Whamcloud - gitweb
- landing of b_hd_cleanup_merge to HEAD.
[fs/lustre-release.git] / lustre / obdclass / lprocfs_status.c
index fadf05b..d685687 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
@@ -138,13 +139,20 @@ void lprocfs_remove(struct proc_dir_entry *root)
         LASSERT(root != NULL);
         parent = root->parent;
         LASSERT(parent != NULL);
-
         while (1) {
                 while (temp->subdir != NULL)
                         temp = temp->subdir;
 
                 rm_entry = temp;
                 temp = temp->parent;
+
+                /* Memory corruption once caused this to fail, and
+                   without this LASSERT we would loop here forever. */
+                LASSERTF(strlen(rm_entry->name) == rm_entry->namelen,
+                         "0x%p  %s/%s len %d\n", rm_entry, temp->name,
+                         rm_entry->name, (int)strlen(rm_entry->name));
+
                 remove_proc_entry(rm_entry->name, rm_entry->parent);
                 if (temp == parent)
                         break;
@@ -308,20 +316,13 @@ int lprocfs_rd_filesfree(char *page, char **start, off_t off, int count,
         return rc;
 }
 
-int lprocfs_rd_filegroups(char *page, char **start, off_t off, int count,
-                          int *eof, void *data)
-{
-        *eof = 1;
-        return snprintf(page, count, "unimplemented\n");
-}
-
 int lprocfs_rd_server_uuid(char *page, char **start, off_t off, int count,
                            int *eof, void *data)
 {
         struct obd_device *obd = (struct obd_device *)data;
         struct obd_import *imp;
         char *imp_state_name = NULL;
-        
+
         LASSERT(obd != NULL);
         imp = obd->u.cli.cl_import;
         imp_state_name = ptlrpc_import_state_name(imp->imp_state);
@@ -343,6 +344,16 @@ int lprocfs_rd_conn_uuid(char *page, char **start, off_t off, int count,
         return snprintf(page, count, "%s\n", conn->c_remote_uuid.uuid);
 }
 
+int lprocfs_rd_num_exports(char *page, char **start, off_t off, int count,
+                           int *eof,  void *data)
+{
+        struct obd_device *obd = (struct obd_device*)data;
+
+        LASSERT(obd != NULL);
+        *eof = 1;
+        return snprintf(page, count, "%u\n", obd->obd_num_exports);
+}
+
 int lprocfs_rd_numrefs(char *page, char **start, off_t off, int count,
                        int *eof, void *data)
 {
@@ -531,10 +542,11 @@ static int lprocfs_stats_seq_open(struct inode *inode, struct file *file)
 }
 
 struct file_operations lprocfs_stats_seq_fops = {
-        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,
@@ -586,7 +598,7 @@ 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)
@@ -600,12 +612,17 @@ 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);
@@ -617,8 +634,8 @@ int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, prep_async_page);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, queue_async_io);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, set_async_flags);
-        LPROCFS_OBD_OP_INIT(num_private_stats, stats, queue_sync_io);
-        LPROCFS_OBD_OP_INIT(num_private_stats, stats, trigger_sync_io);
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, queue_group_io);
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, trigger_group_io);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, teardown_async_page);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, punch);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, sync);
@@ -627,6 +644,8 @@ 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);
@@ -635,14 +654,15 @@ int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, san_preprw);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, init_export);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy_export);
-        LPROCFS_OBD_OP_INIT(num_private_stats, stats, lock_contains);
         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, invalidate_import);
+        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, 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
@@ -776,6 +796,119 @@ 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);
@@ -796,6 +929,7 @@ EXPORT_SYMBOL(lprocfs_rd_name);
 EXPORT_SYMBOL(lprocfs_rd_fstype);
 EXPORT_SYMBOL(lprocfs_rd_server_uuid);
 EXPORT_SYMBOL(lprocfs_rd_conn_uuid);
+EXPORT_SYMBOL(lprocfs_rd_num_exports);
 EXPORT_SYMBOL(lprocfs_rd_numrefs);
 
 EXPORT_SYMBOL(lprocfs_rd_blksize);
@@ -804,7 +938,6 @@ EXPORT_SYMBOL(lprocfs_rd_kbytesfree);
 EXPORT_SYMBOL(lprocfs_rd_kbytesavail);
 EXPORT_SYMBOL(lprocfs_rd_filestotal);
 EXPORT_SYMBOL(lprocfs_rd_filesfree);
-EXPORT_SYMBOL(lprocfs_rd_filegroups);
 
 EXPORT_SYMBOL(lprocfs_write_helper);
 EXPORT_SYMBOL(lprocfs_write_u64_helper);