*
* Copyright (C) 2002, 2003 Cluster File Systems, Inc.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * This file is part of the Lustre file system, http://www.lustre.org
+ * Lustre is a trademark of Cluster File Systems, Inc.
*
- * 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.
+ * 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.
*
- * 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.
+ * 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.
*
- * 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.
+ * 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.
*
*/
#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"
-#ifndef LPROCFS
-static struct lprocfs_vars lprocfs_obd_vars[] = { {0} };
-static struct lprocfs_vars lprocfs_module_vars[] = { {0} };
-#else
-
+#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);
}
if (obd == NULL)
return 0;
- for (i = 1; i < filter->fo_group_count; i++) {
+ for (i = FILTER_GROUP_MDS0; i < filter->fo_group_count; i++) {
rc = snprintf(page, count, LPU64"\n",filter_last_id(filter, i));
if (rc < 0) {
retval = rc;
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 struct lprocfs_vars lprocfs_obd_vars[] = {
{ "uuid", lprocfs_rd_uuid, 0, 0 },
{ "blocksize", lprocfs_rd_blksize, 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 },
+ { "recovery_status", lprocfs_obd_rd_recovery_status, 0, 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 },
- { "recovery_status", lprocfs_obd_rd_recovery_status, 0, 0 },
+#ifdef HAVE_QUOTA_SUPPORT
+ { "quota_bunit_sz", lprocfs_rd_bunit, lprocfs_wr_bunit, 0},
+ { "quota_btune_sz", lprocfs_rd_btune, lprocfs_wr_btune, 0},
+ { "quota_iunit_sz", lprocfs_rd_iunit, lprocfs_wr_iunit, 0},
+ { "quota_itune_sz", lprocfs_rd_itune, lprocfs_wr_itune, 0},
+ { "quota_type", lprocfs_rd_type, lprocfs_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 },
{ 0 }
};
{ 0 }
};
-void filter_tally_write(struct filter_obd *filter, struct page **pages,
- int nr_pages, unsigned long *blocks, int blocks_per_page)
+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 filter_export_data *fed = &exp->exp_filter_data;
struct page *last_page = NULL;
unsigned long *last_block = NULL;
unsigned long discont_pages = 0;
if (nr_pages == 0)
return;
- lprocfs_oh_tally_log2(&filter->fo_w_pages, nr_pages);
+ lprocfs_oh_tally_log2(&filter->fo_filter_stats.hist[BRW_R_PAGES + wr],
+ nr_pages);
+ lprocfs_oh_tally_log2(&fed->fed_brw_stats.hist[BRW_R_PAGES + wr],
+ nr_pages);
while (nr_pages-- > 0) {
if (last_page && (*pages)->index != (last_page->index + 1))
}
}
- lprocfs_oh_tally(&filter->fo_w_discont_pages, discont_pages);
- lprocfs_oh_tally(&filter->fo_w_discont_blocks, discont_blocks);
-}
-
-void filter_tally_read(struct filter_obd *filter, struct niobuf_local *lnb,
- int niocount)
-{
- struct niobuf_local *end;
- struct page *last_page = NULL;
- unsigned long discont_pages = 0;
- unsigned long discont_blocks = 0;
-
- if (niocount == 0)
- return;
-
- for (end = lnb + niocount; lnb < end && lnb->page; lnb++) {
- struct page *page = lnb->page;
- if (last_page) {
- if (page->index != (last_page->index + 1))
- discont_pages++;
- /* XXX not so smart for now */
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
- if ((page->buffers && last_page->buffers) &&
- (page->buffers->b_blocknr !=
- (last_page->buffers->b_blocknr + 1)))
- discont_blocks++;
-#else
-#warning "port on 2.6 -bzzz"
-#endif
- }
- last_page = page;
- }
-
- lprocfs_oh_tally_log2(&filter->fo_r_pages, niocount);
- lprocfs_oh_tally(&filter->fo_r_discont_pages, discont_pages);
- lprocfs_oh_tally(&filter->fo_r_discont_blocks, discont_blocks);
+ lprocfs_oh_tally(&filter->fo_filter_stats.hist[BRW_R_DISCONT_PAGES +wr],
+ discont_pages);
+ lprocfs_oh_tally(&fed->fed_brw_stats.hist[BRW_R_DISCONT_PAGES + wr],
+ discont_pages);
+ lprocfs_oh_tally(&filter->fo_filter_stats.hist[BRW_R_DISCONT_BLOCKS+wr],
+ discont_blocks);
+ lprocfs_oh_tally(&fed->fed_brw_stats.hist[BRW_R_DISCONT_BLOCKS + wr],
+ discont_blocks);
}
#define pct(a,b) (b ? a * 100 / b : 0)
-static int filter_brw_stats_seq_show(struct seq_file *seq, void *v)
+static void display_brw_stats(struct seq_file *seq, char *name, char *units,
+ struct obd_histogram *read, struct obd_histogram *write, int log2)
{
- struct timeval now;
- struct obd_device *dev = seq->private;
- struct filter_obd *filter = &dev->u.filter;
- unsigned long read_tot = 0, write_tot = 0, read_cum, write_cum;
+ unsigned long read_tot, write_tot, r, w, read_cum = 0, write_cum = 0;
int i;
- do_gettimeofday(&now);
-
- /* this sampling races with updates */
-
- seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n",
- now.tv_sec, now.tv_usec);
-
- seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
- seq_printf(seq, "pages per brw brws %% cum %% |");
- seq_printf(seq, " rpcs %% cum %%\n");
-
- read_tot = lprocfs_oh_sum(&filter->fo_r_pages);
- write_tot = lprocfs_oh_sum(&filter->fo_w_pages);
+ seq_printf(seq, "\n%26s read | write\n", " ");
+ seq_printf(seq, "%-22s %-5s %% cum %% | %-5s %% cum %%\n",
+ name, units, units);
- read_cum = 0;
- write_cum = 0;
+ read_tot = lprocfs_oh_sum(read);
+ write_tot = lprocfs_oh_sum(write);
for (i = 0; i < OBD_HIST_MAX; i++) {
- unsigned long r = filter->fo_r_pages.oh_buckets[i];
- unsigned long w = filter->fo_w_pages.oh_buckets[i];
+ r = read->oh_buckets[i];
+ w = write->oh_buckets[i];
read_cum += r;
write_cum += w;
- seq_printf(seq, "%d:\t\t%10lu %3lu %3lu | %10lu %3lu %3lu\n",
- 1 << i, r, pct(r, read_tot),
- pct(read_cum, read_tot), w,
- pct(w, write_tot),
- pct(write_cum, write_tot));
+ 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;
}
+}
- seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
- seq_printf(seq, "discont pages rpcs %% cum %% |");
- seq_printf(seq, " rpcs %% cum %%\n");
+static void brw_stats_show(struct seq_file *seq, struct brw_stats *brw_stats)
+{
+ struct timeval now;
- read_tot = lprocfs_oh_sum(&filter->fo_r_discont_pages);
- write_tot = lprocfs_oh_sum(&filter->fo_w_discont_pages);
+ /* this sampling races with updates */
+ do_gettimeofday(&now);
+ seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n",
+ now.tv_sec, now.tv_usec);
- read_cum = 0;
- write_cum = 0;
+ display_brw_stats(seq, "pages per bulk r/w", "rpcs",
+ &brw_stats->hist[BRW_R_PAGES],
+ &brw_stats->hist[BRW_W_PAGES], 1);
- for (i = 0; i < OBD_HIST_MAX; i++) {
- unsigned long r = filter->fo_r_discont_pages.oh_buckets[i];
- unsigned long w = filter->fo_w_discont_pages.oh_buckets[i];
- read_cum += r;
- write_cum += w;
- seq_printf(seq, "%d:\t\t%10lu %3lu %3lu | %10lu %3lu %3lu\n",
- i, 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;
- }
+ display_brw_stats(seq, "discontiguous pages", "rpcs",
+ &brw_stats->hist[BRW_R_DISCONT_PAGES],
+ &brw_stats->hist[BRW_W_DISCONT_PAGES], 0);
- seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
- seq_printf(seq, "discont blocks rpcs %% cum %% |");
- seq_printf(seq, " rpcs %% cum %%\n");
+ display_brw_stats(seq, "discontiguous blocks", "rpcs",
+ &brw_stats->hist[BRW_R_DISCONT_BLOCKS],
+ &brw_stats->hist[BRW_W_DISCONT_BLOCKS], 0);
- read_tot = lprocfs_oh_sum(&filter->fo_r_discont_blocks);
- write_tot = lprocfs_oh_sum(&filter->fo_w_discont_blocks);
+ display_brw_stats(seq, "disk fragmented I/Os", "ios",
+ &brw_stats->hist[BRW_R_DIO_FRAGS],
+ &brw_stats->hist[BRW_W_DIO_FRAGS], 0);
- read_cum = 0;
- write_cum = 0;
- for (i = 0; i < OBD_HIST_MAX; i++) {
- unsigned long r = filter->fo_r_discont_blocks.oh_buckets[i];
- unsigned long w = filter->fo_w_discont_blocks.oh_buckets[i];
- read_cum += r;
- write_cum += w;
- seq_printf(seq, "%d:\t\t%10lu %3lu %3lu | %10lu %3lu %3lu\n",
- i, 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;
+ 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);
}
- return 0;
+ 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 void *filter_brw_stats_seq_start(struct seq_file *p, loff_t *pos)
-{
- if (*pos == 0)
- return (void *)1;
- return NULL;
-}
-static void *filter_brw_stats_seq_next(struct seq_file *p, void *v, loff_t *pos)
-{
- ++*pos;
- return NULL;
-}
-static void filter_brw_stats_seq_stop(struct seq_file *p, void *v)
+static int filter_brw_stats_seq_show(struct seq_file *seq, void *v)
{
-}
-struct seq_operations filter_brw_stats_seq_sops = {
- .start = filter_brw_stats_seq_start,
- .stop = filter_brw_stats_seq_stop,
- .next = filter_brw_stats_seq_next,
- .show = filter_brw_stats_seq_show,
-};
+ struct obd_device *dev = seq->private;
+ struct filter_obd *filter = &dev->u.filter;
-static int filter_brw_stats_seq_open(struct inode *inode, struct file *file)
-{
- struct proc_dir_entry *dp = PDE(inode);
- struct seq_file *seq;
- int rc;
+ brw_stats_show(seq, &filter->fo_filter_stats);
- rc = seq_open(file, &filter_brw_stats_seq_sops);
- if (rc)
- return rc;
- seq = file->private_data;
- seq->private = dp->data;
return 0;
}
struct seq_file *seq = file->private_data;
struct obd_device *dev = seq->private;
struct filter_obd *filter = &dev->u.filter;
+ int i;
- lprocfs_oh_clear(&filter->fo_r_pages);
- lprocfs_oh_clear(&filter->fo_w_pages);
- lprocfs_oh_clear(&filter->fo_r_discont_pages);
- lprocfs_oh_clear(&filter->fo_w_discont_pages);
- lprocfs_oh_clear(&filter->fo_r_discont_blocks);
- lprocfs_oh_clear(&filter->fo_w_discont_blocks);
+ for (i = 0; i < BRW_LAST; i++)
+ lprocfs_oh_clear(&filter->fo_filter_stats.hist[i]);
return len;
}
-struct file_operations filter_brw_stats_fops = {
- .owner = THIS_MODULE,
- .open = filter_brw_stats_seq_open,
- .read = seq_read,
- .write = filter_brw_stats_seq_write,
- .llseek = seq_lseek,
- .release = seq_release,
-};
+LPROC_SEQ_FOPS(filter_brw_stats);
int lproc_filter_attach_seqstat(struct obd_device *dev)
{
&filter_brw_stats_fops, dev);
}
+static int filter_per_export_stats_seq_show(struct seq_file *seq, void *v)
+{
+ struct filter_export_data *fed = seq->private;
+ brw_stats_show(seq, &fed->fed_brw_stats);
+
+ return 0;
+}
+
+static ssize_t filter_per_export_stats_seq_write(struct file *file,
+ const char *buf, size_t len, loff_t *off)
+{
+ struct seq_file *seq = file->private_data;
+ struct filter_export_data *fed = seq->private;
+ int i;
+
+ for (i = 0; i < BRW_LAST; i++)
+ lprocfs_oh_clear(&fed->fed_brw_stats.hist[i]);
+
+ return len;
+}
+
+LPROC_SEQ_FOPS(filter_per_export_stats);
-#endif /* LPROCFS */
LPROCFS_INIT_VARS(filter, lprocfs_module_vars, lprocfs_obd_vars)
+#endif /* LPROCFS */