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- landing of b_fid after merge with b_hd_cleanup_merge.
[fs/lustre-release.git] / lustre / obdclass / lprocfs_status.c
index fcfb991..8c2e1b1 100644 (file)
@@ -35,6 +35,7 @@
 #  include <asm/statfs.h>
 # endif
 # include <linux/seq_file.h>
+# include <asm/div64.h>
 #else /* __KERNEL__ */
 # include <liblustre.h>
 #endif
@@ -44,7 +45,6 @@
 #include <linux/lustre_fsfilt.h>
 
 #if defined(LPROCFS) && defined(__KERNEL__)
-
 struct proc_dir_entry *lprocfs_srch(struct proc_dir_entry *head,
                                     const char *name)
 {
@@ -64,7 +64,6 @@ struct proc_dir_entry *lprocfs_srch(struct proc_dir_entry *head,
 }
 
 /* lprocfs API calls */
-
 int lprocfs_add_vars(struct proc_dir_entry *root, struct lprocfs_vars *list,
                      void *data)
 {
@@ -363,30 +362,29 @@ int lprocfs_rd_numrefs(char *page, char **start, off_t off, int count,
         return snprintf(page, count, "%d\n", class->typ_refcnt);
 }
 
-int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list)
+int lprocfs_obd_attach(struct obd_device *dev, struct lprocfs_vars *list)
 {
         int rc = 0;
 
-        LASSERT(obd != NULL);
-        LASSERT(obd->obd_type != NULL);
-        LASSERT(obd->obd_type->typ_procroot != NULL);
-
-        obd->obd_proc_entry = lprocfs_register(obd->obd_name,
-                                               obd->obd_type->typ_procroot,
-                                               list, obd);
-        if (IS_ERR(obd->obd_proc_entry)) {
-                rc = PTR_ERR(obd->obd_proc_entry);
-                CERROR("error %d setting up lprocfs for %s\n",rc,obd->obd_name);
-                obd->obd_proc_entry = NULL;
+        LASSERT(dev != NULL);
+        LASSERT(dev->obd_type != NULL);
+        LASSERT(dev->obd_type->typ_procroot != NULL);
+
+        dev->obd_proc_entry = lprocfs_register(dev->obd_name,
+                                               dev->obd_type->typ_procroot,
+                                               list, dev);
+        if (IS_ERR(dev->obd_proc_entry)) {
+                rc = PTR_ERR(dev->obd_proc_entry);
+                dev->obd_proc_entry = NULL;
         }
         return rc;
 }
 
-int lprocfs_obd_cleanup(struct obd_device *obd)
+int lprocfs_obd_detach(struct obd_device *dev)
 {
-        if (obd && obd->obd_proc_entry) {
-                lprocfs_remove(obd->obd_proc_entry);
-                obd->obd_proc_entry = NULL;
+        if (dev && dev->obd_proc_entry) {
+                lprocfs_remove(dev->obd_proc_entry);
+                dev->obd_proc_entry = NULL;
         }
         return 0;
 }
@@ -542,11 +540,11 @@ static int lprocfs_stats_seq_open(struct inode *inode, struct file *file)
 }
 
 struct file_operations lprocfs_stats_seq_fops = {
-        owner:   THIS_MODULE,
-        open:    lprocfs_stats_seq_open,
-        read:    seq_read,
-        llseek:  seq_lseek,
-        release: seq_release,
+        .owner   = THIS_MODULE,
+        .open    = lprocfs_stats_seq_open,
+        .read    = seq_read,
+        .llseek  = seq_lseek,
+        .release = seq_release,
 };
 
 int lprocfs_register_stats(struct proc_dir_entry *root, const char *name,
@@ -598,7 +596,7 @@ int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
         LASSERT(obd->obd_proc_entry != NULL);
         LASSERT(obd->obd_cntr_base == 0);
 
-        num_stats = 1 + OBD_COUNTER_OFFSET(notify) +
+        num_stats = 1 + OBD_COUNTER_OFFSET(init_ea_size) +
                 num_private_stats;
         stats = lprocfs_alloc_stats(num_stats);
         if (stats == NULL)
@@ -612,12 +610,17 @@ int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, setup);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, precleanup);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, cleanup);
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, process_config);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, postrecov);
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, add_conn);
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, del_conn);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, connect);
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, connect_post);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, disconnect);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, packmd);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, unpackmd);
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, revalidate_md);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, preallocate);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, create);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy);
@@ -639,6 +642,8 @@ int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, iterate);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, preprw);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, commitrw);
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, do_cow);
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, write_extents);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, enqueue);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, match);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, change_cbdata);
@@ -649,16 +654,18 @@ int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy_export);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_init); 
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_finish); 
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_connect); 
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, pin); 
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, unpin);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, import_event);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, notify);
-        
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, getready);
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, init_ea_size);
+
         for (i = num_private_stats; i < num_stats; i++) {
-                /* If this LBUGs, it is likely that an obd
-                 * operation was added to struct obd_ops in
-                 * <linux/obd.h>, and that the corresponding line item
-                 * LPROCFS_OBD_OP_INIT(.., .., opname)
+                /* if this LBUGs, it is likely that an obd operation was added
+                 * to struct obd_ops in <linux/obd.h>, and that the
+                 * corresponding line item LPROCFS_OBD_OP_INIT(.., .., opname)
                  * is missing from the list above. */
                 if (stats->ls_percpu[0]->lp_cntr[i].lc_name == NULL) {
                         CERROR("Missing obd_stat initializer obd_op "
@@ -787,14 +794,127 @@ void lprocfs_oh_clear(struct obd_histogram *oh)
 }
 EXPORT_SYMBOL(lprocfs_oh_clear);
 
+/* XXX copied from ldlm/ldlm_lockd.c, copied from ptlrpc/service.c */
+static long timeval_sub(struct timeval *large, struct timeval *small)
+{
+        return ((large->tv_sec - small->tv_sec) * 1000000) +
+                (large->tv_usec - small->tv_usec);
+}
+void lprocfs_stime_record(struct obd_service_time *stime, struct timeval *large,
+                          struct timeval *small)
+{
+        long diff = timeval_sub(large, small);
+
+        if (diff < 0)
+                return;
+
+        stime->st_num++;
+        stime->st_total_us += diff;
+}
+EXPORT_SYMBOL(lprocfs_stime_record);
+
+unsigned long lprocfs_stime_avg_ms(struct obd_service_time *stime)
+{
+        struct obd_service_time copy;
+
+        memcpy(&copy, stime, sizeof(copy));
+        if (copy.st_num > 0) {
+                do_div(copy.st_total_us, copy.st_num * 1000);
+                return (unsigned long)copy.st_total_us;
+        }
+        return 0;
+}
+EXPORT_SYMBOL(lprocfs_stime_avg_ms);
+
+unsigned long lprocfs_stime_avg_us(struct obd_service_time *stime)
+{
+        struct obd_service_time copy;
+        __u32 remainder;
+
+        memcpy(&copy, stime, sizeof(copy));
+        if (copy.st_num > 0) {
+                do_div(copy.st_total_us, copy.st_num);
+                remainder = do_div(copy.st_total_us, 1000);
+                return (unsigned long)remainder;
+        }
+        return 0;
+}
+EXPORT_SYMBOL(lprocfs_stime_avg_us);
+
+int lprocfs_obd_rd_recovery_status(char *page, char **start, off_t off,
+                                          int count, int *eof, void *data)
+{
+        struct obd_device *obd = data;
+        int len = 0, n,
+                connected = obd->obd_connected_clients,
+                max_recoverable = obd->obd_max_recoverable_clients,
+                recoverable = obd->obd_recoverable_clients,
+                completed = max_recoverable - recoverable,
+                queue_len = obd->obd_requests_queued_for_recovery,
+                replayed = obd->obd_replayed_requests;
+        __u64 next_transno = obd->obd_next_recovery_transno;
+
+        LASSERT(obd != NULL);
+        *eof = 1;
+
+        n = snprintf(page, count, "status: ");
+        page += n; len += n; count -= n;
+        if (obd->obd_max_recoverable_clients == 0) {
+                n = snprintf(page, count, "INACTIVE\n");
+                return len + n;
+        }
+
+        /* sampled unlocked, but really... */
+        if (obd->obd_recovering == 0) {
+                n = snprintf(page, count, "COMPLETE\n");
+                page += n; len += n; count -= n;
+
+                n = snprintf(page, count, "recovery_start: %lu\n",
+                             obd->obd_recovery_start);
+                page += n; len += n; count -= n;
+                n = snprintf(page, count, "recovery_end: %lu\n",
+                             obd->obd_recovery_end);
+                page += n; len += n; count -= n;
+                n = snprintf(page, count, "recovered_clients: %d\n",
+                             completed);
+                page += n; len += n; count -= n;
+                n = snprintf(page, count, "unrecovered_clients: %d\n",
+                             obd->obd_recoverable_clients);
+                page += n; len += n; count -= n;
+                n = snprintf(page, count, "last_transno: "LPD64"\n",
+                             next_transno - 1);
+                page += n; len += n; count -= n;
+                n = snprintf(page, count, "replayed_requests: %d\n", replayed);
+                return len + n;
+        }
+
+        n = snprintf(page, count, "RECOVERING\n");
+        page += n; len += n; count -= n;
+        n = snprintf(page, count, "recovery_start: %lu\n",
+                     obd->obd_recovery_start);
+        page += n; len += n; count -= n;
+        n = snprintf(page, count, "connected_clients: %d/%d\n",
+                     connected, max_recoverable);
+        page += n; len += n; count -= n;
+        n = snprintf(page, count, "completed_clients: %d/%d\n",
+                     completed, max_recoverable);
+        page += n; len += n; count -= n;
+        n = snprintf(page, count, "replayed_requests: %d/??\n", replayed);
+        page += n; len += n; count -= n;
+        n = snprintf(page, count, "queued_requests: %d\n", queue_len);
+        page += n; len += n; count -= n;
+        n = snprintf(page, count, "next_transno: "LPD64"\n", next_transno);
+        return len + n;
+}
+EXPORT_SYMBOL(lprocfs_obd_rd_recovery_status);
 #endif /* LPROCFS*/
 
 EXPORT_SYMBOL(lprocfs_register);
 EXPORT_SYMBOL(lprocfs_srch);
 EXPORT_SYMBOL(lprocfs_remove);
 EXPORT_SYMBOL(lprocfs_add_vars);
-EXPORT_SYMBOL(lprocfs_obd_setup);
-EXPORT_SYMBOL(lprocfs_obd_cleanup);
+EXPORT_SYMBOL(lprocfs_obd_attach);
+EXPORT_SYMBOL(lprocfs_obd_detach);
 EXPORT_SYMBOL(lprocfs_alloc_stats);
 EXPORT_SYMBOL(lprocfs_free_stats);
 EXPORT_SYMBOL(lprocfs_register_stats);