* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2016, Intel Corporation.
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
*/
#define DEBUG_SUBSYSTEM S_CLASS
-#include <linux/version.h>
#include <linux/vfs.h>
#include <obd_class.h>
#include <lprocfs_status.h>
-
+#include <lustre_osc.h>
+#include <cl_object.h>
#include "mdc_internal.h"
-#ifdef CONFIG_PROC_FS
-static int mdc_active_seq_show(struct seq_file *m, void *v)
+static ssize_t active_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = m->private;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ ssize_t len;
LPROCFS_CLIMP_CHECK(dev);
- seq_printf(m, "%d\n", !dev->u.cli.cl_import->imp_deactive);
+ len = sprintf(buf, "%d\n", !dev->u.cli.cl_import->imp_deactive);
LPROCFS_CLIMP_EXIT(dev);
- return 0;
+ return len;
}
-static ssize_t mdc_active_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t active_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct obd_device *dev;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ bool val;
int rc;
- __s64 val;
- dev = ((struct seq_file *)file->private_data)->private;
- rc = lprocfs_str_to_s64(buffer, count, &val);
+ rc = kstrtobool(buffer, &val);
if (rc)
return rc;
- if (val < 0 || val > 1)
- return -ERANGE;
/* opposite senses */
if (dev->u.cli.cl_import->imp_deactive == val)
rc = ptlrpc_set_import_active(dev->u.cli.cl_import, val);
else
- CDEBUG(D_CONFIG, "activate %llu: ignoring repeat request\n",
+ CDEBUG(D_CONFIG, "activate %u: ignoring repeat request\n",
val);
return count;
}
-LPROC_SEQ_FOPS(mdc_active);
+LUSTRE_RW_ATTR(active);
-static int mdc_max_rpcs_in_flight_seq_show(struct seq_file *m, void *v)
+static ssize_t max_rpcs_in_flight_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = m->private;
- __u32 max;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ ssize_t len;
+ u32 max;
max = obd_get_max_rpcs_in_flight(&dev->u.cli);
- seq_printf(m, "%u\n", max);
+ len = sprintf(buf, "%u\n", max);
- return 0;
+ return len;
}
-static ssize_t mdc_max_rpcs_in_flight_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t max_rpcs_in_flight_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct obd_device *dev;
- __s64 val;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ unsigned int val;
int rc;
- dev = ((struct seq_file *)file->private_data)->private;
- rc = lprocfs_str_to_s64(buffer, count, &val);
+ rc = kstrtouint(buffer, 10, &val);
if (rc)
return rc;
- if (val < 0 || val > UINT_MAX)
- return -ERANGE;
-
rc = obd_set_max_rpcs_in_flight(&dev->u.cli, val);
if (rc)
+ count = rc;
+
+ return count;
+}
+LUSTRE_RW_ATTR(max_rpcs_in_flight);
+
+static ssize_t max_mod_rpcs_in_flight_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ u16 max;
+
+ max = obd_get_max_mod_rpcs_in_flight(&dev->u.cli);
+ return sprintf(buf, "%hu\n", max);
+}
+
+static ssize_t max_mod_rpcs_in_flight_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ u16 val;
+ int rc;
+
+ rc = kstrtou16(buffer, 10, &val);
+ if (rc)
return rc;
+ rc = obd_set_max_mod_rpcs_in_flight(&dev->u.cli, val);
+ if (rc)
+ count = rc;
+
return count;
}
-LPROC_SEQ_FOPS(mdc_max_rpcs_in_flight);
+LUSTRE_RW_ATTR(max_mod_rpcs_in_flight);
-static int mdc_max_mod_rpcs_in_flight_seq_show(struct seq_file *m, void *v)
+static int mdc_max_dirty_mb_seq_show(struct seq_file *m, void *v)
{
struct obd_device *dev = m->private;
- __u16 max;
+ struct client_obd *cli = &dev->u.cli;
+ long val;
+ int mult;
- max = obd_get_max_mod_rpcs_in_flight(&dev->u.cli);
- seq_printf(m, "%hu\n", max);
+ spin_lock(&cli->cl_loi_list_lock);
+ val = cli->cl_dirty_max_pages;
+ spin_unlock(&cli->cl_loi_list_lock);
- return 0;
+ mult = 1 << (20 - PAGE_SHIFT);
+ return lprocfs_seq_read_frac_helper(m, val, mult);
}
-static ssize_t mdc_max_mod_rpcs_in_flight_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t mdc_max_dirty_mb_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *dev =
- ((struct seq_file *)file->private_data)->private;
- __s64 val;
+ struct seq_file *sfl = file->private_data;
+ struct obd_device *dev = sfl->private;
+ struct client_obd *cli = &dev->u.cli;
+ s64 pages_number;
int rc;
- rc = lprocfs_str_to_s64(buffer, count, &val);
+ rc = lprocfs_str_with_units_to_s64(buffer, count, &pages_number, 'M');
if (rc)
return rc;
- if (val < 0 || val > USHRT_MAX)
+ pages_number >>= PAGE_SHIFT;
+
+ if (pages_number <= 0 ||
+ pages_number >= OSC_MAX_DIRTY_MB_MAX << (20 - PAGE_SHIFT) ||
+ pages_number > totalram_pages / 4) /* 1/4 of RAM */
return -ERANGE;
- rc = obd_set_max_mod_rpcs_in_flight(&dev->u.cli, val);
+ spin_lock(&cli->cl_loi_list_lock);
+ cli->cl_dirty_max_pages = pages_number;
+ osc_wake_cache_waiters(cli);
+ spin_unlock(&cli->cl_loi_list_lock);
+
+ return count;
+}
+LPROC_SEQ_FOPS(mdc_max_dirty_mb);
+
+static ssize_t contention_seconds_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct osc_device *od = obd2osc_dev(obd);
+
+ return sprintf(buf, "%lld\n", od->od_contention_time);
+}
+
+static ssize_t contention_seconds_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct osc_device *od = obd2osc_dev(obd);
+ time64_t val;
+ int rc;
+
+ rc = kstrtoll(buffer, 0, &val);
if (rc)
- count = rc;
+ return rc;
+
+ od->od_contention_time = val;
return count;
}
-LPROC_SEQ_FOPS(mdc_max_mod_rpcs_in_flight);
+LUSTRE_RW_ATTR(contention_seconds);
-static int mdc_rpc_stats_seq_show(struct seq_file *seq, void *v)
+LUSTRE_ATTR(mds_conn_uuid, 0444, conn_uuid_show, NULL);
+LUSTRE_RO_ATTR(conn_uuid);
+
+LUSTRE_RW_ATTR(ping);
+
+static int mdc_cached_mb_seq_show(struct seq_file *m, void *v)
{
- struct obd_device *dev = seq->private;
+ struct obd_device *dev = m->private;
+ struct client_obd *cli = &dev->u.cli;
+ int shift = 20 - PAGE_SHIFT;
- return obd_mod_rpc_stats_seq_show(&dev->u.cli, seq);
+ seq_printf(m, "used_mb: %ld\n"
+ "busy_cnt: %ld\n"
+ "reclaim: %llu\n",
+ (atomic_long_read(&cli->cl_lru_in_list) +
+ atomic_long_read(&cli->cl_lru_busy)) >> shift,
+ atomic_long_read(&cli->cl_lru_busy),
+ cli->cl_lru_reclaim);
+
+ return 0;
}
+/* shrink the number of caching pages to a specific number */
+static ssize_t
+mdc_cached_mb_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
+{
+ struct seq_file *sfl = file->private_data;
+ struct obd_device *dev = sfl->private;
+ struct client_obd *cli = &dev->u.cli;
+ __s64 pages_number;
+ long rc;
+ char kernbuf[128];
+
+ if (count >= sizeof(kernbuf))
+ return -EINVAL;
+
+ if (copy_from_user(kernbuf, buffer, count))
+ return -EFAULT;
+ kernbuf[count] = 0;
+
+ buffer += lprocfs_find_named_value(kernbuf, "used_mb:", &count) -
+ kernbuf;
+ rc = lprocfs_str_with_units_to_s64(buffer, count, &pages_number, 'M');
+ if (rc)
+ return rc;
+
+ pages_number >>= PAGE_SHIFT;
+
+ if (pages_number < 0)
+ return -ERANGE;
+
+ rc = atomic_long_read(&cli->cl_lru_in_list) - pages_number;
+ if (rc > 0) {
+ struct lu_env *env;
+ __u16 refcheck;
+
+ env = cl_env_get(&refcheck);
+ if (!IS_ERR(env)) {
+ (void)osc_lru_shrink(env, cli, rc, true);
+ cl_env_put(env, &refcheck);
+ }
+ }
+
+ return count;
+}
+LPROC_SEQ_FOPS(mdc_cached_mb);
+
+static int mdc_unstable_stats_seq_show(struct seq_file *m, void *v)
+{
+ struct obd_device *dev = m->private;
+ struct client_obd *cli = &dev->u.cli;
+ long pages;
+ int mb;
+
+ pages = atomic_long_read(&cli->cl_unstable_count);
+ mb = (pages * PAGE_SIZE) >> 20;
+
+ seq_printf(m, "unstable_pages: %20ld\n"
+ "unstable_mb: %10d\n", pages, mb);
+ return 0;
+}
+LPROC_SEQ_FOPS_RO(mdc_unstable_stats);
+
static ssize_t mdc_rpc_stats_seq_write(struct file *file,
const char __user *buf,
size_t len, loff_t *off)
lprocfs_oh_clear(&cli->cl_mod_rpcs_hist);
+ lprocfs_oh_clear(&cli->cl_read_rpc_hist);
+ lprocfs_oh_clear(&cli->cl_write_rpc_hist);
+ lprocfs_oh_clear(&cli->cl_read_page_hist);
+ lprocfs_oh_clear(&cli->cl_write_page_hist);
+ lprocfs_oh_clear(&cli->cl_read_offset_hist);
+ lprocfs_oh_clear(&cli->cl_write_offset_hist);
+
return len;
}
+
+static int mdc_rpc_stats_seq_show(struct seq_file *seq, void *v)
+{
+ struct obd_device *dev = seq->private;
+ struct client_obd *cli = &dev->u.cli;
+ unsigned long read_tot = 0, write_tot = 0, read_cum, write_cum;
+ int i;
+
+ obd_mod_rpc_stats_seq_show(&dev->u.cli, seq);
+
+ spin_lock(&cli->cl_loi_list_lock);
+
+ seq_printf(seq, "\nread RPCs in flight: %d\n",
+ cli->cl_r_in_flight);
+ seq_printf(seq, "write RPCs in flight: %d\n",
+ cli->cl_w_in_flight);
+ seq_printf(seq, "pending write pages: %d\n",
+ atomic_read(&cli->cl_pending_w_pages));
+ seq_printf(seq, "pending read pages: %d\n",
+ atomic_read(&cli->cl_pending_r_pages));
+
+ seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
+ seq_printf(seq, "pages per rpc rpcs %% cum %% |");
+ seq_printf(seq, " rpcs %% cum %%\n");
+
+ read_tot = lprocfs_oh_sum(&cli->cl_read_page_hist);
+ write_tot = lprocfs_oh_sum(&cli->cl_write_page_hist);
+
+ read_cum = 0;
+ write_cum = 0;
+ for (i = 0; i < OBD_HIST_MAX; i++) {
+ unsigned long r = cli->cl_read_page_hist.oh_buckets[i];
+ unsigned long w = cli->cl_write_page_hist.oh_buckets[i];
+
+ read_cum += r;
+ write_cum += w;
+ seq_printf(seq, "%d:\t\t%10lu %3u %3u | %10lu %3u %3u\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 == read_tot && write_cum == write_tot)
+ break;
+ }
+
+ seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
+ seq_printf(seq, "rpcs in flight rpcs %% cum %% |");
+ seq_printf(seq, " rpcs %% cum %%\n");
+
+ read_tot = lprocfs_oh_sum(&cli->cl_read_rpc_hist);
+ write_tot = lprocfs_oh_sum(&cli->cl_write_rpc_hist);
+
+ read_cum = 0;
+ write_cum = 0;
+ for (i = 0; i < OBD_HIST_MAX; i++) {
+ unsigned long r = cli->cl_read_rpc_hist.oh_buckets[i];
+ unsigned long w = cli->cl_write_rpc_hist.oh_buckets[i];
+
+ read_cum += r;
+ write_cum += w;
+ seq_printf(seq, "%d:\t\t%10lu %3u %3u | %10lu %3u %3u\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;
+ }
+
+ seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
+ seq_printf(seq, "offset rpcs %% cum %% |");
+ seq_printf(seq, " rpcs %% cum %%\n");
+
+ read_tot = lprocfs_oh_sum(&cli->cl_read_offset_hist);
+ write_tot = lprocfs_oh_sum(&cli->cl_write_offset_hist);
+
+ read_cum = 0;
+ write_cum = 0;
+ for (i = 0; i < OBD_HIST_MAX; i++) {
+ unsigned long r = cli->cl_read_offset_hist.oh_buckets[i];
+ unsigned long w = cli->cl_write_offset_hist.oh_buckets[i];
+
+ read_cum += r;
+ write_cum += w;
+ seq_printf(seq, "%d:\t\t%10lu %3u %3u | %10lu %3u %3u\n",
+ (i == 0) ? 0 : 1 << (i - 1),
+ 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;
+ }
+ spin_unlock(&cli->cl_loi_list_lock);
+
+ return 0;
+}
LPROC_SEQ_FOPS(mdc_rpc_stats);
-LPROC_SEQ_FOPS_WR_ONLY(mdc, ping);
+static int mdc_stats_seq_show(struct seq_file *seq, void *v)
+{
+ struct timespec64 now;
+ struct obd_device *dev = seq->private;
+ struct osc_stats *stats = &obd2osc_dev(dev)->od_stats;
+
+ ktime_get_real_ts64(&now);
+
+ seq_printf(seq, "snapshot_time: %lld.%09lu (secs.nsecs)\n",
+ (s64)now.tv_sec, now.tv_nsec);
+ seq_printf(seq, "lockless_write_bytes\t\t%llu\n",
+ stats->os_lockless_writes);
+ seq_printf(seq, "lockless_read_bytes\t\t%llu\n",
+ stats->os_lockless_reads);
+ seq_printf(seq, "lockless_truncate\t\t%llu\n",
+ stats->os_lockless_truncates);
+ return 0;
+}
+
+static ssize_t mdc_stats_seq_write(struct file *file,
+ const char __user *buf,
+ size_t len, loff_t *off)
+{
+ struct seq_file *seq = file->private_data;
+ struct obd_device *dev = seq->private;
+ struct osc_stats *stats = &obd2osc_dev(dev)->od_stats;
+
+ memset(stats, 0, sizeof(*stats));
+ return len;
+}
+LPROC_SEQ_FOPS(mdc_stats);
+
+static int mdc_dom_min_repsize_seq_show(struct seq_file *m, void *v)
+{
+ struct obd_device *dev = m->private;
+
+ seq_printf(m, "%u\n", dev->u.cli.cl_dom_min_inline_repsize);
+
+ return 0;
+}
+
+static ssize_t mdc_dom_min_repsize_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
+{
+ struct obd_device *dev;
+ unsigned int val;
+ int rc;
+
+ dev = ((struct seq_file *)file->private_data)->private;
+ rc = kstrtouint_from_user(buffer, count, 0, &val);
+ if (rc)
+ return rc;
+
+ if (val > MDC_DOM_MAX_INLINE_REPSIZE)
+ return -ERANGE;
+
+ dev->u.cli.cl_dom_min_inline_repsize = val;
+ return count;
+}
+LPROC_SEQ_FOPS(mdc_dom_min_repsize);
LPROC_SEQ_FOPS_RO_TYPE(mdc, connect_flags);
LPROC_SEQ_FOPS_RO_TYPE(mdc, server_uuid);
-LPROC_SEQ_FOPS_RO_TYPE(mdc, conn_uuid);
LPROC_SEQ_FOPS_RO_TYPE(mdc, timeouts);
LPROC_SEQ_FOPS_RO_TYPE(mdc, state);
LPROC_SEQ_FOPS_RW_TYPE(mdc, obd_max_pages_per_rpc);
LPROC_SEQ_FOPS_RW_TYPE(mdc, pinger_recov);
struct lprocfs_vars lprocfs_mdc_obd_vars[] = {
- { .name = "ping",
- .fops = &mdc_ping_fops,
- .proc_mode = 0222 },
{ .name = "connect_flags",
.fops = &mdc_connect_flags_fops },
{ .name = "mds_server_uuid",
.fops = &mdc_server_uuid_fops },
- { .name = "mds_conn_uuid",
- .fops = &mdc_conn_uuid_fops },
- { .name = "max_pages_per_rpc",
- .fops = &mdc_obd_max_pages_per_rpc_fops },
- { .name = "max_rpcs_in_flight",
- .fops = &mdc_max_rpcs_in_flight_fops },
- { .name = "max_mod_rpcs_in_flight",
- .fops = &mdc_max_mod_rpcs_in_flight_fops },
+ { .name = "max_pages_per_rpc",
+ .fops = &mdc_obd_max_pages_per_rpc_fops },
+ { .name = "max_dirty_mb",
+ .fops = &mdc_max_dirty_mb_fops },
+ { .name = "mdc_cached_mb",
+ .fops = &mdc_cached_mb_fops },
{ .name = "timeouts",
.fops = &mdc_timeouts_fops },
{ .name = "import",
.fops = &mdc_pinger_recov_fops },
{ .name = "rpc_stats",
.fops = &mdc_rpc_stats_fops },
- { .name = "active",
- .fops = &mdc_active_fops },
+ { .name = "unstable_stats",
+ .fops = &mdc_unstable_stats_fops },
+ { .name = "mdc_stats",
+ .fops = &mdc_stats_fops },
+ { .name = "mdc_dom_min_repsize",
+ .fops = &mdc_dom_min_repsize_fops },
{ NULL }
};
-#endif /* CONFIG_PROC_FS */
+
+static struct attribute *mdc_attrs[] = {
+ &lustre_attr_active.attr,
+ &lustre_attr_max_rpcs_in_flight.attr,
+ &lustre_attr_max_mod_rpcs_in_flight.attr,
+ &lustre_attr_contention_seconds.attr,
+ &lustre_attr_mds_conn_uuid.attr,
+ &lustre_attr_conn_uuid.attr,
+ &lustre_attr_ping.attr,
+ NULL,
+};
+
+int mdc_tunables_init(struct obd_device *obd)
+{
+ int rc;
+
+ obd->obd_ktype.default_attrs = mdc_attrs;
+ obd->obd_vars = lprocfs_mdc_obd_vars;
+
+ rc = lprocfs_obd_setup(obd, false);
+ if (rc)
+ goto out_failed;
+#ifdef CONFIG_PROC_FS
+ rc = lprocfs_alloc_md_stats(obd, 0);
+ if (rc) {
+ lprocfs_obd_cleanup(obd);
+ goto out_failed;
+ }
+#endif
+ rc = sptlrpc_lprocfs_cliobd_attach(obd);
+ if (rc) {
+#ifdef CONFIG_PROC_FS
+ lprocfs_free_md_stats(obd);
+#endif
+ lprocfs_obd_cleanup(obd);
+ goto out_failed;
+ }
+ ptlrpc_lprocfs_register_obd(obd);
+
+out_failed:
+ return rc;
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff