Whamcloud - gitweb
- add missing file
authoralex <alex>
Tue, 13 Oct 2009 16:39:17 +0000 (16:39 +0000)
committeralex <alex>
Tue, 13 Oct 2009 16:39:17 +0000 (16:39 +0000)
lustre/dmu-osd/osd_lproc.c [new file with mode: 0644]

diff --git a/lustre/dmu-osd/osd_lproc.c b/lustre/dmu-osd/osd_lproc.c
new file mode 100644 (file)
index 0000000..2643a9b
--- /dev/null
@@ -0,0 +1,256 @@
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/osd/osd_lproc.c
+ *
+ * Author: Mikhail Pershin <tappro@sun.com>
+ * Author: Alex Zhuravlev <bzzz@sun.com>
+ */
+
+#define DEBUG_SUBSYSTEM S_CLASS
+
+#include <obd.h>
+#include <lprocfs_status.h>
+#include <lu_time.h>
+
+#include <lustre/lustre_idl.h>
+
+#include "udmu.h"
+#include "osd_internal.h"
+
+#ifdef LPROCFS
+enum {
+        LPROC_OSD_NR
+};
+
+static const char *osd_counter_names[LPROC_OSD_NR] = {
+};
+
+int osd_procfs_init(struct osd_device *osd, const char *name)
+{
+        struct lprocfs_static_vars lvars;
+        struct lu_device    *ld = &osd->od_dt_dev.dd_lu_dev;
+        struct obd_type     *type;
+        int                  rc;
+        ENTRY;
+
+        type = ld->ld_type->ldt_obd_type;
+
+        LASSERT(name != NULL);
+        LASSERT(type != NULL);
+
+        /* Find the type procroot and add the proc entry for this device */
+        lprocfs_osd_init_vars(&lvars);
+        osd->od_proc_entry = lprocfs_register(name, type->typ_procroot,
+                                              lvars.obd_vars, osd);
+        if (IS_ERR(osd->od_proc_entry)) {
+                rc = PTR_ERR(osd->od_proc_entry);
+                CERROR("Error %d setting up lprocfs for %s\n", rc, name);
+                osd->od_proc_entry = NULL;
+                GOTO(out, rc);
+        }
+
+        rc = lu_time_init(&osd->od_stats,
+                          osd->od_proc_entry,
+                          osd_counter_names, ARRAY_SIZE(osd_counter_names));
+        EXIT;
+out:
+        if (rc)
+               osd_procfs_fini(osd);
+       return rc;
+}
+
+int osd_procfs_fini(struct osd_device *osd)
+{
+        if (osd->od_stats) {
+                lu_time_fini(&osd->od_stats);
+                osd->od_stats = NULL;
+        }
+
+        if (osd->od_proc_entry) {
+                lprocfs_remove(&osd->od_proc_entry);
+                osd->od_proc_entry = NULL;
+        }
+
+        return 0;
+}
+
+void osd_lprocfs_time_start(const struct lu_env *env)
+{
+        lu_lprocfs_time_start(env);
+}
+
+void osd_lprocfs_time_end(const struct lu_env *env, struct osd_device *osd,
+                          int idx)
+{
+        lu_lprocfs_time_end(env, osd->od_stats, idx);
+}
+
+
+
+int lprocfs_osd_rd_blksize(char *page, char **start, off_t off, int count,
+                           int *eof, void *data)
+{
+        struct osd_device *osd = data;
+        int rc = osd_statfs(NULL, &osd->od_dt_dev, &osd->od_kstatfs);
+        if (!rc) {
+                *eof = 1;
+                rc = snprintf(page, count, "%ld\n", osd->od_kstatfs.f_bsize);
+        }
+        return rc;
+}
+
+int lprocfs_osd_rd_kbytestotal(char *page, char **start, off_t off, int count,
+                               int *eof, void *data)
+{
+        struct osd_device *osd = data;
+        int rc = osd_statfs(NULL, &osd->od_dt_dev, &osd->od_kstatfs);
+        if (!rc) {
+                __u32 blk_size = osd->od_kstatfs.f_bsize >> 10;
+                __u64 result = osd->od_kstatfs.f_blocks;
+
+                while (blk_size >>= 1)
+                        result <<= 1;
+
+                *eof = 1;
+                rc = snprintf(page, count, LPU64"\n", result);
+        }
+        return rc;
+}
+
+int lprocfs_osd_rd_kbytesfree(char *page, char **start, off_t off, int count,
+                              int *eof, void *data)
+{
+        struct osd_device *osd = data;
+        int rc = osd_statfs(NULL, &osd->od_dt_dev, &osd->od_kstatfs);
+        if (!rc) {
+                __u32 blk_size = osd->od_kstatfs.f_bsize >> 10;
+                __u64 result = osd->od_kstatfs.f_bfree;
+
+                while (blk_size >>= 1)
+                        result <<= 1;
+
+                *eof = 1;
+                rc = snprintf(page, count, LPU64"\n", result);
+        }
+        return rc;
+}
+
+int lprocfs_osd_rd_kbytesavail(char *page, char **start, off_t off, int count,
+                               int *eof, void *data)
+{
+        struct osd_device *osd = data;
+        int rc = osd_statfs(NULL, &osd->od_dt_dev, &osd->od_kstatfs);
+        if (!rc) {
+                __u32 blk_size = osd->od_kstatfs.f_bsize >> 10;
+                __u64 result = osd->od_kstatfs.f_bavail;
+
+                while (blk_size >>= 1)
+                        result <<= 1;
+
+                *eof = 1;
+                rc = snprintf(page, count, LPU64"\n", result);
+        }
+        return rc;
+}
+
+int lprocfs_osd_rd_filestotal(char *page, char **start, off_t off, int count,
+                              int *eof, void *data)
+{
+        struct osd_device *osd = data;
+        int rc = osd_statfs(NULL, &osd->od_dt_dev, &osd->od_kstatfs);
+        if (!rc) {
+                *eof = 1;
+                rc = snprintf(page, count, LPU64"\n", osd->od_kstatfs.f_files);
+        }
+
+        return rc;
+}
+
+int lprocfs_osd_rd_filesfree(char *page, char **start, off_t off, int count,
+                             int *eof, void *data)
+{
+        struct osd_device *osd = data;
+        int rc = osd_statfs(NULL, &osd->od_dt_dev, &osd->od_kstatfs);
+        if (!rc) {
+                *eof = 1;
+                rc = snprintf(page, count, LPU64"\n", osd->od_kstatfs.f_ffree);
+        }
+        return rc;
+}
+
+int lprocfs_osd_rd_fstype(char *page, char **start, off_t off, int count,
+                          int *eof, void *data)
+{
+        struct obd_device *osd = data;
+
+        LASSERT(osd != NULL);
+        return snprintf(page, count, "zfs\n");
+}
+
+static int lprocfs_osd_rd_mntdev(char *page, char **start, off_t off, int count,
+                                 int *eof, void *data)
+{
+        struct osd_device *osd = data;
+
+        LASSERT(osd != NULL);
+        *eof = 1;
+
+        return snprintf(page, count, "%s\n", osd->od_objset.name);
+}
+
+struct lprocfs_vars lprocfs_osd_obd_vars[] = {
+        { "blocksize",       lprocfs_osd_rd_blksize,     0, 0 },
+        { "kbytestotal",     lprocfs_osd_rd_kbytestotal, 0, 0 },
+        { "kbytesfree",      lprocfs_osd_rd_kbytesfree,  0, 0 },
+        { "kbytesavail",     lprocfs_osd_rd_kbytesavail, 0, 0 },
+        { "filestotal",      lprocfs_osd_rd_filestotal,  0, 0 },
+        { "filesfree",       lprocfs_osd_rd_filesfree,   0, 0 },
+        { "fstype",          lprocfs_osd_rd_fstype,      0, 0 },
+        { "mntdev",          lprocfs_osd_rd_mntdev,      0, 0 },
+        { 0 }
+};
+
+struct lprocfs_vars lprocfs_osd_module_vars[] = {
+        { "num_refs",        lprocfs_rd_numrefs,     0, 0 },
+        { 0 }
+};
+
+void lprocfs_osd_init_vars(struct lprocfs_static_vars *lvars)
+{
+        lvars->module_vars = lprocfs_osd_module_vars;
+        lvars->obd_vars = lprocfs_osd_obd_vars;
+}
+#endif