4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2013, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/include/lprocfs_status.h
38 * Top level header file for LProc SNMP
40 * Author: Hariharan Thantry thantry@users.sourceforge.net
42 #ifndef _LPROCFS_SNMP_H
43 #define _LPROCFS_SNMP_H
45 #if defined(__linux__)
46 #include <linux/lprocfs_status.h>
47 #elif defined(__APPLE__)
48 #include <darwin/lprocfs_status.h>
49 #elif defined(__WINNT__)
50 #include <winnt/lprocfs_status.h>
52 #error Unsupported operating system.
54 #include <lustre/lustre_idl.h>
55 #include <libcfs/params_tree.h>
59 cfs_read_proc_t *read_fptr;
60 cfs_write_proc_t *write_fptr;
62 const struct file_operations *fops;
69 struct lprocfs_static_vars {
70 struct lprocfs_vars *module_vars;
71 struct lprocfs_vars *obd_vars;
74 /* if we find more consumers this could be generalized */
75 #define OBD_HIST_MAX 32
76 struct obd_histogram {
78 unsigned long oh_buckets[OBD_HIST_MAX];
100 struct obd_histogram hist[BRW_LAST];
104 RENAME_SAMEDIR_SIZE = 0,
105 RENAME_CROSSDIR_SRC_SIZE,
106 RENAME_CROSSDIR_TGT_SIZE,
110 struct rename_stats {
111 struct obd_histogram hist[RENAME_LAST];
114 /* An lprocfs counter can be configured using the enum bit masks below.
116 * LPROCFS_CNTR_EXTERNALLOCK indicates that an external lock already
117 * protects this counter from concurrent updates. If not specified,
118 * lprocfs an internal per-counter lock variable. External locks are
119 * not used to protect counter increments, but are used to protect
120 * counter readout and resets.
122 * LPROCFS_CNTR_AVGMINMAX indicates a multi-valued counter samples,
123 * (i.e. counter can be incremented by more than "1"). When specified,
124 * the counter maintains min, max and sum in addition to a simple
125 * invocation count. This allows averages to be be computed.
126 * If not specified, the counter is an increment-by-1 counter.
127 * min, max, sum, etc. are not maintained.
129 * LPROCFS_CNTR_STDDEV indicates that the counter should track sum of
130 * squares (for multi-valued counter samples only). This allows
131 * external computation of standard deviation, but involves a 64-bit
132 * multiply per counter increment.
136 LPROCFS_CNTR_EXTERNALLOCK = 0x0001,
137 LPROCFS_CNTR_AVGMINMAX = 0x0002,
138 LPROCFS_CNTR_STDDEV = 0x0004,
140 /* counter data type */
141 LPROCFS_TYPE_REGS = 0x0100,
142 LPROCFS_TYPE_BYTES = 0x0200,
143 LPROCFS_TYPE_PAGES = 0x0400,
144 LPROCFS_TYPE_CYCLE = 0x0800,
147 #define LC_MIN_INIT ((~(__u64)0) >> 1)
149 struct lprocfs_counter_header {
150 unsigned int lc_config;
151 const char *lc_name; /* must be static */
152 const char *lc_units; /* must be static */
155 struct lprocfs_counter {
161 * Every counter has lc_array_sum[0], while lc_array_sum[1] is only
162 * for irq context counter, i.e. stats with
163 * LPROCFS_STATS_FLAG_IRQ_SAFE flag, its counter need
166 __s64 lc_array_sum[1];
168 #define lc_sum lc_array_sum[0]
169 #define lc_sum_irq lc_array_sum[1]
171 struct lprocfs_percpu {
175 struct lprocfs_counter lp_cntr[0];
178 #define LPROCFS_GET_NUM_CPU 0x0001
179 #define LPROCFS_GET_SMP_ID 0x0002
181 enum lprocfs_stats_flags {
182 LPROCFS_STATS_FLAG_NONE = 0x0000, /* per cpu counter */
183 LPROCFS_STATS_FLAG_NOPERCPU = 0x0001, /* stats have no percpu
184 * area and need locking */
185 LPROCFS_STATS_FLAG_IRQ_SAFE = 0x0002, /* alloc need irq safe */
188 enum lprocfs_fields_flags {
189 LPROCFS_FIELDS_FLAGS_CONFIG = 0x0001,
190 LPROCFS_FIELDS_FLAGS_SUM = 0x0002,
191 LPROCFS_FIELDS_FLAGS_MIN = 0x0003,
192 LPROCFS_FIELDS_FLAGS_MAX = 0x0004,
193 LPROCFS_FIELDS_FLAGS_AVG = 0x0005,
194 LPROCFS_FIELDS_FLAGS_SUMSQUARE = 0x0006,
195 LPROCFS_FIELDS_FLAGS_COUNT = 0x0007,
198 struct lprocfs_stats {
200 unsigned short ls_num;
201 /* 1 + the biggest cpu # whose ls_percpu slot has been allocated */
202 unsigned short ls_biggest_alloc_num;
203 enum lprocfs_stats_flags ls_flags;
204 /* Lock used when there are no percpu stats areas; For percpu stats,
205 * it is used to protect ls_biggest_alloc_num change */
208 /* has ls_num of counter headers */
209 struct lprocfs_counter_header *ls_cnt_header;
210 struct lprocfs_percpu *ls_percpu[0];
213 #define OPC_RANGE(seg) (seg ## _LAST_OPC - seg ## _FIRST_OPC)
215 /* Pack all opcodes down into a single monotonically increasing index */
216 static inline int opcode_offset(__u32 opc) {
217 if (opc < OST_LAST_OPC) {
219 return (opc - OST_FIRST_OPC);
220 } else if (opc < MDS_LAST_OPC) {
222 return (opc - MDS_FIRST_OPC +
224 } else if (opc < LDLM_LAST_OPC) {
226 return (opc - LDLM_FIRST_OPC +
229 } else if (opc < MGS_LAST_OPC) {
231 return (opc - MGS_FIRST_OPC +
235 } else if (opc < OBD_LAST_OPC) {
237 return (opc - OBD_FIRST_OPC +
242 } else if (opc < LLOG_LAST_OPC) {
244 return (opc - LLOG_FIRST_OPC +
250 } else if (opc < QUOTA_LAST_OPC) {
252 return (opc - QUOTA_FIRST_OPC +
259 } else if (opc < SEQ_LAST_OPC) {
261 return (opc - SEQ_FIRST_OPC +
269 } else if (opc < SEC_LAST_OPC) {
271 return (opc - SEC_FIRST_OPC +
280 } else if (opc < FLD_LAST_OPC) {
282 return (opc - FLD_FIRST_OPC +
292 } else if (opc < UPDATE_LAST_OPC) {
294 return (opc - UPDATE_FIRST_OPC +
312 #define LUSTRE_MAX_OPCODES (OPC_RANGE(OST) + \
324 #define EXTRA_MAX_OPCODES ((PTLRPC_LAST_CNTR - PTLRPC_FIRST_CNTR) + \
328 PTLRPC_REQWAIT_CNTR = 0,
329 PTLRPC_REQQDEPTH_CNTR,
330 PTLRPC_REQACTIVE_CNTR,
332 PTLRPC_REQBUF_AVAIL_CNTR,
336 #define PTLRPC_FIRST_CNTR PTLRPC_REQWAIT_CNTR
339 LDLM_GLIMPSE_ENQUEUE = 0,
356 #define EXTRA_FIRST_OPC LDLM_GLIMPSE_ENQUEUE
358 extern cfs_proc_dir_entry_t *proc_lustre_root;
361 struct obd_histogram;
363 /* Days / hours / mins / seconds format */
367 static inline void s2dhms(struct dhms *ts, time_t secs)
369 ts->d = secs / 86400;
376 #define DHMS_FMT "%dd%dh%02dm%02ds"
377 #define DHMS_VARS(x) (x)->d, (x)->h, (x)->m, (x)->s
379 #define JOBSTATS_JOBID_VAR_MAX_LEN 20
380 #define JOBSTATS_DISABLE "disable"
381 #define JOBSTATS_PROCNAME_UID "procname_uid"
383 typedef void (*cntr_init_callback)(struct lprocfs_stats *stats);
385 struct obd_job_stats {
386 cfs_hash_t *ojs_hash;
388 rwlock_t ojs_lock; /* protect the obj_list */
389 cntr_init_callback ojs_cntr_init_fn;
391 int ojs_cleanup_interval;
392 time_t ojs_last_cleanup;
397 extern int lprocfs_stats_alloc_one(struct lprocfs_stats *stats,
401 * < 0 : on error (only possible for opc as LPROCFS_GET_SMP_ID)
403 static inline int lprocfs_stats_lock(struct lprocfs_stats *stats, int opc,
404 unsigned long *flags)
412 case LPROCFS_GET_SMP_ID:
413 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
414 if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE)
415 spin_lock_irqsave(&stats->ls_lock, *flags);
417 spin_lock(&stats->ls_lock);
420 unsigned int cpuid = get_cpu();
422 if (unlikely(stats->ls_percpu[cpuid] == NULL)) {
423 rc = lprocfs_stats_alloc_one(stats, cpuid);
432 case LPROCFS_GET_NUM_CPU:
433 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
434 if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE)
435 spin_lock_irqsave(&stats->ls_lock, *flags);
437 spin_lock(&stats->ls_lock);
440 return stats->ls_biggest_alloc_num;
445 static inline void lprocfs_stats_unlock(struct lprocfs_stats *stats, int opc,
446 unsigned long *flags)
452 case LPROCFS_GET_SMP_ID:
453 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
454 if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) {
455 spin_unlock_irqrestore(&stats->ls_lock,
458 spin_unlock(&stats->ls_lock);
465 case LPROCFS_GET_NUM_CPU:
466 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
467 if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) {
468 spin_unlock_irqrestore(&stats->ls_lock,
471 spin_unlock(&stats->ls_lock);
478 static inline unsigned int
479 lprocfs_stats_counter_size(struct lprocfs_stats *stats)
481 unsigned int percpusize;
483 percpusize = offsetof(struct lprocfs_percpu, lp_cntr[stats->ls_num]);
485 /* irq safe stats need lc_array_sum[1] */
486 if ((stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0)
487 percpusize += stats->ls_num * sizeof(__s64);
489 if ((stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) == 0)
490 percpusize = CFS_L1_CACHE_ALIGN(percpusize);
495 static inline struct lprocfs_counter *
496 lprocfs_stats_counter_get(struct lprocfs_stats *stats, unsigned int cpuid,
499 struct lprocfs_counter *cntr;
501 cntr = &stats->ls_percpu[cpuid]->lp_cntr[index];
503 if ((stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0)
504 cntr = (void *)cntr + index * sizeof(__s64);
509 /* Two optimized LPROCFS counter increment functions are provided:
510 * lprocfs_counter_incr(cntr, value) - optimized for by-one counters
511 * lprocfs_counter_add(cntr) - use for multi-valued counters
512 * Counter data layout allows config flag, counter lock and the
513 * count itself to reside within a single cache line.
516 extern void lprocfs_counter_add(struct lprocfs_stats *stats, int idx,
518 extern void lprocfs_counter_sub(struct lprocfs_stats *stats, int idx,
521 #define lprocfs_counter_incr(stats, idx) \
522 lprocfs_counter_add(stats, idx, 1)
523 #define lprocfs_counter_decr(stats, idx) \
524 lprocfs_counter_sub(stats, idx, 1)
526 extern __s64 lprocfs_read_helper(struct lprocfs_counter *lc,
527 struct lprocfs_counter_header *header,
528 enum lprocfs_stats_flags flags,
529 enum lprocfs_fields_flags field);
530 static inline __u64 lprocfs_stats_collector(struct lprocfs_stats *stats,
532 enum lprocfs_fields_flags field)
535 unsigned int num_cpu;
536 unsigned long flags = 0;
539 LASSERT(stats != NULL);
541 num_cpu = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU, &flags);
542 for (i = 0; i < num_cpu; i++) {
543 if (stats->ls_percpu[i] == NULL)
545 ret += lprocfs_read_helper(
546 lprocfs_stats_counter_get(stats, i, idx),
547 &stats->ls_cnt_header[idx], stats->ls_flags,
550 lprocfs_stats_unlock(stats, LPROCFS_GET_NUM_CPU, &flags);
554 extern struct lprocfs_stats *
555 lprocfs_alloc_stats(unsigned int num, enum lprocfs_stats_flags flags);
556 extern void lprocfs_clear_stats(struct lprocfs_stats *stats);
557 extern void lprocfs_free_stats(struct lprocfs_stats **stats);
558 extern void lprocfs_init_ops_stats(int num_private_stats,
559 struct lprocfs_stats *stats);
560 extern void lprocfs_init_mps_stats(int num_private_stats,
561 struct lprocfs_stats *stats);
562 extern void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats);
563 extern int lprocfs_alloc_obd_stats(struct obd_device *obddev,
564 unsigned int num_private_stats);
565 extern int lprocfs_alloc_md_stats(struct obd_device *obddev,
566 unsigned int num_private_stats);
567 extern void lprocfs_counter_init(struct lprocfs_stats *stats, int index,
568 unsigned conf, const char *name,
570 extern void lprocfs_free_obd_stats(struct obd_device *obddev);
571 extern void lprocfs_free_md_stats(struct obd_device *obddev);
574 extern int lprocfs_add_clear_entry(struct obd_device * obd,
575 cfs_proc_dir_entry_t *entry);
576 extern int lprocfs_exp_setup(struct obd_export *exp,
577 lnet_nid_t *peer_nid, int *newnid);
578 extern int lprocfs_exp_cleanup(struct obd_export *exp);
579 extern cfs_proc_dir_entry_t *lprocfs_add_simple(struct proc_dir_entry *root,
581 cfs_read_proc_t *read_proc,
582 cfs_write_proc_t *write_proc,
584 struct file_operations *fops);
585 extern struct proc_dir_entry *
586 lprocfs_add_symlink(const char *name, struct proc_dir_entry *parent,
587 const char *format, ...);
588 extern void lprocfs_free_per_client_stats(struct obd_device *obd);
590 lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
591 unsigned long count, void *data);
592 extern int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off,
593 int count, int *eof, void *data);
595 extern int lprocfs_register_stats(cfs_proc_dir_entry_t *root, const char *name,
596 struct lprocfs_stats *stats);
598 /* lprocfs_status.c */
599 extern int lprocfs_add_vars(cfs_proc_dir_entry_t *root,
600 struct lprocfs_vars *var,
603 extern cfs_proc_dir_entry_t *lprocfs_register(const char *name,
604 cfs_proc_dir_entry_t *parent,
605 struct lprocfs_vars *list,
608 extern void lprocfs_remove(cfs_proc_dir_entry_t **root);
609 extern void lprocfs_remove_proc_entry(const char *name,
610 struct proc_dir_entry *parent);
611 extern void lprocfs_try_remove_proc_entry(const char *name,
612 struct proc_dir_entry *parent);
614 extern cfs_proc_dir_entry_t *lprocfs_srch(cfs_proc_dir_entry_t *root,
617 extern int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list);
618 extern int lprocfs_obd_cleanup(struct obd_device *obd);
619 extern struct file_operations lprocfs_evict_client_fops;
621 extern int lprocfs_seq_create(cfs_proc_dir_entry_t *parent, const char *name,
623 const struct file_operations *seq_fops,
625 extern int lprocfs_obd_seq_create(struct obd_device *dev, const char *name,
627 const struct file_operations *seq_fops,
630 /* Generic callbacks */
632 extern int lprocfs_rd_u64(char *page, char **start, off_t off,
633 int count, int *eof, void *data);
634 extern int lprocfs_rd_atomic(char *page, char **start, off_t off,
635 int count, int *eof, void *data);
636 extern int lprocfs_wr_atomic(struct file *file, const char *buffer,
637 unsigned long count, void *data);
638 extern int lprocfs_rd_uint(char *page, char **start, off_t off,
639 int count, int *eof, void *data);
640 extern int lprocfs_wr_uint(struct file *file, const char *buffer,
641 unsigned long count, void *data);
642 extern int lprocfs_rd_uuid(char *page, char **start, off_t off,
643 int count, int *eof, void *data);
644 extern int lprocfs_rd_name(char *page, char **start, off_t off,
645 int count, int *eof, void *data);
646 extern int lprocfs_rd_server_uuid(char *page, char **start, off_t off,
647 int count, int *eof, void *data);
648 extern int lprocfs_rd_conn_uuid(char *page, char **start, off_t off,
649 int count, int *eof, void *data);
650 extern int lprocfs_rd_import(char *page, char **start, off_t off, int count,
651 int *eof, void *data);
652 extern int lprocfs_rd_state(char *page, char **start, off_t off, int count,
653 int *eof, void *data);
654 extern int lprocfs_rd_connect_flags(char *page, char **start, off_t off,
655 int count, int *eof, void *data);
656 extern int lprocfs_rd_num_exports(char *page, char **start, off_t off,
657 int count, int *eof, void *data);
658 extern int lprocfs_rd_numrefs(char *page, char **start, off_t off,
659 int count, int *eof, void *data);
660 struct adaptive_timeout;
661 extern int lprocfs_at_hist_helper(char *page, int count, int rc,
662 struct adaptive_timeout *at);
663 extern int lprocfs_rd_timeouts(char *page, char **start, off_t off,
664 int count, int *eof, void *data);
665 extern int lprocfs_wr_timeouts(struct file *file, const char *buffer,
666 unsigned long count, void *data);
667 extern int lprocfs_wr_evict_client(struct file *file, const char *buffer,
668 unsigned long count, void *data);
669 extern int lprocfs_wr_ping(struct file *file, const char *buffer,
670 unsigned long count, void *data);
671 extern int lprocfs_wr_import(struct file *file, const char *buffer,
672 unsigned long count, void *data);
673 extern int lprocfs_rd_pinger_recov(char *page, char **start, off_t off,
674 int count, int *eof, void *data);
675 extern int lprocfs_wr_pinger_recov(struct file *file, const char *buffer,
676 unsigned long count, void *data);
679 extern int lprocfs_rd_blksize(char *page, char **start, off_t off,
680 int count, int *eof, void *data);
681 extern int lprocfs_rd_kbytestotal(char *page, char **start, off_t off,
682 int count, int *eof, void *data);
683 extern int lprocfs_rd_kbytesfree(char *page, char **start, off_t off,
684 int count, int *eof, void *data);
685 extern int lprocfs_rd_kbytesavail(char *page, char **start, off_t off,
686 int count, int *eof, void *data);
687 extern int lprocfs_rd_filestotal(char *page, char **start, off_t off,
688 int count, int *eof, void *data);
689 extern int lprocfs_rd_filesfree(char *page, char **start, off_t off,
690 int count, int *eof, void *data);
691 extern int lprocfs_rd_filegroups(char *page, char **start, off_t off,
692 int count, int *eof, void *data);
694 extern int lprocfs_write_helper(const char *buffer, unsigned long count,
696 extern int lprocfs_write_frac_helper(const char *buffer, unsigned long count,
698 extern int lprocfs_read_frac_helper(char *buffer, unsigned long count,
700 extern int lprocfs_write_u64_helper(const char *buffer, unsigned long count,
702 extern int lprocfs_write_frac_u64_helper(const char *buffer,
704 __u64 *val, int mult);
705 char *lprocfs_find_named_value(const char *buffer, const char *name,
706 unsigned long *count);
707 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value);
708 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value);
709 void lprocfs_oh_clear(struct obd_histogram *oh);
710 unsigned long lprocfs_oh_sum(struct obd_histogram *oh);
712 void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
713 struct lprocfs_counter *cnt);
715 /* lprocfs_status.c: recovery status */
716 int lprocfs_obd_rd_recovery_status(char *page, char **start, off_t off,
717 int count, int *eof, void *data);
719 /* lprocfs_statuc.c: hash statistics */
720 int lprocfs_obd_rd_hash(char *page, char **start, off_t off,
721 int count, int *eof, void *data);
723 /* lprocfs_status.c: IR factor */
724 int lprocfs_obd_rd_ir_factor(char *page, char **start, off_t off,
725 int count, int *eof, void *data);
726 int lprocfs_obd_wr_ir_factor(struct file *file, const char *buffer,
727 unsigned long count, void *data);
729 extern int lprocfs_single_release(cfs_inode_t *, struct file *);
730 extern int lprocfs_seq_release(cfs_inode_t *, struct file *);
732 /* You must use these macros when you want to refer to
733 * the import in a client obd_device for a lprocfs entry */
734 #define LPROCFS_CLIMP_CHECK(obd) do { \
735 typecheck(struct obd_device *, obd); \
736 down_read(&(obd)->u.cli.cl_sem); \
737 if ((obd)->u.cli.cl_import == NULL) { \
738 up_read(&(obd)->u.cli.cl_sem); \
742 #define LPROCFS_CLIMP_EXIT(obd) \
743 up_read(&(obd)->u.cli.cl_sem);
746 /* write the name##_seq_show function, call LPROC_SEQ_FOPS_RO for read-only
747 proc entries; otherwise, you will define name##_seq_write function also for
748 a read-write proc entry, and then call LPROC_SEQ_SEQ instead. Finally,
749 call lprocfs_obd_seq_create(obd, filename, 0444, &name#_fops, data); */
750 #define __LPROC_SEQ_FOPS(name, custom_seq_write) \
751 static int name##_single_open(cfs_inode_t *inode, struct file *file) { \
752 struct proc_dir_entry *dp = PDE(inode); \
754 LPROCFS_ENTRY_AND_CHECK(dp); \
755 rc = single_open(file, name##_seq_show, dp->data); \
762 struct file_operations name##_fops = { \
763 .owner = THIS_MODULE, \
764 .open = name##_single_open, \
766 .write = custom_seq_write, \
767 .llseek = seq_lseek, \
768 .release = lprocfs_single_release, \
771 #define LPROC_SEQ_FOPS_RO(name) __LPROC_SEQ_FOPS(name, NULL)
772 #define LPROC_SEQ_FOPS(name) __LPROC_SEQ_FOPS(name, name##_seq_write)
774 /* lprocfs_jobstats.c */
775 int lprocfs_job_stats_log(struct obd_device *obd, char *jobid,
776 int event, long amount);
777 void lprocfs_job_stats_fini(struct obd_device *obd);
778 int lprocfs_job_stats_init(struct obd_device *obd, int cntr_num,
779 cntr_init_callback fn);
780 int lprocfs_rd_job_interval(char *page, char **start, off_t off,
781 int count, int *eof, void *data);
782 int lprocfs_wr_job_interval(struct file *file, const char *buffer,
783 unsigned long count, void *data);
786 struct ptlrpc_request;
787 extern void target_print_req(void *seq_file, struct ptlrpc_request *req);
790 int lprocfs_obd_rd_recovery_time_soft(char *page, char **start, off_t off,
791 int count, int *eof, void *data);
792 int lprocfs_obd_wr_recovery_time_soft(struct file *file,
794 unsigned long count, void *data);
795 int lprocfs_obd_rd_recovery_time_hard(char *page, char **start, off_t off,
796 int count, int *eof, void *data);
797 int lprocfs_obd_wr_recovery_time_hard(struct file *file,
799 unsigned long count, void *data);
800 int lprocfs_obd_rd_max_pages_per_rpc(char *page, char **start, off_t off,
801 int count, int *eof, void *data);
802 int lprocfs_obd_wr_max_pages_per_rpc(struct file *file, const char *buffer,
803 unsigned long count, void *data);
804 int lprocfs_target_rd_instance(char *page, char **start, off_t off,
805 int count, int *eof, void *data);
807 /* all quota proc functions */
808 extern int lprocfs_quota_rd_bunit(char *page, char **start,
809 off_t off, int count,
810 int *eof, void *data);
811 extern int lprocfs_quota_wr_bunit(struct file *file, const char *buffer,
812 unsigned long count, void *data);
813 extern int lprocfs_quota_rd_btune(char *page, char **start,
814 off_t off, int count,
815 int *eof, void *data);
816 extern int lprocfs_quota_wr_btune(struct file *file, const char *buffer,
817 unsigned long count, void *data);
818 extern int lprocfs_quota_rd_iunit(char *page, char **start,
819 off_t off, int count,
820 int *eof, void *data);
821 extern int lprocfs_quota_wr_iunit(struct file *file, const char *buffer,
822 unsigned long count, void *data);
823 extern int lprocfs_quota_rd_itune(char *page, char **start,
824 off_t off, int count,
825 int *eof, void *data);
826 extern int lprocfs_quota_wr_itune(struct file *file, const char *buffer,
827 unsigned long count, void *data);
828 extern int lprocfs_quota_rd_type(char *page, char **start, off_t off, int count,
829 int *eof, void *data);
830 extern int lprocfs_quota_wr_type(struct file *file, const char *buffer,
831 unsigned long count, void *data);
832 extern int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
833 int count, int *eof, void *data);
834 extern int lprocfs_quota_wr_switch_seconds(struct file *file,
836 unsigned long count, void *data);
837 extern int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
838 int count, int *eof, void *data);
839 extern int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
840 unsigned long count, void *data);
841 extern int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
842 int count, int *eof, void *data);
843 extern int lprocfs_quota_wr_switch_qs(struct file *file,
845 unsigned long count, void *data);
846 extern int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
847 int count, int *eof, void *data);
848 extern int lprocfs_quota_wr_boundary_factor(struct file *file,
850 unsigned long count, void *data);
851 extern int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
852 int count, int *eof, void *data);
853 extern int lprocfs_quota_wr_least_bunit(struct file *file,
855 unsigned long count, void *data);
856 extern int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
857 int count, int *eof, void *data);
858 extern int lprocfs_quota_wr_least_iunit(struct file *file,
860 unsigned long count, void *data);
861 extern int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off,
862 int count, int *eof, void *data);
863 extern int lprocfs_quota_wr_qs_factor(struct file *file,
865 unsigned long count, void *data);
867 /* LPROCFS is not defined */
869 #define proc_lustre_root NULL
871 static inline void lprocfs_counter_add(struct lprocfs_stats *stats,
872 int index, long amount)
874 static inline void lprocfs_counter_incr(struct lprocfs_stats *stats,
877 static inline void lprocfs_counter_sub(struct lprocfs_stats *stats,
878 int index, long amount)
880 static inline void lprocfs_counter_decr(struct lprocfs_stats *stats,
883 static inline void lprocfs_counter_init(struct lprocfs_stats *stats,
884 int index, unsigned conf,
885 const char *name, const char *units)
888 static inline __u64 lc_read_helper(struct lprocfs_counter *lc,
889 enum lprocfs_fields_flags field)
892 /* NB: we return !NULL to satisfy error checker */
893 static inline struct lprocfs_stats *
894 lprocfs_alloc_stats(unsigned int num, enum lprocfs_stats_flags flags)
895 { return (struct lprocfs_stats *)1; }
896 static inline void lprocfs_clear_stats(struct lprocfs_stats *stats)
898 static inline void lprocfs_free_stats(struct lprocfs_stats **stats)
900 static inline int lprocfs_register_stats(cfs_proc_dir_entry_t *root,
902 struct lprocfs_stats *stats)
904 static inline void lprocfs_init_ops_stats(int num_private_stats,
905 struct lprocfs_stats *stats)
907 static inline void lprocfs_init_mps_stats(int num_private_stats,
908 struct lprocfs_stats *stats)
910 static inline void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats)
912 static inline int lprocfs_alloc_obd_stats(struct obd_device *obddev,
913 unsigned int num_private_stats)
915 static inline int lprocfs_alloc_md_stats(struct obd_device *obddev,
916 unsigned int num_private_stats)
918 static inline void lprocfs_free_obd_stats(struct obd_device *obddev)
920 static inline void lprocfs_free_md_stats(struct obd_device *obddev)
924 static inline int lprocfs_add_clear_entry(struct obd_export *exp)
926 static inline int lprocfs_exp_setup(struct obd_export *exp,lnet_nid_t *peer_nid,
929 static inline int lprocfs_exp_cleanup(struct obd_export *exp)
931 static inline cfs_proc_dir_entry_t *
932 lprocfs_add_simple(struct proc_dir_entry *root, char *name,
933 cfs_read_proc_t *read_proc, cfs_write_proc_t *write_proc,
934 void *data, struct file_operations *fops)
936 static inline struct proc_dir_entry *
937 lprocfs_add_symlink(const char *name, struct proc_dir_entry *parent,
938 const char *format, ...)
940 static inline void lprocfs_free_per_client_stats(struct obd_device *obd)
943 int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
944 unsigned long count, void *data)
947 int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off,
948 int count, int *eof, void *data)
951 static inline cfs_proc_dir_entry_t *
952 lprocfs_register(const char *name, cfs_proc_dir_entry_t *parent,
953 struct lprocfs_vars *list, void *data)
955 static inline int lprocfs_add_vars(cfs_proc_dir_entry_t *root,
956 struct lprocfs_vars *var,
959 static inline void lprocfs_remove(cfs_proc_dir_entry_t **root)
961 static inline void lprocfs_remove_proc_entry(const char *name,
962 struct proc_dir_entry *parent)
964 static inline void lprocfs_try_remove_proc_entry(const char *name,
965 struct proc_dir_entry *parent)
967 static inline cfs_proc_dir_entry_t *lprocfs_srch(cfs_proc_dir_entry_t *head,
970 static inline int lprocfs_obd_setup(struct obd_device *dev,
971 struct lprocfs_vars *list)
973 static inline int lprocfs_obd_cleanup(struct obd_device *dev)
975 static inline int lprocfs_rd_u64(char *page, char **start, off_t off,
976 int count, int *eof, void *data)
978 static inline int lprocfs_rd_uuid(char *page, char **start, off_t off,
979 int count, int *eof, void *data)
981 static inline int lprocfs_rd_name(char *page, char **start, off_t off,
982 int count, int *eof, void *data)
984 static inline int lprocfs_rd_server_uuid(char *page, char **start, off_t off,
985 int count, int *eof, void *data)
987 static inline int lprocfs_rd_conn_uuid(char *page, char **start, off_t off,
988 int count, int *eof, void *data)
990 static inline int lprocfs_rd_import(char *page, char **start, off_t off,
991 int count, int *eof, void *data)
993 static inline int lprocfs_rd_pinger_recov(char *page, char **start, off_t off,
994 int count, int *eof, void *data)
996 static inline int lprocfs_rd_state(char *page, char **start, off_t off,
997 int count, int *eof, void *data)
999 static inline int lprocfs_rd_connect_flags(char *page, char **start, off_t off,
1000 int count, int *eof, void *data)
1002 static inline int lprocfs_rd_num_exports(char *page, char **start, off_t off,
1003 int count, int *eof, void *data)
1005 static inline int lprocfs_rd_numrefs(char *page, char **start, off_t off,
1006 int count, int *eof, void *data)
1008 struct adaptive_timeout;
1009 static inline int lprocfs_at_hist_helper(char *page, int count, int rc,
1010 struct adaptive_timeout *at)
1012 static inline int lprocfs_rd_timeouts(char *page, char **start, off_t off,
1013 int count, int *eof, void *data)
1015 static inline int lprocfs_wr_timeouts(struct file *file,
1017 unsigned long count, void *data)
1019 static inline int lprocfs_wr_evict_client(struct file *file,
1021 unsigned long count, void *data)
1023 static inline int lprocfs_wr_ping(struct file *file, const char *buffer,
1024 unsigned long count, void *data)
1026 static inline int lprocfs_wr_import(struct file *file, const char *buffer,
1027 unsigned long count, void *data)
1029 static inline int lprocfs_wr_pinger_recov(struct file *file, const char *buffer,
1030 unsigned long count, void *data)
1033 /* Statfs helpers */
1035 int lprocfs_rd_blksize(char *page, char **start, off_t off,
1036 int count, int *eof, void *data)
1039 int lprocfs_rd_kbytestotal(char *page, char **start, off_t off,
1040 int count, int *eof, void *data)
1043 int lprocfs_rd_kbytesfree(char *page, char **start, off_t off,
1044 int count, int *eof, void *data)
1047 int lprocfs_rd_kbytesavail(char *page, char **start, off_t off,
1048 int count, int *eof, void *data)
1051 int lprocfs_rd_filestotal(char *page, char **start, off_t off,
1052 int count, int *eof, void *data)
1055 int lprocfs_rd_filesfree(char *page, char **start, off_t off,
1056 int count, int *eof, void *data)
1059 int lprocfs_rd_filegroups(char *page, char **start, off_t off,
1060 int count, int *eof, void *data)
1063 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value)
1066 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value)
1069 void lprocfs_oh_clear(struct obd_histogram *oh)
1072 unsigned long lprocfs_oh_sum(struct obd_histogram *oh)
1075 void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
1076 struct lprocfs_counter *cnt)
1079 __u64 lprocfs_stats_collector(struct lprocfs_stats *stats, int idx,
1080 enum lprocfs_fields_flags field)
1081 { return (__u64)0; }
1083 #define LPROC_SEQ_FOPS_RO(name)
1084 #define LPROC_SEQ_FOPS(name)
1086 /* lprocfs_jobstats.c */
1088 int lprocfs_job_stats_log(struct obd_device *obd, char *jobid, int event,
1092 void lprocfs_job_stats_fini(struct obd_device *obd)
1095 int lprocfs_job_stats_init(struct obd_device *obd, int cntr_num,
1096 cntr_init_callback fn)
1100 /* lproc_ptlrpc.c */
1101 #define target_print_req NULL
1103 #endif /* LPROCFS */
1105 #endif /* LPROCFS_SNMP_H */