/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2002, 2003 Cluster File Systems, Inc.
- * Author: Hariharan Thantry <thantry@users.sourceforge.net>
+ * GPL HEADER START
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * You may have signed or agreed to another license before downloading
- * this software. If so, you are bound by the terms and conditions
- * of that agreement, and the following does not apply to you. See the
- * LICENSE file included with this distribution for more information.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * If you did not agree to a different license, then this copy of Lustre
- * is open source software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * In either case, Lustre is distributed in the hope that it will be
- * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * license text for more details.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/obdclass/lprocfs_status.c
+ *
+ * Author: Hariharan Thantry <thantry@users.sourceforge.net>
*/
#ifndef EXPORT_SYMTAB
if (head == NULL)
return NULL;
+ LPROCFS_ENTRY();
temp = head->subdir;
while (temp != NULL) {
- if (strcmp(temp->name, name) == 0)
+ if (strcmp(temp->name, name) == 0) {
+ LPROCFS_EXIT();
return temp;
+ }
temp = temp->next;
}
+ LPROCFS_EXIT();
return NULL;
}
{
struct proc_dir_entry *proc;
mode_t mode = 0;
-
+
if (root == NULL || name == NULL)
return -EINVAL;
if (read_proc)
return 0;
}
+struct proc_dir_entry *lprocfs_add_symlink(const char *name,
+ struct proc_dir_entry *parent, const char *dest)
+{
+ struct proc_dir_entry *entry;
+
+ if (parent == NULL || dest == NULL)
+ return NULL;
+
+ entry = proc_symlink(name, parent, dest);
+ if (entry == NULL)
+ CERROR("LprocFS: Could not create symbolic link from %s to %s",
+ name, dest);
+ return entry;
+}
+
static ssize_t lprocfs_fops_read(struct file *f, char __user *buf,
size_t size, loff_t *ppos)
{
LPROCFS_ENTRY();
OBD_FAIL_TIMEOUT(OBD_FAIL_LPROC_REMOVE, 10);
if (!dp->deleted && dp->read_proc)
- rc = dp->read_proc(page, &start, *ppos, CFS_PAGE_SIZE,
+ rc = dp->read_proc(page, &start, *ppos, CFS_PAGE_SIZE,
&eof, dp->data);
LPROCFS_EXIT();
if (rc <= 0)
static ssize_t lprocfs_fops_write(struct file *f, const char __user *buf, size_t size, loff_t *ppos)
{
struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
- int rc = 0;
+ int rc = -EIO;
LPROCFS_ENTRY();
if (!dp->deleted && dp->write_proc)
};
EXPORT_SYMBOL(lprocfs_evict_client_fops);
+/**
+ * Add /proc entrys.
+ *
+ * \param root [in] The parent proc entry on which new entry will be added.
+ * \param list [in] Array of proc entries to be added.
+ * \param data [in] The argument to be passed when entries read/write routines
+ * are called through /proc file.
+ *
+ * \retval 0 on success
+ * < 0 on error
+ */
int lprocfs_add_vars(struct proc_dir_entry *root, struct lprocfs_vars *list,
void *data)
{
proc_mkdir(cur, cur_root));
} else if (proc == NULL) {
mode_t mode = 0;
- if (list->read_fptr)
- mode = 0444;
- if (list->write_fptr)
- mode |= 0200;
+ if (list->proc_mode != 0000) {
+ mode = list->proc_mode;
+ } else {
+ if (list->read_fptr)
+ mode = 0444;
+ if (list->write_fptr)
+ mode |= 0200;
+ }
proc = create_proc_entry(cur, mode, cur_root);
}
}
struct proc_dir_entry *rm_entry;
struct proc_dir_entry *parent;
- if (!root)
+ if (!root)
return;
*rooth = NULL;
parent = root->parent;
LASSERT(parent != NULL);
-
+ LPROCFS_WRITE_ENTRY(); /* search vs remove race */
+
while (1) {
while (temp->subdir != NULL)
temp = temp->subdir;
"0x%p %s/%s len %d\n", rm_entry, temp->name,
rm_entry->name, (int)strlen(rm_entry->name));
- /* Now, the rm_entry->deleted flags is protected
+ /* Now, the rm_entry->deleted flags is protected
* by _lprocfs_lock. */
- down_write(&_lprocfs_lock);
rm_entry->data = NULL;
- remove_proc_entry(rm_entry->name, rm_entry->parent);
- up_write(&_lprocfs_lock);
+ remove_proc_entry(rm_entry->name, temp);
if (temp == parent)
break;
}
+ LPROCFS_WRITE_EXIT();
+}
+
+void lprocfs_remove_proc_entry(const char *name, struct proc_dir_entry *parent)
+{
+ LASSERT(parent != NULL);
+ remove_proc_entry(name, parent);
}
struct proc_dir_entry *lprocfs_register(const char *name,
atomic_t *atm = data;
int val = 0;
int rc;
-
+
rc = lprocfs_write_helper(buffer, count, &val);
if (rc < 0)
return rc;
if (val <= 0)
return -ERANGE;
-
+
atomic_set(atm, val);
return count;
}
int *eof, void *data)
{
struct obd_statfs osfs;
- int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ);
+ int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ OBD_STATFS_NODELAY);
if (!rc) {
*eof = 1;
rc = snprintf(page, count, "%u\n", osfs.os_bsize);
int *eof, void *data)
{
struct obd_statfs osfs;
- int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ);
+ int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ OBD_STATFS_NODELAY);
if (!rc) {
__u32 blk_size = osfs.os_bsize >> 10;
__u64 result = osfs.os_blocks;
int *eof, void *data)
{
struct obd_statfs osfs;
- int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ);
+ int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ OBD_STATFS_NODELAY);
if (!rc) {
__u32 blk_size = osfs.os_bsize >> 10;
__u64 result = osfs.os_bfree;
int *eof, void *data)
{
struct obd_statfs osfs;
- int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ);
+ int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ OBD_STATFS_NODELAY);
if (!rc) {
__u32 blk_size = osfs.os_bsize >> 10;
__u64 result = osfs.os_bavail;
int *eof, void *data)
{
struct obd_statfs osfs;
- int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ);
+ int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ OBD_STATFS_NODELAY);
if (!rc) {
*eof = 1;
rc = snprintf(page, count, LPU64"\n", osfs.os_files);
int *eof, void *data)
{
struct obd_statfs osfs;
- int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ);
+ int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ OBD_STATFS_NODELAY);
if (!rc) {
*eof = 1;
rc = snprintf(page, count, LPU64"\n", osfs.os_ffree);
return rc;
}
+int lprocfs_at_hist_helper(char *page, int count, int rc,
+ struct adaptive_timeout *at)
+{
+ int i;
+ for (i = 0; i < AT_BINS; i++)
+ rc += snprintf(page + rc, count - rc, "%3u ", at->at_hist[i]);
+ rc += snprintf(page + rc, count - rc, "\n");
+ return rc;
+}
+
+/* See also ptlrpc_lprocfs_rd_timeouts */
+int lprocfs_rd_timeouts(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+ struct obd_import *imp;
+ unsigned int cur, worst;
+ time_t now, worstt;
+ struct dhms ts;
+ int i, rc = 0;
+
+ LASSERT(obd != NULL);
+ LPROCFS_CLIMP_CHECK(obd);
+ imp = obd->u.cli.cl_import;
+ *eof = 1;
+
+ now = cfs_time_current_sec();
+
+ /* Some network health info for kicks */
+ s2dhms(&ts, now - imp->imp_last_reply_time);
+ rc += snprintf(page + rc, count - rc,
+ "%-10s : %ld, "DHMS_FMT" ago\n",
+ "last reply", imp->imp_last_reply_time, DHMS_VARS(&ts));
+
+
+ cur = at_get(&imp->imp_at.iat_net_latency);
+ worst = imp->imp_at.iat_net_latency.at_worst_ever;
+ worstt = imp->imp_at.iat_net_latency.at_worst_time;
+ s2dhms(&ts, now - worstt);
+ rc += snprintf(page + rc, count - rc,
+ "%-10s : cur %3u worst %3u (at %ld, "DHMS_FMT" ago) ",
+ "network", cur, worst, worstt, DHMS_VARS(&ts));
+ rc = lprocfs_at_hist_helper(page, count, rc,
+ &imp->imp_at.iat_net_latency);
+
+ for(i = 0; i < IMP_AT_MAX_PORTALS; i++) {
+ if (imp->imp_at.iat_portal[i] == 0)
+ break;
+ cur = at_get(&imp->imp_at.iat_service_estimate[i]);
+ worst = imp->imp_at.iat_service_estimate[i].at_worst_ever;
+ worstt = imp->imp_at.iat_service_estimate[i].at_worst_time;
+ s2dhms(&ts, now - worstt);
+ rc += snprintf(page + rc, count - rc,
+ "portal %-2d : cur %3u worst %3u (at %ld, "
+ DHMS_FMT" ago) ", imp->imp_at.iat_portal[i],
+ cur, worst, worstt, DHMS_VARS(&ts));
+ rc = lprocfs_at_hist_helper(page, count, rc,
+ &imp->imp_at.iat_service_estimate[i]);
+ }
+
+ LPROCFS_CLIMP_EXIT(obd);
+ return rc;
+}
+
static const char *obd_connect_names[] = {
"read_only",
"lov_index",
"request_portal",
"acl",
"xattr",
+ "create_on_write",
"truncate_lock",
+ "initial_transno",
"inode_bit_locks",
"join_file",
"getattr_by_fid",
"64bit_qdata",
"mds_capability",
"oss_capability",
- "early_cancel",
+ "early_lock_cancel",
"size_on_mds",
- "adaptive_timeouts"
+ "adaptive_timeouts",
"lru_resize",
"mds_mds_connection",
"real_conn",
+ "change_qunit_size",
+ "alt_checksum_algorithm",
+ "fid_is_enabled",
NULL
};
int lprocfs_obd_cleanup(struct obd_device *obd)
{
- if (!obd)
+ if (!obd)
return -EINVAL;
- if (obd->obd_proc_exports) {
+ if (obd->obd_proc_exports_entry) {
/* Should be no exports left */
- LASSERT(obd->obd_proc_exports->subdir == NULL);
- lprocfs_remove(&obd->obd_proc_exports);
+ LASSERT(obd->obd_proc_exports_entry->subdir == NULL);
+ lprocfs_remove(&obd->obd_proc_exports_entry);
}
lprocfs_remove(&obd->obd_proc_entry);
return 0;
}
-struct lprocfs_stats *lprocfs_alloc_stats(unsigned int num)
+static void lprocfs_free_client_stats(struct nid_stat *client_stat)
+{
+ CDEBUG(D_CONFIG, "stat %p - data %p/%p/%p\n", client_stat,
+ client_stat->nid_proc, client_stat->nid_stats,
+ client_stat->nid_brw_stats);
+
+ LASSERTF(client_stat->nid_exp_ref_count == 0, "count %d\n",
+ client_stat->nid_exp_ref_count);
+
+ hlist_del_init(&client_stat->nid_hash);
+
+ if (client_stat->nid_proc)
+ lprocfs_remove(&client_stat->nid_proc);
+
+ if (client_stat->nid_stats)
+ lprocfs_free_stats(&client_stat->nid_stats);
+
+ if (client_stat->nid_brw_stats)
+ OBD_FREE(client_stat->nid_brw_stats, sizeof(struct brw_stats));
+
+ OBD_FREE(client_stat, sizeof(*client_stat));
+ return;
+
+}
+
+void lprocfs_free_per_client_stats(struct obd_device *obd)
+{
+ struct nid_stat *stat;
+ ENTRY;
+
+ /* we need extra list - because hash_exit called to early */
+ /* not need locking because all clients is died */
+ while(!list_empty(&obd->obd_nid_stats)) {
+ stat = list_entry(obd->obd_nid_stats.next,
+ struct nid_stat, nid_list);
+ list_del_init(&stat->nid_list);
+ lprocfs_free_client_stats(stat);
+ }
+
+ EXIT;
+}
+
+struct lprocfs_stats *lprocfs_alloc_stats(unsigned int num,
+ enum lprocfs_stats_flags flags)
{
struct lprocfs_stats *stats;
- struct lprocfs_percpu *percpu;
unsigned int percpusize;
- unsigned int i;
+ unsigned int i, j;
+ unsigned int num_cpu;
if (num == 0)
return NULL;
- OBD_ALLOC(stats, offsetof(typeof(*stats), ls_percpu[num_online_cpus()]));
+ if (flags & LPROCFS_STATS_FLAG_NOPERCPU)
+ num_cpu = 1;
+ else
+ num_cpu = num_possible_cpus();
+
+ OBD_ALLOC(stats, offsetof(typeof(*stats), ls_percpu[num_cpu]));
if (stats == NULL)
return NULL;
- percpusize = L1_CACHE_ALIGN(offsetof(typeof(*percpu), lp_cntr[num]));
- stats->ls_percpu_size = num_online_cpus() * percpusize;
- OBD_ALLOC(stats->ls_percpu[0], stats->ls_percpu_size);
+ if (flags & LPROCFS_STATS_FLAG_NOPERCPU) {
+ stats->ls_flags = flags;
+ spin_lock_init(&stats->ls_lock);
+ /* Use this lock only if there are no percpu areas */
+ } else {
+ stats->ls_flags = 0;
+ }
+
+ percpusize = offsetof(struct lprocfs_percpu, lp_cntr[num]);
+ if (num_cpu > 1)
+ percpusize = L1_CACHE_ALIGN(percpusize);
+
+ for (i = 0; i < num_cpu; i++) {
+ OBD_ALLOC(stats->ls_percpu[i], percpusize);
+ if (stats->ls_percpu[i] == NULL) {
+ for (j = 0; j < i; j++) {
+ OBD_FREE(stats->ls_percpu[j], percpusize);
+ stats->ls_percpu[j] = NULL;
+ }
+ break;
+ }
+ }
if (stats->ls_percpu[0] == NULL) {
OBD_FREE(stats, offsetof(typeof(*stats),
- ls_percpu[num_online_cpus()]));
+ ls_percpu[num_cpu]));
return NULL;
}
stats->ls_num = num;
- for (i = 1; i < num_online_cpus(); i++)
- stats->ls_percpu[i] = (void *)(stats->ls_percpu[i - 1]) +
- percpusize;
-
return stats;
}
void lprocfs_free_stats(struct lprocfs_stats **statsh)
{
struct lprocfs_stats *stats = *statsh;
+ unsigned int num_cpu;
+ unsigned int percpusize;
+ unsigned int i;
if (stats == NULL || stats->ls_num == 0)
return;
*statsh = NULL;
- OBD_FREE(stats->ls_percpu[0], stats->ls_percpu_size);
- OBD_FREE(stats, offsetof(typeof(*stats), ls_percpu[num_online_cpus()]));
+ if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU)
+ num_cpu = 1;
+ else
+ num_cpu = num_possible_cpus();
+
+ percpusize = offsetof(struct lprocfs_percpu, lp_cntr[stats->ls_num]);
+ if (num_cpu > 1)
+ percpusize = L1_CACHE_ALIGN(percpusize);
+ for (i = 0; i < num_cpu; i++)
+ OBD_FREE(stats->ls_percpu[i], percpusize);
+ OBD_FREE(stats, offsetof(typeof(*stats), ls_percpu[num_cpu]));
}
void lprocfs_clear_stats(struct lprocfs_stats *stats)
{
struct lprocfs_counter *percpu_cntr;
int i,j;
+ unsigned int num_cpu;
+
+ num_cpu = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU);
- for (i = 0; i < num_online_cpus(); i++) {
- for (j = 0; j < stats->ls_num; j++) {
+ for (i = 0; i < num_cpu; i++) {
+ for (j = 0; j < stats->ls_num; j++) {
percpu_cntr = &(stats->ls_percpu[i])->lp_cntr[j];
atomic_inc(&percpu_cntr->lc_cntl.la_entry);
percpu_cntr->lc_count = 0;
percpu_cntr->lc_sum = 0;
- percpu_cntr->lc_min = ~(__u64)0;
+ percpu_cntr->lc_min = LC_MIN_INIT;
percpu_cntr->lc_max = 0;
percpu_cntr->lc_sumsquare = 0;
atomic_inc(&percpu_cntr->lc_cntl.la_exit);
}
}
+
+ lprocfs_stats_unlock(stats);
}
static ssize_t lprocfs_stats_seq_write(struct file *file, const char *buf,
{
struct lprocfs_stats *stats = p->private;
struct lprocfs_counter *cntr = v;
- struct lprocfs_counter t, ret = { .lc_min = ~(__u64)0 };
+ struct lprocfs_counter t, ret = { .lc_min = LC_MIN_INIT };
int i, idx, rc;
+ unsigned int num_cpu;
if (cntr == &(stats->ls_percpu[0])->lp_cntr[0]) {
struct timeval now;
}
idx = cntr - &(stats->ls_percpu[0])->lp_cntr[0];
- for (i = 0; i < num_online_cpus(); i++) {
+ if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU)
+ num_cpu = 1;
+ else
+ num_cpu = num_possible_cpus();
+
+ for (i = 0; i < num_cpu; i++) {
struct lprocfs_counter *percpu_cntr =
&(stats->ls_percpu[i])->lp_cntr[idx];
int centry;
ret.lc_sumsquare += t.lc_sumsquare;
}
- rc = seq_printf(p, "%-25s "LPU64" samples [%s]", cntr->lc_name,
+ rc = seq_printf(p, "%-25s "LPD64" samples [%s]", cntr->lc_name,
ret.lc_count, cntr->lc_units);
if (rc < 0)
goto out;
if ((cntr->lc_config & LPROCFS_CNTR_AVGMINMAX) && (ret.lc_count > 0)) {
- rc = seq_printf(p, " "LPU64" "LPU64" "LPU64,
+ rc = seq_printf(p, " "LPD64" "LPD64" "LPD64,
ret.lc_min, ret.lc_max, ret.lc_sum);
if (rc < 0)
goto out;
if (cntr->lc_config & LPROCFS_CNTR_STDDEV)
- rc = seq_printf(p, " "LPU64, ret.lc_sumsquare);
+ rc = seq_printf(p, " "LPD64, ret.lc_sumsquare);
if (rc < 0)
goto out;
}
{
struct lprocfs_counter *c;
int i;
+ unsigned int num_cpu;
LASSERT(stats != NULL);
- for (i = 0; i < num_online_cpus(); i++) {
+
+ num_cpu = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU);
+
+ for (i = 0; i < num_cpu; i++) {
c = &(stats->ls_percpu[i]->lp_cntr[index]);
c->lc_config = conf;
c->lc_count = 0;
c->lc_sum = 0;
- c->lc_min = ~(__u64)0;
+ c->lc_min = LC_MIN_INIT;
c->lc_max = 0;
c->lc_name = name;
c->lc_units = units;
}
+
+ lprocfs_stats_unlock(stats);
}
EXPORT_SYMBOL(lprocfs_counter_init);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, brw);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, brw_async);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, prep_async_page);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, reget_short_lock);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, release_short_lock);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, queue_async_io);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, queue_group_io);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, trigger_group_io);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, import_event);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, notify);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, health_check);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, get_uuid);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, quotacheck);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, quotactl);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, ping);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, register_page_removal_cb);
+ LPROCFS_OBD_OP_INIT(num_private_stats,stats,unregister_page_removal_cb);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, register_lock_cancel_cb);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats,unregister_lock_cancel_cb);
}
int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
num_stats = ((int)sizeof(*obd->obd_type->typ_dt_ops) / sizeof(void *)) +
num_private_stats - 1 /* o_owner */;
- stats = lprocfs_alloc_stats(num_stats);
+ stats = lprocfs_alloc_stats(num_stats, 0);
if (stats == NULL)
return -ENOMEM;
void lprocfs_free_obd_stats(struct obd_device *obd)
{
- if (obd->obd_stats)
+ if (obd->obd_stats)
lprocfs_free_stats(&obd->obd_stats);
}
num_stats = 1 + MD_COUNTER_OFFSET(get_remote_perm) +
num_private_stats;
- stats = lprocfs_alloc_stats(num_stats);
+ stats = lprocfs_alloc_stats(num_stats, 0);
if (stats == NULL)
return -ENOMEM;
LPROCFS_MD_OP_INIT(num_private_stats, stats, cancel_unused);
LPROCFS_MD_OP_INIT(num_private_stats, stats, renew_capa);
LPROCFS_MD_OP_INIT(num_private_stats, stats, get_remote_perm);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, intent_getattr_async);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, revalidate_lock);
for (i = num_private_stats; i < num_stats; i++) {
if (stats->ls_percpu[0]->lp_cntr[i].lc_name == NULL) {
return snprintf(page, count, "%s\n", obd_export_nid2str(exp));
}
+struct exp_uuid_cb_data {
+ char *page;
+ int count;
+ int *eof;
+ int *len;
+};
+
+void lprocfs_exp_print_uuid(void *obj, void *cb_data)
+{
+ struct obd_export *exp = (struct obd_export *)obj;
+ struct exp_uuid_cb_data *data = (struct exp_uuid_cb_data *)cb_data;
+
+ if (exp->exp_nid_stats)
+ *data->len += snprintf((data->page + *data->len),
+ data->count, "%s\n",
+ obd_uuid2str(&exp->exp_client_uuid));
+}
+
int lprocfs_exp_rd_uuid(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+ int *eof, void *data)
+{
+ struct nid_stat *stats = (struct nid_stat *)data;
+ struct exp_uuid_cb_data cb_data;
+ struct obd_device *obd = stats->nid_obd;
+ int len = 0;
+
+ *eof = 1;
+ page[0] = '\0';
+ LASSERT(obd != NULL);
+
+ cb_data.page = page;
+ cb_data.count = count;
+ cb_data.eof = eof;
+ cb_data.len = &len;
+ lustre_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
+ lprocfs_exp_print_uuid, &cb_data);
+ return (*cb_data.len);
+}
+
+int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
{
- struct obd_export *exp = (struct obd_export*)data;
- LASSERT(exp != NULL);
*eof = 1;
- return snprintf(page, count, "%s\n",
- obd_uuid2str(&exp->exp_client_uuid));
+ return snprintf(page, count, "%s\n",
+ "Write into this file to clear all nid stats and "
+ "stale nid entries");
+}
+EXPORT_SYMBOL(lprocfs_nid_stats_clear_read);
+
+void lprocfs_nid_stats_clear_write_cb(void *obj, void *data)
+{
+ struct nid_stat *stat = obj;
+ int i;
+
+ /* object has only hash + iterate_all references.
+ * add/delete blocked by hash bucket lock */
+ CDEBUG(D_INFO,"refcnt %d\n", stat->nid_exp_ref_count);
+ if(stat->nid_exp_ref_count == 2) {
+ hlist_del_init(&stat->nid_hash);
+ stat->nid_exp_ref_count--;
+ spin_lock(&stat->nid_obd->obd_nid_lock);
+ list_del_init(&stat->nid_list);
+ spin_unlock(&stat->nid_obd->obd_nid_lock);
+ list_add(&stat->nid_list, data);
+ EXIT;
+ return;
+ }
+ /* we has reference to object - only clear data*/
+ if (stat->nid_stats)
+ lprocfs_clear_stats(stat->nid_stats);
+
+ if (stat->nid_brw_stats) {
+ for (i = 0; i < BRW_LAST; i++)
+ lprocfs_oh_clear(&stat->nid_brw_stats->hist[i]);
+ }
+ EXIT;
+ return;
+}
+
+int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+ struct nid_stat *client_stat;
+ CFS_LIST_HEAD(free_list);
+
+ lustre_hash_for_each(obd->obd_nid_stats_hash,
+ lprocfs_nid_stats_clear_write_cb, &free_list);
+
+ while (!list_empty(&free_list)) {
+ client_stat = list_entry(free_list.next, struct nid_stat, nid_list);
+ list_del_init(&client_stat->nid_list);
+ lprocfs_free_client_stats(client_stat);
+ }
+
+ return count;
}
-
-int lprocfs_exp_setup(struct obd_export *exp)
+EXPORT_SYMBOL(lprocfs_nid_stats_clear_write);
+
+int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid, int *newnid)
{
- char name[sizeof (exp->exp_client_uuid.uuid) + 3];
- int i = 1, rc;
+ int rc = 0;
+ struct nid_stat *tmp = NULL, *tmp1;
+ struct obd_device *obd = NULL;
ENTRY;
- if (!exp || !exp->exp_obd || !exp->exp_obd->obd_proc_exports)
+
+ *newnid = 0;
+
+ if (!exp || !exp->exp_obd || !exp->exp_obd->obd_proc_exports_entry ||
+ !exp->exp_obd->obd_nid_stats_hash)
RETURN(-EINVAL);
- mutex_down(&exp->exp_obd->obd_proc_exp_sem);
- sprintf(name, "%s", (char *)exp->exp_client_uuid.uuid);
- while (lprocfs_srch(exp->exp_obd->obd_proc_exports, name)) {
- /* We might add a new export before deleting the old one during
- an eviction (recovery-small 19a). Suckage. We
- could block, or come up with a new name, or just give up. */
- if (++i > 9)
- GOTO(out, rc = -EEXIST);
- sprintf(name, "%s:%d", (char *)exp->exp_client_uuid.uuid, i);
- }
- /* Create a proc entry for this export */
- exp->exp_proc = proc_mkdir(name, exp->exp_obd->obd_proc_exports);
- if (!exp->exp_proc) {
- CERROR("Error making export directory for %s\n", name);
- GOTO(out, rc = -ENOMEM);
+ /* not test against zero because eric say:
+ * You may only test nid against another nid, or LNET_NID_ANY. Anything else is
+ * nonsense.*/
+ if (!nid || *nid == LNET_NID_ANY)
+ RETURN(0);
+
+ obd = exp->exp_obd;
+
+ CDEBUG(D_CONFIG, "using hash %p\n", obd->obd_nid_stats_hash);
+
+ OBD_ALLOC(tmp, sizeof(struct nid_stat));
+ if (tmp == NULL)
+ RETURN(-ENOMEM);
+
+ tmp->nid = *nid;
+ tmp->nid_obd = exp->exp_obd;
+ tmp->nid_exp_ref_count = 1; /* need live in hash after destroy export */
+
+ /* protect competitive add to list, not need locking on destroy */
+ spin_lock(&obd->obd_nid_lock);
+ list_add(&tmp->nid_list, &obd->obd_nid_stats);
+ spin_unlock(&obd->obd_nid_lock);
+
+ tmp1 = lustre_hash_findadd_unique(obd->obd_nid_stats_hash,
+ nid, &tmp->nid_hash);
+ CDEBUG(D_INFO, "Found stats %p for nid %s - ref %d\n",
+ tmp1, libcfs_nid2str(*nid), tmp->nid_exp_ref_count);
+
+ if (tmp1 != tmp) {
+ exp->exp_nid_stats = tmp1;
+ GOTO(destroy_new, rc = 0);
+ }
+ /* not found - create */
+ tmp->nid_proc = lprocfs_register(libcfs_nid2str(*nid),
+ obd->obd_proc_exports_entry, NULL, NULL);
+ if (!tmp->nid_proc) {
+ CERROR("Error making export directory for"
+ " nid %s\n", libcfs_nid2str(*nid));
+ lustre_hash_del(obd->obd_nid_stats_hash, nid, &tmp->nid_hash);
+ GOTO(destroy_new, rc = -ENOMEM);
}
- /* Always add nid and uuid */
- rc = lprocfs_add_simple(exp->exp_proc, "nid",
- lprocfs_exp_rd_nid, NULL, exp);
- if (rc)
- GOTO(out, rc);
- rc = lprocfs_add_simple(exp->exp_proc, "uuid",
- lprocfs_exp_rd_uuid, NULL, exp);
+ rc = lprocfs_add_simple(tmp->nid_proc, "uuid",
+ lprocfs_exp_rd_uuid, NULL, tmp);
if (rc)
- GOTO(out, rc);
- /* Always add ldlm stats */
- exp->exp_ldlm_stats = lprocfs_alloc_stats(LDLM_LAST_OPC
- - LDLM_FIRST_OPC);
- if (exp->exp_ldlm_stats == NULL) {
- lprocfs_remove(&exp->exp_proc);
- GOTO(out, rc = -ENOMEM);
- }
+ CWARN("Error adding the uuid file\n");
- lprocfs_counter_init(exp->exp_ldlm_stats,
- LDLM_ENQUEUE - LDLM_FIRST_OPC,
- 0, "ldlm_enqueue", "reqs");
- lprocfs_counter_init(exp->exp_ldlm_stats,
- LDLM_CONVERT - LDLM_FIRST_OPC,
- 0, "ldlm_convert", "reqs");
- lprocfs_counter_init(exp->exp_ldlm_stats,
- LDLM_CANCEL - LDLM_FIRST_OPC,
- 0, "ldlm_cancel", "reqs");
- lprocfs_counter_init(exp->exp_ldlm_stats,
- LDLM_BL_CALLBACK - LDLM_FIRST_OPC,
- 0, "ldlm_bl_callback", "reqs");
- lprocfs_counter_init(exp->exp_ldlm_stats,
- LDLM_CP_CALLBACK - LDLM_FIRST_OPC,
- 0, "ldlm_cp_callback", "reqs");
- lprocfs_counter_init(exp->exp_ldlm_stats,
- LDLM_GL_CALLBACK - LDLM_FIRST_OPC,
- 0, "ldlm_gl_callback", "reqs");
- lprocfs_register_stats(exp->exp_proc, "ldlm_stats",
- exp->exp_ldlm_stats);
-out:
- mutex_up(&exp->exp_obd->obd_proc_exp_sem);
+ exp->exp_nid_stats = tmp;
+ *newnid = 1;
+ RETURN(rc);
+
+destroy_new:
+ spin_lock(&obd->obd_nid_lock);
+ list_del(&tmp->nid_list);
+ spin_unlock(&obd->obd_nid_lock);
+ OBD_FREE(tmp, sizeof(struct nid_stat));
RETURN(rc);
}
int lprocfs_exp_cleanup(struct obd_export *exp)
{
- mutex_down(&exp->exp_obd->obd_proc_exp_sem);
- lprocfs_remove(&exp->exp_proc);
- lprocfs_free_stats(&exp->exp_ops_stats);
- lprocfs_free_stats(&exp->exp_ldlm_stats);
- mutex_up(&exp->exp_obd->obd_proc_exp_sem);
+ struct nid_stat *stat = exp->exp_nid_stats;
+
+ if(!stat)
+ RETURN(0);
+
+ stat->nid_exp_ref_count--;
+ CDEBUG(D_INFO, "Put stat %p - %d\n", stat, stat->nid_exp_ref_count);
+
+ exp->exp_nid_stats = NULL;
return 0;
}
2. #echo x.0x > /proc/xxx output result : x.0x
3. #echo x.x0 > /proc/xxx output result : x.x
4. #echo x.xx > /proc/xxx output result : x.xx
- Only reserved 2bits fraction.
+ Only reserved 2bits fraction.
*/
for (i = 0; i < (5 - prtn); i++)
temp_mult *= 10;
units <<= 10;
}
/* Specified units override the multiplier */
- if (units)
+ if (units)
mult = mult < 0 ? -units : units;
frac *= mult;
return 0;
}
-int lprocfs_seq_create(cfs_proc_dir_entry_t *parent,
+int lprocfs_seq_create(cfs_proc_dir_entry_t *parent,
char *name, mode_t mode,
struct file_operations *seq_fops, void *data)
{
struct file_operations *seq_fops,
void *data)
{
- return (lprocfs_seq_create(dev->obd_proc_entry, name,
+ return (lprocfs_seq_create(dev->obd_proc_entry, name,
mode, seq_fops, data));
}
EXPORT_SYMBOL(lprocfs_obd_seq_create);
}
EXPORT_SYMBOL(lprocfs_oh_clear);
+int lprocfs_obd_rd_hash(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ int c = 0;
+
+ if (obd == NULL)
+ return 0;
+
+ c += lustre_hash_debug_header(page, count);
+ c += lustre_hash_debug_str(obd->obd_uuid_hash, page + c, count - c);
+ c += lustre_hash_debug_str(obd->obd_nid_hash, page + c, count - c);
+ c += lustre_hash_debug_str(obd->obd_nid_stats_hash, page+c, count-c);
+
+ return c;
+}
+EXPORT_SYMBOL(lprocfs_obd_rd_hash);
+
int lprocfs_obd_rd_recovery_status(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
if (lprocfs_obd_snprintf(&page, size, &len, "status: ") <= 0)
goto out;
-
if (obd->obd_max_recoverable_clients == 0) {
- lprocfs_obd_snprintf(&page, size, &len, "INACTIVE\n");
+ if (lprocfs_obd_snprintf(&page, size, &len, "INACTIVE\n") <= 0)
+ goto out;
+
goto fclose;
}
if (obd->obd_recovering == 0) {
if (lprocfs_obd_snprintf(&page, size, &len, "COMPLETE\n") <= 0)
goto out;
-
- if (lprocfs_obd_snprintf(&page, size, &len, "recovery_start: %lu\n",
- obd->obd_recovery_start) <= 0)
+ if (lprocfs_obd_snprintf(&page, size, &len,
+ "recovery_start: %lu\n",
+ obd->obd_recovery_start) <= 0)
goto out;
-
- if (lprocfs_obd_snprintf(&page, size, &len, "recovery_end: %lu\n",
- obd->obd_recovery_end) <= 0)
+ if (lprocfs_obd_snprintf(&page, size, &len,
+ "recovery_duration: %lu\n",
+ obd->obd_recovery_end -
+ obd->obd_recovery_start) <= 0)
goto out;
-
- /* Number of clients have have completed recovery */
- if (lprocfs_obd_snprintf(&page, size, &len, "recovered_clients: %d\n",
- obd->obd_max_recoverable_clients - obd->obd_recoverable_clients) <= 0)
+ /* Number of clients that have completed recovery */
+ if (lprocfs_obd_snprintf(&page, size, &len,
+ "completed_clients: %d/%d\n",
+ obd->obd_max_recoverable_clients -
+ obd->obd_recoverable_clients,
+ obd->obd_max_recoverable_clients) <= 0)
goto out;
-
- if (lprocfs_obd_snprintf(&page, size, &len, "unrecovered_clients: %d\n",
- obd->obd_recoverable_clients) <= 0)
+ if (lprocfs_obd_snprintf(&page, size, &len,
+ "replayed_requests: %d\n",
+ obd->obd_replayed_requests) <= 0)
goto out;
-
- if (lprocfs_obd_snprintf(&page, size, &len, "last_transno: "LPD64"\n",
- obd->obd_next_recovery_transno - 1) <= 0)
+ if (lprocfs_obd_snprintf(&page, size, &len,
+ "last_transno: "LPD64"\n",
+ obd->obd_next_recovery_transno - 1)<=0)
goto out;
-
- lprocfs_obd_snprintf(&page, size, &len, "replayed_requests: %d\n", obd->obd_replayed_requests);
goto fclose;
}
if (lprocfs_obd_snprintf(&page, size, &len, "RECOVERING\n") <= 0)
goto out;
-
if (lprocfs_obd_snprintf(&page, size, &len, "recovery_start: %lu\n",
- obd->obd_recovery_start) <= 0)
+ obd->obd_recovery_start) <= 0)
goto out;
-
- if (lprocfs_obd_snprintf(&page, size, &len, "time remaining: %lu\n",
- CURRENT_SECONDS >= obd->obd_recovery_end ? 0 :
- obd->obd_recovery_end - CURRENT_SECONDS) <= 0)
+ if (lprocfs_obd_snprintf(&page, size, &len, "time_remaining: %lu\n",
+ cfs_time_current_sec() >= obd->obd_recovery_end ? 0 :
+ obd->obd_recovery_end - cfs_time_current_sec()) <= 0)
goto out;
-
- if(lprocfs_obd_snprintf(&page, size, &len, "connected_clients: %d/%d\n",
- obd->obd_connected_clients,
- obd->obd_max_recoverable_clients) <= 0)
+ if (lprocfs_obd_snprintf(&page, size, &len,"connected_clients: %d/%d\n",
+ obd->obd_connected_clients,
+ obd->obd_max_recoverable_clients) <= 0)
goto out;
-
- /* Number of clients have have completed recovery */
- if (lprocfs_obd_snprintf(&page, size, &len, "completed_clients: %d/%d\n",
- obd->obd_max_recoverable_clients - obd->obd_recoverable_clients,
+ /* Number of clients that have completed recovery */
+ if (lprocfs_obd_snprintf(&page, size, &len,"completed_clients: %d/%d\n",
+ obd->obd_max_recoverable_clients -
+ obd->obd_recoverable_clients,
obd->obd_max_recoverable_clients) <= 0)
goto out;
-
- if (lprocfs_obd_snprintf(&page, size, &len, "replayed_requests: %d/??\n",
+ if (lprocfs_obd_snprintf(&page, size, &len,"replayed_requests: %d/??\n",
obd->obd_replayed_requests) <= 0)
goto out;
-
if (lprocfs_obd_snprintf(&page, size, &len, "queued_requests: %d\n",
obd->obd_requests_queued_for_recovery) <= 0)
goto out;
- lprocfs_obd_snprintf(&page, size, &len, "next_transno: "LPD64"\n", obd->obd_next_recovery_transno);
+ if (lprocfs_obd_snprintf(&page, size, &len, "next_transno: "LPD64"\n",
+ obd->obd_next_recovery_transno) <= 0)
+ goto out;
fclose:
*eof = 1;
}
EXPORT_SYMBOL(lprocfs_obd_rd_recovery_status);
+int lprocfs_obd_rd_recovery_maxtime(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+ LASSERT(obd != NULL);
+
+ return snprintf(page, count, "%lu\n",
+ obd->obd_recovery_max_time);
+}
+EXPORT_SYMBOL(lprocfs_obd_rd_recovery_maxtime);
+
+int lprocfs_obd_wr_recovery_maxtime(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+ int val, rc;
+ LASSERT(obd != NULL);
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ obd->obd_recovery_max_time = val;
+ return count;
+}
+EXPORT_SYMBOL(lprocfs_obd_wr_recovery_maxtime);
+
EXPORT_SYMBOL(lprocfs_register);
EXPORT_SYMBOL(lprocfs_srch);
EXPORT_SYMBOL(lprocfs_remove);
+EXPORT_SYMBOL(lprocfs_remove_proc_entry);
EXPORT_SYMBOL(lprocfs_add_vars);
EXPORT_SYMBOL(lprocfs_obd_setup);
EXPORT_SYMBOL(lprocfs_obd_cleanup);
+EXPORT_SYMBOL(lprocfs_add_simple);
+EXPORT_SYMBOL(lprocfs_add_symlink);
+EXPORT_SYMBOL(lprocfs_free_per_client_stats);
EXPORT_SYMBOL(lprocfs_alloc_stats);
EXPORT_SYMBOL(lprocfs_free_stats);
EXPORT_SYMBOL(lprocfs_clear_stats);
EXPORT_SYMBOL(lprocfs_rd_conn_uuid);
EXPORT_SYMBOL(lprocfs_rd_num_exports);
EXPORT_SYMBOL(lprocfs_rd_numrefs);
-
+EXPORT_SYMBOL(lprocfs_at_hist_helper);
+EXPORT_SYMBOL(lprocfs_rd_timeouts);
EXPORT_SYMBOL(lprocfs_rd_blksize);
EXPORT_SYMBOL(lprocfs_rd_kbytestotal);
EXPORT_SYMBOL(lprocfs_rd_kbytesfree);