b=19975

[fs/lustre-release.git] / lustre / utils / loadgen.c

diff --git a/lustre/utils/loadgen.c b/lustre/utils/loadgen.c
index 88c8b02..9670ad6 100644 (file)
--- a/lustre/utils/loadgen.c
+++ b/lustre/utils/loadgen.c
@@ -1,30 +1,46 @@
 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
  * vim:expandtab:shiftwidth=8:tabstop=8:
  *
- *   Copyright (C) 2006 Cluster File Systems, Inc.
- *   Author: Nathan Rutman <nathan@clusterfs.com>
+ * GPL HEADER START
  *
- *   This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
- *   Lustre is free 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.
+ * 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.
  *
- *   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
- *   GNU General Public License for more details.
+ * 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
- *   along with Lustre; if not, write to the Free Software
- *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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/utils/loadgen.c
  *
- * loadgen.c
  * See how many local OSCs we can start whaling on a OST
  * We're doing direct ioctls instead of going though a system() call to lctl
  * to avoid the bash overhead.
  * Adds an osc / echo client pair in each thread and starts echo transactions.
  *
+ * Author: Nathan Rutman <nathan@clusterfs.com>
  */
 
 #include <pthread.h>
@@ -42,7 +58,7 @@
 #include <sys/time.h>
 
 #include <lnet/lnetctl.h>
-#include "parser.h"
+#include <libcfs/libcfsutil.h>
 #include "obdctl.h"
 
 static char cmdname[512];
@@ -62,7 +78,7 @@ static int jt_quit(int argc, char **argv) {
 static int loadgen_usage(int argc, char **argv)
 {
         if (argc == 1) {
-                fprintf(stderr, 
+                fprintf(stderr,
         "This is a test program used to simulate large numbers of\n"
         "clients.  The echo obds are used, so the obdecho module must\n"
         "be loaded.\n"
@@ -651,7 +667,7 @@ static void *run_one_child(void *threadvp)
 {
         struct kid_t *kid;
         char oname[10], ename[10];
-        int thread = (long)threadvp, dev;
+        int thread = (long)threadvp, dev = 0;
         int rc = 0, err;
 
         if (o_verbose > 2)
@@ -852,7 +868,7 @@ static int loadgen_write(int argc, char **argv)
                         threads, live_threads);
                 return -EOVERFLOW;
         }
-        trigger(C_WRITE, threads, atoi(argv[2]), 
+        trigger(C_WRITE, threads, atoi(argv[2]),
                 (argc == 4) ? atoi(argv[3]) : 0);
         return 0;
 }
@@ -901,7 +917,7 @@ static int loadgen_start_echosrv(int argc, char **argv)
                         cmdname, rc);
                 goto clean;
         }
-  
+
         /* Create an OSS to handle the communications */
         /* attach ost OSS OSS_UUID */
         args[1] = "ost";
@@ -940,7 +956,7 @@ clean:
 
 static int loadgen_wait(int argc, char **argv)
 {
-        /* Give scripts a chance to start some threads */   
+        /* Give scripts a chance to start some threads */
         sleep(1);
         while (!all_done) {
                 sleep(1);
@@ -950,7 +966,7 @@ static int loadgen_wait(int argc, char **argv)
 
 static int loadgen_init(int argc, char **argv)
 {
-        char *args[3];
+        char *args[4];
         int rc;
 
         sprintf(cmdname, "%s", argv[0]);
@@ -980,7 +996,7 @@ static int loadgen_init(int argc, char **argv)
 static int loadgen_exit()
 {
         int rc;
-        
+
         printf("stopping %d children\n", live_threads);
         kill_kids();
         rc = wait_for_threads();
@@ -1022,7 +1038,7 @@ static int loadgen_main(int argc, char **argv)
 
 out:
         obd_finalize(argc, argv);
-        return rc;
+        return rc < 0 ? -rc : rc;
 }
 
 #ifndef LIBLUSTRE_TEST
@@ -1035,4 +1051,3 @@ int main (int argc, char **argv)
         return rc;
 }
 #endif
-