1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/cmm/cmm_lproc.c
40 * Author: Wang Di <wangdi@clusterfs.com>
41 * Author: Yury Umanets <umka@clusterfs.com>
44 # define EXPORT_SYMTAB
46 #define DEBUG_SUBSYSTEM S_MDS
48 #include <linux/module.h>
50 #include <obd_class.h>
51 #include <lustre_ver.h>
52 #include <obd_support.h>
53 #include <lprocfs_status.h>
56 #include <lustre/lustre_idl.h>
58 #include "cmm_internal.h"
63 static const char *cmm_counter_names[LPROC_CMM_NR] = {
64 [LPROC_CMM_SPLIT_CHECK] = "split_check",
65 [LPROC_CMM_SPLIT] = "split",
66 [LPROC_CMM_LOOKUP] = "lookup",
67 [LPROC_CMM_CREATE] = "create"
70 int cmm_procfs_init(struct cmm_device *cmm, const char *name)
72 struct lu_device *ld = &cmm->cmm_md_dev.md_lu_dev;
73 struct obd_type *type;
77 type = ld->ld_type->ldt_obd_type;
79 LASSERT(name != NULL);
80 LASSERT(type != NULL);
82 /* Find the type procroot and add the proc entry for this device. */
83 cmm->cmm_proc_entry = lprocfs_register(name, type->typ_procroot,
85 if (IS_ERR(cmm->cmm_proc_entry)) {
86 rc = PTR_ERR(cmm->cmm_proc_entry);
87 CERROR("Error %d setting up lprocfs for %s\n",
89 cmm->cmm_proc_entry = NULL;
93 rc = lu_time_init(&cmm->cmm_stats,
95 cmm_counter_names, ARRAY_SIZE(cmm_counter_names));
100 cmm_procfs_fini(cmm);
104 int cmm_procfs_fini(struct cmm_device *cmm)
107 lu_time_fini(&cmm->cmm_stats);
109 if (cmm->cmm_proc_entry) {
110 lprocfs_remove(&cmm->cmm_proc_entry);
111 cmm->cmm_proc_entry = NULL;
116 void cmm_lprocfs_time_start(const struct lu_env *env)
118 lu_lprocfs_time_start(env);
121 void cmm_lprocfs_time_end(const struct lu_env *env, struct cmm_device *cmm,
124 lu_lprocfs_time_end(env, cmm->cmm_stats, idx);