/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2002, 2003 Cluster File Systems, Inc.
+ * GPL HEADER START
*
- * This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * Lustre is free 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 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.
*
- * 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
- * GNU General Public License for more details.
+ * 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).
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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.
*/
#define DEBUG_SUBSYSTEM S_CLASS
#include <linux/version.h>
-#include <linux/lprocfs_status.h>
-#include <linux/obd.h>
+#include <lprocfs_status.h>
+#include <obd.h>
+#include <linux/seq_file.h>
+#include <linux/version.h>
+
+#include "filter_internal.h"
+
+#ifdef LPROCFS
+static int lprocfs_filter_rd_groups(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+ *eof = 1;
+ return snprintf(page, count, "%u\n", obd->u.filter.fo_group_count);
+}
+
+static int lprocfs_filter_rd_tot_dirty(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
-#ifndef LPROCFS
-static struct lprocfs_vars lprocfs_obd_vars[] = { {0} };
-static struct lprocfs_vars lprocfs_module_vars[] = { {0} };
-#else
+ LASSERT(obd != NULL);
+ *eof = 1;
+ return snprintf(page, count, LPU64"\n", obd->u.filter.fo_tot_dirty);
+}
+
+static int lprocfs_filter_rd_tot_granted(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+
+ LASSERT(obd != NULL);
+ *eof = 1;
+ return snprintf(page, count, LPU64"\n", obd->u.filter.fo_tot_granted);
+}
+
+static int lprocfs_filter_rd_tot_pending(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+
+ LASSERT(obd != NULL);
+ *eof = 1;
+ return snprintf(page, count, LPU64"\n", obd->u.filter.fo_tot_pending);
+}
static int lprocfs_filter_rd_mntdev(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
- struct obd_device* obd = (struct obd_device *)data;
+ struct obd_device *obd = (struct obd_device *)data;
LASSERT(obd != NULL);
LASSERT(obd->u.filter.fo_vfsmnt->mnt_devname);
obd->u.filter.fo_vfsmnt->mnt_devname);
}
-static struct lprocfs_vars lprocfs_obd_vars[] = {
+static int lprocfs_filter_rd_last_id(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ struct filter_obd *filter = &obd->u.filter;
+ int retval = 0, rc, i;
+
+ if (obd == NULL)
+ return 0;
+ rc = snprintf(page, count, LPU64"\n",filter_last_id(filter, 0));
+ if (rc < 0)
+ return rc;
+ page += rc;
+ count -= rc;
+ retval += rc;
+
+ for (i = FILTER_GROUP_MDS1_N_BASE; i < filter->fo_group_count; i++) {
+ rc = snprintf(page, count, LPU64"\n",filter_last_id(filter, i));
+ if (rc < 0) {
+ retval = rc;
+ break;
+ }
+ page += rc;
+ count -= rc;
+ retval += rc;
+ }
+ return retval;
+}
+
+int lprocfs_filter_rd_readcache(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ int rc;
+
+ rc = snprintf(page, count, LPU64"\n",
+ obd->u.filter.fo_readcache_max_filesize);
+ return rc;
+}
+
+int lprocfs_filter_wr_readcache(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ __u64 val;
+ int rc;
+
+ rc = lprocfs_write_u64_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ obd->u.filter.fo_readcache_max_filesize = val;
+ return count;
+}
+
+int lprocfs_filter_rd_fmd_max_num(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ int rc;
+
+ rc = snprintf(page, count, "%u\n", obd->u.filter.fo_fmd_max_num);
+ return rc;
+}
+
+int lprocfs_filter_wr_fmd_max_num(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ int val;
+ int rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val > 65536 || val < 1)
+ return -EINVAL;
+
+ obd->u.filter.fo_fmd_max_num = val;
+ return count;
+}
+
+int lprocfs_filter_rd_fmd_max_age(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ int rc;
+
+ rc = snprintf(page, count, "%u\n", obd->u.filter.fo_fmd_max_age / HZ);
+ return rc;
+}
+
+int lprocfs_filter_wr_fmd_max_age(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ int val;
+ int rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val > 65536 || val < 1)
+ return -EINVAL;
+
+ obd->u.filter.fo_fmd_max_age = val * HZ;
+ return count;
+}
+
+static int lprocfs_filter_rd_capa(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ int rc;
+
+ rc = snprintf(page, count, "capability on: %s\n",
+ obd->u.filter.fo_fl_oss_capa ? "oss" : "");
+ return rc;
+}
+
+static int lprocfs_filter_wr_capa(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ int val, rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val & ~0x1) {
+ CERROR("invalid capability mode, only 0/1 are accepted.\n"
+ " 1: enable oss fid capability\n"
+ " 0: disable oss fid capability\n");
+ return -EINVAL;
+ }
+
+ obd->u.filter.fo_fl_oss_capa = val;
+ LCONSOLE_INFO("OSS %s %s fid capability.\n", obd->obd_name,
+ val ? "enabled" : "disabled");
+ return count;
+}
+
+static int lprocfs_filter_rd_capa_count(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ return snprintf(page, count, "%d %d\n",
+ capa_count[CAPA_SITE_CLIENT],
+ capa_count[CAPA_SITE_SERVER]);
+}
+
+static int lprocfs_rd_sec_level(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+
+ return snprintf(page, count, "%d\n", obd->u.filter.fo_sec_level);
+}
+
+static int lprocfs_wr_sec_level(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ int val, rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val > LUSTRE_SEC_ALL || val < LUSTRE_SEC_NONE)
+ return -EINVAL;
+
+ if (val == LUSTRE_SEC_SPECIFY) {
+ CWARN("security level %d will be supported in future.\n",
+ LUSTRE_SEC_SPECIFY);
+ return -EINVAL;
+ }
+
+ obd->u.filter.fo_sec_level = val;
+ return count;
+}
+
+static int lprocfs_filter_rd_cache(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, "%u\n", obd->u.filter.fo_read_cache);
+}
+
+static int lprocfs_filter_wr_cache(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;
+
+ spin_lock_bh(&obd->obd_processing_task_lock);
+ obd->u.filter.fo_read_cache = val;
+ spin_unlock_bh(&obd->obd_processing_task_lock);
+ return count;
+}
+
+static int lprocfs_filter_rd_wcache(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, "%u\n", obd->u.filter.fo_writethrough_cache);
+}
+
+static int lprocfs_filter_wr_wcache(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;
+
+ spin_lock_bh(&obd->obd_processing_task_lock);
+ obd->u.filter.fo_writethrough_cache = val;
+ spin_unlock_bh(&obd->obd_processing_task_lock);
+ return count;
+}
+
+static int lprocfs_filter_rd_mds_sync(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, "%u\n", obd->u.filter.fo_mds_ost_sync);
+}
+
+int lprocfs_filter_rd_degraded(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+
+ return snprintf(page, count, "%u\n", obd->u.filter.fo_raid_degraded);
+}
+
+int lprocfs_filter_wr_degraded(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ int val, rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ spin_lock(&obd->obd_osfs_lock);
+ obd->u.filter.fo_raid_degraded = !!val;
+ spin_unlock(&obd->obd_osfs_lock);
+ return count;
+}
+
+static struct lprocfs_vars lprocfs_filter_obd_vars[] = {
{ "uuid", lprocfs_rd_uuid, 0, 0 },
{ "blocksize", lprocfs_rd_blksize, 0, 0 },
{ "kbytestotal", lprocfs_rd_kbytestotal, 0, 0 },
{ "kbytesfree", lprocfs_rd_kbytesfree, 0, 0 },
+ { "kbytesavail", lprocfs_rd_kbytesavail, 0, 0 },
{ "filestotal", lprocfs_rd_filestotal, 0, 0 },
{ "filesfree", lprocfs_rd_filesfree, 0, 0 },
- //{ "filegroups", lprocfs_rd_filegroups, 0, 0 },
+ { "filegroups", lprocfs_filter_rd_groups, 0, 0 },
{ "fstype", lprocfs_rd_fstype, 0, 0 },
{ "mntdev", lprocfs_filter_rd_mntdev, 0, 0 },
+ { "last_id", lprocfs_filter_rd_last_id,0, 0 },
+ { "tot_dirty", lprocfs_filter_rd_tot_dirty, 0, 0 },
+ { "tot_pending", lprocfs_filter_rd_tot_pending, 0, 0 },
+ { "tot_granted", lprocfs_filter_rd_tot_granted, 0, 0 },
+ { "hash_stats", lprocfs_obd_rd_hash, 0, 0 },
+ { "recovery_status", lprocfs_obd_rd_recovery_status, 0, 0 },
+ { "recovery_maxtime", lprocfs_obd_rd_recovery_maxtime,
+ lprocfs_obd_wr_recovery_maxtime, 0},
+ { "evict_client", 0, lprocfs_wr_evict_client, 0,
+ &lprocfs_evict_client_fops},
+ { "num_exports", lprocfs_rd_num_exports, 0, 0 },
+ { "readcache_max_filesize",
+ lprocfs_filter_rd_readcache,
+ lprocfs_filter_wr_readcache, 0 },
+#ifdef HAVE_QUOTA_SUPPORT
+ { "quota_type", lprocfs_quota_rd_type,
+ lprocfs_quota_wr_type, 0},
+#endif
+ { "client_cache_count", lprocfs_filter_rd_fmd_max_num,
+ lprocfs_filter_wr_fmd_max_num, 0 },
+ { "client_cache_seconds", lprocfs_filter_rd_fmd_max_age,
+ lprocfs_filter_wr_fmd_max_age, 0 },
+ { "capa", lprocfs_filter_rd_capa,
+ lprocfs_filter_wr_capa, 0 },
+ { "capa_count", lprocfs_filter_rd_capa_count, 0, 0 },
+ { "sec_level", lprocfs_rd_sec_level,
+ lprocfs_wr_sec_level, 0 },
+ { "read_cache_enable", lprocfs_filter_rd_cache, lprocfs_filter_wr_cache, 0},
+ { "writethrough_cache_enable", lprocfs_filter_rd_wcache,
+ lprocfs_filter_wr_wcache, 0},
+ { "mds_sync", lprocfs_filter_rd_mds_sync, 0, 0},
+ { "degraded", lprocfs_filter_rd_degraded,
+ lprocfs_filter_wr_degraded, 0 },
{ 0 }
};
-static struct lprocfs_vars lprocfs_module_vars[] = {
+static struct lprocfs_vars lprocfs_filter_module_vars[] = {
{ "num_refs", lprocfs_rd_numrefs, 0, 0 },
{ 0 }
};
+void filter_tally(struct obd_export *exp, struct page **pages, int nr_pages,
+ unsigned long *blocks, int blocks_per_page, int wr)
+{
+ struct filter_obd *filter = &exp->exp_obd->u.filter;
+ struct page *last_page = NULL;
+ unsigned long *last_block = NULL;
+ unsigned long discont_pages = 0;
+ unsigned long discont_blocks = 0;
+ int i;
+
+ if (nr_pages == 0)
+ return;
+
+ lprocfs_oh_tally_log2(&filter->fo_filter_stats.hist[BRW_R_PAGES + wr],
+ nr_pages);
+ if (exp->exp_nid_stats && exp->exp_nid_stats->nid_brw_stats)
+ lprocfs_oh_tally_log2(&exp->exp_nid_stats->nid_brw_stats->
+ hist[BRW_R_PAGES + wr], nr_pages);
+
+ while (nr_pages-- > 0) {
+ if (last_page && (*pages)->index != (last_page->index + 1))
+ discont_pages++;
+ last_page = *pages;
+ pages++;
+ for (i = 0; i < blocks_per_page; i++) {
+ if (last_block && *blocks != (*last_block + 1))
+ discont_blocks++;
+ last_block = blocks++;
+ }
+ }
+
+ lprocfs_oh_tally(&filter->fo_filter_stats.hist[BRW_R_DISCONT_PAGES +wr],
+ discont_pages);
+ lprocfs_oh_tally(&filter->fo_filter_stats.hist[BRW_R_DISCONT_BLOCKS+wr],
+ discont_blocks);
+
+ if (exp->exp_nid_stats && exp->exp_nid_stats->nid_brw_stats) {
+ lprocfs_oh_tally_log2(&exp->exp_nid_stats->nid_brw_stats->
+ hist[BRW_R_DISCONT_PAGES + wr],
+ discont_pages);
+ lprocfs_oh_tally_log2(&exp->exp_nid_stats->nid_brw_stats->
+ hist[BRW_R_DISCONT_BLOCKS + wr],
+ discont_blocks);
+ }
+}
+
+#define pct(a,b) (b ? a * 100 / b : 0)
+
+static void display_brw_stats(struct seq_file *seq, char *name, char *units,
+ struct obd_histogram *read, struct obd_histogram *write, int log2)
+{
+ unsigned long read_tot, write_tot, r, w, read_cum = 0, write_cum = 0;
+ int i;
+
+ seq_printf(seq, "\n%26s read | write\n", " ");
+ seq_printf(seq, "%-22s %-5s %% cum %% | %-5s %% cum %%\n",
+ name, units, units);
+
+ read_tot = lprocfs_oh_sum(read);
+ write_tot = lprocfs_oh_sum(write);
+ for (i = 0; i < OBD_HIST_MAX; i++) {
+ r = read->oh_buckets[i];
+ w = write->oh_buckets[i];
+ read_cum += r;
+ write_cum += w;
+ if (read_cum == 0 && write_cum == 0)
+ continue;
+
+ if (!log2)
+ seq_printf(seq, "%u", i);
+ else if (i < 10)
+ seq_printf(seq, "%u", 1<<i);
+ else if (i < 20)
+ seq_printf(seq, "%uK", 1<<(i-10));
+ else
+ seq_printf(seq, "%uM", 1<<(i-20));
+
+ seq_printf(seq, ":\t\t%10lu %3lu %3lu | %4lu %3lu %3lu\n",
+ r, pct(r, read_tot), pct(read_cum, read_tot),
+ w, pct(w, write_tot), pct(write_cum, write_tot));
+
+ if (read_cum == read_tot && write_cum == write_tot)
+ break;
+ }
+}
+
+static void brw_stats_show(struct seq_file *seq, struct brw_stats *brw_stats)
+{
+ struct timeval now;
+
+ /* this sampling races with updates */
+ do_gettimeofday(&now);
+ seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n",
+ now.tv_sec, now.tv_usec);
+
+ display_brw_stats(seq, "pages per bulk r/w", "rpcs",
+ &brw_stats->hist[BRW_R_PAGES],
+ &brw_stats->hist[BRW_W_PAGES], 1);
+
+ display_brw_stats(seq, "discontiguous pages", "rpcs",
+ &brw_stats->hist[BRW_R_DISCONT_PAGES],
+ &brw_stats->hist[BRW_W_DISCONT_PAGES], 0);
+
+ display_brw_stats(seq, "discontiguous blocks", "rpcs",
+ &brw_stats->hist[BRW_R_DISCONT_BLOCKS],
+ &brw_stats->hist[BRW_W_DISCONT_BLOCKS], 0);
+
+ display_brw_stats(seq, "disk fragmented I/Os", "ios",
+ &brw_stats->hist[BRW_R_DIO_FRAGS],
+ &brw_stats->hist[BRW_W_DIO_FRAGS], 0);
+
+ display_brw_stats(seq, "disk I/Os in flight", "ios",
+ &brw_stats->hist[BRW_R_RPC_HIST],
+ &brw_stats->hist[BRW_W_RPC_HIST], 0);
+
+ {
+ char title[24];
+ sprintf(title, "I/O time (1/%ds)", HZ);
+ display_brw_stats(seq, title, "ios",
+ &brw_stats->hist[BRW_R_IO_TIME],
+ &brw_stats->hist[BRW_W_IO_TIME], 1);
+ }
+
+ display_brw_stats(seq, "disk I/O size", "ios",
+ &brw_stats->hist[BRW_R_DISK_IOSIZE],
+ &brw_stats->hist[BRW_W_DISK_IOSIZE], 1);
+}
+
+#undef pct
+
+static int filter_brw_stats_seq_show(struct seq_file *seq, void *v)
+{
+ struct obd_device *dev = seq->private;
+ struct filter_obd *filter = &dev->u.filter;
+
+ brw_stats_show(seq, &filter->fo_filter_stats);
+
+ return 0;
+}
+
+static ssize_t filter_brw_stats_seq_write(struct file *file, const char *buf,
+ size_t len, loff_t *off)
+{
+ struct seq_file *seq = file->private_data;
+ struct obd_device *dev = seq->private;
+ struct filter_obd *filter = &dev->u.filter;
+ int i;
+
+ for (i = 0; i < BRW_LAST; i++)
+ lprocfs_oh_clear(&filter->fo_filter_stats.hist[i]);
+
+ return len;
+}
+
+LPROC_SEQ_FOPS(filter_brw_stats);
+
+int lproc_filter_attach_seqstat(struct obd_device *dev)
+{
+ return lprocfs_obd_seq_create(dev, "brw_stats", 0444,
+ &filter_brw_stats_fops, dev);
+}
+
+void lprocfs_filter_init_vars(struct lprocfs_static_vars *lvars)
+{
+ lvars->module_vars = lprocfs_filter_module_vars;
+ lvars->obd_vars = lprocfs_filter_obd_vars;
+}
+
+static int filter_per_nid_stats_seq_show(struct seq_file *seq, void *v)
+{
+ nid_stat_t * stat = seq->private;
+
+ if (stat->nid_brw_stats)
+ brw_stats_show(seq, stat->nid_brw_stats);
+
+ return 0;
+}
+
+static ssize_t filter_per_nid_stats_seq_write(struct file *file,
+ const char *buf, size_t len,
+ loff_t *off)
+{
+ struct seq_file *seq = file->private_data;
+ nid_stat_t *stat = seq->private;
+ int i;
+
+ if (stat->nid_brw_stats)
+ for (i = 0; i < BRW_LAST; i++)
+ lprocfs_oh_clear(&stat->nid_brw_stats->hist[i]);
+
+ return len;
+}
+
+LPROC_SEQ_FOPS(filter_per_nid_stats);
#endif /* LPROCFS */
-LPROCFS_INIT_VARS(filter,lprocfs_module_vars, lprocfs_obd_vars)
git://git.whamcloud.com / fs / lustre-release.git / blobdiff