X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fobdclass%2Flu_time.c;h=0da2c1c7cdeddcd684e40220a9b0aaca9dae7cbe;hb=da63bbc723dacac308ab9351d0537a521c7ef3c3;hp=3883c779b6935ac5e765ec8a4b5c62be1a716d9f;hpb=98a2ab6915c16fd8745437bfed71889588880e12;p=fs%2Flustre-release.git

diff --git a/lustre/obdclass/lu_time.c b/lustre/obdclass/lu_time.c
index 3883c77..0da2c1c 100644
--- a/lustre/obdclass/lu_time.c
+++ b/lustre/obdclass/lu_time.c
@@ -1,31 +1,45 @@
 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
  * vim:expandtab:shiftwidth=8:tabstop=8:
  *
- * Lustre Time Tracking.
+ * GPL HEADER START
  *
- *  Copyright (C) 2006 Cluster File Systems, Inc.
- *   Author: Nikita Danilov <nikita@clusterfs.com>
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
- *   This file is part of the Lustre file system, http://www.lustre.org
- *   Lustre is a trademark of Cluster File Systems, Inc.
+ * 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.
  *
- *   You may have signed or agreed to another license before downloading
- *   this software.  If so, you are bound by the terms and conditions
- *   of that agreement, and the following does not apply to you.  See the
- *   LICENSE file included with this distribution for more information.
+ * 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).
  *
- *   If you did not agree to a different license, then this copy of Lustre
- *   is open source software; you can redistribute it and/or modify it
- *   under the terms of version 2 of the GNU General Public License as
- *   published by the Free Software Foundation.
+ * 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
  *
- *   In either case, Lustre 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
- *   license text for more details.
+ * 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 (c) 2007, 2010, Oracle and/or its affiliates. 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/obdclass/lu_time.c
+ *
+ * Lustre Time Tracking.
  * These are the only exported functions, they provide some generic
- * infrastructure for managing object devices
+ * infrastructure for managing object devices.
+ *
+ * Author: Nikita Danilov <nikita@clusterfs.com>
  */
 
 #define DEBUG_SUBSYSTEM S_CLASS
@@ -33,6 +47,7 @@
 # define EXPORT_SYMTAB
 #endif
 
+#include <obd_class.h>
 /* OBD_{ALLOC,FREE}_PTR() */
 #include <obd_support.h>
 #include <lprocfs_status.h>
@@ -48,6 +63,7 @@ struct lu_time_data {
         unsigned long long ltd_timestamp[LU_TIME_DEPTH_MAX];
 };
 
+/* context key constructor/destructor: lu_time_key_init, lu_time_key_fini */
 LU_KEY_INIT_FINI(lu_time, struct lu_time_data);
 
 void lu_time_key_exit(const struct lu_context *ctx,
@@ -115,7 +131,7 @@ EXPORT_SYMBOL(lu_time_named_init);
 int lu_time_init(struct lprocfs_stats **stats, cfs_proc_dir_entry_t *entry,
                  const char **names, int nr)
 {
-        return lu_time_named_init(stats, "stats", entry, names, nr);
+        return lu_time_named_init(stats, "lu_stats", entry, names, nr);
 }
 EXPORT_SYMBOL(lu_time_init);
 
@@ -145,13 +161,12 @@ unsigned long long lu_time_stamp_get(void)
         /*
          * Return timestamp with microsecond precision. This has to be cheap.
          */
-//#ifdef CONFIG_X86 
+//#ifdef CONFIG_X86
 #if defined(CONFIG_X86) && !defined(CONFIG_X86_64)
 	/*
 	 * do_gettimeofday() goes backwards sometimes :(.  Usethe TSC
 	 */
 	unsigned long long ret;
-	extern unsigned long cpu_khz;
 
 	rdtscll(ret);
 	do_div(ret, cpu_khz / 1000);
@@ -160,7 +175,7 @@ unsigned long long lu_time_stamp_get(void)
 	struct timeval now;
 	unsigned long long ret;
 
-	do_gettimeofday(&now);
+	cfs_gettimeofday(&now);
 	ret = now.tv_sec;
 	ret *= 1000000;
 	ret += now.tv_usec;