*
* 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.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
/*
* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
- */
-/*
- * Copyright (c) 2011, 2012 Whamcloud, Inc.
- * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Author: Mike Pershin <tappro@whamcloud.com>
*/
-#define DEBUG_SUBSYSTEM S_CLASS
+#define DEBUG_SUBSYSTEM S_OSD
#include <obd.h>
+#include <obd_class.h>
#include <lprocfs_status.h>
-#include <lu_time.h>
-
-#include <lustre/lustre_idl.h>
+#include <lustre_scrub.h>
-#include "udmu.h"
#include "osd_internal.h"
-#ifdef LPROCFS
+#ifdef CONFIG_PROC_FS
+
+static void display_brw_stats(struct seq_file *seq, char *name, char *units,
+ struct obd_histogram *read,
+ struct obd_histogram *write, int scale)
+{
+ 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 %% | %-11s %% 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 (!scale)
+ seq_printf(seq, "%u", i);
+ else if (i < 10)
+ seq_printf(seq, "%u", scale << i);
+ else if (i < 20)
+ seq_printf(seq, "%uK", scale << (i-10));
+ else
+ seq_printf(seq, "%uM", scale << (i-20));
+
+ seq_printf(seq, ":\t\t%10lu %3u %3u | %4lu %3u %3u\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 timespec64 now;
+
+ /* this sampling races with updates */
+ ktime_get_real_ts64(&now);
+ seq_printf(seq, "snapshot_time: %llu.%09lu (secs.nsecs)\n",
+ (s64)now.tv_sec, now.tv_nsec);
+
+ 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);
+#if 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);
+#endif
+ 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);
+
+ display_brw_stats(seq, "I/O time (1/1000s)", "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);
+}
+
+static int osd_brw_stats_seq_show(struct seq_file *seq, void *v)
+{
+ struct osd_device *osd = seq->private;
+
+ brw_stats_show(seq, &osd->od_brw_stats);
+
+ return 0;
+}
+
+static ssize_t osd_brw_stats_seq_write(struct file *file,
+ const char __user *buf,
+ size_t len, loff_t *off)
+{
+ struct seq_file *seq = file->private_data;
+ struct osd_device *osd = seq->private;
+ int i;
+
+ for (i = 0; i < BRW_LAST; i++)
+ lprocfs_oh_clear(&osd->od_brw_stats.hist[i]);
+
+ return len;
+}
+
+LPROC_SEQ_FOPS(osd_brw_stats);
static int osd_stats_init(struct osd_device *osd)
{
- int result;
+ int result, i;
ENTRY;
+ for (i = 0; i < BRW_LAST; i++)
+ spin_lock_init(&osd->od_brw_stats.hist[i].oh_lock);
+
osd->od_stats = lprocfs_alloc_stats(LPROC_OSD_LAST, 0);
if (osd->od_stats != NULL) {
result = lprocfs_register_stats(osd->od_proc_entry, "stats",
LPROCFS_CNTR_AVGMINMAX,
"thandle_closing", "usec");
#endif
+ result = lprocfs_seq_create(osd->od_proc_entry, "brw_stats",
+ 0644, &osd_brw_stats_fops, osd);
} else {
result = -ENOMEM;
}
RETURN(result);
}
-static int lprocfs_osd_rd_fstype(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int zfs_osd_oi_scrub_seq_show(struct seq_file *m, void *data)
{
- return snprintf(page, count, "zfs\n");
+ struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
+
+ LASSERT(dev != NULL);
+ if (!dev->od_os)
+ return -EINPROGRESS;
+
+ scrub_dump(m, &dev->od_scrub);
+ return 0;
}
+LDEBUGFS_SEQ_FOPS_RO(zfs_osd_oi_scrub);
-static int lprocfs_osd_rd_mntdev(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t auto_scrub_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct osd_device *osd = osd_dt_dev((struct dt_device *)data);
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *dev = osd_dt_dev(dt);
- LASSERT(osd != NULL);
- *eof = 1;
+ LASSERT(dev);
+ if (!dev->od_os)
+ return -EINPROGRESS;
- return snprintf(page, count, "%s\n", osd->od_mntdev);
+ return sprintf(buf, "%lld\n", dev->od_auto_scrub_interval);
}
-static int lprocfs_osd_wr_force_sync(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t auto_scrub_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct dt_device *dt = data;
- struct lu_env env;
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *dev = osd_dt_dev(dt);
+ s64 val;
+ int rc;
+
+ LASSERT(dev);
+ if (!dev->od_os)
+ return -EINPROGRESS;
+
+ rc = kstrtoull(buffer, 0, &val);
+ if (rc)
+ return rc;
+
+ dev->od_auto_scrub_interval = val;
+ return count;
+}
+LUSTRE_RW_ATTR(auto_scrub);
+
+static ssize_t fstype_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ return sprintf(buf, "zfs\n");
+}
+LUSTRE_RO_ATTR(fstype);
+
+static ssize_t mntdev_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *osd = osd_dt_dev(dt);
+
+ LASSERT(osd);
+
+ return sprintf(buf, "%s\n", osd->od_mntdev);
+}
+LUSTRE_RO_ATTR(mntdev);
+
+ssize_t force_sync_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct lu_env env;
int rc;
rc = lu_env_init(&env, LCT_LOCAL);
if (rc)
return rc;
+
rc = dt_sync(&env, dt);
lu_env_fini(&env);
return rc == 0 ? count : rc;
}
+LUSTRE_WO_ATTR(force_sync);
-static int lprocfs_osd_rd_iused_est(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t nonrotational_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct osd_device *osd = osd_dt_dev((struct dt_device *)data);
- LASSERT(osd != NULL);
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *osd = osd_dt_dev(dt);
- return snprintf(page, count, "%d\n", osd->od_quota_iused_est);
+ LASSERT(osd);
+ if (!osd->od_os)
+ return -EINPROGRESS;
+
+ return sprintf(buf, "%u\n", osd->od_nonrotational);
}
-static int lprocfs_osd_wr_iused_est(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t nonrotational_store(struct kobject *kobj,
+ struct attribute *attr, const char *buffer,
+ size_t count)
{
- struct osd_device *osd = osd_dt_dev((struct dt_device *)data);
- int rc, val;
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *osd = osd_dt_dev(dt);
+ bool val;
+ int rc;
- LASSERT(osd != NULL);
+ LASSERT(osd);
+ if (!osd->od_os)
+ return -EINPROGRESS;
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = kstrtobool(buffer, &val);
if (rc)
return rc;
- osd->od_quota_iused_est = !!val;
+ osd->od_nonrotational = val;
+ return count;
+}
+LUSTRE_RW_ATTR(nonrotational);
+
+static ssize_t index_backup_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *dev = osd_dt_dev(dt);
+
+ LASSERT(dev);
+ if (!dev->od_os)
+ return -EINPROGRESS;
+
+ return sprintf(buf, "%d\n", dev->od_index_backup_policy);
+}
+
+ssize_t index_backup_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osd_device *dev = osd_dt_dev(dt);
+ int val;
+ int rc;
+
+ LASSERT(dev);
+ if (!dev->od_os)
+ return -EINPROGRESS;
+
+ rc = kstrtoint(buffer, 0, &val);
+ if (rc)
+ return rc;
+ dev->od_index_backup_policy = val;
return count;
}
+LUSTRE_RW_ATTR(index_backup);
-struct lprocfs_vars lprocfs_osd_obd_vars[] = {
- { "blocksize", lprocfs_osd_rd_blksize, 0, 0 },
- { "kbytestotal", lprocfs_osd_rd_kbytestotal, 0, 0 },
- { "kbytesfree", lprocfs_osd_rd_kbytesfree, 0, 0 },
- { "kbytesavail", lprocfs_osd_rd_kbytesavail, 0, 0 },
- { "filestotal", lprocfs_osd_rd_filestotal, 0, 0 },
- { "filesfree", lprocfs_osd_rd_filesfree, 0, 0 },
- { "fstype", lprocfs_osd_rd_fstype, 0, 0 },
- { "mntdev", lprocfs_osd_rd_mntdev, 0, 0 },
- { "force_sync", 0, lprocfs_osd_wr_force_sync },
- { "quota_iused_estimate", lprocfs_osd_rd_iused_est,
- lprocfs_osd_wr_iused_est, 0, 0 },
- { 0 }
+static int zfs_osd_readcache_seq_show(struct seq_file *m, void *data)
+{
+ struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
+
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_os == NULL))
+ return -EINPROGRESS;
+
+ seq_printf(m, "%llu\n", osd->od_readcache_max_filesize);
+ return 0;
+}
+
+static ssize_t
+zfs_osd_readcache_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
+{
+ struct seq_file *m = file->private_data;
+ struct dt_device *dt = m->private;
+ struct osd_device *osd = osd_dt_dev(dt);
+ s64 val;
+ int rc;
+
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_os == NULL))
+ return -EINPROGRESS;
+
+ rc = lprocfs_str_with_units_to_s64(buffer, count, &val, '1');
+ if (rc)
+ return rc;
+ if (val < 0)
+ return -ERANGE;
+
+ osd->od_readcache_max_filesize = val > OSD_MAX_CACHE_SIZE ?
+ OSD_MAX_CACHE_SIZE : val;
+ return count;
+}
+LDEBUGFS_SEQ_FOPS(zfs_osd_readcache);
+
+static struct attribute *zfs_attrs[] = {
+ &lustre_attr_fstype.attr,
+ &lustre_attr_mntdev.attr,
+ &lustre_attr_force_sync.attr,
+ &lustre_attr_nonrotational.attr,
+ &lustre_attr_index_backup.attr,
+ &lustre_attr_auto_scrub.attr,
+ NULL,
};
-struct lprocfs_vars lprocfs_osd_module_vars[] = {
- { "num_refs", lprocfs_rd_numrefs, 0, 0 },
+struct lprocfs_vars lprocfs_osd_obd_vars[] = {
+ { .name = "oi_scrub",
+ .fops = &zfs_osd_oi_scrub_fops },
+ { .name = "readcache_max_filesize",
+ .fops = &zfs_osd_readcache_fops },
{ 0 }
};
int osd_procfs_init(struct osd_device *osd, const char *name)
{
- struct lu_device *ld = &osd->od_dt_dev.dd_lu_dev;
- struct obd_type *type = ld->ld_type->ldt_obd_type;
- int rc;
+ struct obd_type *type;
+ int rc;
+
ENTRY;
+ /* at the moment there is no linkage between lu_type
+ * and obd_type, so we lookup obd_type this way
+ */
+ type = class_search_type(LUSTRE_OSD_ZFS_NAME);
+
+ LASSERT(type);
+ LASSERT(name);
+
+ osd->od_dt_dev.dd_ktype.default_attrs = zfs_attrs;
+ rc = dt_tunables_init(&osd->od_dt_dev, type, name,
+ lprocfs_osd_obd_vars);
+ if (rc) {
+ CERROR("%s: cannot setup sysfs / debugfs entry: %d\n",
+ name, rc);
+ GOTO(out, rc);
+ }
+
if (osd->od_proc_entry)
RETURN(0);
- LASSERT(name != NULL);
- LASSERT(type != NULL);
-
osd->od_proc_entry = lprocfs_register(name, type->typ_procroot,
- lprocfs_osd_obd_vars, &osd->od_dt_dev);
+ NULL, &osd->od_dt_dev);
if (IS_ERR(osd->od_proc_entry)) {
rc = PTR_ERR(osd->od_proc_entry);
CERROR("Error %d setting up lprocfs for %s\n", rc, name);
osd->od_proc_entry = NULL;
}
- RETURN(0);
+ return dt_tunables_fini(&osd->od_dt_dev);
}
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff