFFSET(op); \
1525 LASSERT(coffset < stats->ls_num); \
1526 lprocfs_counter_init(stats, coffset, 0, #op, "reqs"); \
1529 int lprocfs_alloc_md_stats(struct obd_device *obd,
1530 unsigned num_private_stats)
1532 struct lprocfs_stats *stats;
1533 unsigned int num_stats;
1536 LASSERT(obd->md_stats == NULL);
1537 LASSERT(obd->obd_proc_entry != NULL);
1538 LASSERT(obd->md_cntr_base == 0);
1540 num_stats = 1 + MD_COUNTER_OFFSET(revalidate_lock) +
1542 stats = lprocfs_alloc_stats(num_stats, 0);
1546 LPROCFS_MD_OP_INIT(num_private_stats, stats, getstatus);
1547 LPROCFS_MD_OP_INIT(num_private_stats, stats, change_cbdata);
1548 LPROCFS_MD_OP_INIT(num_private_stats, stats, find_cbdata);
1549 LPROCFS_MD_OP_INIT(num_private_stats, stats, close);
1550 LPROCFS_MD_OP_INIT(num_private_stats, stats, create);
1551 LPROCFS_MD_OP_INIT(num_private_stats, stats, done_writing);
1552 LPROCFS_MD_OP_INIT(num_private_stats, stats, enqueue);
1553 LPROCFS_MD_OP_INIT(num_private_stats, stats, getattr);
1554 LPROCFS_MD_OP_INIT(num_private_stats, stats, getattr_name);
1555 LPROCFS_MD_OP_INIT(num_private_stats, stats, intent_lock);
1556 LPROCFS_MD_OP_INIT(num_private_stats, stats, link);
1557 LPROCFS_MD_OP_INIT(num_private_stats, stats, rename);
1558 LPROCFS_MD_OP_INIT(num_private_stats, stats, is_subdir);
1559 LPROCFS_MD_OP_INIT(num_private_stats, stats, setattr);
1560 LPROCFS_MD_OP_INIT(num_private_stats, stats, sync);
1561 LPROCFS_MD_OP_INIT(num_private_stats, stats, readpage);
1562 LPROCFS_MD_OP_INIT(num_private_stats, stats, unlink);
1563 LPROCFS_MD_OP_INIT(num_private_stats, stats, setxattr);
1564 LPROCFS_MD_OP_INIT(num_private_stats, stats, getxattr);
1565 LPROCFS_MD_OP_INIT(num_private_stats, stats, init_ea_size);
1566 LPROCFS_MD_OP_INIT(num_private_stats, stats, get_lustre_md);
1567 LPROCFS_MD_OP_INIT(num_private_stats, stats, free_lustre_md);
1568 LPROCFS_MD_OP_INIT(num_private_stats, stats, set_open_replay_data);
1569 LPROCFS_MD_OP_INIT(num_private_stats, stats, clear_open_replay_data);
1570 LPROCFS_MD_OP_INIT(num_private_stats, stats, set_lock_data);
1571 LPROCFS_MD_OP_INIT(num_private_stats, stats, lock_match);
1572 LPROCFS_MD_OP_INIT(num_private_stats, stats, cancel_unused);
1573 LPROCFS_MD_OP_INIT(num_private_stats, stats, renew_capa);
1574 LPROCFS_MD_OP_INIT(num_private_stats, stats, unpack_capa);
1575 LPROCFS_MD_OP_INIT(num_private_stats, stats, get_remote_perm);
1576 LPROCFS_MD_OP_INIT(num_private_stats, stats, intent_getattr_async);
1577 LPROCFS_MD_OP_INIT(num_private_stats, stats, revalidate_lock);
1579 for (i = num_private_stats; i < num_stats; i++) {
1580 if (stats->ls_percpu[0]->lp_cntr[i].lc_name == NULL) {
1581 CERROR("Missing md_stat initializer md_op "
1582 "operation at offset %d. Aborting.\n",
1583 i - num_private_stats);
1587 rc = lprocfs_register_stats(obd->obd_proc_entry, "md_stats", stats);
1589 lprocfs_free_stats(&stats);
1591 obd->md_stats = stats;
1592 obd->md_cntr_base = num_private_stats;
1597 void lprocfs_free_md_stats(struct obd_device *obd)
1599 struct lprocfs_stats *stats = obd->md_stats;
1601 if (stats != NULL) {
1602 obd->md_stats = NULL;
1603 obd->md_cntr_base = 0;
1604 lprocfs_free_stats(&stats);
1608 void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats)
1610 lprocfs_counter_init(ldlm_stats,
1611 LDLM_ENQUEUE - LDLM_FIRST_OPC,
1612 0, "ldlm_enqueue", "reqs");
1613 lprocfs_counter_init(ldlm_stats,
1614 LDLM_CONVERT - LDLM_FIRST_OPC,
1615 0, "ldlm_convert", "reqs");
1616 lprocfs_counter_init(ldlm_stats,
1617 LDLM_CANCEL - LDLM_FIRST_OPC,
1618 0, "ldlm_cancel", "reqs");
1619 lprocfs_counter_init(ldlm_stats,
1620 LDLM_BL_CALLBACK - LDLM_FIRST_OPC,
1621 0, "ldlm_bl_callback", "reqs");
1622 lprocfs_counter_init(ldlm_stats,
1623 LDLM_CP_CALLBACK - LDLM_FIRST_OPC,
1624 0, "ldlm_cp_callback", "reqs");
1625 lprocfs_counter_init(ldlm_stats,
1626 LDLM_GL_CALLBACK - LDLM_FIRST_OPC,
1627 0, "ldlm_gl_callback", "reqs");
1630 int lprocfs_exp_rd_nid(char *page, char **start, off_t off, int count,
1631 int *eof, void *data)
1633 struct obd_export *exp = data;
1634 LASSERT(exp != NULL);
1636 return snprintf(page, count, "%s\n", obd_export_nid2str(exp));
1639 struct exp_uuid_cb_data {
1647 lprocfs_exp_rd_cb_data_init(struct exp_uuid_cb_data *cb_data, char *page,
1648 int count, int *eof, int *len)
1650 cb_data->page = page;
1651 cb_data->count = count;
1656 int lprocfs_exp_print_uuid(cfs_hash_t *hs, cfs_hash_bd_t *bd,
1657 cfs_hlist_node_t *hnode, void *cb_data)
1660 struct obd_export *exp = cfs_hash_object(hs, hnode);
1661 struct exp_uuid_cb_data *data = (struct exp_uuid_cb_data *)cb_data;
1663 if (exp->exp_nid_stats)
1664 *data->len += snprintf((data->page + *data->len),
1665 data->count, "%s\n",
1666 obd_uuid2str(&exp->exp_client_uuid));
1670 int lprocfs_exp_rd_uuid(char *page, char **start, off_t off, int count,
1671 int *eof, void *data)
1673 struct nid_stat *stats = (struct nid_stat *)data;
1674 struct exp_uuid_cb_data cb_data;
1675 struct obd_device *obd = stats->nid_obd;
1680 lprocfs_exp_rd_cb_data_init(&cb_data, page, count, eof, &len);
1681 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
1682 lprocfs_exp_print_uuid, &cb_data);
1683 return (*cb_data.len);
1686 int lprocfs_exp_print_hash(cfs_hash_t *hs, cfs_hash_bd_t *bd,
1687 cfs_hlist_node_t *hnode, void *cb_data)
1690 struct exp_uuid_cb_data *data = cb_data;
1691 struct obd_export *exp = cfs_hash_object(hs, hnode);
1693 LASSERT(hs == exp->exp_lock_hash);
1695 *data->len += cfs_hash_debug_header(data->page,
1698 *data->len += cfs_hash_debug_str(hs, data->page + *data->len,
1703 int lprocfs_exp_rd_hash(char *page, char **start, off_t off, int count,
1704 int *eof, void *data)
1706 struct nid_stat *stats = (struct nid_stat *)data;
1707 struct exp_uuid_cb_data cb_data;
1708 struct obd_device *obd = stats->nid_obd;
1713 lprocfs_exp_rd_cb_data_init(&cb_data, page, count, eof, &len);
1715 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
1716 lprocfs_exp_print_hash, &cb_data);
1717 return (*cb_data.len);
1720 int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off,
1721 int count, int *eof, void *data)
1724 return snprintf(page, count, "%s\n",
1725 "Write into this file to clear all nid stats and "
1726 "stale nid entries");
1728 EXPORT_SYMBOL(lprocfs_nid_stats_clear_read);
1730 int lprocfs_nid_stats_clear_write_cb(void *obj, void *data)
1732 struct nid_stat *stat = obj;
1735 /* object has only hash + iterate_all references.
1736 * add/delete blocked by hash bucket lock */
1737 CDEBUG(D_INFO,"refcnt %d\n", cfs_atomic_read(&stat->nid_exp_ref_count));
1738 if (cfs_atomic_read(&stat->nid_exp_ref_count) == 2) {
1739 cfs_spin_lock(&stat->nid_obd->obd_nid_lock);
1740 cfs_list_move(&stat->nid_list, data);
1741 cfs_spin_unlock(&stat->nid_obd->obd_nid_lock);
1744 /* we has reference to object - only clear data*/
1745 if (stat->nid_stats)
1746 lprocfs_clear_stats(stat->nid_stats);
1748 if (stat->nid_brw_stats) {
1749 for (i = 0; i < BRW_LAST; i++)
1750 lprocfs_oh_clear(&stat->nid_brw_stats->hist[i]);
1755 int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
1756 unsigned long count, void *data)
1758 struct obd_device *obd = (struct obd_device *)data;
1759 struct nid_stat *client_stat;
1760 CFS_LIST_HEAD(free_list);
1762 cfs_hash_cond_del(obd->obd_nid_stats_hash,
1763 lprocfs_nid_stats_clear_write_cb, &free_list);
1765 while (!cfs_list_empty(&free_list)) {
1766 client_stat = cfs_list_entry(free_list.next, struct nid_stat,
1768 cfs_list_del_init(&client_stat->nid_list);
1769 lprocfs_free_client_stats(client_stat);
1774 EXPORT_SYMBOL(lprocfs_nid_stats_clear_write);
1776 int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid, int reconnect,
1779 struct nid_stat *new_stat, *old_stat;
1780 struct obd_device *obd = NULL;
1781 cfs_proc_dir_entry_t *entry;
1782 char *buffer = NULL;
1788 if (!exp || !exp->exp_obd || !exp->exp_obd->obd_proc_exports_entry ||
1789 !exp->exp_obd->obd_nid_stats_hash)
1792 /* not test against zero because eric say:
1793 * You may only test nid against another nid, or LNET_NID_ANY.
1794 * Anything else is nonsense.*/
1795 if (!nid || *nid == LNET_NID_ANY)
1800 CDEBUG(D_CONFIG, "using hash %p\n", obd->obd_nid_stats_hash);
1802 OBD_ALLOC_PTR(new_stat);
1803 if (new_stat == NULL)
1806 new_stat->nid = *nid;
1807 new_stat->nid_obd = exp->exp_obd;
1808 /* we need set default refcount to 1 to balance obd_disconnect */
1809 cfs_atomic_set(&new_stat->nid_exp_ref_count, 1);
1811 old_stat = cfs_hash_findadd_unique(obd->obd_nid_stats_hash,
1812 nid, &new_stat->nid_hash);
1813 CDEBUG(D_INFO, "Found stats %p for nid %s - ref %d\n",
1814 old_stat, libcfs_nid2str(*nid),
1815 cfs_atomic_read(&new_stat->nid_exp_ref_count));
1817 /* Return -EALREADY here so that we know that the /proc
1818 * entry already has been created */
1819 if (old_stat != new_stat) {
1820 /* if this connects to the existing export of same nid,
1821 * we need to release old stats for obd_disconnect won't
1822 * balance the reference gotten in "cfs_hash_findadd_uinque" */
1823 if (reconnect && exp->exp_nid_stats)
1824 nidstat_putref(old_stat);
1826 exp->exp_nid_stats = old_stat;
1827 GOTO(destroy_new, rc = -EALREADY);
1829 /* not found - create */
1830 OBD_ALLOC(buffer, LNET_NIDSTR_SIZE);
1832 GOTO(destroy_new, rc = -ENOMEM);
1834 memcpy(buffer, libcfs_nid2str(*nid), LNET_NIDSTR_SIZE);
1835 new_stat->nid_proc = lprocfs_register(buffer,
1836 obd->obd_proc_exports_entry,
1838 OBD_FREE(buffer, LNET_NIDSTR_SIZE);
1840 if (new_stat->nid_proc == NULL) {
1841 CERROR("Error making export directory for nid %s\n",
1842 libcfs_nid2str(*nid));
1843 GOTO(destroy_new_ns, rc = -ENOMEM);
1846 entry = lprocfs_add_simple(new_stat->nid_proc, "uuid",
1847 lprocfs_exp_rd_uuid, NULL, new_stat, NULL);
1848 if (IS_ERR(entry)) {
1849 CWARN("Error adding the NID stats file\n");
1850 rc = PTR_ERR(entry);
1851 GOTO(destroy_new_ns, rc);
1854 entry = lprocfs_add_simple(new_stat->nid_proc, "hash",
1855 lprocfs_exp_rd_hash, NULL, new_stat, NULL);
1856 if (IS_ERR(entry)) {
1857 CWARN("Error adding the hash file\n");
1858 rc = PTR_ERR(entry);
1859 GOTO(destroy_new_ns, rc);
1862 exp->exp_nid_stats = new_stat;
1864 /* protect competitive add to list, not need locking on destroy */
1865 cfs_spin_lock(&obd->obd_nid_lock);
1866 cfs_list_add(&new_stat->nid_list, &obd->obd_nid_stats);
1867 cfs_spin_unlock(&obd->obd_nid_lock);
1872 if (new_stat->nid_proc != NULL)
1873 lprocfs_remove(&new_stat->nid_proc);
1874 cfs_hash_del(obd->obd_nid_stats_hash, nid, &new_stat->nid_hash);
1877 nidstat_putref(new_stat);
1878 OBD_FREE_PTR(new_stat);
1882 int lprocfs_exp_cleanup(struct obd_export *exp)
1884 struct nid_stat *stat = exp->exp_nid_stats;
1886 if(!stat || !exp->exp_obd)
1889 nidstat_putref(exp->exp_nid_stats);
1890 exp->exp_nid_stats = NULL;
1895 int lprocfs_write_helper(const char *buffer, unsigned long count,
1898 return lprocfs_write_frac_helper(buffer, count, val, 1);
1901 int lprocfs_write_frac_helper(const char *buffer, unsigned long count,
1904 char kernbuf[20], *end, *pbuf;
1906 if (count > (sizeof(kernbuf) - 1))
1909 if (cfs_copy_from_user(kernbuf, buffer, count))
1912 kernbuf[count] = '\0';
1919 *val = (int)simple_strtoul(pbuf, &end, 10) * mult;
1923 if (end != NULL && *end == '.') {
1924 int temp_val, pow = 1;
1928 if (strlen(pbuf) > 5)
1929 pbuf[5] = '\0'; /*only allow 5bits fractional*/
1931 temp_val = (int)simple_strtoul(pbuf, &end, 10) * mult;
1934 for (i = 0; i < (end - pbuf); i++)
1937 *val += temp_val / pow;
1943 int lprocfs_read_frac_helper(char *buffer, unsigned long count, long val,
1946 long decimal_val, frac_val;
1952 decimal_val = val / mult;
1953 prtn = snprintf(buffer, count, "%ld", decimal_val);
1954 frac_val = val % mult;
1956 if (prtn < (count - 4) && frac_val > 0) {
1958 int i, temp_mult = 1, frac_bits = 0;
1960 temp_frac = frac_val * 10;
1961 buffer[prtn++] = '.';
1962 while (frac_bits < 2 && (temp_frac / mult) < 1 ) {
1963 /* only reserved 2 bits fraction */
1964 buffer[prtn++] ='0';
1969 * Need to think these cases :
1970 * 1. #echo x.00 > /proc/xxx output result : x
1971 * 2. #echo x.0x > /proc/xxx output result : x.0x
1972 * 3. #echo x.x0 > /proc/xxx output result : x.x
1973 * 4. #echo x.xx > /proc/xxx output result : x.xx
1974 * Only reserved 2 bits fraction.
1976 for (i = 0; i < (5 - prtn); i++)
1979 frac_bits = min((int)count - prtn, 3 - frac_bits);
1980 prtn += snprintf(buffer + prtn, frac_bits, "%ld",
1981 frac_val * temp_mult / mult);
1984 while(buffer[prtn] < '1' || buffer[prtn] > '9') {
1986 if (buffer[prtn] == '.') {
1993 buffer[prtn++] ='\n';
1997 int lprocfs_write_u64_helper(const char *buffer, unsigned long count,__u64 *val)
1999 return lprocfs_write_frac_u64_helper(buffer, count, val, 1);
2002 int lprocfs_write_frac_u64_helper(const char *buffer, unsigned long count,
2003 __u64 *val, int mult)
2005 char kernbuf[22], *end, *pbuf;
2006 __u64 whole, frac = 0, units;
2007 unsigned frac_d = 1;
2009 if (count > (sizeof(kernbuf) - 1))
2012 if (cfs_copy_from_user(kernbuf, buffer, count))
2015 kernbuf[count] = '\0';
2022 whole = simple_strtoull(pbuf, &end, 10);
2026 if (end != NULL && *end == '.') {
2030 /* need to limit frac_d to a __u32 */
2031 if (strlen(pbuf) > 10)
2034 frac = simple_strtoull(pbuf, &end, 10);
2035 /* count decimal places */
2036 for (i = 0; i < (end - pbuf); i++)
2053 /* Specified units override the multiplier */
2055 mult = mult < 0 ? -units : units;
2058 do_div(frac, frac_d);
2059 *val = whole * mult + frac;
2063 int lprocfs_seq_create(cfs_proc_dir_entry_t *parent, char *name, mode_t mode,
2064 struct file_operations *seq_fops, void *data)
2066 struct proc_dir_entry *entry;
2069 entry = create_proc_entry(name, mode, parent);
2072 entry->proc_fops = seq_fops;
2077 EXPORT_SYMBOL(lprocfs_seq_create);
2079 __inline__ int lprocfs_obd_seq_create(struct obd_device *dev, char *name,
2081 struct file_operations *seq_fops,
2084 return (lprocfs_seq_create(dev->obd_proc_entry, name,
2085 mode, seq_fops, data));
2087 EXPORT_SYMBOL(lprocfs_obd_seq_create);
2089 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value)
2091 if (value >= OBD_HIST_MAX)
2092 value = OBD_HIST_MAX - 1;
2094 cfs_spin_lock(&oh->oh_lock);
2095 oh->oh_buckets[value]++;
2096 cfs_spin_unlock(&oh->oh_lock);
2098 EXPORT_SYMBOL(lprocfs_oh_tally);
2100 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value)
2104 for (val = 0; ((1 << val) < value) && (val <= OBD_HIST_MAX); val++)
2107 lprocfs_oh_tally(oh, val);
2109 EXPORT_SYMBOL(lprocfs_oh_tally_log2);
2111 unsigned long lprocfs_oh_sum(struct obd_histogram *oh)
2113 unsigned long ret = 0;
2116 for (i = 0; i < OBD_HIST_MAX; i++)
2117 ret += oh->oh_buckets[i];
2120 EXPORT_SYMBOL(lprocfs_oh_sum);
2122 void lprocfs_oh_clear(struct obd_histogram *oh)
2124 cfs_spin_lock(&oh->oh_lock);
2125 memset(oh->oh_buckets, 0, sizeof(oh->oh_buckets));
2126 cfs_spin_unlock(&oh->oh_lock);
2128 EXPORT_SYMBOL(lprocfs_oh_clear);
2130 int lprocfs_obd_rd_hash(char *page, char **start, off_t off,
2131 int count, int *eof, void *data)
2133 struct obd_device *obd = data;
2139 c += cfs_hash_debug_header(page, count);
2140 c += cfs_hash_debug_str(obd->obd_uuid_hash, page + c, count - c);
2141 c += cfs_hash_debug_str(obd->obd_nid_hash, page + c, count - c);
2142 c += cfs_hash_debug_str(obd->obd_nid_stats_hash, page+c, count-c);
2143 #ifdef HAVE_QUOTA_SUPPORT
2144 if (obd->u.obt.obt_qctxt.lqc_lqs_hash)
2145 c += cfs_hash_debug_str(obd->u.obt.obt_qctxt.lqc_lqs_hash,
2146 page + c, count - c);
2151 EXPORT_SYMBOL(lprocfs_obd_rd_hash);
2153 int lprocfs_obd_rd_recovery_status(char *page, char **start, off_t off,
2154 int count, int *eof, void *data)
2156 struct obd_device *obd = data;
2159 LASSERT(obd != NULL);
2160 LASSERT(count >= 0);
2162 /* Set start of user data returned to
2163 page + off since the user may have
2164 requested to read much smaller than
2165 what we need to read */
2166 *start = page + off;
2168 /* We know we are allocated a page here.
2169 Also we know that this function will
2170 not need to write more than a page
2171 so we can truncate at CFS_PAGE_SIZE. */
2172 size = min(count + (int)off + 1, (int)CFS_PAGE_SIZE);
2174 /* Initialize the page */
2175 memset(page, 0, size);
2177 if (lprocfs_obd_snprintf(&page, size, &len, "status: ") <= 0)
2179 if (obd->obd_max_recoverable_clients == 0) {
2180 if (lprocfs_obd_snprintf(&page, size, &len, "INACTIVE\n") <= 0)
2186 /* sampled unlocked, but really... */
2187 if (obd->obd_recovering == 0) {
2188 if (lprocfs_obd_snprintf(&page, size, &len, "COMPLETE\n") <= 0)
2190 if (lprocfs_obd_snprintf(&page, size, &len,
2191 "recovery_start: %lu\n",
2192 obd->obd_recovery_start) <= 0)
2194 if (lprocfs_obd_snprintf(&page, size, &len,
2195 "recovery_duration: %lu\n",
2196 obd->obd_recovery_end -
2197 obd->obd_recovery_start) <= 0)
2199 /* Number of clients that have completed recovery */
2200 if (lprocfs_obd_snprintf(&page, size, &len,
2201 "completed_clients: %d/%d\n",
2202 obd->obd_max_recoverable_clients -
2203 obd->obd_stale_clients,
2204 obd->obd_max_recoverable_clients) <= 0)
2206 if (lprocfs_obd_snprintf(&page, size, &len,
2207 "replayed_requests: %d\n",
2208 obd->obd_replayed_requests) <= 0)
2210 if (lprocfs_obd_snprintf(&page, size, &len,
2211 "last_transno: "LPD64"\n",
2212 obd->obd_next_recovery_transno - 1)<=0)
2214 if (lprocfs_obd_snprintf(&page, size, &len, "VBR: %s\n",
2215 obd->obd_version_recov ? "ON" : "OFF")<=0)
2220 if (lprocfs_obd_snprintf(&page, size, &len, "RECOVERING\n") <= 0)
2222 if (lprocfs_obd_snprintf(&page, size, &len, "recovery_start: %lu\n",
2223 obd->obd_recovery_start) <= 0)
2225 if (lprocfs_obd_snprintf(&page, size, &len, "time_remaining: %lu\n",
2226 cfs_time_current_sec() >= obd->obd_recovery_end ? 0 :
2227 obd->obd_recovery_end - cfs_time_current_sec()) <= 0)
2229 if (lprocfs_obd_snprintf(&page, size, &len,"connected_clients: %d/%d\n",
2230 obd->obd_connected_clients,
2231 obd->obd_max_recoverable_clients) <= 0)
2233 /* Number of clients that have completed recovery */
2234 if (lprocfs_obd_snprintf(&page, size, &len,"req_replay_clients: %d\n",
2235 cfs_atomic_read(&obd->obd_req_replay_clients))
2238 if (lprocfs_obd_snprintf(&page, size, &len,"lock_repay_clients: %d\n",
2239 cfs_atomic_read(&obd->obd_lock_replay_clients))
2242 if (lprocfs_obd_snprintf(&page, size, &len,"completed_clients: %d\n",
2243 obd->obd_connected_clients -
2244 cfs_atomic_read(&obd->obd_lock_replay_clients))
2247 if (lprocfs_obd_snprintf(&page, size, &len,"evicted_clients: %d\n",
2248 obd->obd_stale_clients) <= 0)
2250 if (lprocfs_obd_snprintf(&page, size, &len,"replayed_requests: %d\n",
2251 obd->obd_replayed_requests) <= 0)
2253 if (lprocfs_obd_snprintf(&page, size, &len, "queued_requests: %d\n",
2254 obd->obd_requests_queued_for_recovery) <= 0)
2257 if (lprocfs_obd_snprintf(&page, size, &len, "next_transno: "LPD64"\n",
2258 obd->obd_next_recovery_transno) <= 0)
2264 return min(count, len - (int)off);
2266 EXPORT_SYMBOL(lprocfs_obd_rd_recovery_status);
2268 int lprocfs_obd_rd_recovery_time_soft(char *page, char **start, off_t off,
2269 int count, int *eof, void *data)
2271 struct obd_device *obd = (struct obd_device *)data;
2272 LASSERT(obd != NULL);
2274 return snprintf(page, count, "%d\n",
2275 obd->obd_recovery_timeout);
2277 EXPORT_SYMBOL(lprocfs_obd_rd_recovery_time_soft);
2279 int lprocfs_obd_wr_recovery_time_soft(struct file *file, const char *buffer,
2280 unsigned long count, void *data)
2282 struct obd_device *obd = (struct obd_device *)data;
2284 LASSERT(obd != NULL);
2286 rc = lprocfs_write_helper(buffer, count, &val);
2290 obd->obd_recovery_timeout = val;
2293 EXPORT_SYMBOL(lprocfs_obd_wr_recovery_time_soft);
2295 int lprocfs_obd_rd_recovery_time_hard(char *page, char **start, off_t off,
2296 int count, int *eof, void *data)
2298 struct obd_device *obd = data;
2299 LASSERT(obd != NULL);
2301 return snprintf(page, count, "%lu\n", obd->obd_recovery_time_hard);
2303 EXPORT_SYMBOL(lprocfs_obd_rd_recovery_time_hard);
2305 int lprocfs_obd_wr_recovery_time_hard(struct file *file, const char *buffer,
2306 unsigned long count, void *data)
2308 struct obd_device *obd = data;
2310 LASSERT(obd != NULL);
2312 rc = lprocfs_write_helper(buffer, count, &val);
2316 obd->obd_recovery_time_hard = val;
2319 EXPORT_SYMBOL(lprocfs_obd_wr_recovery_time_hard);
2321 int lprocfs_obd_rd_mntdev(char *page, char **start, off_t off,
2322 int count, int *eof, void *data)
2324 struct obd_device *obd = (struct obd_device *)data;
2326 LASSERT(obd != NULL);
2327 LASSERT(obd->u.obt.obt_vfsmnt->mnt_devname);
2329 return snprintf(page, count, "%s\n",
2330 obd->u.obt.obt_vfsmnt->mnt_devname);
2332 EXPORT_SYMBOL(lprocfs_obd_rd_mntdev);
2334 EXPORT_SYMBOL(lprocfs_register);
2335 EXPORT_SYMBOL(lprocfs_srch);
2336 EXPORT_SYMBOL(lprocfs_remove);
2337 EXPORT_SYMBOL(lprocfs_remove_proc_entry);
2338 EXPORT_SYMBOL(lprocfs_add_vars);
2339 EXPORT_SYMBOL(lprocfs_obd_setup);
2340 EXPORT_SYMBOL(lprocfs_obd_cleanup);
2341 EXPORT_SYMBOL(lprocfs_add_simple);
2342 EXPORT_SYMBOL(lprocfs_add_symlink);
2343 EXPORT_SYMBOL(lprocfs_free_per_client_stats);
2344 EXPORT_SYMBOL(lprocfs_alloc_stats);
2345 EXPORT_SYMBOL(lprocfs_free_stats);
2346 EXPORT_SYMBOL(lprocfs_clear_stats);
2347 EXPORT_SYMBOL(lprocfs_register_stats);
2348 EXPORT_SYMBOL(lprocfs_init_ops_stats);
2349 EXPORT_SYMBOL(lprocfs_init_ldlm_stats);
2350 EXPORT_SYMBOL(lprocfs_alloc_obd_stats);
2351 EXPORT_SYMBOL(lprocfs_alloc_md_stats);
2352 EXPORT_SYMBOL(lprocfs_free_obd_stats);
2353 EXPORT_SYMBOL(lprocfs_free_md_stats);
2354 EXPORT_SYMBOL(lprocfs_exp_setup);
2355 EXPORT_SYMBOL(lprocfs_exp_cleanup);
2357 EXPORT_SYMBOL(lprocfs_rd_u64);
2358 EXPORT_SYMBOL(lprocfs_rd_atomic);
2359 EXPORT_SYMBOL(lprocfs_wr_atomic);
2360 EXPORT_SYMBOL(lprocfs_rd_uint);
2361 EXPORT_SYMBOL(lprocfs_wr_uint);
2362 EXPORT_SYMBOL(lprocfs_rd_uuid);
2363 EXPORT_SYMBOL(lprocfs_rd_name);
2364 EXPORT_SYMBOL(lprocfs_rd_fstype);
2365 EXPORT_SYMBOL(lprocfs_rd_server_uuid);
2366 EXPORT_SYMBOL(lprocfs_rd_conn_uuid);
2367 EXPORT_SYMBOL(lprocfs_rd_num_exports);
2368 EXPORT_SYMBOL(lprocfs_rd_numrefs);
2369 EXPORT_SYMBOL(lprocfs_at_hist_helper);
2370 EXPORT_SYMBOL(lprocfs_rd_import);
2371 EXPORT_SYMBOL(lprocfs_rd_state);
2372 EXPORT_SYMBOL(lprocfs_rd_timeouts);
2373 EXPORT_SYMBOL(lprocfs_rd_blksize);
2374 EXPORT_SYMBOL(lprocfs_rd_kbytestotal);
2375 EXPORT_SYMBOL(lprocfs_rd_kbytesfree);
2376 EXPORT_SYMBOL(lprocfs_rd_kbytesavail);
2377 EXPORT_SYMBOL(lprocfs_rd_filestotal);
2378 EXPORT_SYMBOL(lprocfs_rd_filesfree);
2380 EXPORT_SYMBOL(lprocfs_write_helper);
2381 EXPORT_SYMBOL(lprocfs_write_frac_helper);
2382 EXPORT_SYMBOL(lprocfs_read_frac_helper);
2383 EXPORT_SYMBOL(lprocfs_write_u64_helper);
2384 EXPORT_SYMBOL(lprocfs_write_frac_u64_helper);
2385 EXPORT_SYMBOL(lprocfs_stats_collect);