rcutorture: Don't create results directory for dryruns

This commit prevents the results directory from being created for
dryruns.  However, a script generated from a dryrun will create
the results directory should it be run.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org

diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index cde25d8546dad9e4f11bd1b650b5e1e83e3110fd..521f9e01074de78c217a3825aae9dcfd374b9102 100644 (file)
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -175,31 +175,29 @@ fi
 if test -z "$resdir"
 then
        resdir=$KVM/res
-       if ! test -e $resdir
-       then
-               mkdir $resdir || :
-       fi
-else
+fi
+
+if test "$dryrun" = ""
+then
        if ! test -e $resdir
        then
                mkdir -p "$resdir" || :
        fi
-fi
-mkdir $resdir/$ds
-if test "$dryrun" = ""
-then
+       mkdir $resdir/$ds
+
        # Be noisy only if running the script.
        echo Results directory: $resdir/$ds
        echo $scriptname $args
-fi
-touch $resdir/$ds/log
-echo $scriptname $args >> $resdir/$ds/log
 
-pwd > $resdir/$ds/testid.txt
-if test -d .git
-then
-       git status >> $resdir/$ds/testid.txt
-       git rev-parse HEAD >> $resdir/$ds/testid.txt
+       touch $resdir/$ds/log
+       echo $scriptname $args >> $resdir/$ds/log
+
+       pwd > $resdir/$ds/testid.txt
+       if test -d .git
+       then
+               git status >> $resdir/$ds/testid.txt
+               git rev-parse HEAD >> $resdir/$ds/testid.txt
+       fi
 fi
 
 # Create a file of test-name/#cpus pairs, sorted by decreasing #cpus.
@@ -371,6 +369,8 @@ then
        echo RCU_QEMU_CMD="$RCU_QEMU_CMD; export RCU_QEMU_CMD"
        echo RCU_QEMU_INTERACTIVE="$RCU_QEMU_INTERACTIVE; export RCU_QEMU_INTERACTIVE"
        echo RCU_QEMU_MAC="$RCU_QEMU_MAC; export RCU_QEMU_MAC"
+       echo "mkdir -p "$resdir" || :"
+       echo "mkdir $resdir/$ds"
        cat $T/script
        exit 0
 elif test "$dryrun" = sched