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 void lprocfs_exp_print_uuid(void *obj, void *cb_data)
1658 struct obd_export *exp = (struct obd_export *)obj;
1659 struct exp_uuid_cb_data *data = (struct exp_uuid_cb_data *)cb_data;
1661 if (exp->exp_nid_stats)
1662 *data->len += snprintf((data->page + *data->len),
1663 data->count, "%s\n",
1664 obd_uuid2str(&exp->exp_client_uuid));
1667 int lprocfs_exp_rd_uuid(char *page, char **start, off_t off, int count,
1668 int *eof, void *data)
1670 struct nid_stat *stats = (struct nid_stat *)data;
1671 struct exp_uuid_cb_data cb_data;
1672 struct obd_device *obd = stats->nid_obd;
1677 lprocfs_exp_rd_cb_data_init(&cb_data, page, count, eof, &len);
1678 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
1679 lprocfs_exp_print_uuid, &cb_data);
1680 return (*cb_data.len);
1683 void lprocfs_exp_print_hash(void *obj, void *cb_data)
1685 struct exp_uuid_cb_data *data = cb_data;
1686 struct obd_export *exp = obj;
1689 hs = exp->exp_lock_hash;
1692 *data->len += cfs_hash_debug_header(data->page,
1695 *data->len += cfs_hash_debug_str(hs, data->page + *data->len,
1700 int lprocfs_exp_rd_hash(char *page, char **start, off_t off, int count,
1701 int *eof, void *data)
1703 struct nid_stat *stats = (struct nid_stat *)data;
1704 struct exp_uuid_cb_data cb_data;
1705 struct obd_device *obd = stats->nid_obd;
1710 lprocfs_exp_rd_cb_data_init(&cb_data, page, count, eof, &len);
1712 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
1713 lprocfs_exp_print_hash, &cb_data);
1714 return (*cb_data.len);
1717 int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off,
1718 int count, int *eof, void *data)
1721 return snprintf(page, count, "%s\n",
1722 "Write into this file to clear all nid stats and "
1723 "stale nid entries");
1725 EXPORT_SYMBOL(lprocfs_nid_stats_clear_read);
1727 int lprocfs_nid_stats_clear_write_cb(void *obj, void *data)
1729 struct nid_stat *stat = obj;
1732 /* object has only hash + iterate_all references.
1733 * add/delete blocked by hash bucket lock */
1734 CDEBUG(D_INFO,"refcnt %d\n", cfs_atomic_read(&stat->nid_exp_ref_count));
1735 if (cfs_atomic_read(&stat->nid_exp_ref_count) == 2) {
1736 cfs_spin_lock(&stat->nid_obd->obd_nid_lock);
1737 cfs_list_move(&stat->nid_list, data);
1738 cfs_spin_unlock(&stat->nid_obd->obd_nid_lock);
1741 /* we has reference to object - only clear data*/
1742 if (stat->nid_stats)
1743 lprocfs_clear_stats(stat->nid_stats);
1745 if (stat->nid_brw_stats) {
1746 for (i = 0; i < BRW_LAST; i++)
1747 lprocfs_oh_clear(&stat->nid_brw_stats->hist[i]);
1752 int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
1753 unsigned long count, void *data)
1755 struct obd_device *obd = (struct obd_device *)data;
1756 struct nid_stat *client_stat;
1757 CFS_LIST_HEAD(free_list);
1759 cfs_hash_cond_del(obd->obd_nid_stats_hash,
1760 lprocfs_nid_stats_clear_write_cb, &free_list);
1762 while (!cfs_list_empty(&free_list)) {
1763 client_stat = cfs_list_entry(free_list.next, struct nid_stat,
1765 cfs_list_del_init(&client_stat->nid_list);
1766 lprocfs_free_client_stats(client_stat);
1771 EXPORT_SYMBOL(lprocfs_nid_stats_clear_write);
1773 int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid, int reconnect,
1776 struct nid_stat *new_stat, *old_stat;
1777 struct obd_device *obd = NULL;
1778 cfs_proc_dir_entry_t *entry;
1779 char *buffer = NULL;
1785 if (!exp || !exp->exp_obd || !exp->exp_obd->obd_proc_exports_entry ||
1786 !exp->exp_obd->obd_nid_stats_hash)
1789 /* not test against zero because eric say:
1790 * You may only test nid against another nid, or LNET_NID_ANY.
1791 * Anything else is nonsense.*/
1792 if (!nid || *nid == LNET_NID_ANY)
1797 CDEBUG(D_CONFIG, "using hash %p\n", obd->obd_nid_stats_hash);
1799 OBD_ALLOC_PTR(new_stat);
1800 if (new_stat == NULL)
1803 new_stat->nid = *nid;
1804 new_stat->nid_obd = exp->exp_obd;
1805 /* we need set default refcount to 1 to balance obd_disconnect */
1806 cfs_atomic_set(&new_stat->nid_exp_ref_count, 1);
1808 old_stat = cfs_hash_findadd_unique(obd->obd_nid_stats_hash,
1809 nid, &new_stat->nid_hash);
1810 CDEBUG(D_INFO, "Found stats %p for nid %s - ref %d\n",
1811 old_stat, libcfs_nid2str(*nid),
1812 cfs_atomic_read(&new_stat->nid_exp_ref_count));
1814 /* Return -EALREADY here so that we know that the /proc
1815 * entry already has been created */
1816 if (old_stat != new_stat) {
1817 /* if this connects to the existing export of same nid,
1818 * we need to release old stats for obd_disconnect won't
1819 * balance the reference gotten in "cfs_hash_findadd_uinque" */
1820 if (reconnect && exp->exp_nid_stats)
1821 nidstat_putref(old_stat);
1823 exp->exp_nid_stats = old_stat;
1824 GOTO(destroy_new, rc = -EALREADY);
1826 /* not found - create */
1827 OBD_ALLOC(buffer, LNET_NIDSTR_SIZE);
1829 GOTO(destroy_new, rc = -ENOMEM);
1831 memcpy(buffer, libcfs_nid2str(*nid), LNET_NIDSTR_SIZE);
1832 new_stat->nid_proc = lprocfs_register(buffer,
1833 obd->obd_proc_exports_entry,
1835 OBD_FREE(buffer, LNET_NIDSTR_SIZE);
1837 if (new_stat->nid_proc == NULL) {
1838 CERROR("Error making export directory for nid %s\n",
1839 libcfs_nid2str(*nid));
1840 GOTO(destroy_new_ns, rc = -ENOMEM);
1843 entry = lprocfs_add_simple(new_stat->nid_proc, "uuid",
1844 lprocfs_exp_rd_uuid, NULL, new_stat, NULL);
1845 if (IS_ERR(entry)) {
1846 CWARN("Error adding the NID stats file\n");
1847 rc = PTR_ERR(entry);
1848 GOTO(destroy_new_ns, rc);
1851 entry = lprocfs_add_simple(new_stat->nid_proc, "hash",
1852 lprocfs_exp_rd_hash, NULL, new_stat, NULL);
1853 if (IS_ERR(entry)) {
1854 CWARN("Error adding the hash file\n");
1855 rc = PTR_ERR(entry);
1856 GOTO(destroy_new_ns, rc);
1859 exp->exp_nid_stats = new_stat;
1861 /* protect competitive add to list, not need locking on destroy */
1862 cfs_spin_lock(&obd->obd_nid_lock);
1863 cfs_list_add(&new_stat->nid_list, &obd->obd_nid_stats);
1864 cfs_spin_unlock(&obd->obd_nid_lock);
1869 if (new_stat->nid_proc != NULL)
1870 lprocfs_remove(&new_stat->nid_proc);
1871 cfs_hash_del(obd->obd_nid_stats_hash, nid, &new_stat->nid_hash);
1874 nidstat_putref(new_stat);
1875 OBD_FREE_PTR(new_stat);
1879 int lprocfs_exp_cleanup(struct obd_export *exp)
1881 struct nid_stat *stat = exp->exp_nid_stats;
1883 if(!stat || !exp->exp_obd)
1886 nidstat_putref(exp->exp_nid_stats);
1887 exp->exp_nid_stats = NULL;
1892 int lprocfs_write_helper(const char *buffer, unsigned long count,
1895 return lprocfs_write_frac_helper(buffer, count, val, 1);
1898 int lprocfs_write_frac_helper(const char *buffer, unsigned long count,
1901 char kernbuf[20], *end, *pbuf;
1903 if (count > (sizeof(kernbuf) - 1))
1906 if (cfs_copy_from_user(kernbuf, buffer, count))
1909 kernbuf[count] = '\0';
1916 *val = (int)simple_strtoul(pbuf, &end, 10) * mult;
1920 if (end != NULL && *end == '.') {
1921 int temp_val, pow = 1;
1925 if (strlen(pbuf) > 5)
1926 pbuf[5] = '\0'; /*only allow 5bits fractional*/
1928 temp_val = (int)simple_strtoul(pbuf, &end, 10) * mult;
1931 for (i = 0; i < (end - pbuf); i++)
1934 *val += temp_val / pow;
1940 int lprocfs_read_frac_helper(char *buffer, unsigned long count, long val,
1943 long decimal_val, frac_val;
1949 decimal_val = val / mult;
1950 prtn = snprintf(buffer, count, "%ld", decimal_val);
1951 frac_val = val % mult;
1953 if (prtn < (count - 4) && frac_val > 0) {
1955 int i, temp_mult = 1, frac_bits = 0;
1957 temp_frac = frac_val * 10;
1958 buffer[prtn++] = '.';
1959 while (frac_bits < 2 && (temp_frac / mult) < 1 ) {
1960 /* only reserved 2 bits fraction */
1961 buffer[prtn++] ='0';
1966 * Need to think these cases :
1967 * 1. #echo x.00 > /proc/xxx output result : x
1968 * 2. #echo x.0x > /proc/xxx output result : x.0x
1969 * 3. #echo x.x0 > /proc/xxx output result : x.x
1970 * 4. #echo x.xx > /proc/xxx output result : x.xx
1971 * Only reserved 2 bits fraction.
1973 for (i = 0; i < (5 - prtn); i++)
1976 frac_bits = min((int)count - prtn, 3 - frac_bits);
1977 prtn += snprintf(buffer + prtn, frac_bits, "%ld",
1978 frac_val * temp_mult / mult);
1981 while(buffer[prtn] < '1' || buffer[prtn] > '9') {
1983 if (buffer[prtn] == '.') {
1990 buffer[prtn++] ='\n';
1994 int lprocfs_write_u64_helper(const char *buffer, unsigned long count,__u64 *val)
1996 return lprocfs_write_frac_u64_helper(buffer, count, val, 1);
1999 int lprocfs_write_frac_u64_helper(const char *buffer, unsigned long count,
2000 __u64 *val, int mult)
2002 char kernbuf[22], *end, *pbuf;
2003 __u64 whole, frac = 0, units;
2004 unsigned frac_d = 1;
2006 if (count > (sizeof(kernbuf) - 1))
2009 if (cfs_copy_from_user(kernbuf, buffer, count))
2012 kernbuf[count] = '\0';
2019 whole = simple_strtoull(pbuf, &end, 10);
2023 if (end != NULL && *end == '.') {
2027 /* need to limit frac_d to a __u32 */
2028 if (strlen(pbuf) > 10)
2031 frac = simple_strtoull(pbuf, &end, 10);
2032 /* count decimal places */
2033 for (i = 0; i < (end - pbuf); i++)
2050 /* Specified units override the multiplier */
2052 mult = mult < 0 ? -units : units;
2055 do_div(frac, frac_d);
2056 *val = whole * mult + frac;
2060 int lprocfs_seq_create(cfs_proc_dir_entry_t *parent, char *name, mode_t mode,
2061 struct file_operations *seq_fops, void *data)
2063 struct proc_dir_entry *entry;
2066 entry = create_proc_entry(name, mode, parent);
2069 entry->proc_fops = seq_fops;
2074 EXPORT_SYMBOL(lprocfs_seq_create);
2076 __inline__ int lprocfs_obd_seq_create(struct obd_device *dev, char *name,
2078 struct file_operations *seq_fops,
2081 return (lprocfs_seq_create(dev->obd_proc_entry, name,
2082 mode, seq_fops, data));
2084 EXPORT_SYMBOL(lprocfs_obd_seq_create);
2086 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value)
2088 if (value >= OBD_HIST_MAX)
2089 value = OBD_HIST_MAX - 1;
2091 cfs_spin_lock(&oh->oh_lock);
2092 oh->oh_buckets[value]++;
2093 cfs_spin_unlock(&oh->oh_lock);
2095 EXPORT_SYMBOL(lprocfs_oh_tally);
2097 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value)
2101 for (val = 0; ((1 << val) < value) && (val <= OBD_HIST_MAX); val++)
2104 lprocfs_oh_tally(oh, val);
2106 EXPORT_SYMBOL(lprocfs_oh_tally_log2);
2108 unsigned long lprocfs_oh_sum(struct obd_histogram *oh)
2110 unsigned long ret = 0;
2113 for (i = 0; i < OBD_HIST_MAX; i++)
2114 ret += oh->oh_buckets[i];
2117 EXPORT_SYMBOL(lprocfs_oh_sum);
2119 void lprocfs_oh_clear(struct obd_histogram *oh)
2121 cfs_spin_lock(&oh->oh_lock);
2122 memset(oh->oh_buckets, 0, sizeof(oh->oh_buckets));
2123 cfs_spin_unlock(&oh->oh_lock);
2125 EXPORT_SYMBOL(lprocfs_oh_clear);
2127 int lprocfs_obd_rd_hash(char *page, char **start, off_t off,
2128 int count, int *eof, void *data)
2130 struct obd_device *obd = data;
2136 c += cfs_hash_debug_header(page, count);
2137 c += cfs_hash_debug_str(obd->obd_uuid_hash, page + c, count - c);
2138 c += cfs_hash_debug_str(obd->obd_nid_hash, page + c, count - c);
2139 c += cfs_hash_debug_str(obd->obd_nid_stats_hash, page+c, count-c);
2140 #ifdef HAVE_QUOTA_SUPPORT
2141 if (obd->u.obt.obt_qctxt.lqc_lqs_hash)
2142 c += cfs_hash_debug_str(obd->u.obt.obt_qctxt.lqc_lqs_hash,
2143 page + c, count - c);
2148 EXPORT_SYMBOL(lprocfs_obd_rd_hash);
2150 int lprocfs_obd_rd_recovery_status(char *page, char **start, off_t off,
2151 int count, int *eof, void *data)
2153 struct obd_device *obd = data;
2156 LASSERT(obd != NULL);
2157 LASSERT(count >= 0);
2159 /* Set start of user data returned to
2160 page + off since the user may have
2161 requested to read much smaller than
2162 what we need to read */
2163 *start = page + off;
2165 /* We know we are allocated a page here.
2166 Also we know that this function will
2167 not need to write more than a page
2168 so we can truncate at CFS_PAGE_SIZE. */
2169 size = min(count + (int)off + 1, (int)CFS_PAGE_SIZE);
2171 /* Initialize the page */
2172 memset(page, 0, size);
2174 if (lprocfs_obd_snprintf(&page, size, &len, "status: ") <= 0)
2176 if (obd->obd_max_recoverable_clients == 0) {
2177 if (lprocfs_obd_snprintf(&page, size, &len, "INACTIVE\n") <= 0)
2183 /* sampled unlocked, but really... */
2184 if (obd->obd_recovering == 0) {
2185 if (lprocfs_obd_snprintf(&page, size, &len, "COMPLETE\n") <= 0)
2187 if (lprocfs_obd_snprintf(&page, size, &len,
2188 "recovery_start: %lu\n",
2189 obd->obd_recovery_start) <= 0)
2191 if (lprocfs_obd_snprintf(&page, size, &len,
2192 "recovery_duration: %lu\n",
2193 obd->obd_recovery_end -
2194 obd->obd_recovery_start) <= 0)
2196 /* Number of clients that have completed recovery */
2197 if (lprocfs_obd_snprintf(&page, size, &len,
2198 "completed_clients: %d/%d\n",
2199 obd->obd_max_recoverable_clients -
2200 obd->obd_stale_clients,
2201 obd->obd_max_recoverable_clients) <= 0)
2203 if (lprocfs_obd_snprintf(&page, size, &len,
2204 "replayed_requests: %d\n",
2205 obd->obd_replayed_requests) <= 0)
2207 if (lprocfs_obd_snprintf(&page, size, &len,
2208 "last_transno: "LPD64"\n",
2209 obd->obd_next_recovery_transno - 1)<=0)
2211 if (lprocfs_obd_snprintf(&page, size, &len, "VBR: %s\n",
2212 obd->obd_version_recov ? "ON" : "OFF")<=0)
2217 if (lprocfs_obd_snprintf(&page, size, &len, "RECOVERING\n") <= 0)
2219 if (lprocfs_obd_snprintf(&page, size, &len, "recovery_start: %lu\n",
2220 obd->obd_recovery_start) <= 0)
2222 if (lprocfs_obd_snprintf(&page, size, &len, "time_remaining: %lu\n",
2223 cfs_time_current_sec() >= obd->obd_recovery_end ? 0 :
2224 obd->obd_recovery_end - cfs_time_current_sec()) <= 0)
2226 if (lprocfs_obd_snprintf(&page, size, &len,"connected_clients: %d/%d\n",
2227 obd->obd_connected_clients,
2228 obd->obd_max_recoverable_clients) <= 0)
2230 /* Number of clients that have completed recovery */
2231 if (lprocfs_obd_snprintf(&page, size, &len,"req_replay_clients: %d\n",
2232 cfs_atomic_read(&obd->obd_req_replay_clients))
2235 if (lprocfs_obd_snprintf(&page, size, &len,"lock_repay_clients: %d\n",
2236 cfs_atomic_read(&obd->obd_lock_replay_clients))
2239 if (lprocfs_obd_snprintf(&page, size, &len,"completed_clients: %d\n",
2240 obd->obd_connected_clients -
2241 cfs_atomic_read(&obd->obd_lock_replay_clients))
2244 if (lprocfs_obd_snprintf(&page, size, &len,"evicted_clients: %d\n",
2245 obd->obd_stale_clients) <= 0)
2247 if (lprocfs_obd_snprintf(&page, size, &len,"replayed_requests: %d\n",
2248 obd->obd_replayed_requests) <= 0)
2250 if (lprocfs_obd_snprintf(&page, size, &len, "queued_requests: %d\n",
2251 obd->obd_requests_queued_for_recovery) <= 0)
2254 if (lprocfs_obd_snprintf(&page, size, &len, "next_transno: "LPD64"\n",
2255 obd->obd_next_recovery_transno) <= 0)
2261 return min(count, len - (int)off);
2263 EXPORT_SYMBOL(lprocfs_obd_rd_recovery_status);
2265 int lprocfs_obd_rd_recovery_time_soft(char *page, char **start, off_t off,
2266 int count, int *eof, void *data)
2268 struct obd_device *obd = (struct obd_device *)data;
2269 LASSERT(obd != NULL);
2271 return snprintf(page, count, "%d\n",
2272 obd->obd_recovery_timeout);
2274 EXPORT_SYMBOL(lprocfs_obd_rd_recovery_time_soft);
2276 int lprocfs_obd_wr_recovery_time_soft(struct file *file, const char *buffer,
2277 unsigned long count, void *data)
2279 struct obd_device *obd = (struct obd_device *)data;
2281 LASSERT(obd != NULL);
2283 rc = lprocfs_write_helper(buffer, count, &val);
2287 obd->obd_recovery_timeout = val;
2290 EXPORT_SYMBOL(lprocfs_obd_wr_recovery_time_soft);
2292 int lprocfs_obd_rd_recovery_time_hard(char *page, char **start, off_t off,
2293 int count, int *eof, void *data)
2295 struct obd_device *obd = data;
2296 LASSERT(obd != NULL);
2298 return snprintf(page, count, "%lu\n", obd->obd_recovery_time_hard);
2300 EXPORT_SYMBOL(lprocfs_obd_rd_recovery_time_hard);
2302 int lprocfs_obd_wr_recovery_time_hard(struct file *file, const char *buffer,
2303 unsigned long count, void *data)
2305 struct obd_device *obd = data;
2307 LASSERT(obd != NULL);
2309 rc = lprocfs_write_helper(buffer, count, &val);
2313 obd->obd_recovery_time_hard = val;
2316 EXPORT_SYMBOL(lprocfs_obd_wr_recovery_time_hard);
2318 int lprocfs_obd_rd_mntdev(char *page, char **start, off_t off,
2319 int count, int *eof, void *data)
2321 struct obd_device *obd = (struct obd_device *)data;
2323 LASSERT(obd != NULL);
2324 LASSERT(obd->u.obt.obt_vfsmnt->mnt_devname);
2326 return snprintf(page, count, "%s\n",
2327 obd->u.obt.obt_vfsmnt->mnt_devname);
2329 EXPORT_SYMBOL(lprocfs_obd_rd_mntdev);
2331 EXPORT_SYMBOL(lprocfs_register);
2332 EXPORT_SYMBOL(lprocfs_srch);
2333 EXPORT_SYMBOL(lprocfs_remove);
2334 EXPORT_SYMBOL(lprocfs_remove_proc_entry);
2335 EXPORT_SYMBOL(lprocfs_add_vars);
2336 EXPORT_SYMBOL(lprocfs_obd_setup);
2337 EXPORT_SYMBOL(lprocfs_obd_cleanup);
2338 EXPORT_SYMBOL(lprocfs_add_simple);
2339 EXPORT_SYMBOL(lprocfs_add_symlink);
2340 EXPORT_SYMBOL(lprocfs_free_per_client_stats);
2341 EXPORT_SYMBOL(lprocfs_alloc_stats);
2342 EXPORT_SYMBOL(lprocfs_free_stats);
2343 EXPORT_SYMBOL(lprocfs_clear_stats);
2344 EXPORT_SYMBOL(lprocfs_register_stats);
2345 EXPORT_SYMBOL(lprocfs_init_ops_stats);
2346 EXPORT_SYMBOL(lprocfs_init_ldlm_stats);
2347 EXPORT_SYMBOL(lprocfs_alloc_obd_stats);
2348 EXPORT_SYMBOL(lprocfs_alloc_md_stats);
2349 EXPORT_SYMBOL(lprocfs_free_obd_stats);
2350 EXPORT_SYMBOL(lprocfs_free_md_stats);
2351 EXPORT_SYMBOL(lprocfs_exp_setup);
2352 EXPORT_SYMBOL(lprocfs_exp_cleanup);
2354 EXPORT_SYMBOL(lprocfs_rd_u64);
2355 EXPORT_SYMBOL(lprocfs_rd_atomic);
2356 EXPORT_SYMBOL(lprocfs_wr_atomic);
2357 EXPORT_SYMBOL(lprocfs_rd_uint);
2358 EXPORT_SYMBOL(lprocfs_wr_uint);
2359 EXPORT_SYMBOL(lprocfs_rd_uuid);
2360 EXPORT_SYMBOL(lprocfs_rd_name);
2361 EXPORT_SYMBOL(lprocfs_rd_fstype);
2362 EXPORT_SYMBOL(lprocfs_rd_server_uuid);
2363 EXPORT_SYMBOL(lprocfs_rd_conn_uuid);
2364 EXPORT_SYMBOL(lprocfs_rd_num_exports);
2365 EXPORT_SYMBOL(lprocfs_rd_numrefs);
2366 EXPORT_SYMBOL(lprocfs_at_hist_helper);
2367 EXPORT_SYMBOL(lprocfs_rd_import);
2368 EXPORT_SYMBOL(lprocfs_rd_state);
2369 EXPORT_SYMBOL(lprocfs_rd_timeouts);
2370 EXPORT_SYMBOL(lprocfs_rd_blksize);
2371 EXPORT_SYMBOL(lprocfs_rd_kbytestotal);
2372 EXPORT_SYMBOL(lprocfs_rd_kbytesfree);
2373 EXPORT_SYMBOL(lprocfs_rd_kbytesavail);
2374 EXPORT_SYMBOL(lprocfs_rd_filestotal);
2375 EXPORT_SYMBOL(lprocfs_rd_filesfree);
2377 EXPORT_SYMBOL(lprocfs_write_helper);
2378 EXPORT_SYMBOL(lprocfs_write_frac_helper);
2379 EXPORT_SYMBOL(lprocfs_read_frac_helper);
2380 EXPORT_SYMBOL(lprocfs_write_u64_helper);
2381 EXPORT_SYMBOL(lprocfs_write_frac_u64_helper);
2382 EXPORT_SYMBOL(lprocfs_stats_collect);