From e5b99917036fc0420672abc26a28586e6157e101 Mon Sep 17 00:00:00 2001
From: grev <grev>
Date: Wed, 25 Feb 2009 16:52:48 +0000
Subject: [PATCH] b=18468 o=Adilger i=Oleg.Drokin i=grev make racer harder

---
 lustre/tests/racer/dir_create.sh   |  2 +-
 lustre/tests/racer/file_concat.sh  |  4 ++--
 lustre/tests/racer/file_create.sh  |  4 ++--
 lustre/tests/racer/file_link.sh    |  4 ++--
 lustre/tests/racer/file_rename.sh  |  4 ++--
 lustre/tests/racer/file_rm.sh      |  2 +-
 lustre/tests/racer/file_symlink.sh |  4 ++--
 lustre/tests/racer/racer.sh        | 36 +++++++++++++++---------------------
 8 files changed, 27 insertions(+), 33 deletions(-)

diff --git a/lustre/tests/racer/dir_create.sh b/lustre/tests/racer/dir_create.sh
index 80fbbe1..a280e0a 100755
--- a/lustre/tests/racer/dir_create.sh
+++ b/lustre/tests/racer/dir_create.sh
@@ -8,7 +8,7 @@ create(){
 }
 
 while /bin/true ; do 
-    file=$(($RANDOM%$MAX))
+    file=$((RANDOM % MAX))
     mkdir -p $DIR/$file/$file/ 2> /dev/null
     create 2> /dev/null
 done
diff --git a/lustre/tests/racer/file_concat.sh b/lustre/tests/racer/file_concat.sh
index 38181ad..8dde304 100755
--- a/lustre/tests/racer/file_concat.sh
+++ b/lustre/tests/racer/file_concat.sh
@@ -10,7 +10,7 @@ concat(){
 }
 
 while /bin/true ; do 
-    file=$(($RANDOM%$MAX))
-    new_file=$(($RANDOM%$MAX))
+    file=$((RANDOM % MAX))
+    new_file=$((RANDOM % MAX))
     concat 2> /dev/null
 done
diff --git a/lustre/tests/racer/file_create.sh b/lustre/tests/racer/file_create.sh
index d94502c..70ba0fd 100755
--- a/lustre/tests/racer/file_create.sh
+++ b/lustre/tests/racer/file_create.sh
@@ -5,13 +5,13 @@ MAX=$2
 MAX_MB=256
 
 create() {
-    SIZE=$(($RANDOM*MAX_MB/32))
+    SIZE=$((RANDOM * MAX_MB / 32))
     echo "file_create: SIZE=$SIZE"
     dd if=/dev/zero of=$DIR/$file bs=1k count=$SIZE
 }
 
 while /bin/true ; do 
-    file=$(($RANDOM%$MAX))
+    file=$((RANDOM % MAX))
     create 2> /dev/null
 done
 
diff --git a/lustre/tests/racer/file_link.sh b/lustre/tests/racer/file_link.sh
index 5c1cac7..aaf498d 100755
--- a/lustre/tests/racer/file_link.sh
+++ b/lustre/tests/racer/file_link.sh
@@ -4,7 +4,7 @@ DIR=$1
 MAX=$2
 
 while /bin/true ; do 
-    file=$(($RANDOM%$MAX))
-    new_file=$((($file + 1)%$MAX))
+    file=$((RANDOM % $MAX))
+    new_file=$((RANDOM % MAX))
     ln $file $DIR/$new_file 2> /dev/null
 done
diff --git a/lustre/tests/racer/file_rename.sh b/lustre/tests/racer/file_rename.sh
index 9552102..a4ef5b8 100755
--- a/lustre/tests/racer/file_rename.sh
+++ b/lustre/tests/racer/file_rename.sh
@@ -4,7 +4,7 @@ DIR=$1
 MAX=$2
 
 while /bin/true ; do 
-    file=$(($RANDOM%$MAX))
-    new_file=$((($file + 1)%$MAX))
+    file=$((RANDOM % MAX))
+    new_file=$((RANDOM % MAX))
     mv $DIR/$file $DIR/$new_file 2> /dev/null
 done
diff --git a/lustre/tests/racer/file_rm.sh b/lustre/tests/racer/file_rm.sh
index 41d3d62..20d5226 100755
--- a/lustre/tests/racer/file_rm.sh
+++ b/lustre/tests/racer/file_rm.sh
@@ -4,7 +4,7 @@ DIR=$1
 MAX=$2
 
 while /bin/true ; do 
-    file=$(($RANDOM%$MAX))
+    file=$((RANDOM % MAX))
     rm -rf $DIR/$file 2> /dev/null
     sleep 1
 done
diff --git a/lustre/tests/racer/file_symlink.sh b/lustre/tests/racer/file_symlink.sh
index 44771a5..187b026 100755
--- a/lustre/tests/racer/file_symlink.sh
+++ b/lustre/tests/racer/file_symlink.sh
@@ -4,8 +4,8 @@ DIR=$1
 MAX=$2
 
 while /bin/true ; do 
-    file=$(($RANDOM%$MAX))
-    new_file=$((($file + 1)%$MAX))
+    file=$((RANDOM % MAX))
+    new_file=$((RANDOM % MAX))
     ln -s $file $DIR/$new_file 2> /dev/null
     ln -s $file/$file/$file $DIR/$new_file 2> /dev/null
 done
diff --git a/lustre/tests/racer/racer.sh b/lustre/tests/racer/racer.sh
index 645e349..1274d02 100755
--- a/lustre/tests/racer/racer.sh
+++ b/lustre/tests/racer/racer.sh
@@ -10,40 +10,34 @@ NUM_THREADS=${NUM_THREADS:-3}
 
 mkdir -p $DIR
 
+RACER_PROGS="file_create dir_create file_rm file_rename file_link file_symlink
+file_list file_concat"
+
 racer_cleanup()
 {
-    killall file_create.sh 
-    killall dir_create.sh
-    killall file_rm.sh 
-    killall file_rename.sh 
-    killall file_link.sh 
-    killall file_symlink.sh 
-    killall file_list.sh 
-    killall file_concat.sh
-    trap 0
+	for P in $RACER_PROGS; do
+		killall $P.sh
+	done
+	trap 0
 }
 
 echo "Running $0 for $DURATION seconds. CTRL-C to exit"
 trap "
-    echo \"Cleaning up\" 
-    racer_cleanup
-    exit 0
+	echo \"Cleaning up\" 
+	racer_cleanup
+	exit 0
 " 2 15
 
 cd `dirname $0`
 for N in `seq 1 $NUM_THREADS`; do
-	./file_create.sh $DIR $MAX_FILES &
-	./dir_create.sh $DIR $MAX_FILES &
-	./file_rename.sh $DIR $MAX_FILES &
-	./file_link.sh $DIR $MAX_FILES &
-	./file_symlink.sh $DIR $MAX_FILES &
-	./file_concat.sh $DIR $MAX_FILES &
-	./file_list.sh $DIR &
-	./file_rm.sh $DIR $MAX_FILES &
+	for P in $RACER_PROGS; do
+		./$P.sh $DIR $MAX_FILES &
+	done
 done
 
-sleep $DURATION;
+sleep $DURATION
 racer_cleanup
+
 # Check our to see whether our test DIR is still available.
 df $DIR
 RC=$?
-- 
1.8.3.1