- ENTRY;
- if (pl->pl_ops->po_setup != NULL)
- RETURN(pl->pl_ops->po_setup(pl, limit));
- RETURN(0);
-}
-EXPORT_SYMBOL(ldlm_pool_setup);
-
-#ifdef __KERNEL__
-static int lprocfs_rd_pool_state(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- int granted, grant_rate, cancel_rate, grant_step;
- int nr = 0, grant_speed, grant_plan, lvf;
- struct ldlm_pool *pl = data;
- __u64 slv, clv;
- __u32 limit;
-
- spin_lock(&pl->pl_lock);
- slv = pl->pl_server_lock_volume;
- clv = pl->pl_client_lock_volume;
- limit = ldlm_pool_get_limit(pl);
- grant_plan = pl->pl_grant_plan;
- granted = atomic_read(&pl->pl_granted);
- grant_rate = atomic_read(&pl->pl_grant_rate);
- lvf = atomic_read(&pl->pl_lock_volume_factor);
- grant_speed = atomic_read(&pl->pl_grant_speed);
- cancel_rate = atomic_read(&pl->pl_cancel_rate);
- grant_step = ldlm_pool_t2gsp(pl->pl_recalc_period);
- spin_unlock(&pl->pl_lock);
-
- nr += snprintf(page + nr, count - nr, "LDLM pool state (%s):\n",
- pl->pl_name);
- nr += snprintf(page + nr, count - nr, " SLV: "LPU64"\n", slv);
- nr += snprintf(page + nr, count - nr, " CLV: "LPU64"\n", clv);
- nr += snprintf(page + nr, count - nr, " LVF: %d\n", lvf);
-
- if (ns_is_server(ldlm_pl2ns(pl))) {
- nr += snprintf(page + nr, count - nr, " GSP: %d%%\n",
- grant_step);
- nr += snprintf(page + nr, count - nr, " GP: %d\n",
- grant_plan);
- }
- nr += snprintf(page + nr, count - nr, " GR: %d\n",
- grant_rate);
- nr += snprintf(page + nr, count - nr, " CR: %d\n",
- cancel_rate);
- nr += snprintf(page + nr, count - nr, " GS: %d\n",
- grant_speed);
- nr += snprintf(page + nr, count - nr, " G: %d\n",
- granted);
- nr += snprintf(page + nr, count - nr, " L: %d\n",
- limit);
- return nr;
-}
-
-LDLM_POOL_PROC_READER(grant_plan, int);
-LDLM_POOL_PROC_READER(recalc_period, int);
-LDLM_POOL_PROC_WRITER(recalc_period, int);
-
-static int ldlm_pool_proc_init(struct ldlm_pool *pl)
-{
- struct ldlm_namespace *ns = ldlm_pl2ns(pl);
- struct proc_dir_entry *parent_ns_proc;
- struct lprocfs_vars pool_vars[2];
- char *var_name = NULL;
- int rc = 0;
- ENTRY;
-
- OBD_ALLOC(var_name, MAX_STRING_SIZE + 1);
- if (!var_name)
- RETURN(-ENOMEM);
-
- parent_ns_proc = lprocfs_srch(ldlm_ns_proc_dir, ns->ns_name);
- if (parent_ns_proc == NULL) {
- CERROR("%s: proc entry is not initialized\n",
- ns->ns_name);
- GOTO(out_free_name, rc = -EINVAL);
- }
- pl->pl_proc_dir = lprocfs_register("pool", parent_ns_proc,
- NULL, NULL);
- if (IS_ERR(pl->pl_proc_dir)) {
- CERROR("LProcFS failed in ldlm-pool-init\n");
- rc = PTR_ERR(pl->pl_proc_dir);
- GOTO(out_free_name, rc);
- }
-
- var_name[MAX_STRING_SIZE] = '\0';
- memset(pool_vars, 0, sizeof(pool_vars));
- pool_vars[0].name = var_name;
-
- snprintf(var_name, MAX_STRING_SIZE, "server_lock_volume");
- pool_vars[0].data = &pl->pl_server_lock_volume;
- pool_vars[0].read_fptr = lprocfs_rd_u64;
- lprocfs_add_vars(pl->pl_proc_dir, pool_vars, 0);
-
- snprintf(var_name, MAX_STRING_SIZE, "limit");
- pool_vars[0].data = &pl->pl_limit;
- pool_vars[0].read_fptr = lprocfs_rd_atomic;
- pool_vars[0].write_fptr = lprocfs_wr_atomic;
- lprocfs_add_vars(pl->pl_proc_dir, pool_vars, 0);
-
- snprintf(var_name, MAX_STRING_SIZE, "granted");
- pool_vars[0].data = &pl->pl_granted;
- pool_vars[0].read_fptr = lprocfs_rd_atomic;
- lprocfs_add_vars(pl->pl_proc_dir, pool_vars, 0);
-
- snprintf(var_name, MAX_STRING_SIZE, "grant_speed");
- pool_vars[0].data = &pl->pl_grant_speed;
- pool_vars[0].read_fptr = lprocfs_rd_atomic;
- lprocfs_add_vars(pl->pl_proc_dir, pool_vars, 0);
-
- snprintf(var_name, MAX_STRING_SIZE, "cancel_rate");
- pool_vars[0].data = &pl->pl_cancel_rate;
- pool_vars[0].read_fptr = lprocfs_rd_atomic;
- lprocfs_add_vars(pl->pl_proc_dir, pool_vars, 0);
-
- snprintf(var_name, MAX_STRING_SIZE, "grant_rate");
- pool_vars[0].data = &pl->pl_grant_rate;
- pool_vars[0].read_fptr = lprocfs_rd_atomic;
- lprocfs_add_vars(pl->pl_proc_dir, pool_vars, 0);
-
- snprintf(var_name, MAX_STRING_SIZE, "grant_plan");
- pool_vars[0].data = pl;
- pool_vars[0].read_fptr = lprocfs_rd_grant_plan;
- lprocfs_add_vars(pl->pl_proc_dir, pool_vars, 0);
-
- snprintf(var_name, MAX_STRING_SIZE, "recalc_period");
- pool_vars[0].data = pl;
- pool_vars[0].read_fptr = lprocfs_rd_recalc_period;
- pool_vars[0].write_fptr = lprocfs_wr_recalc_period;
- lprocfs_add_vars(pl->pl_proc_dir, pool_vars, 0);
-
- snprintf(var_name, MAX_STRING_SIZE, "lock_volume_factor");
- pool_vars[0].data = &pl->pl_lock_volume_factor;
- pool_vars[0].read_fptr = lprocfs_rd_atomic;
- pool_vars[0].write_fptr = lprocfs_wr_atomic;
- lprocfs_add_vars(pl->pl_proc_dir, pool_vars, 0);
-
- snprintf(var_name, MAX_STRING_SIZE, "state");
- pool_vars[0].data = pl;
- pool_vars[0].read_fptr = lprocfs_rd_pool_state;
- lprocfs_add_vars(pl->pl_proc_dir, pool_vars, 0);
-
- pl->pl_stats = lprocfs_alloc_stats(LDLM_POOL_LAST_STAT -
- LDLM_POOL_FIRST_STAT, 0);
- if (!pl->pl_stats)
- GOTO(out_free_name, rc = -ENOMEM);
-
- lprocfs_counter_init(pl->pl_stats, LDLM_POOL_GRANTED_STAT,
- LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
- "granted", "locks");
- lprocfs_counter_init(pl->pl_stats, LDLM_POOL_GRANT_STAT,
- LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
- "grant", "locks");
- lprocfs_counter_init(pl->pl_stats, LDLM_POOL_CANCEL_STAT,
- LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
- "cancel", "locks");
- lprocfs_counter_init(pl->pl_stats, LDLM_POOL_GRANT_RATE_STAT,
- LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
- "grant_rate", "locks/s");
- lprocfs_counter_init(pl->pl_stats, LDLM_POOL_CANCEL_RATE_STAT,
- LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
- "cancel_rate", "locks/s");
- lprocfs_counter_init(pl->pl_stats, LDLM_POOL_GRANT_PLAN_STAT,
- LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
- "grant_plan", "locks/s");
- lprocfs_counter_init(pl->pl_stats, LDLM_POOL_SLV_STAT,
- LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
- "slv", "slv");
- lprocfs_counter_init(pl->pl_stats, LDLM_POOL_SHRINK_REQTD_STAT,
- LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
- "shrink_request", "locks");
- lprocfs_counter_init(pl->pl_stats, LDLM_POOL_SHRINK_FREED_STAT,
- LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
- "shrink_freed", "locks");
- lprocfs_counter_init(pl->pl_stats, LDLM_POOL_RECALC_STAT,
- LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
- "recalc_freed", "locks");
- lprocfs_counter_init(pl->pl_stats, LDLM_POOL_TIMING_STAT,
- LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
- "recalc_timing", "sec");
- lprocfs_register_stats(pl->pl_proc_dir, "stats", pl->pl_stats);
-
- EXIT;
-out_free_name:
- OBD_FREE(var_name, MAX_STRING_SIZE + 1);
- return rc;
-}
-
-static void ldlm_pool_proc_fini(struct ldlm_pool *pl)
-{
- if (pl->pl_stats != NULL) {
- lprocfs_free_stats(&pl->pl_stats);
- pl->pl_stats = NULL;
- }
- if (pl->pl_proc_dir != NULL) {
- lprocfs_remove(&pl->pl_proc_dir);
- pl->pl_proc_dir = NULL;
- }
-}
-#else /* !__KERNEL__*/
-#define ldlm_pool_proc_init(pl) (0)
-#define ldlm_pool_proc_fini(pl) while (0) {}
-#endif
+ if (pl->pl_ops->po_setup != NULL)
+ return pl->pl_ops->po_setup(pl, limit);
+ return 0;
+}
+
+static int lprocfs_pool_state_seq_show(struct seq_file *m, void *unused)
+{
+ int granted, grant_rate, cancel_rate, grant_step;
+ int grant_speed, grant_plan, lvf;
+ struct ldlm_pool *pl = m->private;
+ __u64 slv, clv;
+ __u32 limit;
+
+ spin_lock(&pl->pl_lock);
+ slv = pl->pl_server_lock_volume;
+ clv = pl->pl_client_lock_volume;
+ limit = ldlm_pool_get_limit(pl);
+ grant_plan = pl->pl_grant_plan;
+ granted = ldlm_pool_granted(pl);
+ grant_rate = atomic_read(&pl->pl_grant_rate);
+ cancel_rate = atomic_read(&pl->pl_cancel_rate);
+ grant_speed = grant_rate - cancel_rate;
+ lvf = atomic_read(&pl->pl_lock_volume_factor);
+ grant_step = ldlm_pool_t2gsp(pl->pl_recalc_period);
+ spin_unlock(&pl->pl_lock);
+
+ seq_printf(m, "LDLM pool state (%s):\n"
+ " SLV: %llu\n"
+ " CLV: %llu\n"
+ " LVF: %d\n",
+ pl->pl_name, slv, clv, lvf);
+
+ if (ns_is_server(ldlm_pl2ns(pl))) {
+ seq_printf(m, " GSP: %d%%\n", grant_step);
+ seq_printf(m, " GP: %d\n", grant_plan);
+ }
+
+ seq_printf(m, " GR: %d\n CR: %d\n GS: %d\n G: %d\n L: %d\n",
+ grant_rate, cancel_rate, grant_speed,
+ granted, limit);
+ return 0;
+}
+
+LDEBUGFS_SEQ_FOPS_RO(lprocfs_pool_state);
+
+static ssize_t grant_speed_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ struct ldlm_pool *pl = container_of(kobj, struct ldlm_pool,
+ pl_kobj);
+ int grant_speed;
+
+ spin_lock(&pl->pl_lock);
+ /* serialize with ldlm_pool_recalc */
+ grant_speed = atomic_read(&pl->pl_grant_rate) -
+ atomic_read(&pl->pl_cancel_rate);
+ spin_unlock(&pl->pl_lock);
+ return sprintf(buf, "%d\n", grant_speed);
+}
+LUSTRE_RO_ATTR(grant_speed);
+
+LDLM_POOL_SYSFS_READER_SHOW(grant_plan, int);
+LUSTRE_RO_ATTR(grant_plan);
+
+LDLM_POOL_SYSFS_READER_SHOW(recalc_period, int);
+LDLM_POOL_SYSFS_WRITER_STORE(recalc_period, int);
+LUSTRE_RW_ATTR(recalc_period);
+
+LDLM_POOL_SYSFS_READER_NOLOCK_SHOW(server_lock_volume, u64);
+LUSTRE_RO_ATTR(server_lock_volume);
+
+LDLM_POOL_SYSFS_READER_NOLOCK_SHOW(limit, atomic);
+LDLM_POOL_SYSFS_WRITER_NOLOCK_STORE(limit, atomic);
+LUSTRE_RW_ATTR(limit);
+
+LDLM_POOL_SYSFS_READER_NOLOCK_SHOW(granted, atomic);
+LUSTRE_RO_ATTR(granted);
+
+LDLM_POOL_SYSFS_READER_NOLOCK_SHOW(cancel_rate, atomic);
+LUSTRE_RO_ATTR(cancel_rate);
+
+LDLM_POOL_SYSFS_READER_NOLOCK_SHOW(grant_rate, atomic);
+LUSTRE_RO_ATTR(grant_rate);
+
+LDLM_POOL_SYSFS_READER_NOLOCK_SHOW(lock_volume_factor, atomic);
+LDLM_POOL_SYSFS_WRITER_NOLOCK_STORE(lock_volume_factor, atomic);
+LUSTRE_RW_ATTR(lock_volume_factor);
+
+/* These are for pools in /sys/fs/lustre/ldlm/namespaces/.../pool */
+static struct attribute *ldlm_pl_attrs[] = {
+ &lustre_attr_grant_speed.attr,
+ &lustre_attr_grant_plan.attr,
+ &lustre_attr_recalc_period.attr,
+ &lustre_attr_server_lock_volume.attr,
+ &lustre_attr_limit.attr,
+ &lustre_attr_granted.attr,
+ &lustre_attr_cancel_rate.attr,
+ &lustre_attr_grant_rate.attr,
+ &lustre_attr_lock_volume_factor.attr,
+ NULL,
+};
+
+static void ldlm_pl_release(struct kobject *kobj)
+{
+ struct ldlm_pool *pl = container_of(kobj, struct ldlm_pool,
+ pl_kobj);
+ complete(&pl->pl_kobj_unregister);
+}
+
+static struct kobj_type ldlm_pl_ktype = {
+ .default_attrs = ldlm_pl_attrs,
+ .sysfs_ops = &lustre_sysfs_ops,
+ .release = ldlm_pl_release,
+};
+
+static int ldlm_pool_sysfs_init(struct ldlm_pool *pl)
+{
+ struct ldlm_namespace *ns = ldlm_pl2ns(pl);
+ int err;
+
+ init_completion(&pl->pl_kobj_unregister);
+ err = kobject_init_and_add(&pl->pl_kobj, &ldlm_pl_ktype, &ns->ns_kobj,
+ "pool");
+
+ return err;
+}
+
+static int ldlm_pool_debugfs_init(struct ldlm_pool *pl)
+{
+ struct ldlm_namespace *ns = ldlm_pl2ns(pl);
+ struct dentry *debugfs_ns_parent;
+ struct lprocfs_vars pool_vars[2];
+ int rc = 0;
+
+ ENTRY;
+
+ debugfs_ns_parent = ns->ns_debugfs_entry;
+ if (IS_ERR_OR_NULL(debugfs_ns_parent)) {
+ CERROR("%s: debugfs entry is not initialized\n",
+ ldlm_ns_name(ns));
+ GOTO(out, rc = -EINVAL);
+ }
+ pl->pl_debugfs_entry = ldebugfs_register("pool", debugfs_ns_parent,
+ NULL, NULL);
+ if (IS_ERR(pl->pl_debugfs_entry)) {
+ rc = PTR_ERR(pl->pl_debugfs_entry);
+ pl->pl_debugfs_entry = NULL;
+ CERROR("%s: cannot create 'pool' debugfs entry: rc = %d\n",
+ ldlm_ns_name(ns), rc);
+ GOTO(out, rc);
+ }
+
+ memset(pool_vars, 0, sizeof(pool_vars));
+
+ ldlm_add_var(&pool_vars[0], pl->pl_debugfs_entry, "state", pl,
+ &lprocfs_pool_state_fops);
+
+ pl->pl_stats = lprocfs_alloc_stats(LDLM_POOL_LAST_STAT -
+ LDLM_POOL_FIRST_STAT, 0);
+ if (!pl->pl_stats)
+ GOTO(out, rc = -ENOMEM);
+
+ lprocfs_counter_init(pl->pl_stats, LDLM_POOL_GRANTED_STAT,
+ LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
+ "granted", "locks");
+ lprocfs_counter_init(pl->pl_stats, LDLM_POOL_GRANT_STAT,
+ LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
+ "grant", "locks");
+ lprocfs_counter_init(pl->pl_stats, LDLM_POOL_CANCEL_STAT,
+ LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
+ "cancel", "locks");
+ lprocfs_counter_init(pl->pl_stats, LDLM_POOL_GRANT_RATE_STAT,
+ LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
+ "grant_rate", "locks/s");
+ lprocfs_counter_init(pl->pl_stats, LDLM_POOL_CANCEL_RATE_STAT,
+ LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
+ "cancel_rate", "locks/s");
+ lprocfs_counter_init(pl->pl_stats, LDLM_POOL_GRANT_PLAN_STAT,
+ LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
+ "grant_plan", "locks/s");
+ lprocfs_counter_init(pl->pl_stats, LDLM_POOL_SLV_STAT,
+ LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
+ "slv", "slv");
+ lprocfs_counter_init(pl->pl_stats, LDLM_POOL_SHRINK_REQTD_STAT,
+ LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
+ "shrink_request", "locks");
+ lprocfs_counter_init(pl->pl_stats, LDLM_POOL_SHRINK_FREED_STAT,
+ LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
+ "shrink_freed", "locks");
+ lprocfs_counter_init(pl->pl_stats, LDLM_POOL_RECALC_STAT,
+ LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
+ "recalc_freed", "locks");
+ lprocfs_counter_init(pl->pl_stats, LDLM_POOL_TIMING_STAT,
+ LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV,
+ "recalc_timing", "sec");
+ rc = ldebugfs_register_stats(pl->pl_debugfs_entry, "stats",
+ pl->pl_stats);
+
+ EXIT;
+out:
+ return rc;
+}
+
+static void ldlm_pool_sysfs_fini(struct ldlm_pool *pl)
+{
+ kobject_put(&pl->pl_kobj);
+ wait_for_completion(&pl->pl_kobj_unregister);
+}
+
+static void ldlm_pool_debugfs_fini(struct ldlm_pool *pl)
+{
+ if (pl->pl_stats != NULL) {
+ lprocfs_free_stats(&pl->pl_stats);
+ pl->pl_stats = NULL;
+ }
+ if (pl->pl_debugfs_entry != NULL) {
+ ldebugfs_remove(&pl->pl_debugfs_entry);
+ pl->pl_debugfs_entry = NULL;
+ }
+}